Journal articles: 'Marine invertebrates'

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Rainbow, Philip S. "Trace Metal Accumulation in Marine Invertebrates: Marine Biology or Marine Chemistry?" Journal of the Marine Biological Association of the United Kingdom 77, no. 1 (February 1997): 195–210. http://dx.doi.org/10.1017/s0025315400033877.

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Trace metals are accumulated by marine invertebrates to body concentrations higher, in many cases orders of magnitude higher, than the concentrations in an equivalent weight of the surrounding sea-water (Eisler, 1981; Rainbow, 1990; Phillips & Rainbow, 1993). Specific details of trace metal accumulation processes vary within the same invertebrate species between metals, and for the same trace metal between invertebrates, often between closely related species (Rainbow, 1990, 1993). This short review attempts to highlight some of the comparative aspects of the processes involved that are expected and explicable in terms of the chemistry of the respective elements, and those where the physiology of the species involved intervenes to offset predictions from purely chemical principles. Although an appreciation of trace metal chemistry is crucial to an understanding of trace metal accumulation, idiosyncrasies in the biology of the invertebrate (at any taxon level) may intervene to bring about significant and unexpected comparative differences in metal accumulation patterns.

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Deidda, Irene, Roberta Russo, Rosa Bonaventura, Caterina Costa, Francesca Zito, and Nadia Lampiasi. "Neurotoxicity in Marine Invertebrates: An Update." Biology 10, no. 2 (February 18, 2021): 161. http://dx.doi.org/10.3390/biology10020161.

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Invertebrates represent about 95% of existing species, and most of them belong to aquatic ecosystems. Marine invertebrates are found at intermediate levels of the food chain and, therefore, they play a central role in the biodiversity of ecosystems. Furthermore, these organisms have a short life cycle, easy laboratory manipulation, and high sensitivity to marine pollution and, therefore, they are considered to be optimal bioindicators for assessing detrimental chemical agents that are related to the marine environment and with potential toxicity to human health, including neurotoxicity. In general, albeit simple, the nervous system of marine invertebrates is composed of neuronal and glial cells, and it exhibits biochemical and functional similarities with the vertebrate nervous system, including humans. In recent decades, new genetic and transcriptomic technologies have made the identification of many neural genes and transcription factors homologous to those in humans possible. Neuroinflammation, oxidative stress, and altered levels of neurotransmitters are some of the aspects of neurotoxic effects that can also occur in marine invertebrate organisms. The purpose of this review is to provide an overview of major marine pollutants, such as heavy metals, pesticides, and micro and nano-plastics, with a focus on their neurotoxic effects in marine invertebrate organisms. This review could be a stimulus to bio-research towards the use of invertebrate model systems other than traditional, ethically questionable, time-consuming, and highly expensive mammalian models.

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Voultsiadou, Eleni, and Dimitris Vafidis. "Marine invertebrate diversity in Aristotle’s zoology." Contributions to Zoology 76, no. 2 (2007): 103–20. http://dx.doi.org/10.1163/18759866-07602004.

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The aim of this paper is to bring to light Aristotle’s knowledge of marine invertebrate diversity as this has been recorded in his works 25 centuries ago, and set it against current knowledge. The analysis of information derived from a thorough study of his zoological writings revealed 866 records related to animals currently classified as marine invertebrates. These records corresponded to 94 different animal names or descriptive phrases which were assigned to 85 current marine invertebrate taxa, mostly (58%) at the species level. A detailed, annotated catalogue of all marine anhaima (a = without, haima = blood) appearing in Aristotle’s zoological works was constructed and several older confusions were clarified. Some of Aristotle’s “genera” were found to be directly correlated to current invertebrate higher taxa. Almost the total of the marine anhaima were benthic invertebrates. The great philosopher had a remarkable, well-balanced scientific knowledge of the diversity of the various invertebrate groups, very similar to that acquired by modern marine biologists in the same area of study. The results of the present study should be considered as a necessary starting point for a further analysis of Aristotle’s priceless contribution to the marine environment and its organisms.

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Tuaputty, Hasan, Ine Arini, and Louvenska Latupeirissa. "Understanding the concept of diversity, abundance, and distribution of marine invertebrates through practicum students of the Biology Education, Pattimura University." BIOEDUPAT: Pattimura Journal of Biology and Learning 3, no. 2 (October 31, 2023): 106–17. http://dx.doi.org/10.30598/bioedupat.v3.i2.pp106-117.

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The application of marine biology courses cannot be separated from field practicum activities which are integrated with the main scientific pattern of Pattimura University, namely build nobleh marine, meaning that the marine biology lecture process is a goal of developing human resources. One of the competencies of marine biology courses which emphasizes is that students must understand the life of various types of marine invertebrates that live in each coastal water ecosystem and must also master how to observe and research various types of marine invertebrate life found in each zone of coast (intertidal zone and subtidal). The results of the findings of various types of marine invertebrates were carried out by diversity analysis, the results were 2.0 <H'=2.363836 ≤ 3.0, meaning the level of diversity was medium. The relative density of invertebrates on various substrates includes sand 25%, density on sandy gravel substrates 9.9%, muddy substrates 11.4%, coral substrates 15%. The distribution patterns of various types of invertebrates can also be explained according to the results of analyzes including (1) clustered distribution patterns occur in Crustacea (Emita sp, Harpiosquilla raphidae, Ocypoda cursor), Gastropoda (Nerita polita, Conus sponalis), Bivalvia (Venerupis corrugate), (2) The distribution pattern is uniformly occurs in invertebrates of Bivalvia (Anadara broughtonii, Mytilus trossulus, Tridacna rosewateri, Pinctada radiate), (Diadema setosum, Holothuria scabra), Gasropoda (Strombus decorus). Proving the truth of the concept or theory of various types of invertebrates in biology courses the truth of the sea has been tested through field practicums in the coastal waters of Salahutu District, Ambon Island

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Zavacki, Emily M., Nathalie B. Reyns, Jeffrey A. Crooks, and Michel A. Boudrias. "The influence of biogenic habitat created by the non-indigenous bryozoan, Amathia verticillata, on the resident marine invertebrate community in San Diego, California." Aquatic Invasions 20, no. 1 (April 15, 2025): 11–32. https://doi.org/10.3391/ai.2025.20.1.134650.

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The non-indigenous bryozoan, Amathia verticillata, has a worldwide distribution and commonly colonizes anthropogenic structures such as docks. Although widely recognized to house marine invertebrates within its structure, little is known regarding how the biogenic material produced by A. verticillata influences the marine community dynamics. The purpose of this study was to document the temporal patterns of A. verticillata and their associated marine invertebrate community in an urbanized estuary, Mission Bay, San Diego, CA, USA. We quantified A. verticillata percent cover and the abiotic conditions between July 2021–2022. The percent cover of A. verticillata varied temporally with temperature, with highest percent cover on docksides when temperatures were warmest. We also collected A. verticillata colonies of varying morphology and size to determine if abundance, density, and diversity of the marine invertebrate community associated with A. verticillata was influenced by its biogenic material and structural complexity. All invertebrates were identified to the lowest taxonomic level possible. We identified 20 families, 19 genera, and 12 organisms to species, representing 2 non-indigenous species (NIS), 2 likely NIS, 3 cryptogenic, and 5 native species. The most abundant taxonomic groups were marine amphipods, isopods, tanaids, and polychaetes. Furthermore, we identified juvenile stages and females with eggs living within A. verticillata. The invertebrate community varied significantly by A. verticillata morphotype and structural complexity. In general, there was greater invertebrate diversity in the elongated versus compact morphotype, and the invertebrate counts and diversity increased with structural complexity. Collectively, our results suggest that A. verticillata functions as a habitat-producing ecosystem engineer that may be providing an important nursery habitat for diverse groups of marine invertebrates, including other NIS, on anthropogenic structures.

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Zavacki, Emily M., Nathalie B. Reyns, Jeffrey A. Crooks, and Michel A. Boudrias. "The influence of biogenic habitat created by the non-indigenous bryozoan, Amathia verticillata, on the resident marine invertebrate community in San Diego, California." Aquatic Invasions 20, no. (1) (April 15, 2025): 11–32. https://doi.org/10.3391/ai.2025.20.1.134650.

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The non-indigenous bryozoan, Amathia verticillata, has a worldwide distribution and commonly colonizes anthropogenic structures such as docks. Although widely recognized to house marine invertebrates within its structure, little is known regarding how the biogenic material produced by A. verticillata influences the marine community dynamics. The purpose of this study was to document the temporal patterns of A. verticillata and their associated marine invertebrate community in an urbanized estuary, Mission Bay, San Diego, CA, USA. We quantified A. verticillata percent cover and the abiotic conditions between July 2021–2022. The percent cover of A. verticillata varied temporally with temperature, with highest percent cover on docksides when temperatures were warmest. We also collected A. verticillata colonies of varying morphology and size to determine if abundance, density, and diversity of the marine invertebrate community associated with A. verticillata was influenced by its biogenic material and structural complexity. All invertebrates were identified to the lowest taxonomic level possible. We identified 20 families, 19 genera, and 12 organisms to species, representing 2 non-indigenous species (NIS), 2 likely NIS, 3 cryptogenic, and 5 native species. The most abundant taxonomic groups were marine amphipods, isopods, tanaids, and polychaetes. Furthermore, we identified juvenile stages and females with eggs living within A. verticillata. The invertebrate community varied significantly by A. verticillata morphotype and structural complexity. In general, there was greater invertebrate diversity in the elongated versus compact morphotype, and the invertebrate counts and diversity increased with structural complexity. Collectively, our results suggest that A. verticillata functions as a habitat-producing ecosystem engineer that may be providing an important nursery habitat for diverse groups of marine invertebrates, including other NIS, on anthropogenic structures.

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Watson, Sue-Ann, Sjannie Lefevre, Mark I. McCormick, Paolo Domenici, Göran E. Nilsson, and Philip L. Munday. "Marine mollusc predator-escape behaviour altered by near-future carbon dioxide levels." Proceedings of the Royal Society B: Biological Sciences 281, no. 1774 (January 7, 2014): 20132377. http://dx.doi.org/10.1098/rspb.2013.2377.

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Ocean acidification poses a range of threats to marine invertebrates; however, the potential effects of rising carbon dioxide (CO 2 ) on marine invertebrate behaviour are largely unknown. Marine gastropod conch snails have a modified foot and operculum allowing them to leap backwards rapidly when faced with a predator, such as a venomous cone shell. Here, we show that projected near-future seawater CO 2 levels (961 µatm) impair this escape behaviour during a predator–prey interaction. Elevated-CO 2 halved the number of snails that jumped from the predator, increased their latency to jump and altered their escape trajectory. Physical ability to jump was not affected by elevated-CO 2 indicating instead that decision-making was impaired. Antipredator behaviour was fully restored by treatment with gabazine, a GABA antagonist of some invertebrate nervous systems, indicating potential interference of neurotransmitter receptor function by elevated-CO 2 , as previously observed in marine fishes. Altered behaviour of marine invertebrates at projected future CO 2 levels could have potentially far-reaching implications for marine ecosystems.

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Lopez, Jose V., Bishoy Kamel, Mónica Medina, Timothy Collins, and Iliana B. Baums. "Multiple Facets of Marine Invertebrate Conservation Genomics." Annual Review of Animal Biosciences 7, no. 1 (February 15, 2019): 473–97. http://dx.doi.org/10.1146/annurev-animal-020518-115034.

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Conservation genomics aims to preserve the viability of populations and the biodiversity of living organisms. Invertebrate organisms represent 95% of animal biodiversity; however, few genomic resources currently exist for the group. The subset of marine invertebrates includes the most ancient metazoan lineages and possesses codes for unique gene products and possible keys to adaptation. The benefits of supporting invertebrate conservation genomics research (e.g., likely discovery of novel genes, protein regulatory mechanisms, genomic innovations, and transposable elements) outweigh the various hurdles (rare, small, or polymorphic starting materials). Here we review best conservation genomics practices in the laboratory and in silico when applied to marine invertebrates and also showcase unique features in several case studies of acroporid corals, crown-of-thorns starfish, apple snails, and abalone. Marine conservation genomics should also address how diversity can lead to unique marine innovations, the impact of deleterious variation, and how genomic monitoring and profiling could positively affect broader conservation goals (e.g., value of baseline data for in situ/ex situ genomic stocks).

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9

Pascual Alonso, Isel, Laura Rivera Méndez, Mario E. Valdés-Tresanco, Lotfi Bounaadja, Marjorie Schmitt, Yarini Arrebola Sánchez, Luis Alvarez Lajonchere, Jean-Louis Charli, and Isabelle Florent. "Biochemical evidences for M1-, M17- and M18-like aminopeptidases in marine invertebrates from Cuban coastline." Zeitschrift für Naturforschung C 75, no. 11-12 (November 26, 2020): 397–407. http://dx.doi.org/10.1515/znc-2019-0169.

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AbstractMetallo-aminopeptidases (mAPs) control many physiological processes. They are classified in different families according to structural similarities. Neutral mAPs catalyze the cleavage of neutral amino acids from the N-terminus of proteins or peptide substrates; they need one or two metallic cofactors in their active site. Information about marine invertebrate’s neutral mAPs properties is scarce; available data are mainly derived from genomics and cDNA studies. The goal of this work was to characterize the biochemical properties of the neutral APs activities in eight Cuban marine invertebrate species from the Phyla Mollusca, Porifera, Echinodermata, and Cnidaria. Determination of substrate specificity, optimal pH and effects of inhibitors (1,10-phenanthroline, amastatin, and bestatin) and cobalt on activity led to the identification of distinct neutral AP-like activities, whose biochemical behaviors were similar to those of the M1 and M17 families of mAPs. Additionally, M18-like glutamyl AP activities were detected. Thus, marine invertebrates express biochemical activities likely belonging to various families of metallo-aminopeptidases.

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Lewbart, Gregory A., and Trevor T. Zachariah. "Aquatic and Terrestrial Invertebrate Welfare." Animals 13, no. 21 (October 31, 2023): 3375. http://dx.doi.org/10.3390/ani13213375.

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Invertebrates are a diverse group of animals that make up the majority of the animal kingdom and encompass a wide array of species with varying adaptations and characteristics. Invertebrates are found in nearly all of the world’s habitats, including aquatic, marine, and terrestrial environments. There are many misconceptions about invertebrate sentience, welfare requirements, the need for environmental enrichment, and overall care and husbandry for this amazing group of animals. This review addresses these topics and more for a select group of invertebrates with biomedical, economical, display, and human companionship importance.

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Melzner, Frank, Felix C. Mark, Brad A. Seibel, and Lars Tomanek. "Ocean Acidification and Coastal Marine Invertebrates: Tracking CO2 Effects from Seawater to the Cell." Annual Review of Marine Science 12, no. 1 (January 3, 2020): 499–523. http://dx.doi.org/10.1146/annurev-marine-010419-010658.

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In the last few decades, numerous studies have investigated the impacts of simulated ocean acidification on marine species and communities, particularly those inhabiting dynamic coastal systems. Despite these research efforts, there are many gaps in our understanding, particularly with respect to physiological mechanisms that lead to pathologies. In this review, we trace how carbonate system disturbances propagate from the coastal environment into marine invertebrates and highlight mechanistic links between these disturbances and organism function. We also point toward several processes related to basic invertebrate biology that are severely understudied and prevent an accurate understanding of how carbonate system dynamics influence organismic homeostasis and fitness-related traits. We recommend that significant research effort be directed to studying cellular phenotypes of invertebrates acclimated or adapted to elevated seawater pCO2 using biochemical and physiological methods.

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Radjasa, Ocky Karna, and Agus Sabdono. "MOLECULAR DIVERSITY OF SECONDARY METABOLITE-PRODUCING MARINE MICROORGANISMS ASSOCIATED WITH INDONESIAN REEF'S INVERTEBRATES." Marine Research in Indonesia 33, no. 2 (December 31, 2008): 121–28. http://dx.doi.org/10.14203/mri.v33i2.485.

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The metabolites from microorganisms are a rapidly growing field, due to the suspicion that a number of metabolites obtained from reef's invertebrates are produced by associated microorganisms. Less than 2% of microbial flora has been successfully isolated from marine environment. Coral reefs are the most diverse marine ecosystems, however, little is known about the microbial diversity in these ecosystems. It is expected that still quite a few parts of unexplored culturable invertebrate-associated microorganisms exists in the reef environments. The present study aimed at estimating the biodiversity of secondary metabolite-producing microbes associated with reef's invertebrates such as coral, soft coral and sponge collected from geographically different areas.

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CRONIN, THOMAS W. "Photoreception in Marine Invertebrates." American Zoologist 26, no. 2 (May 1986): 403–15. http://dx.doi.org/10.1093/icb/26.2.403.

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CARLTON, JAMES T. "Neoextinctions of Marine Invertebrates." American Zoologist 33, no. 6 (December 1993): 499–509. http://dx.doi.org/10.1093/icb/33.6.499.

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Kanazawa, Akio. "Sterols in marine invertebrates." Fisheries Science 67, no. 6 (December 2001): 997–1007. http://dx.doi.org/10.1046/j.1444-2906.2001.00354.x.

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Senthilkumar, Kalimuthu, and Se-Kwon Kim. "Marine Invertebrate Natural Products for Anti-Inflammatory and Chronic Diseases." Evidence-Based Complementary and Alternative Medicine 2013 (2013): 1–10. http://dx.doi.org/10.1155/2013/572859.

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The marine environment represents a relatively available source of functional ingredients that can be applied to various aspects of food processing, storage, and fortification. Moreover, numerous marine invertebrates based compounds have biological activities and also interfere with the pathogenesis of diseases. Isolated compounds from marine invertebrates have been shown to pharmacological activities and are helpful for the invention and discovery of bioactive compounds, primarily for deadly diseases like cancer, acquired immunodeficiency syndrome (AIDS), osteoporosis, and so forth. Extensive research within the last decade has revealed that most chronic illnesses such as cancer, neurological diseases, diabetes, and autoimmune diseases exhibit dysregulation of multiple cell signaling pathways that have been linked to inflammation. On the basis of their bioactive properties, this review focuses on the potential use of marine invertebrate derived compounds on anti-inflammatory and some chronic diseases such as cardiovascular disease, osteoporosis, diabetes, HIV, and cancer.

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Mardiana, Angela Mara, and Anggun Wulandari. "Invertebrate Diversity at Gunung Kidul Beach Yogyakarta as an Effort to Conserve Aquatic Ecosystems." AGARICUS: Advances Agriculture Science & Farming 2, no. 2 (November 9, 2022): 78–85. https://doi.org/10.32764/agaricus.v2i2.3038.

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Marine invertebrates are animals that do not have a spine, which live almost throughout the marine water area, but most species of marine invertebrates are numerous in coastal areas such as coral reef areas, This study aims to determine the type of invertebrates, diversity index, aquatic ecosystem conservation efforts. This research was conducted at Krakal Beach and Kukup Beach Gunung Kidul Yogyakarta. Data retrieval is carried out 2 times with a time differentiating system. The method used is a survey method with 3 stations on each beach, the total number of the two beaches is 6 stations. The results of the data collection of invertebrate types found were from the phylum Coelenterata, Arthropods, Mollusca, and Echinodermata. The diversity index on Krakal Beach in the morning is around 1.82 and at noon it is around 1.9 while at Kukup Beach in the morning it is around 1.72 and at noon it is around 1.71 so on both beaches it is still classified as a moderate diversity index, for ecosystem conservation efforts on both beaches are almost the same, namely by cleaning the beach, planting sea pandanus trees and sea cypress trees and establishing POKDARWIS security for the care of animals classified as almost extinct. Keywords: Aquatics, Ecosystems, Invertebrates, Conservation, Krakal and Kukup Beaches

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Izzati, Fauzia, Mega Ferdina Warsito, Asep Bayu, Anggia Prasetyoputri, Akhirta Atikana, Linda Sukmarini, Siti Irma Rahmawati, and Masteria Yunovilsa Putra. "Chemical Diversity and Biological Activity of Secondary Metabolites Isolated from Indonesian Marine Invertebrates." Molecules 26, no. 7 (March 27, 2021): 1898. http://dx.doi.org/10.3390/molecules26071898.

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Marine invertebrates have been reported to be an excellent resource of many novel bioactive compounds. Studies reported that Indonesia has remarkable yet underexplored marine natural products, with a high chemical diversity and a broad spectrum of biological activities. This review discusses recent updates on the exploration of marine natural products from Indonesian marine invertebrates (i.e., sponges, tunicates, and soft corals) throughout 2007–2020. This paper summarizes the structural diversity and biological function of the bioactive compounds isolated from Indonesian marine invertebrates as antimicrobial, antifungal, anticancer, and antiviral, while also presenting the opportunity for further investigation of novel compounds derived from Indonesian marine invertebrates.

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KELECOM, ALPHONSE. "Secondary metabolites from marine microorganisms." Anais da Academia Brasileira de Ciências 74, no. 1 (March 2002): 151–70. http://dx.doi.org/10.1590/s0001-37652002000100012.

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After 40 years of intensive research, chemistry of marine natural products has become a mature field. Since 1995, there are signals of decreased interest in the search of new metabolites from traditional sources such as macroalgae and octocorals, and the number of annual reports on marine sponges stabilized. On the contrary, metabolites from microorganisms is a rapidly growing field, due, at least in part, to the suspicion that a number of metabolites obtained from algae and invertebrates may be produced by associated microorganisms. Studies are concerned with bacteria and fungi, isolated from seawater, sediments, algae, fish and mainly from marine invertebrates such as sponges, mollusks, tunicates, coelenterates and crustaceans. Although it is still to early to define tendencies, it may be stated that the metabolites from microorganisms are in most cases quite different from those produced by the invertebrate hosts. Nitrogenated metabolites predominate over acetate derivatives, and terpenes are uncommon. Among the latter, sesquiterpenes, diterpenes and carotenes have been isolated; among nitrogenated metabolites, amides, cyclic peptides and indole alkaloids predominate.

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Montanaro, Jacqueline, Daniela Gruber, and Nikolaus Leisch. "Improved ultrastructure of marine invertebrates using non-toxic buffers." PeerJ 4 (March 31, 2016): e1860. http://dx.doi.org/10.7717/peerj.1860.

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Many marine biology studies depend on field work on ships or remote sampling locations where sophisticated sample preservation techniques (e.g., high-pressure freezing) are often limited or unavailable. Our aim was to optimize the ultrastructural preservation of marine invertebrates, especially when working in the field. To achieve chemically-fixed material of the highest quality, we compared the resulting ultrastructure of gill tissue of the musselMytilus eduliswhen fixed with differently buffered EM fixatives for marine specimens (seawater, cacodylate and phosphate buffer) and a new fixative formulation with the non-toxic PHEM buffer (PIPES, HEPES, EGTA and MgCl2). All buffers were adapted for immersion fixation to form an isotonic fixative in combination with 2.5% glutaraldehyde. We showed that PHEM buffer based fixatives resulted in equal or better ultrastructure preservation when directly compared to routine standard fixatives. These results were also reproducible when extending the PHEM buffered fixative to the fixation of additional different marine invertebrate species, which also displayed excellent ultrastructural detail. We highly recommend the usage of PHEM-buffered fixation for the fixation of marine invertebrates.

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Patry, Wyatt L., MacKenzie Bubel, Cypress Hansen, and Thomas Knowles. "Diffusion tubes: a method for the mass culture of ctenophores and other pelagic marine invertebrates." PeerJ 8 (April 7, 2020): e8938. http://dx.doi.org/10.7717/peerj.8938.

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The culture of pelagic marine invertebrates, especially the ctenophore Mnemiopsis leidyi, has been demonstrated in past studies dating back to the 1960s; however, the mass culture of delicate pelagic invertebrates has remained elusive. By using a pair of acrylic tubes and enabling water diffusion between them, we have been able to reliably and cost effectively mass culture several genera of ctenophores (Pleurobrachia, Hormiphora, Bolinopsis, Mnemiopsis and Leucothea), one species of siphonophore (Nanomia) and one species of larvacean (Oikopleura). The simple, compact method is effective enough to support two permanent exhibits of ctenophores at the Monterey Bay Aquarium while minimizing live food culture requirements with the potential to support further investigation of pelagic marine invertebrate ontogeny, ecology and genomics.

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Ding, Jingyun, Lingling Zhang, Jiangnan Sun, Dongtao Shi, Xiaomei Chi, Mingfang Yang, Yaqing Chang, and Chong Zhao. "Transgenerational effects of UV-B radiation on egg size, fertilization, hatching and larval size of sea urchins Strongylocentrotus intermedius." PeerJ 7 (August 26, 2019): e7598. http://dx.doi.org/10.7717/peerj.7598.

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Transgenerational effects are important for phenotypic plasticity and adaptation of marine invertebrates in the changing ocean. Ultraviolet-B (UV-B) radiation is an increasing threat to marine invertebrates. For the first time, we reported positive and negative transgenerational effects of UV-B radiation on egg size, fertilization, hatchability and larval size of a marine invertebrate. Strongylocentrotus intermedius exposed to UV-B radiation showed positive transgenerational effects and adaptation on egg size, hatching rate and post-oral arm length of larvae. Negative transgenerational effects were found in body length, stomach length and stomach width of larvae whose parents were exposed to UV-B radiation. Sires probably play important roles in transgenerational effects of UV-B. The present study provides valuable information into transgenerational effects of UV-B radiation on fitness related traits of sea urchins (at least Strongylocentrotus intermedius).

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JOHNSSON, RODRIGO, and ELIZABETH NEVES. "Siphonostomatoid copepods (Crustacea) associated with marine invertebrates and algae in Brazil: a review and future considerations." Zoosymposia 8, no. 1 (December 17, 2012): 69–80. http://dx.doi.org/10.11646/zoosymposia.8.1.10.

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In Brazil, knowledge on copepods of the order Siphonostomatoida dates back to the late 1800s, with the earliest record concerning parasitic copepods of fish. In contrast, the first record in Brazil of a copepod associated with an unknown marine invertebrate did not appear until 1988, with further studies on this copepod group occurring only during the last 15 years. The aim of this paper is to summarize the knowledge on the diversity of the siphonostome copepods, focusing on the associates of marine invertebrates, and to add new data on the distribution of known species and on the utilization of host species. Finally, an evaluation is carried out on the results and the effort expended during this period, and some objectives are proposed for improving the knowledge of the siphonostome copepods associated with marine invertebrates in Brazil.

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Jervis, Mark A. "A zoologist's perspective on Robert Hooke's Micrographia (1665) studies of marine and terrestrial invertebrates, and his contemplations on invertebrate "generation" and mutability." Journal of Natural History 48, no. 23-24 (February 25, 2014): 1375–411. https://doi.org/10.1080/00222933.2013.856492.

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Jervis, Mark A. (2014): A zoologist's perspective on Robert Hooke's Micrographia (1665) studies of marine and terrestrial invertebrates, and his contemplations on invertebrate "generation" and mutability. Journal of Natural History 48 (23-24): 1375-1411, DOI: 10.1080/00222933.2013.856492, URL: http://dx.doi.org/10.1080/00222933.2013.856492

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Morin, Antoine, and Nathalie Bourassa. "Modèles empiriques de la production annuelle et du rapport P/B d'invertébrés benthiques d'eau courante." Canadian Journal of Fisheries and Aquatic Sciences 49, no. 3 (March 1, 1992): 532–39. http://dx.doi.org/10.1139/f92-063.

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Published data on secondary production of running water invertebrates are analyzed by multiple regression to quantify the relationship between productivity (P, in grams dry mass per square metre per year) and biomass (B, in grams dry mass per square metre), mean individual mass (M, in grams dry mass), and annual mean water temperature (T, in degrees Celsius) to compare productivity of major taxonomic groups and to compare to invertebrate populations from other aquatic ecosystems. The equation P = 0.18 B1.01M−0.34 100.037T explains 87% of the variability in log P in the 291 lotic invertebrate populations analyzed. Significant differences were detected among major taxonomic groups, but these differences account for only about 4% of the variability in log P. Once the effect of biomass, mean individual mass and water temperature are taken into account, productivity of lake and stream invertebrate populations is quite similar, although productivity is a linear function of biomass in streams and not in lakes. Comparison of models for running waters, lake and marine ecosystems suggests that marine invertebrates are less productive than freshwater populations.

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Imbs, Andrey B., Ekaterina V. Ermolenko, Valeria P. Grigorchuk, Tatiana V. Sikorskaya, and Peter V. Velansky. "Current Progress in Lipidomics of Marine Invertebrates." Marine Drugs 19, no. 12 (November 25, 2021): 660. http://dx.doi.org/10.3390/md19120660.

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Marine invertebrates are a paraphyletic group that comprises more than 90% of all marine animal species. Lipids form the structural basis of cell membranes, are utilized as an energy reserve by all marine invertebrates, and are, therefore, considered important indicators of their ecology and biochemistry. The nutritional value of commercial invertebrates directly depends on their lipid composition. The lipid classes and fatty acids of marine invertebrates have been studied in detail, but data on their lipidomes (the profiles of all lipid molecules) remain very limited. To date, lipidomes or their parts are known only for a few species of mollusks, coral polyps, ascidians, jellyfish, sea anemones, sponges, sea stars, sea urchins, sea cucumbers, crabs, copepods, shrimp, and squid. This paper reviews various features of the lipid molecular species of these animals. The results of the application of the lipidomic approach in ecology, embryology, physiology, lipid biosynthesis, and in studies on the nutritional value of marine invertebrates are also discussed. The possible applications of lipidomics in the study of marine invertebrates are considered.

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Gan, Su Xuan, Ywee Chieh Tay, and Danwei Huang. "Effects of macroalgal morphology on marine epifaunal diversity." Journal of the Marine Biological Association of the United Kingdom 99, no. 8 (October 21, 2019): 1697–707. http://dx.doi.org/10.1017/s0025315419000900.

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AbstractMacroalgae play important ecological roles, including as hosts for a wide range of epifauna. However, the diversity relationships between macroalgae and epifauna are poorly understood for most tropical host species and algal morphologies. This study aims to characterize and analyse the diversity of invertebrates present amongst macroalgae with three distinct morphologies (three-dimensional, filamentous and foliose) across different tropical intertidal sites in Singapore. Morphological and DNA barcoding tools were employed for epifaunal species identification, and ordination statistics and multiple linear regression were used to test the effects of algal morphology, species and site on community structure and diversity of epiphytic invertebrates. Overall, epifaunal communities were distinct among sites and algal morphologies, and diversity was affected significantly by algal morphology. In particular, filamentous macroalgae hosted the highest abundance of epifauna dominated mainly by amphipods, which were able to take advantage of the high surface area to volume ratio in filamentous algal mats as a consequence of their thinner forms. Foliose species showed a significantly negative effect on invertebrate diversity. Our findings highlight the diverse associations between intertidal macroalgae and invertebrates with high turnover between algal morphology and sites that contribute to the high biodiversity of tropical shores. Future studies should consider the effects of the host habitat, seasonality and more algal species on epifaunal diversity.

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Pople, A., RD Simpson, and SC Cairns. "An incident of Southern Occean oil pollution: Effects of a spillage of diesel Fuel on the rocky shore of Macquarie Island (Sub-Antarctic)." Marine and Freshwater Research 41, no. 5 (1990): 603. http://dx.doi.org/10.1071/mf9900603.

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On 3 December 1987, the Australian resupply ship Nella Dan ran aground at Macquarie Island, releasing approximately 270 000 L of oil, mostly light marine diesel, into the sea. This represented one of the few spills to have occurred in southern hemisphere cold waters. Following the spill, thousands of marine invertebrates were washed up dead on beaches along 2 km of the shore. Twelve months after the spill, a study was conducted to examine the shore community in 5 zones at 2 oil- affected and 2 control locations. Three sites were examined within each of these locations. Densities of marine invertebrates appeared to have been markedly reduced in the lower littoral and sublittoral zones in the vicinity of the wreck. In the upper littoral zones, algal cover and invertebrate abundance were similar at oil-affected and control locations. The significance of the spill and its long-term effects are discussed.

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Istomina, Aleksandra, Victor Chelomin, Andrey Mazur, Avianna Zhukovskaya, Alexander Karpenko, and Marina Mazur. "Biodegradation of polyethylene in digestive gland homogenates of marine invertebrates." PeerJ 12 (February 26, 2024): e17041. http://dx.doi.org/10.7717/peerj.17041.

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Вiotic factors may be the driving force of plastic fragmentation along with abiotic factors. Since understanding the processes of biodegradation and biological depolymerization of plastic is important, a new methodological approach was proposed in this study to investigate the role of marine invertebrate digestive enzymes in plastic biodegradation. The aim of this study is to evaluate the possibility of enzymatic biodegradation of polyethylene fragments in the digestive gland homogenate of marine invertebrates differing in their feeding type (Strongylocentrotus nudus, Patiria pectinifera, Mizuhopecten yessoensis). Significant changes are found in the functional groups of the polymer after 3 days of incubation in the digestive gland homogenates of the studied marine invertebrates. A significant increase in the calculated CI (carbonyl index) and COI (сarbon-oxygen index) indices compared to the control sample was observed. The results suggest that digestive enzymes of studied organisms may play an important role in the biogeochemical cycling of plastic.

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MOK, JONG SOO, JI YOUNG KWON, KWANG TAE SON, WOO SEOK CHOI, SUNG RIM KANG, NA YOUNG HA, MI RA JO, and JI HOE KIM. "Contents and Risk Assessment of Heavy Metals in Marine Invertebrates from Korean Coastal Fish Markets." Journal of Food Protection 77, no. 6 (June 1, 2014): 1022–30. http://dx.doi.org/10.4315/0362-028x.jfp-13-485.

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The concentrations of the heavy metals cadmium (Cd), mercury (Hg), lead (Pb), chromium, silver, nickel, copper, and zinc in the edible portions of 105 marine invertebrates representing 16 mollusk and crustacean species were accurately determined to evaluate their hazard for human consumption. The samples were collected in 2011 from major fish markets on the coast of Korea and analyzed for Hg using a direct Hg analyzer and for other metals using inductively coupled plasma mass spectrometry. Estimated dietary exposure (EDE) was determined, and a risk assessment was made of the heavy metals to provide information concerning consumer safety. The Cd concentrations, which were the highest for the three hazardous metals (Cd, Hg, and Pb), were significantly higher (P &lt; 0.05) in the bivalves and crabs than in the gastropods and cephalopods. However, the concentrations of these metals in all samples were within the regulatory limits set by Korea and other countries. The EDE was compared with the provisional tolerable daily intake (PTDI) adopted by the Joint FAO/WHO Expert Committee on Food Additives or the U.S. Environmental Protection Agency. The EDE of Cd, Hg, and Pb for each class of marine invertebrate were 0.07 to 2.64, 0.01 to 0.43, and 0.001 to 0.16% of the PTDI, respectively. The total EDE of Cd, Hg, and Pb for marine invertebrates accounted for 4.03, 0.96, and 0.21%, respectively, of the PTDI. The EDE of other metals in each class of marine invertebrate was less than 2% of the PTDI. The hazard index is a reasonable parameter for assessing the risk of heavy metal consumption associated with contaminated food. In the present study, the hazard index for all of the species was less than 1.0, which indicates that the intake of heavy metals from consumption of these marine invertebrates does not represent an appreciable hazard to humans.

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Luparello, Claudio, Manuela Mauro, Vincenzo Arizza, and Mirella Vazzana. "Histone Deacetylase Inhibitors from Marine Invertebrates." Biology 9, no. 12 (November 28, 2020): 429. http://dx.doi.org/10.3390/biology9120429.

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Histone deacetylases (HDACs) are key components of the epigenetic machinery controlling gene expression. They are involved in chromatin remodeling events via post-translational histone modifications but may also act on nonhistone proteins, influencing many fundamental cellular processes. Due to the key involvement of HDACs in serious human pathologies, including cancer, HDAC inhibitors (HDACis) have received increased attention in recent years. It is known that marine invertebrates produce significant amounts of secondary metabolites showing active pharmacological properties and an extensive spectrum of biomedical applications. The aim of this review is to gather selected studies that report the extraction and identification of marine invertebrate-derived compounds that possess HDACi properties, grouping the producing species according to their taxonomic hierarchy. The molecular, biochemical, and/or physiological aspects, where available, and modes of action of these naturally occurring HDACis will be recapitulated, taking into consideration their possible utilization for the future design of analogs with increased bioavailability and efficacy, less toxicity, and, also, higher isoform selectivity.

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Sanford, Eric, and Morgan W. Kelly. "Local Adaptation in Marine Invertebrates." Annual Review of Marine Science 3, no. 1 (January 15, 2011): 509–35. http://dx.doi.org/10.1146/annurev-marine-120709-142756.

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Carlton, James T. "Marine Invertebrate Neoextinctions: An Update and Call for Inventories of Globally Missing Species." Diversity 15, no. 6 (June 16, 2023): 782. http://dx.doi.org/10.3390/d15060782.

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The register of global extinctions of marine invertebrates in historical time is updated. Three gastropod and one insect species are removed from the list of extinct marine species, while two gastropods, one echinoderm, and three parasites (a nematode, an amphipod, and a louse) are added. The nine extinct marine invertebrates now recognized likely represent a minute fraction of the actual number of invertebrates that have gone extinct. Urgently needed for evaluation are inventories of globally missing marine invertebrates across a wide range of phyla. Many such species are likely known to systematists, but are either rarely flagged, or if mentioned, are not presented as potentially extinct taxa.

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Siddik, A. A., A. A. Al-Sofyani, M. A. Ba-Akdah, and S. Satheesh. "Invertebrate recruitment on artificial substrates in the Red Sea: role of substrate type and orientation." Journal of the Marine Biological Association of the United Kingdom 99, no. 4 (October 26, 2018): 741–50. http://dx.doi.org/10.1017/s0025315418000887.

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AbstractSurface physical properties, hydrodynamics, biochemical cues, orientation and temporal scales play an important role in invertebrate larval recruitment on artificial substrates. In the present study, invertebrate recruitment on four different substrates (acrylic, stainless steel, ceramic and concrete panels) was investigated in two different orientations (vertical and horizontal) in the central Red Sea. Results showed significant variations in the abundance of benthic invertebrates between the different substrates. While barnacles and bivalves preferred panels placed in vertical positions, the abundance of bryozoans was high on horizontal panels. Artificial panel submersion season plays a significant role in the recruitment of benthic invertebrates on surfaces in the Red Sea. In conclusion, this study supports the overall notion that marine invertebrate recruitment on hard substrates is regulated by a combination of factors which include substrate type, orientation and submersion season.

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Guryanova, Svetlana V., Sergey V. Balandin, Oksana Yu Belogurova-Ovchinnikova, and Tatiana V. Ovchinnikova. "Marine Invertebrate Antimicrobial Peptides and Their Potential as Novel Peptide Antibiotics." Marine Drugs 21, no. 10 (September 23, 2023): 503. http://dx.doi.org/10.3390/md21100503.

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Marine invertebrates constantly interact with a wide range of microorganisms in their aquatic environment and possess an effective defense system that has enabled their existence for millions of years. Their lack of acquired immunity sets marine invertebrates apart from other marine animals. Invertebrates could rely on their innate immunity, providing the first line of defense, survival, and thriving. The innate immune system of marine invertebrates includes various biologically active compounds, and specifically, antimicrobial peptides. Nowadays, there is a revive of interest in these peptides due to the urgent need to discover novel drugs against antibiotic-resistant bacterial strains, a pressing global concern in modern healthcare. Modern technologies offer extensive possibilities for the development of innovative drugs based on these compounds, which can act against bacteria, fungi, protozoa, and viruses. This review focuses on structural peculiarities, biological functions, gene expression, biosynthesis, mechanisms of antimicrobial action, regulatory activities, and prospects for the therapeutic use of antimicrobial peptides derived from marine invertebrates.

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Matozzo, Valerio, Jacopo Fabrello, and Maria Gabriella Marin. "The Effects of Glyphosate and Its Commercial Formulations to Marine Invertebrates: A Review." Journal of Marine Science and Engineering 8, no. 6 (June 1, 2020): 399. http://dx.doi.org/10.3390/jmse8060399.

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Glyphosate is the active ingredient of numerous commercial formulations of herbicides applied in different sectors, from agriculture to aquaculture. Due to its widespread use around the world, relatively high concentrations of glyphosate have been detected in soil and aquatic environments. The presence of glyphosate in aquatic ecosystems has aroused the attention of researchers because of its potential negative effects on living organisms, both animals and plants. In this context, this review intends to summarize results of studies aimed at evaluating the effects of glyphosate (both as active ingredient and component of commercial formulations) on marine invertebrates. Generally, data obtained in acute toxicity tests indicate that glyphosate and its commercial formulations are lethal at high concentrations (not environmentally realistic), whereas results of long-lasting experiments indicate that glyphosate can markedly affect biological responses of marine invertebrates. Consequently, more efforts should be addressed at evaluating chronic or sub-chronic effects of such substances to marine invertebrate species.

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Trung, Dinh Thanh, Vo Thi Dieu Trang, Ngo Thi Duy Ngoc, Phan Thi Hoai Trinh, Tran Thi Hai Yen, and Le Dinh Hung. "HAEMAGGLUTINATION ACTIVITY OF THE EXTRACTS FROM SOME VIETNAM MARINE INVERTEBRATES." Vietnam Journal of Biotechnology 15, no. 4 (December 14, 2018): 691–701. http://dx.doi.org/10.15625/1811-4989/15/4/13412.

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Aqueous extracts from 21 species of Vietnam marine invertebrates, including 11 bivalve and 10 gastropod species, were examined for haemagglutination activity using native and enzyme-treated different animal and human erythrocytes. The 8 bivalve and 10 gastropod species were found to have haemagglutinination activities toward at least one type of erythrocyte tested. A total of 86% of marine invertebrate species surveyed were active. Strong activity was detected in extracts from two bivalve species (Tridacna squamosa and Geloina coaxans) and three gastropod species (Tutufa rubeta, Pleuroploca trapezium and Tectus conus) with enzyme-treated rabbit, horse and human A, B, O erythrocytes. In a haemagglutination–inhibition test with various monosaccharides and glycoproteins, haemagglutination activities of two extracts from T. rubeta and P. trapezium had no affinity for any of the monosaccharides and glycoproteins tested, while activities of the extracts from T. squamosa and T. conus were strongly inhibited by porcine stomach mucin tested, suggesting the presence of lectins specific for O-glycans of these species. The activities of four marine invertebrate extracts were stable over a wide range ofpH and temperature. The haemagglutination activities of T. rubeta and P. trapezium extracts were independent of the presence of divalent cations, whereas the haemagglutination activity of extracts from T. squamosa and T. conus were slightly dependent on the presence of divalent cations. The results suggest that Vietnam marine invertebrates may be good sources of useful lectins for biochemical and biomedical applications.

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Walquist, Mari Johannessen, Karl-Erik Eilertsen, Edel Oddny Elvevoll, and Ida-Johanne Jensen. "Marine-Derived Peptides with Anti-Hypertensive Properties: Prospects for Pharmaceuticals, Supplements, and Functional Food." Marine Drugs 22, no. 4 (March 22, 2024): 140. http://dx.doi.org/10.3390/md22040140.

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Hypertension, a major health concern linked to heart disease and premature mortality, has prompted a search for alternative treatments due to side effects of existing medications. Sustainable harvesting of low-trophic marine organisms not only enhances food security but also provides a variety of bioactive molecules, including peptides. Despite comprising only a fraction of active natural compounds, peptides are ideal for drug development due to their size, stability, and resistance to degradation. Our review evaluates the anti-hypertensive properties of peptides and proteins derived from selected marine invertebrate phyla, examining the various methodologies used and their application in pharmaceuticals, supplements, and functional food. A considerable body of research exists on the anti-hypertensive effects of certain marine invertebrates, yet many species remain unexamined. The array of assessments methods, particularly for ACE inhibition, complicates the comparison of results. The dominance of in vitro and animal in vivo studies indicates a need for more clinical research in order to transition peptides into pharmaceuticals. Our findings lay the groundwork for further exploration of these promising marine invertebrates, emphasizing the need to balance scientific discovery and marine conservation for sustainable resource use.

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Rapacciuolo, Giovanni, J. Michael Beman, Lauren M. Schiebelhut та Michael N. Dawson. "Microbes and macro-invertebrates show parallel β-diversity but contrasting α-diversity patterns in a marine natural experiment". Proceedings of the Royal Society B: Biological Sciences 286, № 1912 (9 жовтня 2019): 20190999. http://dx.doi.org/10.1098/rspb.2019.0999.

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Documenting ecological patterns across spatially, temporally and taxonomically diverse ecological communities is necessary for a general understanding of the processes shaping biodiversity. A major gap in our understanding remains the comparison of diversity patterns across a broad spectrum of evolutionarily and functionally diverse organisms, particularly in the marine realm. Here, we aim to narrow this gap by comparing the diversity patterns of free-living microbes and macro-invertebrates across a natural experiment provided by the marine lakes of Palau: geographically discrete and environmentally heterogeneous bodies of seawater with comparable geological and climatic history, and a similar regional species pool. We find contrasting patterns of α-diversity but remarkably similar patterns of β-diversity between microbial and macro-invertebrate communities among lakes. Pairwise dissimilarities in community composition among lakes are positively correlated between microbes and macro-invertebrates, and influenced to a similar degree by marked gradients in oxygen concentration and salinity. Our findings indicate that a shared spatio-temporal and environmental context may result in parallel patterns of β-diversity in microbes and macro-invertebrates, in spite of key trait differences between these organisms. This raises the possibility that parallel processes also influence transitions among regional biota across the tree of life, at least in the marine realm.

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Lord, Joshua P., Rachel M. Moser, Emily M. Buonocore, Emily E. Sylvester, Melissa J. Morales, Alex P. Granitz, Anthony Disipio, et al. "Dominance Hierarchies in Marine Invertebrates." Biological Bulletin 240, no. 1 (February 1, 2021): 2–15. http://dx.doi.org/10.1086/712973.

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Rodriguez, SR, FP Ojeda, and NC Inestrosa. "Settlement of benthic marine invertebrates." Marine Ecology Progress Series 97 (1993): 193–207. http://dx.doi.org/10.3354/meps097193.

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Mather, Jennifer. "Marine Invertebrates: Communities at Risk." Biology 2, no. 2 (June 10, 2013): 832–40. http://dx.doi.org/10.3390/biology2020832.

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Ahyong, Shane T. "New Zealand Coastal Marine Invertebrates." New Zealand Journal of Marine and Freshwater Research 45, no. 1 (March 2011): 161–63. http://dx.doi.org/10.1080/00288330.2010.535497.

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Phillips, John H. "ANTIBODYLIKE MATERIALS OF MARINE INVERTEBRATES*." Annals of the New York Academy of Sciences 90, no. 3 (December 15, 2006): 760–69. http://dx.doi.org/10.1111/j.1749-6632.1960.tb26420.x.

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FUSETANI, NOBUHIRO. "Antifungal Substances from Marine Invertebrates." Annals of the New York Academy of Sciences 544, no. 1 Antifungal Dr (December 1988): 113–27. http://dx.doi.org/10.1111/j.1749-6632.1988.tb40395.x.

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Nakao, Yoichi, and Nobuhiro Fusetani. "Enzyme Inhibitors from Marine Invertebrates." Journal of Natural Products 70, no. 4 (April 2007): 689–710. http://dx.doi.org/10.1021/np060600x.

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Hutchings, Pat, and Winston Ponder. "Marine invertebrates and their conservation." Marine Pollution Bulletin 46, no. 2 (February 2003): 153–54. http://dx.doi.org/10.1016/s0025-326x(02)00483-6.

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Tincu, J. Andy, and Steven W. Taylor. "Antimicrobial Peptides from Marine Invertebrates." Antimicrobial Agents and Chemotherapy 48, no. 10 (October 2004): 3645–54. http://dx.doi.org/10.1128/aac.48.10.3645-3654.2004.

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Petersen, Jillian M., and Nicole Dubilier. "Methanotrophic symbioses in marine invertebrates." Environmental Microbiology Reports 1, no. 5 (October 2009): 319–35. http://dx.doi.org/10.1111/j.1758-2229.2009.00081.x.

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Hatcher, A. "RQ of benthic marine invertebrates." Marine Biology 102, no. 4 (1989): 445–52. http://dx.doi.org/10.1007/bf00438345.

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Journal articles on the topic 'Marine invertebrates'

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