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Relevant bibliographies by topics / Animal chemical defenses

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Academic literature on the topic 'Animal chemical defenses'

Author: Grafiati

Published: 4 June 2021

Last updated: 27 July 2025

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Journal articles on the topic "Animal chemical defenses"

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Dávila-Lara, Alberto, Asifur Rahman-Soad, Michael Reichelt, and Axel Mithöfer. "Carnivorous Nepenthes x ventrata plants use a naphthoquinone as phytoanticipin against herbivory." PLOS ONE 16, no. 10 (2021): e0258235. http://dx.doi.org/10.1371/journal.pone.0258235.

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Carnivorous plants feed on animal prey, mainly insects, to get additional nutrients. This carnivorous syndrome is widely investigated and reported. In contrast, reports on herbivores feeding on carnivorous plants and related defenses of the plants under attack are rare. Here, we studied the interaction of a pitcher plant, Nepenthes x ventrata, with a generalist lepidopteran herbivore, Spodoptera littoralis, using a combination of LC/MS-based chemical analytics, choice and feeding assays. Chemical defenses in N. x ventrata leaves were analyzed upon S. littoralis feeding. A naphthoquinone, plumb

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Brossman, Kelly H., Bradley E. Carlson, Amber N. Stokes, and Tracy Langkilde. "Eastern Newt (Notophthalmus viridescens) larvae alter morphological but not chemical defenses in response to predator cues." Canadian Journal of Zoology 92, no. 4 (2014): 279–83. http://dx.doi.org/10.1139/cjz-2013-0244.

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Prey traits are often modified in response to exposure to predators, a phenomenon known as predator-induced phenotypic plasticity. Morphological plasticity in response to predator cues is well documented in amphibians; however, predator-induced chemical defenses have received relatively little attention. The Eastern Newt (Notophthalmus viridescens (Rafinesque, 1820)), which possesses tetrodotoxin—a toxin for chemical defense, is most vulnerable to predation during its larval stage. We assessed whether exposing Eastern Newt larvae to predator scent cues (from dragonfly larvae) would elicit chan

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Pamplona, Reinald, and David Costantini. "Molecular and structural antioxidant defenses against oxidative stress in animals." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 301, no. 4 (2011): R843—R863. http://dx.doi.org/10.1152/ajpregu.00034.2011.

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In this review, it is our aim 1) to describe the high diversity in molecular and structural antioxidant defenses against oxidative stress in animals, 2) to extend the traditional concept of antioxidant to other structural and functional factors affecting the “whole” organism, 3) to incorporate, when supportable by evidence, mechanisms into models of life-history trade-offs and maternal/epigenetic inheritance, 4) to highlight the importance of studying the biochemical integration of redox systems, and 5) to discuss the link between maximum life span and antioxidant defenses. The traditional con

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Kiekebusch, Elsita M., and Burt P. Kotler. "Effects of plant defenses and water availability on seasonal foraging preferences of the Nubian Ibex (Capra nubiana)." Israel Journal of Ecology and Evolution 62, no. 3-4 (2016): 128–37. http://dx.doi.org/10.1080/15659801.2015.1112657.

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The study of herbivore patch use has implications for herbivore habitat quality assessment, foraging behaviors, species interactions, and coexistence in patchy environments. This research focuses on the comparison of the effects of two qualitatively different plant defenses, mechanical (thorns) and chemical (tannins), on ibex foraging preferences during different seasons of the year. The occurrence of both chemical and mechanical plant defenses were experimentally manipulated in artificial resource patches, in addition to water availability. Ibex foraging preferences were quantified using givi

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Starke, W. Wallace, and Michael H. Ferkin. "Chemical cues from kingsnakes do not cause inducible defenses in house mice." Current Zoology 58, no. 6 (2012): 797–804. http://dx.doi.org/10.1093/czoolo/58.6.797.

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Abstract Many rodents exhibit inducible defenses when exposed to chemical cues from mammalian predators. These responses may include delays in sexual maturation, smaller adult body size and decreases in litter size and pup weight. We exposed the hybrid juvenile offspring of field-caught and lab-descended house mice Mus musculus to the chemical cues of mouse-fed or chick-fed kingsnakes, Lampropeltis getula, for 20 days after weaning, to examine the effects of ophidian predator cues on prey development. We hypothesized that these cues would elicit inducible defenses such as alteration of growth

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Xu, Qian, Xiao Yang, Ranran Zhang, et al. "Embryotoxicity and Teratogenicity of Steroidal Saponin Isolated from Ophiopholis mirabilis." Toxics 11, no. 2 (2023): 137. http://dx.doi.org/10.3390/toxics11020137.

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Benthic invertebrates produce secondary metabolites that serve as defenses against consumers and promote their fitness. To explore the chemical defense in marine benthic echinoderms, the chemical constituents of Ophiopholis mirabilis were investigated. A steroidal monoglycoside, asterosaponin P1, was isolated from O. mirabilis for the first-time using column chromatography. The chemical structure was characterized by spectroscopic and spectrometric methods. The embryotoxicity and teratogenicity of the isolated compound were assessed using the zebrafish embryo assay, a powerful vertebrate anima

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Aleksandar, Stoimenov. "DEFENSE MECHANISMS OF MAMMARY GLAND IN SHEEP – A REVIEW." Tradition and Modernity in Veterinary Medicine 7, no. 2 (2023): 131–42. https://doi.org/10.5281/zenodo.7707579.

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The health of the mammary gland in animals is of paramount importance both to milk productivity and to the whole organism. The term "mastitis" refers to inflammation of the mammary gland. It is characterized by pathological changes in the parenchyma, duct system and interstitial connective tissue, leading to changes in the composition and qualities of milk. Due to its high prevalence, mastitis is considered the most important threat to dairy industry, because of its impact on animal health and milk production. The aims of this paper are to consider mammary gland defenses, including a

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Skelhorn, John, and Graeme D. Ruxton. "Ecological factors influencing the evolution of insects' chemical defenses." Behavioral Ecology 19, no. 1 (2007): 146–53. http://dx.doi.org/10.1093/beheco/arm115.

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Heiser, Sabrina, Charles D. Amsler, James B. McClintock, Andrew J. Shilling, and Bill J. Baker. "Every Rule Has an Exception: a Cheater in the Community-Wide Mutualism in Antarctic Seaweed Forests." Integrative and Comparative Biology 60, no. 6 (2020): 1358–68. http://dx.doi.org/10.1093/icb/icaa058.

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Synopsis Dense macroalgal forests on the Western Antarctic Peninsula serve important ecological roles both in terms of considerable biomass for primary production as well as in being ecosystem engineers. Their function within the Antarctic ecosystem has been described as a crucial member of a community-wide mutualism which benefits macroalgal species and dense assemblages of associated amphipod grazers. However, there is a cheater within the system that can feed on one of the most highly chemically defended macroalgal hosts. The amphipod Paradexamine fissicauda has been found to readily consum

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Rust, Michael, Eric J. N. Helfrich, Michael F. Freeman, et al. "A multiproducer microbiome generates chemical diversity in the marine sponge Mycale hentscheli." Proceedings of the National Academy of Sciences 117, no. 17 (2020): 9508–18. http://dx.doi.org/10.1073/pnas.1919245117.

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Bacterial specialized metabolites are increasingly recognized as important factors in animal–microbiome interactions: for example, by providing the host with chemical defenses. Even in chemically rich animals, such compounds have been found to originate from individual members of more diverse microbiomes. Here, we identified a remarkable case of a moderately complex microbiome in the sponge host Mycale hentscheli in which multiple symbionts jointly generate chemical diversity. In addition to bacterial pathways for three distinct polyketide families comprising microtubule-inhibiting peloruside

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Dissertations / Theses on the topic "Animal chemical defenses"

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Cardoso, Márcio Zikán. "The evolutionary and ecological consequences of pollen feeding in Heliconius butterflies : resource acquisition, chemical defense and mating /." Digital version accessible at:, 1999. http://wwwlib.umi.com/cr/utexas/main.

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Sarmiento, Leslie Vanesa. "Inducible chemical defenses in temperate reef sponges of the South Atlanitic Bight, U.S.A." Click here to access dissertation, 2008. http://www.georgiasouthern.edu/etd/archive/spring2008/leslie_v_bates/Sarmiento_Leslie_V_200801_MS.pdf.

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Thesis (M.A.)--Georgia Southern University, 2008.<br>"A dissertation submitted to the Graduate Faculty of Georgia Southern University in partial fulfillment of the requirements for the degree Master of Arts." Under the direction of Joe Pellergino. ETD. Electronic version approved: May 2008. Includes bibliographical references (p. 83-86) and appendices.

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Krug, Patrick Joseph. "Chemical and larval ecology of opisthobranch molluscs : variable development modes and settlement cues for larvae of Alderia modesta /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 1998. http://wwwlib.umi.com/cr/ucsd/fullcit?p9907826.

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Marion, Zachary Harrison. "Ecological efficacy of chemically-mediated antipredator defenses in the Eastern newt Notophthalmus viridescens." Thesis, Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/34856.

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Frogs, toads, and salamanders are well known for harboring an array of distasteful (and poisonous) secondary metabolites, presumably as antipredator defenses; yet few experiments have rigorously demonstrated the efficacy of amphibian chemical defenses against ecologically relevant consumers. For example, despite an absence of rigorous statistical evidence showing their distastefulness to predators, eastern newts (Notophthalmus viridescens (Rafinesque))--a common salamander in lentic North American habitats--are assumed to tolerate diverse predator assemblages because newts secrete tetrodotoxin

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Diner, Brandee. "Plant-herbivore interactions between North American porcupines (Erethizon dorsatum) and trembling aspens (Populus tremuloides)." Thesis, McGill University, 2005. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=84024.

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Plant-herbivore interactions play a significant role in the structure and functioning of ecosystems. Co-evolutionary theory suggests that plant defenses evolved due to herbivores and herbivore pressure can shape the genetic composition of their food resources. We used interactions between North American porcupines (Erethizon dorsatum) and trembling aspens ( Populus tremuloides) as a system to investigate this theory's important assumption that herbivores select food sources based on genetically controlled traits. We confirmed that porcupines exhibit intra-specific food selection and tha

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Foster, Rosie. "Plants signalling to herbivores : is there a link between chemical defence and visual cues?" Thesis, University of Sussex, 2013. http://sro.sussex.ac.uk/id/eprint/45168/.

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The use of visual cues by insect herbivores is likely to be an important component of plant-herbivore interactions in the wild, yet has until recently received little attention from researchers. In the last decade, however, interest in this topic has intensified following Hamilton & Brown's (2001) autumn colouration hypothesis, which proposes that the intensity of colouration of trees at autumn time is a signal of their defensive commitment to potential herbivores. This idea remains controversial and to date robust empirical data linking colouration with chemical defence and herbivory have bee

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Netto, Eduardo Ferreira de Carvalho. "Estudo da participação da matéria cinzenta periaquedutal dorsal no comportamento defensivo de camundongos através do emprego de diferentes modelos animais de ansiedade: a estimulação química e a exposição ao predador." Universidade de São Paulo, 2007. http://www.teses.usp.br/teses/disponiveis/59/59134/tde-09032007-141636/.

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O medo e a ansiedade são emoções que apresentam claro valor adaptativo, e que tem suas origens nas reações de defesa que os animais exibem em resposta a situações de ameaça que podem comprometer sua integridade física ou sobrevivência. Recentes estudos têm indicado que a matéria cinzenta periaquedutal dorsal (MCPD) está envolvida na organização e expressão de comportamentos intempestivos do tipo fuga e luta, os quais são relacionados ao estado de medo, e também participa, juntamente com estruturas prosencefálicas (ex. córtex pré-frontal, sistema septo-hipocampal e amígdala), do controle de com

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Queiroz, Abel Felipe de Oliveira. "Indução de voláteis em cocos nucifera (Arecaceae) por Brassolis sophorae (Linnaeus, 1758) (Lepidoptera: Nymphalidae) e biologia de Winthemia analis (Macquart, 1846) (Diptera: Tachinidae)." Universidade Federal de Sergipe, 2015. https://ri.ufs.br/handle/riufs/4403.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>Plants have evolved various strategies to defend themselves against herbivory. Under herbivore attack, they emit volatile organic compounds that indirectly defend the plant, by attracting herbivore s natural enemies or directly by repelling the herbivore. The coconut tree, Cocus nucifera, is grown in all regions of the country, being predominant in the northeast and hold socio-economic importance for the country. In this sense, the objective of this study was to characterize the emission of volatiles by C. nucifera induced upon her

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Books on the topic "Animal chemical defenses"

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Mitchell, Susan K. Animal chemical combat: Poisons, smells, and slime. Enslow Publishers, 2009.

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Higgins, Nadia. Deadliest adorable animals. Lerner Publications, 2013.

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Barrett, Norman S. Poisonous insects. F. Watts, 1991.

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Higgins, Nadia. Deadliest adorable animals. Lerner Publications, 2013.

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Toth, Gunilla B. Inducible chemical responses and herbivore resistance in seaweeds. Inst. för Marin Ekologi, Göteborgs Universitet, 2002.

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Gray, Susan Heinrichs. Skunks smell bad. Cherry Lake Publishing, 2015.

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W, Tallamy Douglas, and Raupp Michael J, eds. Phytochemical induction by herbivores. Wiley, 1991.

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Nakamura, Tsuneo, Kazuo Unno, and Yasuko Shimada. Ikimono chie kurabe. 2017.

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Breithaupt, Thomas, and Martin Thiel. Chemical Communication in Crustaceans. Springer, 2014.

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Breithaupt, Thomas, and Martin Thiel. Chemical Communication in Crustaceans. Springer, 2011.

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Book chapters on the topic "Animal chemical defenses"

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Kouznetsov, Vladimir V. "Vegetable Oxygen-Containing Toxins and their Effects on Animals." In Chemical Defense in Nature. CRC Press, 2025. https://doi.org/10.1201/9781003335771-2.

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Kouznetsov, Vladimir V. "Vegetable Nitrogen-Containing Toxins and their Effects on Animals." In Chemical Defense in Nature. CRC Press, 2025. https://doi.org/10.1201/9781003335771-3.

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Freeman, Christopher J., and Daniel F. Gleason. "Does concentrating chemical defenses within specific regions of marine sponges result in enhanced protection from predators?" In Ancient Animals, New Challenges. Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-4688-6_24.

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Schmidt, Eric. "Bacterial Chemical Defenses of Marine Animal Hosts." In Mycology. CRC Press, 2009. http://dx.doi.org/10.1201/9781420069327.ch5.

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"Bacterial Chemical Defenses of Marine Animal Hosts." In Defensive Mutualism in Microbial Symbiosis. CRC Press, 2009. http://dx.doi.org/10.1201/9781420069327-13.

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Scott, Jon, Gus Cameron, Anne Goodenough, et al. "Defence against Predation and Invasion." In Biological Science. Oxford University Press, 2022. http://dx.doi.org/10.1093/hesc/9780198783688.003.0061.

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This chapter focuses on the ability to defend an enclosed region of the biosphere against predation and invasion. Defence mechanisms often overlap with those employed for other purposes such as resource protection, shelter, feeding, reproduction, and community cohesion. External defence mechanisms include the physical resilience offered by integuments and their ability to repair themselves, as well as colours, chemicals, and behaviours which give organisms camouflage and protection. Some animals rely on chemical signalling to find food and mates and to avoid and deter predators. The chapter ci

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Benson, J. A. "Introduction." In Guidebook to Protein Toxins and Their Use in Cell Biology. Oxford University PressOxford, 1997. http://dx.doi.org/10.1093/oso/9780198599555.003.0039.

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Abstract For defence and offense in the natural world, evolution and human design have placed a high premium on rapid knock-down. Sedentary or slow animals which defend themselves from or prey upon faster animals, plants that produce chemical defences against herbivores, and farmers who wish to reduce to a minimum crop damage due to infestation with pest insects and other species, all utilize toxic substances that act on the nervous system (Benson 1992). The sodium channel is a primary site of action for these compounds because of its central role in action potential conduction and because it

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Hay, Mark E., and William Fenical. "Chemical mediation of seaweed-herbivore interactions." In Plant-Animal Interactions in the Marine Benthos. Oxford University PressOxford, 1992. http://dx.doi.org/10.1093/oso/9780198577546.003.0014.

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Abstract Seaweeds produce a variety of secondary metabolites that deter feeding by herbivores. The defensive value of a compound is, however, a specific function of the compound’s structure and the species of herbivore attacking the plant; previous generalizations about the effectiveness and mode of action of different classes of compounds (e.g., qualitative vs quantitative chemical defences) are unfounded.

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Price, Peter W. "Practical significance of tritrophic interactions for crop protection." In Phytochemistry and Agriculture. Oxford University PressOxford, 1993. http://dx.doi.org/10.1093/oso/9780198577621.003.0006.

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Abstract Three-trophic-level interactions can be defined as interactions between plants, herbivores and carnivores that pass up and down food webs spanning more than direct linkage between two species. General awareness of the commonness and importance of such interactions was recognized over 10 years ago (Bergman and Tingey 1979; Lawton and McNeill 1979; Price et al. 1980). These interactions may involve physical factors such as a trichome layer on the leaf that modifies herbivore behaviour and thus affects the her:bivore-carnivore interaction, or chemical factors. The chemical effects may re

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Maun, M. Anwar. "Animal–plant interactions." In The Biology of Coastal Sand Dunes. Oxford University Press, 2009. http://dx.doi.org/10.1093/oso/9780198570356.003.0015.

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Population dynamics of plant species of coastal sand dunes is influenced directly, both above and below the soil surface, by a wide variety of organisms. Plants serve as sources of carbon and pathogens including viruses, insects, bacteria, fungi, birds, and mammals of various kinds. Some enhance plant performance while others have deleterious effects. Positive interactions include pollination of flowers by useful insects in return for nectar and pollen, nutrient acquisition from soil by mycorrhizal fungi in exchange for carbon and acquiring nitrogen (N) from N-fixing bacteria. In the history o

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Conference papers on the topic "Animal chemical defenses"

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Swann, Jennifer M., and Noel D. Perreira. "“Animal-Like, Sensor-Based Robot Motions: Learning From Nature”—An Interdisciplinary Project for Rising Sophomores at Lehigh University." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-43967.

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For the last three summers Lehigh University has sponsored a Research Experience for Undergraduates with support from the National Science Foundation, Department of Defense and Pennsylvania Infrastructure and Technology Alliance. Each year 10–12 rising sophomores were recruited from throughout the US to work with 4–5 graduate students and 2 professors from biological sciences and mechanical engineering. The project’s goal is to create a chemical sensing, mobile robot using a carbon based electronic nose developed by the California Institute of Technology for NASA and principles obtained from o

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Reports on the topic "Animal chemical defenses"

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Landau, Sergei Yan, John W. Walker, Avi Perevolotsky, Eugene D. Ungar, Butch Taylor, and Daniel Waldron. Goats for maximal efficacy of brush control. United States Department of Agriculture, 2008. http://dx.doi.org/10.32747/2008.7587731.bard.

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Background. Brush encroachment constitutes a serious problem in both Texas and Israel. We addressed the issue of efficacy of livestock herbivory - in the form of goat browsing - to change the ecological balance to the detriment of the shrub vegetation. Shrub consumption by goats is kept low by plant chemical defenses such as tannins and terpenes. Scientists at TAES and ARO have developed an innovative, cost-effective methodology using fecal Near Infrared Spectrometry to elucidate the dietary percentage of targeted, browse species (terpene-richredberry and blueberry juniper in the US, and tanni

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