Academic literature on the topic 'Microalgal bioma'

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Journal articles on the topic "Microalgal bioma"

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Karcheva, Zornitsa, Zhaneta Georgieva, Alexander Tomov, et al. "Heavy metal stress response of microalgal strains Arthronema africanum and Coelastrella sp. BGV." BioRisk 17 (April 21, 2022): 83–94. https://doi.org/10.3897/biorisk.17.77483.

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The present study compared the stress response of two microalgal strains – Arthronema africanum (Cyanoprokaryota) and Coelastrella sp. BGV (Chlorophyta), after heavy metals' treatment. Changes of algal growth, pigment and protein content were analyzed after adding Cu, Cd and Pb (50 µM and 100 µM) to the nutrition medium. It was found that Cd and Pb significantly inhibited growth and protein biosynthesis of microalgae, but the effect of Cu remained less pronounced. In both strains, a decrease of chlorophyll content was observed, while carotenoid content markedly increased, especially in Coelast
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Dorrell, Richard G., Alan Kuo, Zoltan Füssy, et al. "Convergent evolution and horizontal gene transfer in Arctic Ocean microalgae." Life Science Alliance 6, no. 3 (2022): e202201833. http://dx.doi.org/10.26508/lsa.202201833.

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Microbial communities in the world ocean are affected strongly by oceanic circulation, creating characteristic marine biomes. The high connectivity of most of the ocean makes it difficult to disentangle selective retention of colonizing genotypes (with traits suited to biome specific conditions) from evolutionary selection, which would act on founder genotypes over time. The Arctic Ocean is exceptional with limited exchange with other oceans and ice covered since the last ice age. To test whether Arctic microalgal lineages evolved apart from algae in the global ocean, we sequenced four lineage
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Keat Long, Low, Iqbal Ahmed, and Ani Idris. "Effects of Organic Solvent and Temperature on the Extraction of Lutein from Scenedesmus sp Biomass." Jurnal Kejuruteraan si2, no. 1 (2019): 125–30. http://dx.doi.org/10.17576/jkukm-2019-si2(1)-15.

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Lutein is a valuable bioactive compound that has various industrial applications. In nature, lutein is a yellow coloured isoprenoid polyene pigment, being produced by many photosynthetic organisms. With regard to Scenedesmus sp as the studied organism, this study aims to investigate the efficiency of microalgae-derived lutein extraction process. Repetitive solvent extraction method had been examined with four different organic solvents under different treatment temperatures for their lutein extraction effectiveness. Results showed that diethyl ether was the most effective organic solvent to ex
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Prambodo, Muhammad Sindhunata, Riche Hariyati, and Tri Retnaningsih Soeprobowati. "Spirulina platensis Geitler sebagai Fikoremediator Logam Berat Pb Skala Laboratorium." Bioma : Berkala Ilmiah Biologi 18, no. 2 (2016): 64. http://dx.doi.org/10.14710/bioma.18.2.64-69.

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Industrial waste contributes the heavy metals pollution in the environment, especially in the water. One of the heavy metals that pollute the environment is lead (Pb). Lead is a substance that is harmful to organisms, especially humans, both adults and children. Solutions to tackle Pb pollution isby remediation process. Physical and chemical remediation methods usually costly and ineffective. One of the alternative methods which is used is the bioremediation uses microalgae or called as phycoremediation. One of microalgae which is used as agents of phycoremediation is Spirulina platensis Geitl
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Rahmawati, Novia, Muhammad Zainuri, and Hermin Pancasakti Kusumaningrum. "Aplikasi Pakan Kaya Karotenoid Hasil Fusi ProtoplasmIntergenera Dunaliella salina dan Chlorella vulgaris pada Udang Windu (Penaeus monodon F.) Stadia PL-20 Di Desa Asempapan, Pati, Jawa Tengah." Bioma : Berkala Ilmiah Biologi 15, no. 2 (2013): 46. http://dx.doi.org/10.14710/bioma.15.2.46-52.

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Dunaliella salina and Chlorella vulgaris is a natural feed microalgae with high carotenoid content that can be increased using protoplast fusion technique. Protoplast fusion as one of the application fields of genetic engineering is a method for obtaining recombinant with the desired properties and profitable in a short time. This study aimed to see the effect of the addition of carotenoid-rich feed results from protoplast fusion recombinant D. salina and C. vulgaris on the survival rate and weight of shrimp post larvae. Mixed fusion results feed and artificial feed needed for the growth of po
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Rismiarti, Asih, Hermin Pancasakti Kusumaningrum, and Muhammad Zainuri. "Karakterisasi Dan Identifikasi Molekuler Fusan Hasil Fusi Protoplas Interspesies Chlorella pyrenoidosa dan Chlorella vulgaris Menggunakan 18SrDNA." Bioma : Berkala Ilmiah Biologi 18, no. 2 (2016): 30. http://dx.doi.org/10.14710/bioma.18.2.30-40.

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Chlorella pyrenoidosa is a unicellular green algae that grows in fresh water with carotenoids consisting of β-carotene, α-carotene, anthaxanthin, neoxanthin, zeaxanthin and lutein. C. vulgaris usually it lives in sea water with carotenoids, chlorophyll, tocopherol, ubiquinone and proteins. The quality of them is improved by protoplast fusion and identified further using moleculer analysis. This study aims to find out the characterization and identification of molecular fusan that is obtained from interspecies C. pyrenoidosa and C. vulgaris protoplast fusion process using 18SrDNA. Both C. pyren
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Ahmed, Ishtiaq, Muhammad Asgher, Farooq Sher, et al. "Exploring Marine as a Rich Source of Bioactive Peptides: Challenges and Opportunities from Marine Pharmacology." Marine Drugs 20, no. 3 (2022): 208. http://dx.doi.org/10.3390/md20030208.

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This review highlights the underexplored potential and promises of marine bioactive peptides (MBPs) with unique structural, physicochemical, and biological activities to fight against the current and future human pathologies. A particular focus is given to the marine environment as a significant source to obtain or extract high-value MBPs from touched/untouched sources. For instance, marine microorganisms, including microalgae, bacteria, fungi, and marine polysaccharides, are considered prolific sources of amino acids at large, and peptides/polypeptides in particular, with fundamental structur
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Ferraz Sena, Camilla, Kelly Vieira Silva, Jorge Rêgo Figueiredo, et al. "Diversidade de Euglenophyceae do Pantanal dos Marimbus (Bahia, Brasil)." Heringeriana 16 (January 12, 2022): e917959. http://dx.doi.org/10.17648/heringeriana.v16i1.917959.

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A classe Euglenophyceae inclui flagelados unicelulares, autotróficos, mixotróficos e heterotróficos, com morfologia variável e ampla distribuição em ecossistemas aquáticos continentais. O presente estudo teve como objetivo realizar um levantamento florí­stico de Euglenophyceae no Pantanal dos Marimbus, uma planí­cie de inundação no bioma Caatinga, localizada no Parque Nacional da Chapada Diamantina. A região sofre inundações periódicas; as amostras foram realizadas a partir de uma grande área de lagoas interligadas durante maio e setembro de 2014, abril de 2015 e agosto de 2016, durante os per
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Kosarev, A. V., D. E. Ivanov, and A. F. Kamenets. "The effect of manganese ions (II) on representatives of aquatic biota." IOP Conference Series: Earth and Environmental Science 949, no. 1 (2022): 012013. http://dx.doi.org/10.1088/1755-1315/949/1/012013.

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Abstract The work is devoted to the consideration of the peculiarities of the impact of manganese (II) on representatives of freshwater biota. Manganese plays an important role in the aquatic environment, since it determines the course of the most important metabolic processes in hydrobiont organisms of varying degrees of organization. The analysis of processes involving manganese has shown that the main chemical factors affecting the accumulation of manganese in the aquatic environment are anaerobic biochemical processes caused by active silting of the riverbed due to the washout of organic s
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Garrido-Romero, Javier, Alston Bernard D'Souza, Dieter Hanelt, and Abdelfatah Abomohra. "Lipid-rich particles of processed food waste for microalgae harvest through lipid-enriched floating biomat formation." Bioresource Technology 394 (February 2024): 130251. http://dx.doi.org/10.1016/j.biortech.2023.130251.

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Dissertations / Theses on the topic "Microalgal bioma"

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Santana, Jordana Kaline da Silva. "Microalgas sob a ótica da biotecnologia e de intenção de uso popular em comunidades rurais com espécies isoladas do Bioma Caatinga nos estados da Paraíba e do Rio Grande do Norte." Universidade Federal da Paraíba, 2014. http://tede.biblioteca.ufpb.br:8080/handle/tede/9173.

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Submitted by Vasti Diniz (vastijpa@hotmail.com) on 2017-07-31T12:25:00Z No. of bitstreams: 1 arquivototal.pdf: 2557660 bytes, checksum: 4c049fddfaa1836ee5649b7be251a121 (MD5)<br>Made available in DSpace on 2017-07-31T12:25:00Z (GMT). No. of bitstreams: 1 arquivototal.pdf: 2557660 bytes, checksum: 4c049fddfaa1836ee5649b7be251a121 (MD5) Previous issue date: 2014-04-30<br>Microalgae have a varied chemical composition with many products of interest to the food, pharmaceutical, cosmetic and energy sector, which makes them a group of high biotechnological potential. In this work some species o
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ARGANARAZ, GIMENA. "Cultivation of green microalgae of the genus Scenedesmus in wastewater and flue-gas." Doctoral thesis, 2009. http://hdl.handle.net/2158/547862.

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Book chapters on the topic "Microalgal bioma"

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Horner, Rita. "Ecology of Sea Ice Microalgae." In Sea Ice Biota. CRC Press, 2018. http://dx.doi.org/10.1201/9781351076548-3.

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Horner, Rita. "Taxonomy of Sea Ice Microalgae." In Sea Ice Biota. CRC Press, 2018. http://dx.doi.org/10.1201/9781351076548-6.

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McConville, M. J. "Chemical Composition and Biochemistry of Sea Ice Microalgae." In Sea Ice Biota. CRC Press, 2018. http://dx.doi.org/10.1201/9781351076548-4.

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Palmisano, Anna C., and Cornelius W. Sullivan. "Growth, Metabolism, and Dark Survival in Sea Ice Microalgae." In Sea Ice Biota. CRC Press, 2018. http://dx.doi.org/10.1201/9781351076548-5.

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Barra, Lucia, and Silvestro Greco. "The potential of microalgae in phycoremediation." In Microalgae - Current and Potential Applications [Working Title]. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.1003212.

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Heavy metals (HMs) and polycyclic aromatic hydrocarbons (PAHs) can have negative impacts on the marine and freshwater biota. Utilizing microbes, particularly microalgae, which are able to extract metals and hydrocarbons from environmental matrices, the impact of these contaminants in freshwaters, seas, and wastewaters can be reduced. In fact, the contaminants can be passively absorbed and actively accumulated within the organelles of microalgae, reducing their negative impact. River streams, untreated municipal, agricultural, and industrial wastewaters, represent one of the most important issu
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Popoviciu, Dan Răzvan. "Soil Biodiversity, Microbiota." In Soil Biology & Ecology: The Basics. BENTHAM SCIENCE PUBLISHERS, 2024. https://doi.org/10.2174/9789815313291124010003.

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Microorganisms form the bulk of soil biota. Having densities of hundreds of millions per gram, bacteria are the dominant organisms. They are the starting point of most trophic chains, they ensure a major part of soil functionality as an ecosystem and they effectively create soil, especially by breaking down organic matter. Their taxonomic diversity is enormous, such as the ecological one: heterotrophs, photoautotrophs, chemoautotrophs, etc. Besides them, there are also archaea, viruses, different types of microalgae, and the eclectic group we usually call “protozoans�.
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Paul, Eldor A., David Harris, Michael J. Klug, and Roger W. Ruess. "The Determination of Microbial Biomass." In Standard Soil Methods for Long-Term Ecological Research. Oxford University PressNew York, NY, 1999. http://dx.doi.org/10.1093/oso/9780195120837.003.0015.

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Abstract The soil biota represents 1-3% of the soil carbon and 3-5% of soil nil trogen. The microbial component, often ranging from 100 to &amp;gt; 1000 µ,g C g-1, is usually considered to contain those soil organisms not visible without magnification. It includes nematodes, protozoa, filamentous and yeast forms of the fungi, microalgae, and bacteria. The bacteria, in turn, contain great diversity, including the actinomycetes, archae, and chemo- and photolithotrophs plus many still uncultured forms. Often the effects of climate, landscape, soil type, and management on ecosystem functioning and
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Conference papers on the topic "Microalgal bioma"

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Culaba, Alvin B., Aristotle T. Ubando, Andres Philip Mayol, Charles Felix, Andre Marvin A. Calapatia, and Jayne Lois San Juan. "Optimization and drying kinetics of the convective drying of microalgal biomat (lab-lab)." In 2019 IEEE 11th International Conference on Humanoid, Nanotechnology, Information Technology, Communication and Control, Environment, and Management ( HNICEM ). IEEE, 2019. http://dx.doi.org/10.1109/hnicem48295.2019.9072822.

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