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  • Genetics  (4)
  • ICLARM  (2)
  • American Chemical Society
  • American Chemical Society (ACS)
  • Molecular Diversity Preservation International
  • Nature Publishing Group
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  • 1
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    Aquaculture genetics research in Egypt (2005)
    ICLARM
    Details
    Publication Date: 2021-05-19
    Description: Fish production in Egypt has significantly increased over the last few years reaching 546 000 t in 1998 compared to 306 000 t in 1988. The contribution of aquaculture in the overall fish production has increased as well reaching its utmost share in 1998 (26%). Research on aquaculture topics was conducted in several institutes targeting the increase of productivity as well as working on problems facing this promising sector. However, research on fish genetics in Egypt only started in recent years. The genetic improvement of tilapias and African catfish represents the focus of most genetics research in Egypt. This paper presents the status of genetics research within the International Network on Genetics in Aquaculture and in other national institutes in Egypt.
    Description: Published
    Keywords: Genetics ; Genetics
    Repository Name: AquaDocs
    Type: Non-Refereed
    Format: 31959 bytes
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  • 2
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    Fish genetics research in Côte d’Ivoire (2005)
    ICLARM
    Details
    Publication Date: 2021-05-19
    Description: Fish genetics research conducted in two research centers and other institutions in Côte d’Ivoire is presented. Most of this research so far conducted focused on population genetics. In addition to electrophoresis characterization, morphometric and meristic characteristics were used to evaluate and describe fish population in Côte d’Ivoire. Recent genetic research tools, such as microsatellites, restriction fragment length polymorphism of mitochondrial DNA techniques have been used. Research activities dealt mainly with tilapias (Sarotherodon melanotheron, Oreochromis niloticus and O. aureus) and Siluriformes (Clarias gariepinus, C. anguillaris, Heterobranchus longifilis, H. bidorsalis and Chrysichthys nigrodigitatus) which were mostly used for their potential for aquaculture. One of the research centers, the Fish Station, attached to the Centre National de Recherche Agronomique-Bouaké regional office, is participating in the International Network on Genetics in Aquaculture Project.
    Description: Published
    Keywords: Genetics
    Repository Name: AquaDocs
    Type: Proceedings Paper , Non-Refereed
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  • 3
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    First biological measurements of deep-sea corals from the Red Sea (2013)
    Nature Publishing Group
    Details
    Publication Date: 2022-05-25
    Description: © The Author(s), 2013. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Scientific Reports 3 (2013): 2802, doi:10.1038/srep02802.
    Description: It is usually assumed that metabolic constraints restrict deep-sea corals to cold-water habitats, with ‘deep-sea’ and ‘cold-water’ corals often used as synonymous. Here we report on the first measurements of biological characters of deep-sea corals from the central Red Sea, where they occur at temperatures exceeding 20°C in highly oligotrophic and oxygen-limited waters. Low respiration rates, low calcification rates, and minimized tissue cover indicate that a reduced metabolism is one of the key adaptations to prevailing environmental conditions. We investigated four sites and encountered six species of which at least two appear to be undescribed. One species is previously reported from the Red Sea but occurs in deep cold waters outside the Red Sea raising interesting questions about presumed environmental constraints for other deep-sea corals. Our findings suggest that the present understanding of deep-sea coral persistence and resilience needs to be revisited.
    Keywords: Ecosystem ecology ; Biodiversity ; Genetics ; Metabolism
    Repository Name: Woods Hole Open Access Server
    Type: Article
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  • 4
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    Production of two highly abundant 2-methyl-branched fatty acids by blooms of the globally significant marine cyanobacteria Trichodesmium erythraeum (2021)
    American Chemical Society
    Details
    Publication Date: 2022-05-27
    Description: © The Author(s), 2021. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Gosselin, K. M., Nelson, R. K., Spivak, A. C., Sylva, S. P., Van Mooy, B. A. S., Aeppli, C., Sharpless, C. M., O’Neil, G. W., Arrington, E. C., Reddy, C. M., & Valentine, D. L. Production of two highly abundant 2-methyl-branched fatty acids by blooms of the globally significant marine cyanobacteria Trichodesmium erythraeum. ACS Omega, 6(35), (2021): 22803–22810, https://doi.org/10.1021/acsomega.1c03196.
    Description: The bloom-forming cyanobacteria Trichodesmium contribute up to 30% to the total fixed nitrogen in the global oceans and thereby drive substantial productivity. On an expedition in the Gulf of Mexico, we observed and sampled surface slicks, some of which included dense blooms of Trichodesmium erythraeum. These bloom samples contained abundant and atypical free fatty acids, identified here as 2-methyldecanoic acid and 2-methyldodecanoic acid. The high abundance and unusual branching pattern of these compounds suggest that they may play a specific role in this globally important organism.
    Description: This work was funded with grants from the National Science Foundation grants OCE-1333148, OCE-1333162, and OCE-1756254 and the Woods Hole Oceanographic Institution (IR&D). GCxGC analysis made possible by WHOI’s Investment in Science Fund.
    Keywords: Lipids ; Alkyls ; Bacteria ; Genetics ; Chromatography
    Repository Name: Woods Hole Open Access Server
    Type: Article
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