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Modulation of the free amino acid pool and protein content in populations of the Artemia spp.
Helland, S.; Triantaphyllidis, G.; Fyhn, H.J.; Evjen, M.S.; Lavens, P.; Sorgeloos, P. (2000). Modulation of the free amino acid pool and protein content in populations of the Artemia spp. Mar. Biol. (Berl.) 137: 1005-1016. https://dx.doi.org/10.1007/s002270000409
In: Marine Biology: International Journal on Life in Oceans and Coastal Waters. Springer: Heidelberg; Berlin. ISSN 0025-3162; e-ISSN 1432-1793, meer
Peer reviewed article  
Beschikbaar in  Auteurs 
Trefwoorden
    Acids > Organic compounds > Organic acids > Amino acids
    Artificial seawater
    Asia > East asia > Developing countries > China > Central southern china > Macao
    Chemical compounds > Organic compounds > Proteins
    China, People's Rep.
    Cultures > Shellfish culture > Crustacean culture > Brine shrimp culture
    Cysts
    Developmental stages > Larvae > Invertebrate larvae > Insect larvae > Instars
    Environmental effects > Salinity effects
    Hatching
    INE, USA, California, San Francisco Bay
    Iran
    Kazakhstan
    Namibia
    USA, Utah, Great Salt L.
    Artemia Leach, 1819 [WoRMS]; Artemia franciscana Kellog, 1906 [WoRMS]; Artemia parthenogenetica Bowen & Sterling, 1978 [WoRMS]; Artemia urmiana Günther, 1899 [WoRMS]
    China [Marine Regions]; Iran [Marine Regions]; Kazakhstan [Marine Regions]; Namibia [Marine Regions]; San Francisco Bay [Marine Regions]; Thessaloniki [Marine Regions]
    Marien/Kust
Auteurs  Top 
  • Helland, S.
  • Triantaphyllidis, G.
  • Fyhn, H.J.
  • Evjen, M.S.
  • Lavens, P., meer
  • Sorgeloos, P., meer
Abstract
    Free amino acid (FAA) and protein content were measured in various developmental stages of Artemia franciscana, from cysts to Instar III metanauplii. In addition, decapsulated cysts of 15 Artemia populations from different localities were compared with respect to their FAA and protein content. Furthermore, the content and composition of the FAA pool were modulated by hatching the cysts at various salinities, and by enriching the nauplii with algae or a lipid-enrichment emulsion. The FAA content increased threefold from cysts to nauplii, and Instar III metanauplii contained nearly 50% taurine of total FAA. Cysts of A. franciscana were found to contain one-third the amount of FAA compared to the other Artemia species investigated. The content and pool composition of FAA was successfully modulated in 11 of 13 populations, where by the content of FAA was significantly increased when hatched at high salinity. Finally, enrichment elevated the content of FAA and changed the pool composition, thereby showing a dietary effect. Algal enrichment also increased the protein content.
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