{"refrec":{"BRefID":68495,"RR":"<b>Kappas, I.; Abatzopoulos, T.J.; Van Hoa, N.; Sorgeloos, P.; Beardmore, J.A.</b> (2004). Genetic and reproductive differentiation of <i>Artemia franciscana</i> in a new environment. <i>Mar. Biol. (Berl.) 146(1)</i>: 103-117. <a href=\"http://dx.doi.org/10.1007/s00227-004-1420-9\" target=\"_blank\">dx.doi.org/10.1007/s00227-004-1420-9</a>","BEntID":64716,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Mar. Biol. (Berl.) 146(1)</i>: 103-117. <a href=\"https://dx.doi.org/10.1007/s00227-004-1420-9\" target=\"_blank\">https://dx.doi.org/10.1007/s00227-004-1420-9</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":1,"TerrestrialFlag":0,"Authorstring":"Kappas, I.; Abatzopoulos, T.J.; Van Hoa, N.; Sorgeloos, P.; Beardmore, J.A.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Kappas, I. <i>et al.</i>","Englishabstract":"The nature and speed of intraspecific genetic differentiation between the <i>Artemia</i> population native to San Francisco Bay (SFB) and populations resulting from introduction of SFB material into Vietnam (Vinh Chau, VC) have been investigated from a multidisciplinary perspective using reproductive characters, allozymes and mitochondrial DNA. Rapid divergence between SFB and VC <i>Artemia</i> is evident from an analysis of five reproductive traits at the temperatures of 26°C and 30°C. The VC strain seems to be better adapted to high temperature, as gauged by the significantly higher reproductive output displayed compared with SFB <i>Artemia</i>. Analysis of variance confirms the existence of a strong genetic component involved in the determination of encystment. Allozyme analysis (20 loci) of the same strains reveals considerable genetic differences between samples, cultured at the above temperatures. Combined probability values for tests of allele frequency homogeneity pooled over all polymorphic loci, at 30°C as well as between temperatures, are 0.015 and 0.026, respectively. In addition, cluster analysis shows evidence of differentiation of Vietnamese <i>Artemia</i> from the wild (SFB) stock as early as within a year after inoculation. Mitochondrial DNA RFLP markers show similar patterns of genetic differentiation to those seen with allozymes and reproductive traits. However, unlike allozymes, there is strong evidence of a reduction in haplotype diversity from 40.6% in SFB <i>Artemia</i> to 10.5% in the established VC strain. Although genetic drift could account for much of the depletion in gene diversity, firm indications are obtained of selective forces shaping the gene pool in the tropical conditions of Vietnam. The brine shrimp is an invaluable genetic system for fine-scale studies of microevolutionary divergence, and multidisciplinary studies are likely to be of both fundamental and practical value for such inquiries.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Genetic and reproductive differentiation of <i>Artemia franciscana</i> in a new environment","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-25 01:31:34.918360","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2004,"MonPub":null,"DateUpdate":"2012-02-22","DateCreate":"2004-12-02","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000225410400009","VABBcode":null,"OpenAcc":0,"DOI":"10.1007/s00227-004-1420-9"},"refs":null,"anarec":{"AnaID":68495,"PubliDate":2004,"Pagination":"103-117","XtraPublOfAnaID":null,"ISBN":null,"Volume":"146","Issue":"1","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43352,"SerRR":"Marine Biology: International Journal on Life in Oceans and Coastal Waters. Springer: Heidelberg; Berlin.  ISSN 0025-3162; e-ISSN 1432-1793","StandardTitleSer":"Marine Biology: International Journal on Life in Oceans and Coastal Waters","ISSN":"0025-3162","AbbrevSer":"Mar. Biol. 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