02539nas a2200265   4500008004100000245004800041210004800089260001200137300001400149490000700163520181200170653001201982653001701994653001802011653002102029653002202050653001902072653002002091100001402111700002002125700001602145700001702161700001402178856008102192       2006                        eng d00aMolecular ecology of zebra mussel invasions0 aMolecular ecology of zebra mussel invasions  c2006///  a1021-10310 v153 aThe invasion of the zebra mussel, Dreissena polymorpha, into North American waters has resulted in profound ecological disturbances and large monetary losses. This study examined the invasion history and patterns of genetic diversity among endemic and invading populations of zebra mussels using DNA sequences from the mitochondrial cytochrome oxidase I (COI) gene. Patterns of haplotype frequency indicate that all invasive populations of zebra mussels from North America and Europe originated from the Ponto-Caspian Sea region. The distribution of haplotypes was consistent with invasive populations arising from the Black Sea drainage, but could not exclude the possibility of an origin from the Caspian Sea drainage. Similar haplotype frequencies among North American populations of D. polymorpha suggest colonization by a single founding population. There was no evidence of invasive populations arising from tectonic lakes in Turkey, while lakes in Greece and Macedonia contained only Dreissena stankovici. Populations in Turkey might be members of a sibling species complex of D. polymorpha. Ponto-Caspian derived populations of D. polymorpha (è = 0.0011) and Dreissena bugensis (one haplotype) exhibited low levels of genetic diversity at the COI gene, perhaps as a result of repeated population bottlenecks. In contrast, geographically isolated tectonic lake populations exhibited relatively high levels of genetic diversity (è = 0.0032 to 0.0134). It is possible that the fluctuating environment of the Ponto-Caspian basin facilitated the colonizing habit of invasive populations of D. polymorpha and D. bugensis. Our findings were concordant with the general trend of destructive freshwater invaders in the Great Lakes arising from the Ponto-Caspian Sea basin. © 2006 Blackwell Publishing Ltd.10aBivalve10acolonization10aIntroductions10ainvasive species10aMollusca Bivalvia10aQuagga mussels10arange expansion1 aMay, G.E.1 aGelembiuk, G.W.1 aPanov, V.E.1 aOrlova, M.I.1 aLee, C.E.  uhttps://icgf.myspecies.info/content/molecular-ecology-zebra-mussel-invasions02274nas a2200253   4500008004100000245007200041210006900113260001200182300001400194490000700208520151800215653001301733653001201746653001501758653001401773653002801787653002201815653001901837653001101856100002001867700001401887700001401901856010501915       2006                        eng d00aPhylogeography and systematics of zebra mussels and related species0 aPhylogeography and systematics of zebra mussels and related spec  c2006///  a1033-10500 v153 aThe genus Dreissena includes two widespread and aggressive aquatic invaders, the zebra mussel, Dreissena polymorpha, and the quagga mussel, Dreissena bugensis. This genus evolved in the Ponto-Caspian Sea basin, characterized by dynamic instability over multiple timescales and a unique evolutionary environment that may predispose to invasiveness. The objectives of this study were to gain insights into the demographic history of Dreissena species in their endemic range, to reconstruct intraspecific phylogeographic relationships among populations, and to clarify systematics of the genus, using DNA sequences from the mitochondrial cytochrome oxidase I (COI) gene. We found four deeply diverged clades within this genus, with a basal split that approximately coincided with the Cretaceous-Tertiary boundary. Divergence events within the four base clades were much more recent, corresponding to geographically disjunct sets of populations, which might represent species complexes. Across all taxa, populations of Dreissena shared a common pattern of genetic signatures indicating historical population bottlenecks and expansions. Haplotype diversity was relatively low in Ponto-Caspian drainages relative to more stable tectonic lakes in Greece, Macedonia, and Turkey. The phylogeographic and demographic patterns in the endemic range of Dreissena might have resulted from vicariance events, habitat instability, and the high fecundity and passive dispersal of these organisms. © 2006 Blackwell Publishing Ltd.10aAnatolia10aBivalve10ademography10aDreissena10aFluctuating environment10aMollusca Bivalvia10aTectonic lakes10aTurkey1 aGelembiuk, G.W.1 aMay, G.E.1 aLee, C.E.  uhttps://icgf.myspecies.info/content/phylogeography-and-systematics-zebra-mussels-and-related-species