Multiple genetic marker analysis challenges the introduction history of<i>Ulva australis</i>(Ulvales, Chlorophyta) on French coasts
نویسندگان
چکیده
The green seaweeds Ulva australis and U. pertusa were described from southern Australia Japan, respectively. They are conspecific australis, the currently accepted taxon, is native to temperate marine waters in north-eastern Asia, known be introduced overseas into Australasia, Americas Europe. Although genetics of have been investigated elsewhere, along French coasts origins history introduction this species need clarified. We used mitochondrial, plastid nuclear markers differentiate populations Atlantic coasts. tufA gene as a barcoding marker revealed well-defined with higher haplotype diversity vs. areas. ITS2 region (nuclear) rbcL (plastid) compare specimens lectotype australis. Putative geographic genetically determined examined using genetic better resolution, atpI-H combined mitochondrial trnA-N. Origin(s) inferred comparison between their haplotypes those previously non-native areas worldwide. Our results indicate that presence Mediterranean result multiple introductions independent pathways, suggest historical oyster transfers Japan British Columbia can only partially explain observed patterns markers. Alternative hypotheses for timing pathways proposed light historic background maritime transport networks trade Asia
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ژورنال
عنوان ژورنال: European Journal of Phycology
سال: 2021
ISSN: ['1469-4433', '0967-0262']
DOI: https://doi.org/10.1080/09670262.2021.1876249