The rate of introduction of exotic marine species has dramatically increased during the 19th and 20th centuries. Exemplifying this trend, the marine gastropod Ocinebrellus inornatus was first detected outside its native range in 1924 on the American Pacific coast, then in 1995 on the French Atlantic coast. To determine the origin of the French populations of this invasive species, we compared a French population with populations collected in Asia—the native range—and with a population collected in the United States. Analyses of mitochondrial DNA and allozyme polymorphism revealed that the French and American populations were closely related and substantially differentiated from the Asian populations. According to our results, the most likely scenario is that the source population of the French Atlantic coast populations was located in the United States. Indeed, taken altogether, the genetic structure of Asian populations, the time lag separating the introduction on the American Pacific coast from the introduction on the French Atlantic coast and the high level of genetic diversity in the two introduced areas (indicating an absence of major founder events) are hardly compatible with a scenario in which French population resulting only from primary introduction events from the native area. Finally, although similar, the French and American populations were not identical. Thus, even if the main source population of the French populations was located in the United States, the genetic structure of French populations may have been modified by cryptic and recurrent introduction events directly from Asia.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Invasion by the marine gastropod Ocinebrellus inornatus in France: I. Scenario for the source of introduction","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-04 01:31:52.153209","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Allozyme; Genetic structure; Introduction; Invasive species; mtDNA; Ocinebrellus inornatus","OtherDescriptors":null,"Notes":null,"AnaPub":2004,"MonPub":null,"DateUpdate":"2024-01-29","DateCreate":"2024-01-29","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000222043600003","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.jembe.2003.11.011"},"refs":null,"anarec":{"AnaID":381322,"PubliDate":2004,"Pagination":"155-170","XtraPublOfAnaID":null,"ISBN":null,"Volume":"305","Issue":"2","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43229,"SerRR":"Journal of Experimental Marine Biology and Ecology. Elsevier: New York. ISSN 0022-0981; e-ISSN 1879-1697","StandardTitleSer":"Journal of Experimental Marine Biology and Ecology","ISSN":"0022-0981","AbbrevSer":"J. Exp. Mar. Biol. Ecol.","StandardTitleMon":null,"StartPage":155,"Pages":16,"ToPubliDate":null,"BRefBibLvlCode":"S","SerNotes":null},"monrec":null,"serrec":null,"relations":null,"relationsRev":[{"XBRefID":381326,"RefStrFull":"Martel, C.; Viard, F.; Bourguet, D.; Garcia-Meunier, P. (2004). Invasion by the marine gastropod Ocinebrellus inornatus in France. II. Expansion along the Atlantic coast. Mar. Ecol. Prog. Ser. 273: 163-172. https://dx.doi.org/10.3354/meps273163","RelID":4,"RelationY":"Related to","StandardTitle":"Invasion by the marine gastropod Ocinebrellus inornatus in France. II. Expansion along the Atlantic coast"}],"addrec":null,"othpubs":null,"ownerships":null,"authors":[{"AutName":"Martel","Firstname":null,"Initials":"C.","Affiliation":null,"Discriminator":null,"CorporateFlag":0,"BEntID":379063,"AutID":551438,"OrderNr":1,"DegrID":null,"EditorFlag":0,"CorrespFlag":0,"IllustratorFlag":0,"ReviserFlag":0,"TranslatorFlag":0,"InsAcronym":null,"InsFSN":null,"ORCID":null,"PersID":null,"InsID":null},{"AutName":"Viard","Firstname":null,"Initials":"F.","Affiliation":null,"Discriminator":null,"CorporateFlag":0,"BEntID":379063,"AutID":37927,"OrderNr":2,"DegrID":null,"EditorFlag":0,"CorrespFlag":0,"IllustratorFlag":0,"ReviserFlag":0,"TranslatorFlag":0,"InsAcronym":null,"InsFSN":null,"ORCID":"0000-0001-5603-9527","PersID":7139,"InsID":null},{"AutName":"Bourguet","Firstname":null,"Initials":"D.","Affiliation":null,"Discriminator":null,"CorporateFlag":0,"BEntID":379063,"AutID":551440,"OrderNr":3,"DegrID":null,"EditorFlag":0,"CorrespFlag":0,"IllustratorFlag":0,"ReviserFlag":0,"TranslatorFlag":0,"InsAcronym":null,"InsFSN":null,"ORCID":null,"PersID":null,"InsID":null},{"AutName":"Garcia-Meunier","Firstname":"Pascale","Initials":"P.","Affiliation":null,"Discriminator":null,"CorporateFlag":0,"BEntID":379063,"AutID":31959,"OrderNr":4,"DegrID":null,"EditorFlag":0,"CorrespFlag":0,"IllustratorFlag":0,"ReviserFlag":0,"TranslatorFlag":0,"InsAcronym":null,"InsFSN":null,"ORCID":null,"PersID":8516,"InsID":null}],"mapdetails":null,"datasets":null,"monographs":null,"monparts":null,"serparts":null,"BEntOpen":null,"BEntPrivate":null,"availability":[{"BInstID":395675,"LibID":36,"BRefID":381322,"EmbargoDate":null,"FullEmbargoDate":null,"PhysMedID":16,"hasOCRd":null,"ShelfLocCode":"395675","RFID":null,"PaidValue":null,"Medium":"Server","Description":"Interne VLIZ documenten","Acronym":"VLIZ","Library":"Vlaams Instituut voor de Zee","DutchTerm":"Non-open access","URL":null,"ClassifID":228,"Classification":"Non-open access","ReqLink":1,"ClassifTypID":3,"URLLocation":"https://www.vliz.be/imisdocs/publications/","SubDir":1,"InternalReq":1,"LoggedInReq":1,"Disclaimer":"Disclaimer_VLIZ_Intern","DutchDisclaimer":"
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