{"refrec":{"BRefID":435605,"RR":"<b>Faraone, F.P.; Vecchioni, L.; Sciberras, A.; Di Gangi, A.; Deidun, A.</b> (2025). First insights into the mitochondrial DNA diversity of the Italian sea-slater across the Strait of Sicily. <i>Diversity 17(9)</i>: 622. <a href=\"https://dx.doi.org/10.3390/d17090622\" target=\"_blank\">https://dx.doi.org/10.3390/d17090622</a>","BEntID":433435,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":0,"RefStringPartII":". <i>Diversity 17(9)</i>: 622. <a href=\"https://dx.doi.org/10.3390/d17090622\" target=\"_blank\">https://dx.doi.org/10.3390/d17090622</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Faraone, F.P.; Vecchioni, L.; Sciberras, A.; Di Gangi, A.; Deidun, A.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Faraone, F.P. <i>et al.</i>","Englishabstract":"The Strait of Sicily represents a biogeographically rich and complex region. The diverse geological origin and past continental connection of its islands have shaped a highly heterogeneous fauna, mainly composed of both African and European taxa. The Italian sea-slater, Ligia italica (Fabricius, 1798), is a small isopod inhabiting rocky shores of the Mediterranean Sea, Black Sea, and Atlantic Ocean. Despite its wide distribution, the phylogeography of this species is poorly understood, with limited available data suggesting a remarkable level of cryptic diversity. In this study, we investigated the mitochondrial genetic diversity (COX1) of L. italica across nine Italian and Maltese islands across the Strait of Sicily, aiming to clarify the biogeographic patterns underlying the distribution of these insular populations. Our results reveal an unexpectedly high genetic diversity within our study area, with eight different haplogroups, each characterized by low internal genetic variation and mutual distances ranging from 5.5% to 17.9%. These values are comparable to those associated with species-level rank within the genus Ligia. Overall, the phylogenetic relationships between the lineages appear well supported; however, the same relationships are not clearly correlated with geographic proximity or connectivity among the sampled localities. The distribution patterns of some of the detected haplogroups suggest possible passive dispersal mechanisms (e.g., rafting), while others indicate more intricate biogeographic scenarios. The overall diversity of L. italica within the Strait of Sicily, as well as the unclear origin of some insular populations, cannot be fully explained with the current data. In particular, the high genetic structure observed within the Maltese Archipelago, may partially reflect human-mediated dispersal (e.g., maritime transport), possibly involving source populations that remain unsampled or genetically uncharacterized. Our results highlight that the Strait of Sicily can be considered a diversity hot spot for L. italica and support the designation of this taxon as a putative species complex, with a cryptic diversity worthy of an exhaustive taxonomic revision.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"First insights into the mitochondrial DNA diversity of the Italian sea-slater across the Strait of Sicily","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2025-10-31 01:34:51.853418","timezone_type":1,"timezone":"+01:00"},"AuthorKeywords":"phylogeography; coastal species","OtherDescriptors":null,"Notes":null,"AnaPub":2025,"MonPub":null,"DateUpdate":"2025-10-24","DateCreate":"2025-10-24","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":1,"DOI":"10.3390/d17090622"},"refs":null,"anarec":{"AnaID":435605,"PubliDate":2025,"Pagination":"622","XtraPublOfAnaID":null,"ISBN":null,"Volume":"17","Issue":"9","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":239468,"SerRR":"Diversity. 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