{"refrec":{"BRefID":300223,"RR":"<b>Gerdol, M.; Cervelli, M.; Oliverio, M.; Modica, M.V.</b> (2018). Piercing fishes: porin expansion and adaptation to hematophagy in the vampire snail <i>Cumia reticulata</i>. <i>Mol. Biol. Evol. 35(11)</i>: 2654-2668. <a href=\"https://dx.doi.org/10.1093/molbev/msy156\" target=\"_blank\">https://dx.doi.org/10.1093/molbev/msy156</a>","BEntID":292444,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Mol. Biol. Evol. 35(11)</i>: 2654-2668. <a href=\"https://dx.doi.org/10.1093/molbev/msy156\" target=\"_blank\">https://dx.doi.org/10.1093/molbev/msy156</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Gerdol, M.; Cervelli, M.; Oliverio, M.; Modica, M.V.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Gerdol, M. <i>et al.</i>","Englishabstract":"Cytolytic pore-forming proteins are widespread in living organisms, being mostly involved in both sides of the host-pathogen interaction, either contributing to the innate defence or promoting infection. In venomous organisms, such as spiders, insects, scorpions and sea anemones, pore-forming proteins are often secreted as key components of the venom. Coluporins are pore-forming proteins recently discovered in the Mediterranean hematophagous snail <i>Cumia reticulata</i> (Colubrariidae), highly expressed in the salivary glands that discharge their secretion at close contact with the host. To understand their putative functional role, we investigated coluporins’ molecular diversity and evolutionary patterns. Coluporins is a well-diversified family including at least 30 proteins, with an overall low sequence similarity but sharing a remarkably conserved actinoporin-like predicted structure. Tracking the evolutionary history of the molluscan porin genes revealed a scattered distribution of this family, which is present in some other lineages of predatory gastropods, including venomous conoidean snails. Comparative transcriptomic analyses highlighted the expansion of porin genes as a lineage-specific feature of colubrariids. Coluporins seem to have evolved from a single ancestral porin gene present in the latest common ancestor of all Caenogastropoda, undergoing massive expansion and diversification in this colubrariid lineage through repeated gene duplication events paired with widespread episodic positive selection. As for other parasites, these findings are congruent with a “one-sided arms race”, equipping the parasite with multiple variants in order to broaden its host spectrum. Overall, our results pinpoint a crucial adaptive role for coluporins in the evolution of the peculiar trophic ecology of vampire snails.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Piercing fishes: porin expansion and adaptation to hematophagy in the vampire snail <i>Cumia reticulata</i>","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-06 01:33:50.409116","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2018,"MonPub":null,"DateUpdate":"2019-02-27","DateCreate":"2018-08-13","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000452567200005","VABBcode":null,"OpenAcc":1,"DOI":"10.1093/molbev/msy156"},"refs":null,"anarec":{"AnaID":300223,"PubliDate":2018,"Pagination":"2654-2668","XtraPublOfAnaID":null,"ISBN":null,"Volume":"35","Issue":"11","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":45270,"SerRR":"Molecular Biology and Evolution. 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