{"refrec":{"BRefID":65542,"RR":"<b>Casanova, B.; Brunet, M.; Segonzac, M.</b> (1993). L'impact d'une épibiose bactérienne sur la morphologie fonctionnelle de crevettes associées à l'hydrothermalisme médio-atlantique = Bacterian epibiosis impact on the morphology of shrimps associated with hydrothermalism in the Mid-Atlantic. <i>Cah. Biol. Mar. 34(4)</i>: 573-588","BEntID":62007,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Cah. Biol. Mar. 34(4)</i>: 573-588","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Casanova, B.; Brunet, M.; Segonzac, M.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Casanova, B. <i>et al.</i>","Englishabstract":"This study deals with a morphological comparison between two carid species, <i>Rimicaris exoculata</i> and <i>Chorocaris chacei</i>, living with a rich bacterian epibiosis of the mid-Atlantic vents and a third one, <i>Alvinocaris markensis</i> which have no bacteria. On these two species, filamentous bacteria are dominant and fixed on different protected places (inner sheet of carapace: epimera and setae of gnathal appendages). All these sites are located on the way of current water which run along a prebranchial chamber constituted by anterior and lateral expansion of carapace. In this \"culture chamber\", autotrophic bacteria found favourable conditions: numerous anchoring points, particularly on setules of setae and on epimera, iron sulfur brought by currents of water and used of their metabolism. A comparative study of gnathal appendices as also the reduction of the mouth area and mandibles show that <i>Rimicaris</i> is more modified than <i>Chorocaris</i>. Studies have also been done on internal gastric armature, digestive contents and gills. Observations of bacteria on integument show that they are on epicuticle. The disappearance of the procuticle at the level of epimera under which exist important hemolym lacunae in <i>Rimicaris</i> suggest a possible direct transcuticle absorption of dissolved substances which will be a complementary part supply to a particular absorption of episymbiotic and free bacteria. This bacterian cuticular episymbiosis of the prawns of Atlantic vents recalls that observed for the Pompeii worms from the Pacific, particularly the carapace which would act a part of the tube.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"L'impact d'une épibiose bactérienne sur la morphologie fonctionnelle de crevettes associées à l'hydrothermalisme médio-atlantique = Bacterian epibiosis impact on the morphology of shrimps associated with hydrothermalism in the Mid-Atlantic","OrigTitleLangCode":"fr","OrigTitleLangCodeExtended":"fre","OrigTitleLangID":22,"DateLastModified":{"date":"2024-12-10 01:33:17.368041","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":1993,"MonPub":null,"DateUpdate":"2016-03-08","DateCreate":"2004-08-30","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":1},"refs":null,"anarec":{"AnaID":65542,"PubliDate":1993,"Pagination":"573-588","XtraPublOfAnaID":null,"ISBN":null,"Volume":"34","Issue":"4","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42348,"SerRR":"Cahiers de Biologie Marine. 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