{"refrec":{"BRefID":328438,"RR":"<b>van Vliet, D.M.; Lin; Bale, N.J.; Koenen, M.; Villanueva, L.; Stams, A.J.M.; Sánchez-Andrea, I.</b> (2020). <i>Pontiella desulfatans</i> gen. nov., sp. nov., and <i>Pontiella sulfatireligans</i> sp. nov., two marine anaerobes of the <i>Pontiellaceae</i> fam. nov. producing sulfated glycosaminoglycan-like exopolymers. <i>Microorganisms 8(6)</i>: 920. <a href=\"https://dx.doi.org/10.3390/microorganisms8060920\" target=\"_blank\">https://dx.doi.org/10.3390/microorganisms8060920</a>","BEntID":321915,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":0,"RefStringPartII":". <i>Microorganisms 8(6)</i>: 920. <a href=\"https://dx.doi.org/10.3390/microorganisms8060920\" target=\"_blank\">https://dx.doi.org/10.3390/microorganisms8060920</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"van Vliet, D.M.; Lin; Bale, N.J.; Koenen, M.; Villanueva, L.; Stams, A.J.M.; Sánchez-Andrea, I.","OrigTitleTranslFlag":0,"Authorstringtrunc":"van Vliet, D.M. <i>et al.</i>","Englishabstract":"Recently, we isolated two marine strains, F1<SUP>T</SUP> and F21<SUP>T</SUP>, which together with <i>Kiritimatiella glycovorans</i> L21-Fru-ABT are the only pure cultures of the class <i>Kiritimatiellae</i> within the phylum <i>Verrucomicrobiota</i>. Here, we present an in-depth genome-guided characterization of both isolates with emphasis on their exopolysaccharide synthesis. The strains only grew fermentatively on simple carbohydrates and sulfated polysaccharides. Strains F1<SUP>T</SUP>, F21<SUP>T</SUP> and <i>K. glycovorans</i> reduced elemental sulfur, ferric citrate and anthraquinone-2,6-disulfonate during anaerobic growth on sugars. Both strains produced exopolysaccharides during stationary phase, probably with intracellularly stored glycogen as energy and carbon source. Exopolysaccharides included N-sulfated polysaccharides probably containing hexosamines and thus resembling glycosaminoglycans. This implies that the isolates can both degrade and produce sulfated polysaccharides. Both strains encoded an unprecedently high number of glycoside hydrolase genes (422 and 388, respectively), including prevalent alpha-L-fucosidase genes, which may be necessary for degrading complex sulfated polysaccharides such as fucoidan. Strain F21<SUP>T</SUP> encoded three putative glycosaminoglycan sulfotransferases and a putative sulfate glycosaminoglycan biosynthesis gene cluster. Based on phylogenetic and chemotaxonomic analyses, we propose the taxa <i>Pontiella desulfatans</i> F1<SUP>T</SUP> gen. nov., sp. nov. and <i>Pontiella sulfatireligans</i> F21<SUP>T</SUP> sp. nov. as representatives of the <i>Pontiellaceae</i> fam. nov. within the class <i>Kiritimatiellae</i>.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"<i>Pontiella desulfatans</i> gen. nov., sp. nov., and <i>Pontiella sulfatireligans</i> sp. nov., two marine anaerobes of the <i>Pontiellaceae</i> fam. nov. producing sulfated glycosaminoglycan-like exopolymers","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:01.897972","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"novel anaerobes; CAZymes; glycosaminoglycans; <i>Kiritimatiella</i>; Black Sea","OtherDescriptors":null,"Notes":null,"AnaPub":2020,"MonPub":null,"DateUpdate":"2022-11-11","DateCreate":"2020-09-02","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000549276300001","VABBcode":null,"OpenAcc":1,"DOI":"10.3390/microorganisms8060920"},"refs":null,"anarec":{"AnaID":328438,"PubliDate":2020,"Pagination":"920","XtraPublOfAnaID":null,"ISBN":null,"Volume":"8","Issue":"6","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":302866,"SerRR":"Microorganisms. 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