Reduced Genome of the Gut Symbiotic Bacterium Candidatus Benitsuchiphilus tojoi Provides Insight Into Its Possible Roles in Ecology and Adaptation of the Host Insect

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dc.authoridHosokawa, Takahiro/0000-0001-7618-1774
dc.authorwosidMondal, Shakhinur Islam/AAT-6529-2021
dc.contributor.authorMondal, Shakhinur Islam
dc.contributor.authorAkter, Arzuba
dc.contributor.authorKoga, Ryuichi
dc.contributor.authorHosokawa, Takahiro
dc.contributor.authorDayi, Mehmet
dc.contributor.authorMurase, Kazunori
dc.contributor.authorKikuchi, Taisei
dc.date.accessioned2021-12-01T18:51:08Z
dc.date.available2021-12-01T18:51:08Z
dc.date.issued2020
dc.department[Belirlenecek]en_US
dc.description.abstractDiverse animals, including insects, harbor microbial symbionts within their gut, body cavity, or cells. The subsocial parastrachiid stinkbug Parastrachia japonensis is well-known for its peculiar ecological and behavioral traits, including its prolonged non-feeding diapause period and maternal care of eggs/nymphs in an underground nest. P. japonensis harbors a specific bacterial symbiont within the gut cavity extracellularly, which is vertically inherited through maternal excretion of symbiont-containing white mucus. Thus far, biological roles of the symbiont in the host lifecycle has been little understood. Here we sequenced the genome of the uncultivable gut symbiont Candidatus Benitsuchiphilus tojoi. The symbiont has an 804 kb circular chromosome encoding 606 proteins and a 14.5 kb plasmid encoding 13 proteins. Phylogenetic analysis indicated that the bacterium is closely related to other obligate insect symbionts belonging to the Gammaproteobacteria, including Buchnera of aphids and Blochmannia of ants, and the most closely related to Ishikawaella, an extracellular gut symbiont of plataspid stinkbugs. These data suggested that the symbiont genome has evolved like highly reduced gamma-proteobacterial symbiont genomes reported from a variety of insects. The presence of genes involved in biosynthesis pathways for amino acids, vitamins, and cofactors in the genome implicated the symbiont as a nutritional mutualist, supplementing essential nutrients to the host. Interestingly, the symbiont's plasmid encoded genes for thiamine and carotenoid synthesis pathways, suggesting the possibility of additional functions of the symbiont for protecting the host against oxidative stress and DNA damage. Finally, possible involvement of the symbiont in uric acid metabolism during diapause is discussed.en_US
dc.description.sponsorshipJapan Society for the Promotion of Science (JSPS) KAKENHIMinistry of Education, Culture, Sports, Science and Technology, Japan (MEXT)Japan Society for the Promotion of ScienceGrants-in-Aid for Scientific Research (KAKENHI) [16H04722, 19H03212, JP17H06388]; JST CRESTJapan Science & Technology Agency (JST)Core Research for Evolutional Science and Technology (CREST) [JPMJCR18S7]en_US
dc.description.sponsorshipThis work was partly supported by the Japan Society for the Promotion of Science (JSPS) KAKENHI Grant Numbers 16H04722 and 19H03212 to TK and JP17H06388 to TF, and JST CREST Grant Number JPMJCR18S7 to TK.en_US
dc.identifier.doi10.3389/fmicb.2020.00840
dc.identifier.issn1664-302X
dc.identifier.pmid32435239en_US
dc.identifier.scopus2-s2.0-85085620916en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.3389/fmicb.2020.00840
dc.identifier.urihttps://hdl.handle.net/20.500.12684/10972
dc.identifier.volume11en_US
dc.identifier.wosWOS:000536697300001en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakPubMeden_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherFrontiers Media Saen_US
dc.relation.ispartofFrontiers In Microbiologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectstinkbug symbionten_US
dc.subjectdiapauseen_US
dc.subjectParastrachia japonensisen_US
dc.subjectGammaproteobacteriaen_US
dc.subjectcarotenoid synthesisen_US
dc.subjecturic aciden_US
dc.subjectParastrachia-Japonensis Hemipteraen_US
dc.subjectMolecular Evolutionen_US
dc.subjectObligate Symbionten_US
dc.subjectAmino-Acidsen_US
dc.subjectShield Bugen_US
dc.subjectSequenceen_US
dc.subjectBiosynthesisen_US
dc.subjectCydnidaeen_US
dc.subjectAphidsen_US
dc.subjectEndosymbionten_US
dc.titleReduced Genome of the Gut Symbiotic Bacterium Candidatus Benitsuchiphilus tojoi Provides Insight Into Its Possible Roles in Ecology and Adaptation of the Host Insecten_US
dc.typeArticleen_US

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