{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,16]],"date-time":"2026-05-16T04:09:14Z","timestamp":1778904554932,"version":"3.51.4"},"reference-count":37,"publisher":"Microbiology Society","issue":"2","funder":[{"DOI":"10.13039\/501100005880","name":"National Institute of Biological Resources","doi-asserted-by":"crossref","award":["NIBR202502203"],"award-info":[{"award-number":["NIBR202502203"]}],"id":[{"id":"10.13039\/501100005880","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/501100002460","name":"Chung-Ang University","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100002460","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/501100002488","name":"Hannam University","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100002488","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2026,2,20]]},"abstract":"<jats:p>\n                    A Gram-stain-negative, strictly aerobic and motile rod, designated strain SyP6R\n                    <jats:sup>T<\/jats:sup>\n                    , was isolated from the freshwater alga\n                    <jats:italic>Synura petersenii<\/jats:italic>\n                    in Nakdong River, Republic of Korea, representing a niche expansion of\n                    <jats:italic>Methylobacterium<\/jats:italic>\n                    to the algae. Colonies were pink-coloured, convex and circular on Reasoner\u2019s 2A agar. Phylogenetic analysis based on the 16S rRNA gene sequence indicated that strain SyP6R\n                    <jats:sup>T<\/jats:sup>\n                    formed a distinct phyletic lineage within the genus\n                    <jats:italic>Methylobacterium<\/jats:italic>\n                    , showing the highest similarity to\n                    <jats:italic>Methylobacterium platani<\/jats:italic>\n                    PMB02\n                    <jats:sup>T<\/jats:sup>\n                    (98.9%). Genomic G+C content was 69.6 mol%, and phylogenomic analysis supported its distinct phyletic lineage. The average nucleotide identity values (89.2\u201389.6%) and digital DNA\u2013DNA hybridization values (36.3\u201338.2%) with the closely related taxa were clearly below the species delineation thresholds. Notably, strain SyP6R\n                    <jats:sup>T<\/jats:sup>\n                    possesses biosynthetic genes for B vitamins, including thiamine, riboflavin, pantothenate and folate, highlighting its potential ecological role as a vitamin-supplying symbiont. Strain SyP6R\n                    <jats:sup>T<\/jats:sup>\n                    was oxidase-positive and catalase-negative, growing optimally at 30 \u00b0C and pH 7.0 and 0.25% (w\/v) NaCl. Strain SyP6R\n                    <jats:sup>T<\/jats:sup>\n                    possessed ubiquinone-10 as the sole respiratory quinone and C\n                    <jats:sub>16:0<\/jats:sub>\n                    , summed feature 5 (comprising C\n                    <jats:sub>18:0<\/jats:sub>\n                    ante and\/or C\n                    <jats:sub>18:2<\/jats:sub>\n                    <jats:italic>\u03c9<\/jats:italic>\n                    6,9\n                    <jats:italic>c<\/jats:italic>\n                    ), C\n                    <jats:sub>18:0<\/jats:sub>\n                    , summed feature 3 (comprising C\n                    <jats:sub>16:1<\/jats:sub>\n                    <jats:italic>\u03c9<\/jats:italic>\n                    7\n                    <jats:italic>c<\/jats:italic>\n                    and\/or C\n                    <jats:sub>16:1<\/jats:sub>\n                    <jats:italic>\u03c9<\/jats:italic>\n                    6\n                    <jats:italic>c<\/jats:italic>\n                    ) and summed feature 8 (comprising C\n                    <jats:sub>18:1<\/jats:sub>\n                    <jats:italic>\u03c9<\/jats:italic>\n                    7\n                    <jats:italic>c<\/jats:italic>\n                    and\/or C\n                    <jats:sub>18:1<\/jats:sub>\n                    <jats:italic>\u03c9<\/jats:italic>\n                    6\n                    <jats:italic>c<\/jats:italic>\n                    ) as the major cellular fatty acids (&gt;5%). The predominant polar lipids were diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine and an unidentified aminolipid. Based on polyphasic evidence, strain SyP6R\n                    <jats:sup>T<\/jats:sup>\n                    represents a novel species of the genus\n                    <jats:italic>Methylobacterium<\/jats:italic>\n                    , for which the name\n                    <jats:italic>Methylobacterium synurae<\/jats:italic>\n                    sp. nov. is proposed. The type strain is SyP6R\n                    <jats:sup>T<\/jats:sup>\n                    (=KACC 19923\n                    <jats:sup>T<\/jats:sup>\n                    =JCM 33308\n                    <jats:sup>T<\/jats:sup>\n                    ).\n                  <\/jats:p>","DOI":"10.1099\/ijsem.0.007077","type":"journal-article","created":{"date-parts":[[2026,2,20]],"date-time":"2026-02-20T18:17:34Z","timestamp":1771611454000},"source":"Crossref","is-referenced-by-count":1,"title":["Methylobacterium synurae sp. nov., isolated from a freshwater alga Synura petersenii"],"prefix":"10.1099","volume":"76","author":[{"given":"Yeong Ung","family":"Yu","sequence":"first","affiliation":[{"name":"Department of Biological Sciences and Biotechnology, Hannam University, Jeonmin-dong, Yuseong-gu, Daejeon 34430, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Si Hyeon","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Life Science, Chung-Ang University, Seoul 06974, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Che Ok","family":"Jeon","sequence":"additional","affiliation":[{"name":"Department of Life Science, Chung-Ang University, Seoul 06974, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7336-920X","authenticated-orcid":false,"given":"Kyung Hyun","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Biological Sciences and Biotechnology, Hannam University, Jeonmin-dong, Yuseong-gu, Daejeon 34430, Republic of 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