A sulfate-reducing bacterial genus, Desulfosediminicola gen. nov., comprising two novel species cultivated from tidal-flat sediments

Tidal-flat sediments harbor a diverse array of sulfate-reducing bacteria. To isolate novel sulfate-reducing bacteria and determine their abundance, a tidal-flat sediment sample collected off Ganghwa Island (Korea) was investigated using cultivation-based and culture-independent approaches. Two Gram-...

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Veröffentlicht in:	Scientific reports 2021-10, Vol.11 (1), p.19978-13, Article 19978
Hauptverfasser:	Song, Jaeho, Hwang, Juchan, Kang, Ilnam, Cho, Jang-Cheon
Format:	Artikel
Sprache:	eng
Schlagworte:	631/326 631/553 Acetic acid Amino acids Bacteria Carbon sources Citric acid Deltaproteobacteria - classification Deltaproteobacteria - genetics Deltaproteobacteria - ultrastructure Deoxyribonucleic acid DNA DNA, Bacterial - analysis Genome, Bacterial Genomes Geologic Sediments - microbiology Humanities and Social Sciences Hybridization Iron Menaquinones multidisciplinary New species Quinones Republic of Korea RNA, Ribosomal, 16S - genetics rRNA 16S Science Science (multidisciplinary) Sediment samplers Sediments Species Specificity Strains (organisms) Sulfate reduction Sulfate-reducing bacteria Sulfates Sulfates - metabolism Sulfite Sulfur Vitamin K 2 - metabolism
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Zusammenfassung:	Tidal-flat sediments harbor a diverse array of sulfate-reducing bacteria. To isolate novel sulfate-reducing bacteria and determine their abundance, a tidal-flat sediment sample collected off Ganghwa Island (Korea) was investigated using cultivation-based and culture-independent approaches. Two Gram-stain-negative, strictly anaerobic, rod-shaped, sulfate-reducing bacteria, designated IMCC35004 T and IMCC35005 T , were isolated from the sample. The two strains reduced sulfate, sulfite, elemental sulfur, thiosulfate, Fe(III) citrate, and Mn(IV) oxide by utilizing several carbon sources, including acetate. The 16S rRNA gene amplicon sequencing revealed that the tidal-flat sediment contained diverse members of the phylum Desulfobacterota , and the phylotypes related to IMCC35004 T and IMCC35005 T were
ISSN:	2045-2322 2045-2322
DOI:	10.1038/s41598-021-99469-5