Molecular diversity of green-colored microbial mats from hot springs of northern Japan.
Chlorobiota
Cyanobacteria
Geyser
MAGs
Microbial mat
Phototrophy
Journal
Extremophiles : life under extreme conditions
ISSN: 1433-4909
Titre abrégé: Extremophiles
Pays: Germany
ID NLM: 9706854
Informations de publication
Date de publication:
31 Aug 2024
31 Aug 2024
Historique:
received:
06
06
2024
accepted:
20
08
2024
medline:
1
9
2024
pubmed:
1
9
2024
entrez:
31
8
2024
Statut:
epublish
Résumé
We acquired and analyzed metagenome and 16S/18S rRNA gene amplicon data of green-colored microbial mats from two hot springs within the Onikobe geothermal region (Miyagi Prefecture, Japan). The two collection sites-Tamago and Warabi-were in proximity and had the same temperature (40 °C), but the Tamago site was connected to a nearby stream, whereas the Warabi site was isolated. Both the amplicon and metagenome data suggest the bacterial, especially cyanobacterial, dominance of the mats; other abundant groups include Chloroflexota, Pseudomonadota, Bacteroidota/Chlorobiota, and Deinococcota. At finer resolution, however, the taxonomic composition entirely differed between the mats. A total of 5 and 21 abundant bacterial 16S rRNA gene OTUs were identified for Tamago and Warabi, respectively; of these, 12 are putative chlorophyll- or rhodopsin-based phototrophs. The presence of phylogenetically diverse microbial eukaryotes was noted, with ciliates and amoebozoans being the most abundant eukaryote groups for Tamago and Warabi, respectively. Fifteen metagenome-assembled genomes (MAGs) were obtained, represented by 13 bacteria, one ciliate (mitochondrion), and one giant virus. A total of 15 novel taxa, including a new deeply branching Chlorobiota species, is noted from the amplicon and MAG data, highlighting the importance of environmental sequencing in uncovering hidden microorganisms.
Identifiants
pubmed: 39217229
doi: 10.1007/s00792-024-01358-y
pii: 10.1007/s00792-024-01358-y
doi:
Substances chimiques
RNA, Ribosomal, 16S
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
43Subventions
Organisme : Japan Society for the Promotion of Science
ID : KAKENHI 17H05713
Organisme : Japan Society for the Promotion of Science
ID : 19H04713
Organisme : Division of Integrative Organismal Systems
ID : CAREER 1453639
Informations de copyright
© 2024. The Author(s), under exclusive licence to Springer Nature Japan KK.
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