Lichenicola cladoniae gen. nov., sp. nov., a member of the family Acetobacteraceae isolated from an Antarctic lichen

Noh, Hyun-Ju; Shin, Seung Chul; Park, Yerin; Choi, Jae‐Suk; Baek, Kiwoon; Hong, Soon Gyu; Cho, Yong-Joon; Choi, Yongrok; Lee, Yung Mi

doi:10.1099/ijsem.0.004495

Cited by 20 publications

(4 citation statements)

References 52 publications

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“…Novel is also the finding of a complete set of CBB genes in the family Acetobacteraceae (order Acetobacterales , class Alphaproteobacteria ). It has been previously reported that organisms in this family encode most of the enzymes required for the CBB, but no genetic evidence for a phosporibulokinase (PRK) was found ( 47 ). In contrast, we detected in MAG 3300005985_13 of this family a protein sequence for PRK I with a sequence similarity of 69.4% to the reference PRK I from Cereibacter sphaeroides .…”

Section: Resultsmentioning

confidence: 99%

Carbon fixation pathways across the bacterial and archaeal tree of life

2022

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Carbon fixation is a critical process for our planet, however, its distribution across the bacterial and archaeal domains of life has not been comprehensively studied. Here, we performed an analysis of 52,515 metagenome-assembled genomes (MAGs) and discover carbon fixation pathways in 1007 bacteria and archaea. We reveal the genomic potential for carbon fixation through the reverse tricarboxylic acid cycle in previously unrecognised archaeal and bacterial phyla (ie. Thermoplasmatota and Elusimicrobiota) and show that the 3-hydroxypropionate bi-cycle is not, as previously thought, restricted to the phylum Chloroflexota. The data also substantially expands the phylogenetic breadth for autotrophy through the dicarboxylate/4-hydroxybutyrate cycle and the Calvin-Benson-Bassham cycle. Finally, the genomic potential for carbon fixation through the 4-hydroxybutyrate/3-hydroxypropionate cycle, previously exclusively found in Archaea, was also detected in the Bacteria. Carbon fixation appears thus to be much more widespread than previously known and this study lays the foundation to better understand the role of archaea and bacteria in global primary production and how they contribute to microbial carbon sinks.

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Section: Resultsmentioning

confidence: 99%

Carbon fixation pathways across the bacterial and archaeal tree of life

2022

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“…Although Lichenihabitans minor tends to be associated with lichens, our detection of this species is not surprising, given the prevalence of lichens in the habitat of boreal mosses [75]. Lichenicola and Lichenicoccus , eponymously, are taxa that are associated with lichens, for example Lichenicola cladoniae has previously been found in Antarctic lichens [76]. Overall, through our analysis, we observed enrichments in several genera such as CAHJXF01 , CAHJXG01 , Methylobacteria , Lichenihabitans , and RH-AL1 spp.…”

Section: Resultsmentioning

confidence: 87%

Boreal moss-microbe interactions are revealed through metagenome assembly of novel bacterial species

Ishak

Faticov

Rondeau-Leclaire

et al. 2023

Preprint

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- Moss microbial communities play important roles for ecosystem processes in boreal forests. Host identity and leaf litter presence can affect microbial community structures of mosses. However, the extent to which host-specific characteristics and land use type affect taxonomic and functional profiles of microbial communities of boreal mosses is still poorly understood. - We used shotgun metagenomic sequencing to characterize microbial taxonomy and metabolic KEGG ortholog (KO) profiles between green and brown sections of five moss species across different natural sites, and two moss species between a natural site and a mine site in Eeyou Istchee, Quebec, Canada. - Our results demonstrate that the abundance of nitrogen metabolic genes differ between moss sections and that mosses from natural and mine environment associate with different microbial taxa and KO profiles. Importantly, conditions at the mine site appear to favor microbial taxa that can tolerate perturbated environments, including taxa that can oxidize sulfur and participate in biofilm formation. - Overall, our results highlight that moss section, moss species identity, and land-use type are strong drivers of diversity and community structure of moss-associated microbial taxa and metabolic genes. These findings could have major implications for boreal forests facing climate change and anthropogenic pressures

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“…[3] from a hot spring, which was taxonomically included in the family Acetobateraceae , order Rhodospirillales . Members of this family were discovered and isolated from various habitats, such as acidic mine drainage [4], acidic northern wetlands [5], sediment of shallow stream [6], Antarctic lichen [7], hot springs [8] and so on. At the time of writing, only one species, Caldovatus sediminis , with a validly published name has been documented on the LPSN website (www.bacterio.net).…”

Section: Full-textmentioning

confidence: 99%

Caldovatus aquaticus sp. nov., a moderately thermophilic bacterium isolated from hot spring microbial mat

Xian

et al. 2022

International Journal of Systematic and Evolutionary Microbiology

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Two closely related, aerobic, Gram-stain-negative, motile, oval-shaped, non-endospore-forming, moderately thermophilic bacteria, designated strains SYSU G05006T and SYSU G05005, were isolated from a bioreactor enrichment and the original sample was collected from Rehai National Park, Tengchong, Yunnan Province, PR China. The results of phylogenetic analysis based on the 16S rRNA gene sequences indicated that these two strains were closely related to Caldovatus sediminis YIM 72346T (96.75 and 96.89 % sequence similarity, respectively). The whole genome size of strain SYSU G05006T was 3.87 Mbp with a DNA G+C content of 75.33 mol%. The average nucleotide identity (ANI based on the MUMmer algorithm≤90.31 % and ANI based on blast≤89.36 %) and digital DNA–DNA hybridization (≤35.10 %) values between strain SYSU G05006T and other members of the family Acetobacteraceae were all lower than the threshold values recommended for distinguishing novel prokaryotic species. Optimal growth of the strain was observed at 55 °C and pH 6.0. Ubiquinone-10 was the predominant respiratory lipoquinone. The major cellular fatty acids included iso-C14 : 0, C16 : 1 ω5c, summed feature 5 and summed feature 7. The major polar lipids consisted of diphosphatidylglycerol, one unidentified aminolipid, phosphatidylglycerol, phosphatidylethanolamine, phosphatidylcholine, two unidentified phospholipids and two unidentified lipids. Based on results of phylogenetic analyses, comparative genomics and phenotypic characteristics, we describe a new species of the genus Caldovatus represented by strain SYSU G05006T (=KCTC 82831T=MCCC 1K06125T), for which we propose the name Caldovatus aquaticus sp. nov.

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Lichenicola cladoniae gen. nov., sp. nov., a member of the family Acetobacteraceae isolated from an Antarctic lichen

Cited by 20 publications

References 52 publications

Carbon fixation pathways across the bacterial and archaeal tree of life

Carbon fixation pathways across the bacterial and archaeal tree of life

Boreal moss-microbe interactions are revealed through metagenome assembly of novel bacterial species

Caldovatus aquaticus sp. nov., a moderately thermophilic bacterium isolated from hot spring microbial mat

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