Kyohei Kuroda
@kuroda-kyohei.bsky.social
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📥 26
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Microbial Ecology/Environmental microbiology/Biological wastewater treatment
Our work on Ca. Saccharimonadia bacteria is now published in Environmental Microbiology Reports led by S. Kagemasa! Metabolic Potential of Candidatus Saccharimonadia Including Rare Lineages in Activated Sludge
enviromicro-journals.onlinelibrary.wiley.com/doi/10.1111/...
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Metabolic Potential of Candidatus Saccharimonadia Including Rare Lineages in Activated Sludge
Candidatus Saccharimonadia is ubiquitously found in activated sludge processes, but its ecophysiological characteristics remain poorly understood. Metagenome analysis of Ca. Saccharimonadia in size-f....
https://enviromicro-journals.onlinelibrary.wiley.com/doi/10.1111/1758-2229.70231?af=R
7 days ago
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reposted by
Kyohei Kuroda
Hiro Imachi
2 months ago
Wow, our AEM paper on a new methane-oxidizing bacterium just got a Commentary! 🎉 Congrats Kambara-san—so happy to see the work getting recognized!
journals.asm.org/doi/10.1128/...
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Expansion of aerobic methanotrophy to the phylum of Actinomycetota and its environmental implications | Applied and Environmental Microbiology
The climate crisis is one of the most imminent threats to humanity and all life on our planet. Methane is not only the second most potent greenhouse gas (GHG) and is responsible for approximately 31% of GHG-induced global warming since the start of the industrial revolution (1) but is also the most rapid increasing GHG in the atmosphere (2). The latter is likely caused by increased microbiological production of methane from, e.g., wetlands (2). This fact stresses the importance of methanotrophic microbes that can degrade methane with and without oxygen (3, 4) and thereby fulfill a crucial role in our global climate.
https://journals.asm.org/doi/10.1128/aem.01334-25
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reposted by
Kyohei Kuroda
Hiro Imachi
4 months ago
“Isolation of a new methanotroph belonging to Mycobacterium” is now out! Awesome work by my former postdoc Hiromi Kambara, who led this project all the way.
journals.asm.org/doi/10.1128/...
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First isolation of a methanotrophic Mycobacterium reveals ammonia- and pH-tolerant methane oxidation | Applied and Environmental Microbiology
Methane is a significant contributor to climate change (27 times more potent as a greenhouse gas than carbon dioxide), and the largest biological sink is methane-oxidizing bacteria: methanotrophs. Alt...
https://journals.asm.org/doi/10.1128/aem.00796-25
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reposted by
Kyohei Kuroda
Cameron Thrash
5 months ago
Expanding ISME communications to taxonomy and nomenclature
academic.oup.com/ismecommun/a...
#jcampubs
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reposted by
Kyohei Kuroda
STCmicrobeblog
7 months ago
schaechter.asmblog.org/schaechter/2...
#MicroSky
#Archaea
#ArchaeaSky
#SymbioSky
add a skeleton here at some point
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reposted by
Kyohei Kuroda
Evgenii Protasov
8 months ago
Isolation of an anaerobic, thermophilic bacterium, Atrimonas thermophila gen. nov., sp. nov. of the class Atribacteria from a high-temperature gas reservoir in Japan
#microbiology
#taxonomy
#bacteria
www.sciencedirect.com/science/arti...
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reposted by
Kyohei Kuroda
Masaru Nobu
8 months ago
Our archaea-parasitizing bacterium Minisyncoccus archaeiphilus from Minisyncoccota/CPR/Patescibacteria featured as Microbe of the Month! Amazing culture and images
@kuroda-kyohei.bsky.social
microb.io/3XxK9w2
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New species found in the most unexpected places
Each month, the Microbiology Society publishes the<em> <a href="https://www.microbiologyresearch.org/content/journal/ijsem" rel="noreferrer noopener" target="_blank">International Journal of Systemati...
https://microb.io/3XxK9w2
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reposted by
Kyohei Kuroda
Masaru Nobu
9 months ago
New isolates from eukaryote's closest archaeal relative: ‘Hodarchaeales’!! Syntrophic microaerotolerant peptide-degrading anaerobic archaea w/ simple cell structure & protrusions. Features conserved across the phylum provide new insight into our ancestor’s biology!
www.biorxiv.org/content/10.1...
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Eukaryotes' closest relatives are internally simple syntrophic archaea
Eukaryotes are theorized to have originated from an archaeal phylum Promethearchaeota (formerly 'Asgard' archaea)1,2. The first cultured representatives revealed valuable insight3,4 but are distantly ...
https://www.biorxiv.org/content/10.1101/2025.02.26.640444v1
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reposted by
Kyohei Kuroda
Hiro Imachi
9 months ago
Isolated in just 3 years! (previously, 12 years). We obtained two strains from 'Hodarchaeales', proposed to be closest to our archaeal ancestor. Our analysis suggests the ancestor was an anaerobic, syntrophic, peptidotrophic, archaeon with a simple intracellular structure and possible aerotolerance.
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Eukaryotes' closest relatives are internally simple syntrophic archaea
Eukaryotes are theorized to have originated from an archaeal phylum Promethearchaeota (formerly 'Asgard' archaea)1,2. The first cultured representatives revealed valuable insight3,4 but are distantly ...
https://www.biorxiv.org/content/10.1101/2025.02.26.640444v1
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reposted by
Kyohei Kuroda
Trends in Microbiology
9 months ago
Composing a microbial symphony: synthetic communities for promoting plant growth
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Composing a microbial symphony: synthetic communities for promoting plant growth
Plant microbiomes are pivotal for host development, influencing growth, health, fitness, and evolution, and have emerged as promising resources for sustainable agriculture. However, leveraging these microbiomes to improve crop yield and resilience is…
http://dlvr.it/TJ2MMG
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reposted by
Kyohei Kuroda
Microbiology Society
9 months ago
Researchers have isolated an ultrasmall bacterium belonging to a large phylogenetic group that includes various lineages of uncultivated bacteria — the CPR. Read the press release on the research, published in
#IJSEM
, here
https://microb.io/4hBcCt6
🔬
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A novel bacteria parasitizing archaea
13 February 2025
https://microb.io/4hBcCt6
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reposted by
Kyohei Kuroda
Mitsuo Sakamoto
9 months ago
Our article reached over 60 citations. Microbial interaction between the succinate‐utilizing bacterium Phascolarctobacterium faecium and the gut commensal Bacteroides thetaiotaomicron - Ikeyama - 2020 -
onlinelibrary.wiley.com/doi/10.1002/...
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Microbial interaction between the succinate‐utilizing bacterium Phascolarctobacterium faecium and the gut commensal Bacteroides thetaiotaomicron
Succinate production by Bacteroides thetaiotaomicron supported the growth of Phascolarctobacterium faecium and concomitant propionate production via the succinate pathway. We analyzed the transcripti....
https://onlinelibrary.wiley.com/doi/10.1002/mbo3.1111#
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reposted by
Kyohei Kuroda
Mitsuo Sakamoto
9 months ago
Faecalibacterium prausnitzii strain A2-165 has already been reclassified as Faecalibacterium duncaniae. Our article reached over 45 citations.
www.microbiologyresearch.org/content/jour...
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Genome-based, phenotypic and chemotaxonomic classification of Faecalibacterium strains: proposal of three novel species Faecalibacterium duncaniae sp. nov., Faecalibacterium hattorii sp. nov. and Faec...
Faecalibacterium prausnitzii is one of the most important butyrate-producing bacteria in the human gut. Previous studies have suggested the presence of several phylogenetic groups, with differences at...
https://www.microbiologyresearch.org/content/journal/ijsem/10.1099/ijsem.0.005379?utm_campaign=shareaholic&utm_medium=twitter&utm_source=socialnetwork#
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reposted by
Kyohei Kuroda
Mitsuo Sakamoto
9 months ago
Great to see our latest paper on new species published in
#IJSEM
: Four species were isolated from a fecal sample in a patient with Parkinson’s disease with a history of duodenal resection:
www.microbiologyresearch.org/content/jour...
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Desulfovibrio falkowii sp. nov., Porphyromonas miyakawae sp. nov., Mediterraneibacter flintii sp. nov. and Owariibacterium komagatae gen. nov., sp. nov., isolated from human faeces
Small, obligately anaerobic strains 13CB8CT, 13CB11CT, 13CB18CT and 13GAM1GT were isolated from a faecal sample in a patient with Parkinson’s disease with a history of duodenal resection. After conduc...
https://www.microbiologyresearch.org/content/journal/ijsem/10.1099/ijsem.0.006636#
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未知バクテリアの巨大系統群「CPR/Patescibacteria」に属し、アーキアに寄生する超微小バクテリアの培養に成功しました。 さらにそのバクテリアが属するCPRを新門Minisyncoccota門として提案しました!日本語のプレス記事もご覧ください。
www.aist.go.jp/aist_j/press...
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産総研:メタン生成アーキアに寄生するバクテリア
https://www.aist.go.jp/aist_j/press_release/pr2025/pr20250211/pr20250211.html
9 months ago
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Delighted to share our latest study on the first successful isolation of CPR bacteria parasitizing archaea! We propose taxonomic classification for a massively diverse of bacteria, including the novel phylum Minisyncoccota
@microbiologysociety.org
www.microbiologyresearch.org/content/jour...
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Minisyncoccus archaeiphilus gen. nov., sp. nov., a mesophilic, obligate parasitic bacterium and proposal of Minisyncoccaceae fam. nov., Minisyncoccales ord. nov., Minisyncoccia class. nov. and Minisyn...
In the domain Bacteria, one of the largest, most diverse and environmentally ubiquitous phylogenetic groups, Candidatus Patescibacteria (also known as candidate phyla radiation/CPR), remains poorly ch...
https://www.microbiologyresearch.org/content/journal/ijsem/10.1099/ijsem.0.006668
9 months ago
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reposted by
Kyohei Kuroda
Hiro Imachi
9 months ago
New bacterial phylum Minisyncoccota (formerly Ca. Patescibacteria or CPR) in the kingdom Bacillati. Congratulations, Kuroda-san, Narihiro-san, and Nobu (
@masarunobu.bsky.social
)!
www.microbiologyresearch.org/content/jour...
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Minisyncoccus archaeiphilus gen. nov., sp. nov., a mesophilic, obligate parasitic bacterium and proposal of Minisyncoccaceae fam. nov., Minisyncoccales ord. nov., Minisyncoccia class. nov. and Minisyn...
In the domain Bacteria, one of the largest, most diverse and environmentally ubiquitous phylogenetic groups, Candidatus Patescibacteria (also known as candidate phyla radiation/CPR), remains poorly ch...
https://www.microbiologyresearch.org/content/journal/ijsem/10.1099/ijsem.0.006668#
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