Author

T. Nunoura

Listed by name: these papers carry no ORCID for this author, so different people with the same name may be mixed together.

Biology Disciplines

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Microbiology· 9 Biochemistry· 1 Evolutionary Biology· 1

Signature Assays, Organisms & Methods

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Approach:experimental assay· 7 Assay:metagenomics· 7 Research Focus:cell type annotation· 6 Approach:statistical model· 4 Organism:bacteria (other)· 3 Research Focus:gene regulatory network inference· 3 Research Focus:clustering· 2 Assay:bulk RNA-seq· 1

Frequent Co-Authors

M. Hirai· 5 shared Y. Takaki· 4 shared S. Hiraoka· 3 shared S.-i. Urayama· 3 shared T. Sumida· 3 shared E. V. Koonin· 2 shared H. Nomaki· 2 shared M. Krupovic· 2 shared

Activity by Year

2019-2023 · peak 4/yr

Co-Author Collaboration Network

10 top collaborators · 18 mutual co-author links

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5 shared papersMicrobiology

M. Hirai

Mutual co-authors in cluster

Author profile →

11 papers

Recent·Most cited

Development of a rapid and highly accurate method for 13C tracer-based metabolomics and its application on a hydrogenotrophic methanogen

Y. Fukuyama, S. Shimamura, S. Sakai, Y. Michimori, T. Sumida, Y. Chikaraishi, H. Atomi, T. Nunoura

The paper develops a CE-MS method for 13C tracer-based metabolomics and applies it to identify central carbon metabolism and amino acid biosynthesis in a methanogen.

bioRxiv · Aug 31, 2023 · PreprintMicrobiology

Genetic and functional diversity of beta-N-acetylgalactosamine residue-targeting glycosidases expanded by deep-sea metagenome

T. Sumida, S. Hiraoka, K. Usui, A. Ishiwata, T. Sengoku, K. A. Stubbs, K. Tanaka, S. Deguchi, S. Fushinobu, T. Nunoura

This study identifies and characterizes novel beta-N-acetylgalactosaminidases from deep-sea metagenomes, revealing structural diversity and substrate specificity expansion.

bioRxiv · Jul 28, 2023Biochemistry

Distinct groups of RNA viruses associated with thermoacidophilic bacteria

S.-i. Urayama, A. Fukudome, M. Hirai, T. Okumura, Y. Nishimura, Y. Takaki, N. Kurosawa, E. V. Koonin, M. Krupovic, T. Nunoura

The paper identifies two new groups of RNA viruses associated with thermoacidophilic bacteria in acidic hot springs and other environments.

bioRxiv · Jul 2, 2023Microbiology

Inference and reconstruction of the heimdallarchaeial ancestry of eukaryotes

L. Eme, D. Tamarit, E. F. Caceres, C. Stairs, V. de Anda, M.-E. Schon, K. Seitz, N. Dombrowski, W. H. Lewis, J. H. Saw, F. Homa, J. Lombard, T. Nunoura, W.-J. Li, Z.-S. Hua, , T. J. G. Ettema

The paper reconstructs the evolutionary ancestry of eukaryotes by analyzing Asgard archaea phylogenetic data and infers the last common ancestor of Asgard archaea and eukaryotes as a thermophilic chemolithotroph.

bioRxiv · Mar 7, 2023Evolutionary Biology

NeoRdRp: A comprehensive dataset for identifying RNA-dependent RNA polymerase of various RNA viruses from metatranscriptomic data

S. Sakaguchi, S.-i. Urayama, Y. Takaki, K. Hirosuna, H. Wu, Y. Suzuki, T. Nunoura, T. Nakano, S. Nakagawa

The paper introduces NeoRdRp, a dataset of RNA-dependent RNA polymerase (RdRp) HMM profiles for identifying RNA viruses from metatranscriptomic data, showing improved detection compared to existing methods.

bioRxiv · Dec 31, 2021Microbiology

Sequestration and efflux largely account for cadmium and copper resistance in the deep sea epsilonproteobacterium Nitratiruptor sp. SB155 2

A. Ares, S. Sakai, T. Sasaki, S. Mitarai, T. Nunoura

This study investigates metal resistance mechanisms in Nitratiruptor sp. SB155-2 by analyzing transcriptomic and morphological responses to cadmium and copper stress.

bioRxiv · Sep 6, 2021 · PreprintMicrobiology

Viruses of Asgard archaea

S. Medvedeva, J. Sun, N. Yutin, E. V. Koonin, T. Nunoura, C. Rinke, M. Krupovic

This study identifies three new viral families associated with Asgard archaea in deep-sea sediments, showing they are prokaryotic-like viruses with no clear evolutionary link to eukaryotic viruses.

bioRxiv · Jul 29, 2021 · PreprintMicrobiology

Diverse DNA modification in marine prokaryotic and viral communities

S. Hiraoka, T. Sumida, M. Hirai, A. Toyoda, S. Kawagucci, T. Yokokawa, T. Nunoura

The paper identifies diverse DNA modifications in marine prokaryotic and viral communities using metaepigenomic analysis and reveals novel MTase-motif pairs and conserved motifs in Alphaproteobacteria.

bioRxiv · May 8, 2021Microbiology

Genomes of Thaumarchaeota from deep sea sediments reveal specific adaptations of three independently evolved lineages

M. Kerou, R. I. Ponce-Toledo, R. Zhao, S. S. Abby, M. Hirai, H. Nomaki, Y. Takaki, T. Nunoura, S. L. Jorgensen, C. Schleper

The paper presents 11 metagenome-assembled genomes of ammonia oxidizing archaea from marine sediments, revealing three independently evolved lineages with specific adaptations to deep-sea conditions.

bioRxiv · Jun 24, 2020Microbiology

Microbial community and geochemical analyses of trans-trench sediments for understanding the roles of hadal environments

S. Hiraoka, M. Hirai, Y. Matsui, A. Makabe, H. Minegishi, M. Tsuda, J. Juliarni, E. Rastelli, R. Danovaro, C. Corinaldesi, T. Kitahashi, E. Tasumi, M. Nishizawa, K. Takai, H. Nomaki, T. Nunoura

The paper analyzes microbial communities and geochemistry in hadal trench sediments to understand microbial distribution and ecological drivers.

bioRxiv · Aug 8, 2019Microbiology

Bottleneck Size-Dependent Changes in the Genetic Diversity and Specific Growth Rate of a Rotavirus A Strain

S.-s. Kadoya, S.-i. Urayama, T. Nunoura, M. Hirai, Y. Takaki, M. Kitajima, T. Nakagomi, O. Nakagomi, S. Okabe, O. Nishimura, D. Sano

This study examines how different bottleneck sizes affect genetic diversity and growth rate in a rotavirus A strain during serial passage, finding increased diversity and growth rate under stronger bottlenecks.

bioRxiv · Jul 13, 2019Microbiology