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Biology and Biochemistry

D-Index
54
Citations
9706
World Ranking
15708
National Ranking
1118

Overview

Hiroyuki Imachi is affiliated with the Japan Agency for Marine-Earth Science and Technology in Japan. Their research focuses on environmental science and biochemistry, genetics, and molecular biology, with a substantial number of publications in related fields. The primary subfields of study include molecular biology, ecology, environmental chemistry, geology, and mechanics of materials.

The scientist's work explores various topics such as microbial community ecology and physiology, methane hydrates and related phenomena, genomics and phylogenetic studies, geological and geophysical studies, hydrocarbon exploration and reservoir analysis, protist diversity and phylogeny, and enzyme structure and function.

Frequent coauthors of Hiroyuki Imachi include Yuki Morono, Miyuki Ogawara, Masanori Kaneko, Fumio Inagaki, and Masaru K. Nobu. Their collaborations are indicative of integrated research efforts within the domain of marine and molecular science.

Hiroyuki Imachi has published in several notable venues. Frequent publication outlets are:

  • Publishing Network for Geoscientific and Environmental Data (PANGAEA) (Alfred Wegener Institute for Polar and Marine Research)
  • INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
  • Progress in Earth and Planetary Science
  • Nature
  • Science

Significant recent publications include:

  • Isolation of an archaeon at the prokaryote-eukaryote interface (2020, Nature)
  • Temperature limits to deep subseafloor life in the Nankai Trough subduction zone (2020, Science)
  • The origin and evolution of methanogenesis and Archaea are intertwined (2023, PNAS Nexus)
  • Promethearchaeum syntrophicum gen. nov., sp. nov., an anaerobic, obligately syntrophic archaeon, the first isolate of the lineage 'Asgard' archaea, and proposal of the new archaeal phylum Promethearchaeota phyl. nov. and kingdom Promethearchaeati regn. nov. (2024, INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY)
  • Eukaryotes' closest relatives are internally simple syntrophic archaea (2025, bioRxiv (Cold Spring Harbor Laboratory))

Best Publications

  • Anaerolinea thermolimosa sp. nov., Levilinea saccharolytica gen. nov., sp. nov. and Leptolinea tardivitalis gen. nov., sp. nov., novel filamentous anaerobes, and description of the new classes Anaerolineae classis nov. and Caldilineae classis nov. in the bacterial phylum Chloroflexi.

    Takeshi Yamada;Takeshi Yamada;Yuji Sekiguchi;Yuji Sekiguchi;Satoshi Hanada;Hiroyuki Imachi

  • Isolation of an archaeon at the prokaryote–eukaryote interface

    Hiroyuki Imachi;Masaru K. Nobu;Nozomi Nakahara;Nozomi Nakahara;Nozomi Nakahara;Yuki Morono

  • Bellilinea caldifistulae gen. nov., sp. nov. and Longilinea arvoryzae gen. nov., sp. nov., strictly anaerobic, filamentous bacteria of the phylum Chloroflexi isolated from methanogenic propionate-degrading consortia.

    Takeshi Yamada;Takeshi Yamada;Hiroyuki Imachi;Hiroyuki Imachi;Akiyoshi Ohashi;Hideki Harada;Hideki Harada

  • Exploring deep microbial life in coal-bearing sediment down to ~2.5 km below the ocean floor

    Fumio Inagaki;Kai-Uwe Hinrichs;Y Kubo;M W Bowles

  • Methanocella paludicola gen. nov., sp. nov., a methane-producing archaeon, the first isolate of the lineage 'Rice Cluster I', and proposal of the new archaeal order Methanocellales ord. nov.

    Sanae Sakai;Hiroyuki Imachi;Hiroyuki Imachi;Satoshi Hanada;Akiyoshi Ohashi;Akiyoshi Ohashi

  • Diversity, Localization, and Physiological Properties of Filamentous Microbes Belonging to Chloroflexi Subphylum I in Mesophilic and Thermophilic Methanogenic Sludge Granules

    Takeshi Yamada;Takeshi Yamada;Yuji Sekiguchi;Yuji Sekiguchi;Hiroyuki Imachi;Yoichi Kamagata;Yoichi Kamagata

  • Pelotomaculum thermopropionicum gen. nov., sp. nov., an anaerobic, thermophilic, syntrophic propionate-oxidizing bacterium.

    Hiroyuki Imachi;Yuji Sekiguchi;Yoichi Kamagata;Satoshi Hanada

  • Methanolinea tarda gen. nov., sp. nov. a methane-producing archaeon isolated from a methanogenic digester sludge

    Hiroyuki Imachi;Sanae Sakai;Yuji Sekiguchi;Yuji Sekiguchi;Satoshi Hanada

  • Effective partial nitrification to nitrite by down-flow hanging sponge reactor under limited oxygen condition

    Hui Ping Chuang;Akiyoshi Ohashi;Hiroyuki Imachi;Madan Tandukar

  • Non-sulfate-reducing, syntrophic bacteria affiliated with desulfotomaculum cluster I are widely distributed in methanogenic environments.

    Hiroyuki Imachi;Yuji Sekiguchi;Yuji Sekiguchi;Yoichi Kamagata;Yoichi Kamagata;Alexander Loy

  • Cultivation and In Situ Detection of a Thermophilic Bacterium Capable of Oxidizing Propionate in Syntrophic Association with Hydrogenotrophic Methanogens in a Thermophilic Methanogenic Granular Sludge

    Hiroyuki Imachi;Yuji Sekiguchi;Yoichi Kamagata;Akiyoshi Ohashi

  • Isolation of Key Methanogens for Global Methane Emission from Rice Paddy Fields: a Novel Isolate Affiliated with the Clone Cluster Rice Cluster I

    Sanae Sakai;Hiroyuki Imachi;Hiroyuki Imachi;Yuji Sekiguchi;Yuji Sekiguchi;Akiyoshi Ohashi

  • Thermodesulfovibrio aggregans sp. nov. and Thermodesulfovibrio thiophilus sp. nov., anaerobic, thermophilic, sulfate-reducing bacteria isolated from thermophilic methanogenic sludge, and emended description of the genus Thermodesulfovibrio.

    Yuji Sekiguchi;Mizuho Muramatsu;Hiroyuki Imachi;Takashi Narihiro

  • Cultivation of methanogenic community from subseafloor sediments using a continuous-flow bioreactor

    Hiroyuki Imachi;Ken Aoi;Ken Aoi;Eiji Tasumi;Yumi Saito

  • Methanolinea Mesophila Sp. Nov., A Hydrogenotrophic Methanogen Isolated From Rice Field Soil, And Proposal Of The Archaeal Family Methanoregulaceae Fam. Nov. Within The Order Methanomicrobiales

    Sanae Sakai;Masayuki Ehara;Masayuki Ehara;I-Cheng Tseng;Takashi Yamaguchi

  • Pelotomaculum terephthalicum sp. nov. and Pelotomaculum isophthalicum sp. nov : two anaerobic bacteria that degrade phthalate isomers in syntrophic association with hydrogenotrophic methanogens

    Yan-Ling Qiu;Yuji Sekiguchi;Yuji Sekiguchi;Satoshi Hanada;Hiroyuki Imachi

  • Identification and Cultivation of Anaerobic, Syntrophic Long-Chain Fatty Acid-Degrading Microbes from Mesophilic and Thermophilic Methanogenic Sludges

    Masashi Hatamoto;Hiroyuki Imachi;Hiroyuki Imachi;Akiyoshi Ohashi;Hideki Harada;Hideki Harada

  • Methanoregula formicica sp. nov., a methane-producing archaeon isolated from methanogenic sludge.

    Yuto Yashiro;Sanae Sakai;Masayuki Ehara;Masayuki Ehara;Masayuki Miyazaki

  • Improved in situ hybridization efficiency with locked-nucleic-acid-incorporated DNA probes.

    Kengo Kubota;Akiyoshi Ohashi;Hiroyuki Imachi;Hiroyuki Imachi;Hideki Harada

  • Pelotomaculum propionicicum sp. nov., an anaerobic, mesophilic, obligately syntrophic, propionate-oxidizing bacterium.

    Hiroyuki Imachi;Hiroyuki Imachi;Sanae Sakai;Akiyoshi Ohashi;Hideki Harada;Hideki Harada

Frequent Co-Authors

Akiyoshi Ohashi
Akiyoshi Ohashi Hiroshima University
Hideki Harada
Hideki Harada Tohoku University
Yoichi Kamagata
Yoichi Kamagata National Institute of Advanced Industrial Science and Technology
Ken Takai
Ken Takai Japan Agency for Marine-Earth Science and Technology
Yuji Sekiguchi
Yuji Sekiguchi National Institute of Advanced Industrial Science and Technology
Fumio Inagaki
Fumio Inagaki Japan Agency for Marine-Earth Science and Technology
Yuki Morono
Yuki Morono Japan Agency for Marine-Earth Science and Technology
Takuro Nunoura
Takuro Nunoura Japan Agency for Marine-Earth Science and Technology
Naohiko Ohkouchi
Naohiko Ohkouchi Japan Agency for Marine-Earth Science and Technology
Yusuke Yokoyama
Yusuke Yokoyama University of Tokyo

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