事務手続書類 原著論文: Original articles

（*は責任著者: Corresponding author）, 論文はe-JournalのAbstractにリンクを張ってあります。Full TXTまで見られるものもあります。

2023年

  1. Takahashi K.* , Kuwahara H., Horikawa Y., Izawa K., Kato D., Inagaki T., Yuki M., Ohkuma M., Hongoh Y.*  (2023) Emergence of putative energy parasites within Clostridia revealed by genome analysis of a novel endosymbiotic clade.  The ISME Journal 17 (11): 1895–1906. doi: https://doi.org/10.1038/s41396-023-01502-0
  2. Thompson J. , Barr C., Babcock-Adams L.C., Bird L., Eugenio L., Garber A., Hongoh Y., Liu M., Nealson K.H., Okamoto A., Repeta D., Suzuki S., Tacto C., Tashjian M., Merino N.* (2023) Insights into the physiological and genomic characterization of three bacterial isolates from a highly alkaline, terrestrial serpentinizing system. Frontiers in Microbiology 14: e1179857. doi: https://doi.org/10.3389/fmicb.2023.1179857

2022年

  1. Aoki Y.*, Yuki M., Shimizu M., Hongoh Y., Ohkuma M.*, Yamagata Y.(2022) Agarose gel microcapsules enable easy-to-prepare, picolitre-scale, single-cell genomics, yielding high-coverage genome sequences. Scientific Reports 12(1):e17014. doi: 10.1038/s41598-022-20923-z.
  2. Kinjo Y.*, Bourguignon T., Hongoh Y., Lo N., Tokuda G., Ohkuma M. (2022) Coevolution of metabolic pathways in Blattodea and their Blattabacterium endosymbionts, and comparisons with other insect-bacteria symbioses. Microbiology Spectrum 10(5):e0277922. doi: 10.1128/spectrum.02779-22.
  3. Nualkul M., Yuangsoi B., Hongoh Y., Yamada A., Deevong P.* (2022) Improving nutritional value and bioactivity of soybean meal in solid-state fermentation using Bacillus strains newly isolated from the gut of the termite Termes propinquus. FEMS Microbiology Letters 369(1):fnac044. doi: 10.1093/femsle/fnac044.
  4. Igai K.*, Kitade O., Fu J., Omata K., Yonezawa T., Ohkuma M., Hongoh Y.* (2022) Fine-scale genetic diversity and putative ecotypes of oxymonad protists coinhabiting the hindgut of Reticulitermes speratus. Molecular Ecology 31:1317-1331. doi:10.1111/mec.16309.

 

2020年

  1. Takeuchi M., Kuwahara H.*, Murakami T., Takahashi K., Kajitani R., Toyoda A., Itoh T., Ohkuma M., Hongoh Y.* (2020) Parallel reductive genome evolution in Desulfovibrio ectosymbionts independently acquired by Trichonympha protists in the termite gut. The ISME Journal 14:2288-2301. doi: https://doi.org/10.1038/s41396-020-0688-1
  2. Merino N.*, Kawai M., Boyd E.S., Colman D.R., McGlynn S.E., Nealson K., Kurokawa K., Hongoh Y.* (2020) Single-cell genomics of novel actinobacteria with the Wood-Ljungdahl pathway discovered in a serpentinizing system. Frontiers in Microbiology 11: e1031. doi: https://doi.org/10.3389/fmicb.2020.01031  
  3. Bourguignon T.*, Kinjo Y.*, Villa-Martín P., Coleman N.V., Tang Q., Arab D.A., Wang Z., Tokuda G., Hongoh Y., Ohkuma M., Ho S.Y.W., Pigolotti S., Lo N.* (2020) Increased mutation rate is linked to genome reduction in prokaryotes. Current Biology 30:3848-3855. doi: https://doi.org/10.1016/j.cub.2020.07.034  

 

2019年

  1. Utami Y.D., Kuwahara H., Igai K., Murakami T., Sugaya K., Morikawa T., Nagura Y., Yuki M., Deevong P., Inoue T., Kihara K., Lo N., Yamada A., Ohkuma M., Hongoh Y.* (2019) Genome analyses of uncultured TG2/ZB3 bacteria in ‘Margulisbacteria’ specifically attached to ectosymbiotic spirochetes of protists in the termite gut. The ISME Journal 13(2):455–467 doi: https://doi.org/10.1038/s41396-018-0297-4  online published (Oct 4, 2018)  [free full text]
  2. Murakami T., Onouchi S., Igai K., Ohkuma M., Hongoh Y.* (2019) Ectosymbiotic bacterial microbiota densely colonize the surface of thelastomatid nematodes in the gut of the wood-feeding cockroach Panesthia angustipennis. FEMS Microbiology Ecology 95(2):fiy238   doi:  https://doi.org/10.1093/femsec/fiy238  online published (Dec 18, 2018)  [free full text]

 

2018年

  1. Utami Y.D., Kuwahara H., Murakami T., Morikawa T., Sugaya K., Kihara K., Yuki M., Lo N., Deevong P., Hasin S., Boonriam W., Inoue T., Yamada A., Ohkuma M., Hongoh Y.* (2018) Phylogenetic diversity and single-cell genome analysis of "Melainabacteria", a non-photosynthetic cyanobacterial group, in the termite gut. Microbes and Environments 33(1):50–57 doi: 10.1264/isme2.ME17137
  2. Kinjo Y., Bourguignon T., Tong K.J., Kuwahara H., Lim S.J., Shigenobu S., Park Y.C., Nalepa C.A., Hongoh Y., Ohkuma M., Lo N., Tokuda G.* (2018) Parallel and gradual genome erosion in the Blattabacterium endosymbionts of Mastotermes darwiniensis and Cryptocercus wood roaches. Genome Biology and Evolution 10(6):1622–1630  doi: 10.1093/gbe/evy110
  3. Murakami T.*, Segawa T., Takeuchi N., Sepulveda G.B., Labarca P., Kohshima S., Hongoh Y. (2018) Metagenomic analyses highlight the symbiotic association between the glacier stonefly Andiperla willinki and its bacterial gut community. Environmental Microbiology 20(11): 4170–4183  doi: 10.1111/1462-2920.14420  online published (Sep 24, 2018)   Selected for the journal cover（雑誌の表紙に選出）
  4. Nishiyama E.*, Higashi K., Mori H., Suda K., Nakamura H., Omori S., Maruyama S., Hongoh Y., Kurokawa K. (2018) The relationship between microbial community structures and environmental parameters revealed by metagenomic analysis of hot spring water in the Kirishima area, Japan. Frontiers in Bioengineering and Biotechnology  6:e202  doi: https://doi.org/10.3389/fbioe.2018.00202

 

2017年

  1. Yonezawa T., Segawa T., Mori H., Campos P.F., Hongoh Y., Endo H., Akiyoshi A., Kohno N., Nishida S., Wu J., Jin H., Adachi J., Kishino H., Kurokawa K., Nogi Y., Tanabe H., Mukoyama H., Yoshida K., Rasoamiaramanana A., Yamagishi S., Hayashi Y., Yoshida A., Koike H., Akishinonomiya F., Willerslev E.*, Hasegawa M.* (2017) Phylogenomics and morphology of extinct paleognaths reveal the origin and evolution of the ratites. Current Biology 27(1):68–77 doi:http://dx.doi.org/10.1016/j.cub.2016.10.029 
  2. Kuwahara H., Yuki M., Izawa K., Ohkuma M., Hongoh Y.* (2017) Genome of ‘Ca. Desulfovibrio trichonymphae’, an H2-oxidizing bacterium in a tripartite symbiotic system within a protist cell in the termite gut. The ISME Journal 11(3):766–776 doi:10.1038/ismej.2016.143; published online 1 November 2016  
  3. Murakami T.*, Segawa T., Dial R., Takeuchi N., Kohshima S., Hongoh Y. (2017) Bacterial microbiota associated with the glacier ice worm is dominated by both worm-specific and glacier-derived facultative lineages. Microbes and Environments 32(1):32–39 doi: 10.1264/jsme2.ME16158
  4. Pramono A.K., Kuwahara H., Itoh T., Toyoda A., Yamada A., Hongoh Y.* (2017) Discovery and complete genome sequence of a bacteriophage from an obligate intracellular symbiont of a cellulolytic protist in the termite gut. Microbes and Environments 32(2):112–117 doi.org/10.1264/jsme2.ME16175
  5. Izawa K., Kuwahara H., Sugaya K., Lo N., Ohkuma M., Hongoh Y.* (2017) Discovery of ectosymbiotic Endomicrobium lineages associated with protists in the gut of stolotermitid termites.  Environmental Microbiology Reports 9(4):411–418 doi: 10.1111/1758-2229.12549. Epub 2017 Jun 27. 　Selected for the journal cover of 2018 （写真が2018年の雑誌の表紙に選出）
  6. Yuki M.*, Sakamoto M., Kuwahara H., Hongoh Y., Ohkuma M. (2017) Draft genome sequence of Lactococcus sp. strain Rs-Y01, isolated from the gut of the lower termite Reticulitermes speratus. Genome Announcements 5(38):e00999-17 doi: 10.1128/genomeA.00999-17

 

2016年

  1. Zheng H., Dietrich C., Hongoh Y., Brune A.* (2016) Restriction-modification systems as mobile genetic elements in the evolution of an intracellular symbiont. Molecular Biology and Evolution 3(3):721–725 doi: 10.1093/molbev/msv264
  2. Igai K.*, Itakura M., Nishijima S., Tsurumaru H., Suda W., Tsutaya T., Tomitsuka E., Tadokoro K., Baba J., Odani S., Natsuhara K., Morita A., Yoneda M., Greenhill A.R., Horwood P.F., Inoue J., Ohkuma M., Hongoh Y., Yamamoto T., Siba P.M., Hattori M., Minamisawa K., Umezaki M. (2016) Nitrogen fixation and nifH diversity in human gut microbiota. Scientific Reports 6:e31932 doi: 10.1038/srep31942
  3. Izawa K., Kuwahara H., Kihara K., Yuki M., Lo N., Itoh T., Ohkuma M., Hongoh Y.* (2016) Comparison of intracellular “Ca. Endomicrobium trichonymphae” genomovars illuminates the requirement and decay of defense systems against foreign DNA. Genome Biology and Evolution 8(10):3099–3107 doi: 10.1093/gbe/evw227
  4. Mogi K., Shirataki C., Kihara K., Kuwahara H., Hongoh Y., Yamamoto T.* (2016 ) Trapping and isolation of single prokaryotic cells in a micro-chamber array using dielectrophoresis. RSC Advances 6: 113000–113006 doi: 10.1039/C6RA21229H

 

2015年

  1. Pramono A.K., Sakamoto M.*, Iino T., Hongoh Y., Ohkuma M. (2015) Dysgonomonas termitidis sp. nov., isolated from the gut of the subterranean termite Reticulitermes speratus. International Journal of Systematic and Evolutionary Microbiology 65(Pt2):681–685
  2. Inoue J., Oshima K., Suda W., Sakamoto M., Iino T., Noda S., Hongoh Y., Hattori M., Ohkuma M.* (2015) Distribution and evolution of nitrogen fixation genes in the phylum Bacteroidetes. Microbes and Environments 30(1):44–50
  3. Murakami T.*, Segawa T., Bodington D., Dial R., Takeuchi N., Kohshima S., Hongoh Y. (2015) Census of bacterial microbiota associated with the glacier ice worm Mesenchytraeus solifugus. FEMS Microbiology Ecology 91(3):fiv003
  4. Kawafune K.*, Hongoh Y., Hamaji T., Sakamoto T., Kurata T., Hirooka S., Miyagishima S., Nozaki H. (2015) Two different rickettsial bacteria invading Volvox carteri. PLoS One 10(2):e0116192
  5. Ohkuma M.*, Noda S., Hattori S., Iida T., Yuki M., Starns D. Inoue J., Darby A.C., Hongoh Y. (2015) Acetogenesis from H2 plus CO2 and nitrogen fixation by an endosymbiotic spirochete of a termite-gut cellulolytic protist. Proceedings of the National Academy of Sciences of the United States of America 112(33):10224–10230
  6. Yuki M., Kuwahara H., Shintani M., Izawa K., Sato T., Starns D., Hongoh Y., Ohkuma M.* (2015) Dominant ectosymbiotic bacteria of cellulolytic protists in the termite gut also have the potential to digest lignocellulose. Environmental Microbiology 17(12):4942–4953

 

2014年

  1. Sato T., Kuwahara H., Fujita K., Noda S., Kihara K., Yamada A., Ohkuma M., Hongoh Y.* (2014) Intranuclear verrucomicrobial symbionts and evidence of lateral gene transfer to the host protist in the termite gut. The ISME Journal 8(5):1008–1019
  2. Kawafune K.*, Hongoh Y., Nozaki H. (2014) A rickettsial endosymbiont inhabiting the cytoplasm of Volvox carteri (Volvocales, Chlorophyceae). Phycologia 53(1):95–99
  3. Suda K.*, Ueno Y., Yoshizaki M., Nakamura H., Nishiyama E., Yoshino K., Hongoh Y., Kawachi K., Omori S., Yamada K., Yoshida N., Maruyama S. (2014) Origin of methane in serpentinite-hosted hydrothermal system: the CH4-H2-H2O hydrogen isotope systematics of the Happo hot spring. Earth and Planetary Science Letters 386:112–125
  4. Yamaguchi H.*, Nakayama T., Hongoh Y., Kawachi M., Inoue I. (2014) Molecular diversity of endosymbiotic Nephroselmis (Nephroselmidophyceae) in Hatena arenicola (Katablepharidophycota). Journal of Plant Research 127:241–247
  5. Kudo T., Sakamoto K., Akinaga M., Kawauchi A., Nakahara T., Zhang X., Yamada A., Oshima K., Suda W., Kuwahara H., Nakamura N., Nogi Y., Kitamura K., Yuki M., Iida T., Moriya S., Inoue T., Hongoh Y., Hattori M., Ohkuma M. (2014) Draft genome sequences of cyclodextrin-producing alkaliphilic Bacillus strains JCM 19045, JCM 19046, and JCM 19047. Genome Announcements March/April 2014 2:e00211-14
  6. Kudo T., Kidera A., Kida M., Kawauchi A., Shimizu R., Nakahara T., Zhang X., Yamada A., Amano M., Hamada Y., Taniyama S., Arakawa O., Yoshida A., Oshima K., Suda W., Kuwahara H., Nogi Y., Kitamura K., Yuki M., Iida T., Moriya S., Inoue T., Hongoh Y., Hattori M., Ohkuma M. (2014) Draft genome sequences of Psychrobacter strains JCM 18900,JCM 18901, JCM 18902, and JCM 18903, isolated preferentially from frozen aquatic organisms. Genome Announcements March/April 2014 2:e00280-14
  7. Kudo T., Nakahara T., Zhang X., Taniyama S., Arakawa O., Murase S., Nakata H., Oshima K., Suda W., Kitamura K., Iida T., Oshida Y., Inoue T., Hongoh Y., Hattori M., Ohkuma M.* (2014) Draft genome sequences of Geomicrobium sp. strains JCM 19037,JCM 19038, JCM 19039, and JCM 19055, isolated from aquatic samples. Genome Announcements May/June 2014 2: e00622-14
  8. Kudo T., Kawauchi A., Nakahara T., Zhang X., Taniyama S., Takatani T., Arakawa O., Oshima K., Suda W., Kitamura K., Iida T., Inoue T., Hongoh Y., Hattori M., Ohkuma M.* (2014) Draft genome sequences of Vibrio sp. strains isolated from tetrodotoxin-bearing scavenging gastropod. Genome Announcements May/June 2014 2: e00623-14
  9. Segawa T.*, Ishii S., Ohte N., Akiyoshi A., Yamada A., Maruyama F., Li Z., Hongoh Y., Takeuchi N. (2014) The nitrogen cycle in cryoconites: naturally occurring nitrification-denitrification granules on a glacier. Environmental Microbiology 16(10):3250–3262
  10. Nakabachi A.*, Ishida K., Hongoh Y., Ohkuma M., Miyagishima S. (2014) Aphid gene of bacterial origin encodes a protein transported to an obligate endosymbiont. Current Biology 24(14):R640–641

2013年

  1. Hattori S., Hongoh Y., Itoh T., Deevong P., Trakulnaleamsai S., Noparatnaraporn N., Kudo T., Ohkuma M. (2013) Sporomusa intestinalis sp. nov., a homoacetogenic bacterium isolated from the gut of a higher termite, Termes comis (Termitinae). Journal of General and Applied Microbiology 59:321–324
  2. Guichard P., Hachet V., Majubu N., Neves A., Demurtas D., Olieric N., Fluckiger I., Yamada A., Kihara K., Nishida Y., Moriya S., Steinmentz M.O., Hongoh Y., Gönczy P.* (2013) Native architecture of the centriole proximal region reveals novel features underlying their 9-fold radial symmetry. Current Biology 23:1620–1628
  3. Nakabachi A.*, Ueoka R., Oshima K., Teta R., Mangoni A., Gurgui M., Oldham N. J., van Echten-Deckert G., Okamura K., Yamamoto K., Inoue H., Ohkuma M., Hongoh Y., Miyagishima S., Hattori M., Piel J., Fukatsu T. (2013) Defensive bacteriome symbiont with a drastically reduced genome. Current Biology 23:1478–1484
  4. Zheng H., Bodington D., Zhang C., Miyanaga K., Tanji Y., Hongoh Y.*, Xing X.-H.* (2013) Comprehensive phylogenetic diversity of [FeFe]-hydrogenase genes in termite gut microbiota. Microbes and Environments 28:491–494
  5. Nakabachi A.*, Nikoh N., Oshima K., Inoue H., Ohkuma M., Hongoh Y., Miyagishima S., Hattori M., Fukatsu T. (2013) Horizontal gene acquisition of Liberibacter plant pathogens from a bacteriome-confined endosymbiont of their psyllid vector. PLoS One 8:e82612

2012年

  1. Kawafune K., Hongoh Y., Hamaji T., Nozaki H.* (2012) Molecular identification of rickettsial endosymbionts in the non-phagotrophic volvovalean green algae. PLoS One 7:e31749 （プレスリリース有)

2009年

  1. Noda S., Hongoh Y., Sato T., Ohkuma M.* (2009) Complex coevolutionary history of symbiotic Bacteroidales bacteria of various protists in the gut of termites. BMC Evolutionary Biology 9:e158
  2. Sato T., Hongoh Y.*, Noda S., Hattori S., Ui S., Ohkuma M. (2009) Candidatus Desulfovibrio trichonymphae, a novel intracellular symbiont of the flagellate Trichonympha agilis in termite gut. Environmental Microbiology 11:1007–1015
  3. Ohkuma M.*, Noda S., Hongoh Y., Nalepa C.A., Inoue T. (2009) Inheritance and diversification of symbiotic richonymphid flagellates from a common ancestor of termites and the cockroach Cryptocercus. Proceedings of the Royal Society B: Biological Sciences 276:239–245

2008年

  1. Hongoh Y.*, Sharma V.K., Prakash T., Noda S.,Toh H., Taylor T.D., Kudo T., Sakaki Y., Toyoda A.*, Hattori M., Ohkuma M. (2008) Genome of an endosymbiont coupling N2 fixation to cellulolysis within protist cells in termite gut. Science 322:1108–1109（プレスリリース有）
  2. Hongoh Y.*, Sharma V.K., Prakash T., Noda S., Taylor T.D, Kudo T., Sakaki Y., Toyoda A.*, Hattori M., Ohkuma M. (2008) Complete genome of the uncultured Termite Group 1 bacteria in a single host protist cell. Proceedings of the National Academy of Sciences of the United States of America 105:5555–5560（プレスリリース有）
  3. Inoue J., Noda S., Hongoh Y., Ui S., Ohkuma M.* (2008) Identification of endosymbiotic methanogens and ectosymbiotic spirochetes of gut protists of the termite Coptotermes formosanus. Microbes and Environments 93:94-97

2007年

  1. Hongoh Y.*, Sato T., Dolan M.F., Noda S., Ui S., Kudo T., Ohkuma M. (2007) The motility symbiont of the termite-gut flagellate Caduceia versatilis is a member of the "Synergistes" group. Applied and Environmental Microbiology 73:6270–6276
  2. Hongoh Y.*, Sato T., Noda S., Ui S., Kudo T., Ohkuma M. (2007) Candidatus Symbiothrix dinenymphae: bristle-like Bacteroidales ectosymbionts of termite gut protists. Environmental Microbiology 9:2631–2635
  3. Yamada A., Inoue T., Noda S., Hongoh Y., Ohkuma M.* (2007) Evolutionary trend of phylogenetic diversity of nitrogen fixation genes in the gut community of wood-feeding termites. Molecular Ecology 16:3768–3777
  4. Ohkuma M.*, Sato T., Noda S., Ui S., Kudo T., Hongoh Y. (2007) The candidate phylum 'Termite Group 1' of bacteria: phylogenetic diversity, distribution, and endosymbiont members of various gut flagellated protists. FEMS Microbiology Ecology 60:467–476
  5. Noda S.*, Kitade O., Inoue T., Kawai M., Kanuka M., Hiroshima K., Hongoh Y., Constantino R., Uys V., Zhong J., Ohkuma M. (2007) Cospeciation in the triplex symbiosis of termite gut protists (Pseudotrichonympha spp.), their hosts, and their bacterial endosymbionts Molecular Ecology 16: 1257–1266

2006年

  1. Hongoh Y.*, Deevong P., Hattori S., Inoue T., Noda S., Noparatnaraporn N., Kudo T., Ohkuma M. (2006) Phylogenetic diversity, localization, and cell morphologies of members of the candidate phylum TG3 and a subphylum in the phylum Fibrobacteres, recently discovered bacterial groups dominant in termite guts. Applied and Environmental Microbiology 72:6780–6788
  2. Hongoh Y.*, Ekpornprasit L., Inoue T., Moriya S., Trakulnaleamsai S., Ohkuma M., Noparatnaraporn N, Kudo T. (2006) Intracolony variation of bacterial gut microbiota in the fungus-growing termite Macrotermes gilvus. Molecular Ecology 15:505–516
  3. Noda S., Inoue T., Hongoh Y., Kawai M., Nalepa C. A., Vongkaluang C., Kudo T., Ohkuma M.* (2006) Identification and characterization of ectosymbionts of distinct lineages in Bacteroidales attached to flagellated protists in the gut of termites and a wood-feeding cockroach. Environmental Microbiology 8:11–20
  4. Nakajima H., Hongoh Y., Noda S., Yoshida Y., Usami R., Kudo T., Ohkuma M.* (2006) Phylogenetic and morphological diversity of Bacteroidales members associated with gut wall of termites. Bioscience, Biotechnology and Biochemistry 70:211–218
  5. Deevong P., Hongoh Y., Inoue T., Trakulnaleamsai S., Kudo T., Noparatnaraporn N., Ohkuma M.* (2006) Effect of temporal preservation on molecular study of complex microbial community in the gut of the termite Microcerotermes sp. Microbes and Environments 21:78–85
  6. Inoue T.*, Takematsu Y., Yamada A., Hongoh Y., Johjima T., Moriya S., Sornnuwat Y., Vongkaluang C., Ohkuma M., Kudo T. (2006) Diversity and abundance of termites along an altitudinal gradients in Khao Kitchagoot National Park, Thailand. Journal of Tropical Ecology 22:609–612

2005年

  1. Hongoh Y.*, Deevong P., Inoue T., Moriya S., Trakulnaleamsai S., Ohkuma M., Vongkaluang C., Noparatnaraporn N., Kudo T. (2005) Intra- and interspecific comparisons of bacterial diversity and community structure support coevolution of gut microbiota and termite host. Applied and Environmental Microbiology 71:6590–6599
  2. Nakajima H., Hongoh Y., Usami R., Kudo T., Ohkuma M.* (2005) Spatial distribution of bacterial phylotypes in the gut of the termite Reticulitermes speratus and bacterial community on the gut epithelium. FEMS Microbiology Ecology 54:247–255
  3. Thongaram T., Hongoh Y., Kosono S.*, Ohkuma M., Trakulnaleamsai S., Noparatnaraporn N., Kudo T. (2005) Comparison of bacterial communities in the alkaline gut segment among various species of higher termites. Extremophiles 9 229–238
  4. Inoue T.*, Hongoh Y., Klangkaew C., Takematsu Y., Vongkaluang C., Noparatnaraporn N., Ohkuma M., Kudo T. (2005) Plasticity and specificity of termite nest structure (Isoptera). Sociobiology 45:671–678

2004年以前

  1. Hongoh Y.*, Yuzawa H., Ohkuma M., Kudo T. (2003) Evaluation of primers and PCR conditions for analysis of 16S rRNA genes from a natural environment. FEMS Microbiology Letters 221:299–304
  2. Hongoh Y.*, Ohkuma M., Kudo T. (2003) Molecular analysis of bacterial microbiota in the gut of the termite Reticulitermes speratus (Isoptera; Rhinotermitidae). FEMS Microbiology Ecology 442:231–242
  3. Noda S., Ohkuma M.*, Yamada A., Hongoh Y., Kudo T. (2003) Phylogenetic position and in situ identification of ectosymbiotic spirochetes on protists in the termite gut. Applied and Environmental Microbiology 69:625–33
  4. Thongaram T., Kosono S.*, Ohkuma M., Hongoh Y., Kitada M., Yoshinaka T., Trakulnaleamsai S., Noparatnaraporn N., Kudo T. (2003) Gut of higher termites as a niche for alkaliphiles as shown by culture-based and culture-independent studies. Microbes and Environments 18:152–159
  5. Ohkuma M.*, Noda S., Hongoh Y., Kudo T. (2002) Diverse bacteria related to the bacteroides subgroup of the CFB phylum within the gut symbiotic communities of various termites. Bioscience, Biotechnology and Biochemistry 66:78–84
  6. Hongoh Y., Ishikawa H.* (2000) Evolutionary studies on uricase of fungal endosymbionts of aphids and planthoppers. Journal of Molecular Evolution. 51:265–277
  7. Hongoh Y.*, Sasaki T., Ishikawa H. (2000) Cloning, sequence analysis and expression in Escherichia coli of the gene encoding a uricase from the yeast-like symbiont of the brown planthopper, Nilaparvata lugens. Insect Biochemistry and Molecular Biology 30:173–82
  8. Hongoh Y.*, Ishikawa H. (1997) Uric acid as a nitrogen resource for the brown planthopper, Nilaparvata lugens: Studies with synthetic diets and aposymbiotic insects. Zoological Science 14: 581–586
  9. Hongoh Y.*, Ishikawa H. (1994) Changes of mycetocyte symbiosis in response to flying behavior of alatiform aphid (Acyrthosiphon pisum). Zoological Science 11:731–735

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