PJ-163:

Molecular genetic analysis of Bradyrhizobium elkanii mutants with altered symbiotic compatibility with Vigna radiata

Nguyen Phuoc, Hien1, Omar, Faruque 1, Miwa, Hiroki1, Okazaki, Shin1 1Tokyo University of Agriculture and Technology The interaction between rhizobia and leguminous plants results in the formation of root nodules. In nodules, rhizobia fix atmospheric dinitrogen into ammonia, which is u
Posted On 06 10月 2015
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PJ-162 (JTK):

Differential efficiency of nitrate respiration between Bradyrhizbium diazoefficiens and Bradyrhizobium japonicum

F. Siqueira, Arthur1, S_nchez, Cristina1, Itakura, Manabu1, Minamisawa, Kiwamu1 1Touhoku University – Graduate School of Life Sciences Denitrification is an alternative respiratory mechanism that occurs in limitation of oxygen, characterized by using nitrate or other nitrogen ox
Posted On 06 10月 2015
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PJ-161 (JTK):

Effect of heterotrophic bacteria on growth of a marine ammonia-oxidizing archaeon

Choi, Seon-Bin1, Min, Ui-Gi1, Hong, Heeji1, Gwak, Joo-Han1, Rhee, Sung-Keun1 1CBNU. microbiol. Ammonia-oxidizing archaea (AOA) belonged to Thaumarchaeota play significant roles in the first step of nitrification and are abundant in various environments. Up to date, effect of heterotro
Posted On 06 10月 2015
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PJ-160:

Determination of a suitable condition for Azospirillum sp. B510 infection and colonization in rice plant and observation of the colonization

Naher, Kamrun1, Yasuda, Michiko 1, Miwa, Hiroki 1, Masuda , Sachiko 1, Okazaki, Shin 1 1Tokyo University of Agriculture and Technology The use of microorganisms with the aim of improving crop production is one of the important practices for sustainable agriculture. Azospirillum sp. B5
Posted On 06 10月 2015
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PJ-159:

Why are homopolymeric tracts so frequent in endosymbiont genomes?

Kinjo, Yukihiro1, Tokuda, Gaku2, Hongoh, Yuichi3, Ohkuma, Moriya1 1Japan Collection of Microorganisms, RIKEN BioResource Center, 2Tropical Biosphere Research Center, University of the Ryukyus, 3Tokyo Institute of Technology Accuracy of an information transfer in the central dogma depe
Posted On 06 10月 2015
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PJ-158:

Complete genome sequencing of TC1 symbiont in Trimyema ciliate using PacBio sequencer

Shinzato, Naoya1, Saitoh, Seikoh1, Aoyama, Hiroaki1, Nikoh, Naruo3, Nakano, Kazuma2, Shimoji, Makiko2, Shinzato, Misuzu2, Satou, Kazuhito2, Teruya, Kuniko2, Hirano, Takashi2, Yamada, Takanori1, Park, Sanghwa1, Kamagata, Yoichi41TBRC, University of the Ryukyus, 2Okinawa Institute of Ad
Posted On 06 10月 2015
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PJ-157:

Single-cell genome analyses of three dominant bacterial species in the gut of a higher termite

Yuki, Masahiro1, Starns, David2,3, Kuwahara, Hirokazu4, Hongoh , Yuichi2,4, Ohkuma, Moriya1,2 1RIKEN CSRS-BMEP, 2RIKEN BRC-JCM, 3Liverpool univ. IIB, 4Tokyo Inst. Tech The gut of wood-feeding higher termites harbors a complex bacterial community for lignocellulose digestion. Because t
Posted On 06 10月 2015
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PJ-156:

Re-organization of symbiotic protist communities after sudden community mixing through the host termite hybridization

Kitade, Osamu1, Wakui, Akane1, Kurusu, Yoshihiro2, Noda, Satoko2 1Ibaraki University, 2University of Yamanashi Re-organizaton processes and fates of biological communities after community “mixing” have not been sufficiently studied compared to those after community disjunc
Posted On 06 10月 2015
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PI-155:

亜酸化窒素還元細菌をターゲットとする集積培養装置から単離されたDechloromonas sp.Azospira sp.の亜酸化窒素還元活性

末永 俊和1, 堀 知行2, 中川 洋佑1, 利谷 翔平1, 細見 正明1, 寺田 昭彦1 1東京農工大学大学院 工学府, 2産業技術総合研究所 N2OをN2に還元する経路は脱窒反応の最終段階であるN2O還元反応のみと言われており、この反応を担うN2O還元細菌を利用したN2O放出抑制技術への応用が期待される。本研究では高活性なN2O還元細菌の獲得を目指し、集積培養装置(Gas-Permeable Membrane Device (GPMD))を開発し、活性汚泥に生息するN2O還元細菌の集積、単離を試みた。GPMDは中空糸ガス透過膜が内封されておりN2Oをバブルレス
Posted On 06 10月 2015
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PI-154 (JTK):

炭素飢餓および光照射条件は紅色光合成細菌Rhodopseudomonas palustrisの浸透圧ストレス抵抗性を上昇させる

新井 沙和, 菅野 菜々子, 松浦 克美, 春田 伸 首都大学東京大学院理工学研究科生命科学専攻 炭素源の枯渇によって飢餓状態になると、高温や高浸透圧、酸などのストレスに対する抵抗性が上昇することが、病原細菌や土壌細菌で報告されている。このような飢餓によるストレス抵抗性の上昇は、自然環境中で微生物が生残性を維持するのに重要な機構のひとつだと考えられる。我々はこれまでの研究で、光合成細菌が炭素源飢餓条件でも光照射があれば、長期間、高い生存率を維持することを報告しており、光エネルギーが飢餓生残に有効であることを示している1)。本研究では、土壌や水圏に広く分布する紅色光
Posted On 06 10月 2015
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