2013 Fiscal Year Final Research Report
Variety and symbiotic mechanism of methylotrophic bacteria in plants
| Project/Area Number |
23688012
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| Research Category |
Grant-in-Aid for Young Scientists (A)
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| Allocation Type | Single-year Grants |
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| Research Field |
Applied microbiology
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| Research Institution | Okayama University |
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Principal Investigator |
TANI AKIO 岡山大学, その他部局等, 助教 (00335621)
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| Co-Investigator(Renkei-kenkyūsha) |
NAKAGAWA Tomoyuki 岐阜大学, 応用生物科学部, 准教授 (70318179)
MITSUI Ryoji 岡山理科大学, 理学部, 准教授 (60319936)
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| Research Collaborator |
NURETTIN Sahin ムグラ大学(トルコ共和国), 教育学部, 教授
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| Project Period (FY) |
2011-04-01 – 2014-03-31
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| Keywords | 国際情報交換 / Methylobacterium属細菌 / methanol / stomata |
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| Research Abstract |
This project, in regard to Methylobacterium species that is symbiotic to plants and capable of promoting plant growth, aims to classify the possible new species that we have isolated, and to clarify the molecular level mechanism of the promotion, and to clarify ecology of the species in the plants. We have proposed four new species in the genus. The bacterial plant hormones were quantified, and it was found that cytokinin is one of the most effective hormones. We also found that the cofactor of methanol dehydrogenase (MDH) is capable of inducing stomata opening, due to its scavenging activity towards reactive oxygen species. One homologue for MDH is found to be rare-earth element dependent, and functional analysis of MDHs were conducted. We isolated and identified the species from rice seeds, and found that the species is not restricted only plant genotype but also the cultivation environment of the plants.
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Research Products
(16 results)
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[Presentation] Rice methanotrophic diazotrophs as non-legume rhizobia2013
Author(s)
Kiwamu Minamisawa, Zhihua Bao, Kenji Seki, Dongyan Liu, Susumu Asakawa, Haruko Imaizumi-Anraku, Kazuhiro Sasaki, Seishi Ikeda, Akio Tani, Sachiko Masuda, Ryoji Mitsui, Takashi Okubo
Organizer
18th International Congress on Nitrogen Fixation
Place of Presentation
Miyazaki, Phoenix Seagaia Resort, Miyazaki, Japan
Year and Date
20131014-18
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