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Title: Methanol bioeconomy: promotion of rice crop yield in paddy fields with microbial cells prepared from natural gas‐derived C 1 compound
Authors: Yurimoto, Hiroya  kyouindb  KAKEN_id  orcid (unconfirmed)
Iguchi, Hiroyuki
Di Thien, Do Thi
Tani, Akio
Okumoto, Yutaka
Ota, Atsushi
Yamauchi, Takahiro
Akashi, Takahiro
Sakai, Yasuyoshi  kyouindb  KAKEN_id
Author's alias: 由里本, 博也
井口, 博之
谷, 明生
奥本, 裕
太田, 淳
山内, 隆寛
明石, 貴裕
阪井, 康能
Issue Date: 10-Dec-2020
Publisher: Wiley
Journal title: Microbial Biotechnology
Abstract: Methylotrophs, which can utilize methanol as a sole carbon source, are promising microorganisms to be exploited in a methanol‐based bioeconomy, in which a variety of useful compounds are biotechnologically produced from natural gas‐derived methanol. Pink‐pigmented facultative methylotrophs (PPFMs) are common plant phyllospheric bacteria and are known to enhance seedling growth and total biomass of various plants. However, improvement of crop yield by inoculation of PPFMs at the field level has not been well investigated. We herein describe improvement of crop yield of several rice cultivars by foliar spraying of PPFMs. After selection of PPFM strains and rice cultivars by the in vitro seedling growth test, we further conducted paddy field experiments. The crop yield of the sake‐brewing rice Oryza sativa cultivar Hakutsurunishiki was reproducibly improved in a commercial paddy field for over a 5‐year period. A one‐time foliar spray of PPFM cells (living or killed) or a cell wall polysaccharide fraction, after the heading date, acted in the phyllosphere and effectively improved crop yield. Our results show that the established process with PPFMs is feasible for improvement of food production in the methanol bioeconomy.
Description: 微生物やその細胞壁成分の葉面散布による酒米の増収に成功 --メタノールを原料に生産した微生物製剤を出穂後1度の散布で--. 京都大学プレスリリース. 2020-12-11.
Rights: © 2020 The Authors. Microbial Biotechnology published by Society for Applied Microbiology and John Wiley & Sons Ltd. This is an open access article under the terms of the Creative Commons Attribution‐NonCommercial‐NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.
DOI(Published Version): 10.1111/1751-7915.13725
PubMed ID: 33300676
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