Nitrate-Dependent N 2 O Emission from Intact Soybean Nodules via Denitrification by Bradyrhizobium japonicum Bacteroids | Zendy

Junta Hirayama | Zendy; Shima Eda | Zendy; Hisayuki Mitsui | Zendy; Kiwamu Minamisawa | Zendy

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Nitrate-Dependent N ₂ O Emission from Intact Soybean Nodules via Denitrification by Bradyrhizobium japonicum Bacteroids

Author(s) -

Junta Hirayama,

Shima Eda,

Hisayuki Mitsui,

Kiwamu Minamisawa

Publication year - 2011

Publication title -

applied and environmental microbiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.552

H-Index - 324

eISSN - 1070-6291

pISSN - 0099-2240

DOI - 10.1128/aem.06262-11

Subject(s) - bradyrhizobium japonicum , denitrification , nitrate , bradyrhizobium , rhizobiaceae , nitrogen fixation , chemistry , environmental chemistry , biology , nitrogen , symbiosis , bacteria , ecology , genetics , organic chemistry

In the presence of nitrate, N2 O emission increased markedly from soybean roots inoculated withnosZ mutant ofBradyrhizobium japonicum , but not from soybean roots inoculated with anapA nosZ double mutant, indicating thatB. japonicum bacteroids in soybean nodules are able to convert the exogenously supplied nitrate into N2 O via a denitrification pathway.

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