Manipulating nitrogen regulation in diazotrophic bacteria for agronomic benefit | Zendy

Marcelo Bueno Batista | Zendy; Ray Dixon | Zendy

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Manipulating nitrogen regulation in diazotrophic bacteria for agronomic benefit

Author(s) -

Marcelo Bueno Batista,

Ray Dixon

Publication year - 2019

Publication title -

biochemical society transactions

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.562

H-Index - 144

eISSN - 1470-8752

pISSN - 0300-5127

DOI - 10.1042/bst20180342

Subject(s) - diazotroph , nitrogen fixation , nitrogen , nitrogen cycle , assimilation (phonology) , synthetic biology , biomass (ecology) , biology , biochemical engineering , microbiology and biotechnology , environmental science , agronomy , chemistry , computational biology , engineering , linguistics , philosophy , organic chemistry

Biological nitrogen fixation (BNF) is controlled by intricate regulatory mechanisms to ensure that fixed nitrogen is readily assimilated into biomass and not released to the environment. Understanding the complex regulatory circuits that couple nitrogen fixation to ammonium assimilation is a prerequisite for engineering diazotrophic strains that can potentially supply fixed nitrogen to non-legume crops. In this review, we explore how the current knowledge of nitrogen metabolism and BNF regulation may allow strategies for genetic manipulation of diazotrophs for ammonia excretion and provide a contribution towards solving the nitrogen crisis.

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