%0 Journal Article
%9 ACL : Articles dans des revues avec comité de lecture répertoriées par l'AERES
%A Santi, C.
%A Bogusz, Didier
%A Franche, Claudine
%T Biological nitrogen fixation in non-legume plants
%D 2013
%L fdi:010060325
%G ENG
%J Annals of Botany
%@ 0305-7364
%K Nitrogen fixation ; non-legume ; symbiosis ; nodulation ; actinorhizal ; plant ; Frankia ; cyanobacteria ; Parasponia ; plant growth-promoting ; rhizobacteria ; PGPR
%M ISI:000318633300001
%N 5
%P 743-767
%R 10.1093/aob/mct048
%U https://www.documentation.ird.fr/hor/fdi:010060325
%> https://www.documentation.ird.fr/intranet/publi/2013/06/010060325.pdf
%V 111
%W Horizon (IRD)
%X Nitrogen is an essential nutrient in plant growth. The ability of a plant to supply all or part of its requirements from biological nitrogen fixation (BNF) thanks to interactions with endosymbiotic, associative and endophytic symbionts, confers a great competitive advantage over non-nitrogen-fixing plants. Because BNF in legumes is well documented, this review focuses on BNF in non-legume plants. Despite the phylogenic and ecological diversity among diazotrophic bacteria and their hosts, tightly regulated communication is always necessary between the microorganisms and the host plant to achieve a successful interaction. Ongoing research efforts to improve knowledge of the molecular mechanisms underlying these original relationships and some common strategies leading to a successful relationship between the nitrogen-fixing microorganisms and their hosts are presented. Understanding the molecular mechanism of BNF outside the legumerhizobium symbiosis could have important agronomic implications and enable the use of N-fertilizers to be reduced or even avoided. Indeed, in the short term, improved understanding could lead to more sustainable exploitation of the biodiversity of nitrogen-fixing organisms and, in the longer term, to the transfer of endosymbiotic nitrogen-fixation capacities to major non-legume crops.
%$ 076 ; 084