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Chapitre D'ouvrage Année : 2015

Chapter 62 : AP2/ERF Transcription Factors and Root Nodulation

Résumé

Legumes are able to establish symbioses with nitrogen‐fixing soil bacteria called rhizobia, which enable them to grow in nitrogen‐poor soil. This symbiosis involves a complex interplay between host and bacterial partners, resulting in the formation of a novel organ, the root nodule, within which the microbial symbiont is accommodated and fixes nitrogen to the benefit of the host plant. Root nodule development is accompanied by major changes in gene expression, involving a number of regulatory transcription factor (TF) proteins which are presumed to coordinate gene expression changes during bacterial infection and nodule organogenesis. Recent genome wide analyses have revealed that legumes, as is the case for many plant species, possess a large number of TF families in which many members are specifically expressed during nodulation. Among these, the APETALA2/Ethylene Response Factor (AP2/ERF) family defined by the presence of a typical DNA binding domain of about 60 amino acids, is widely represented in legumes and expressed during nodulation. This review focuses on the roles of AP2/ERF TFs during nodulation and highlights both the diversity of this gene family in the model legume Medicago truncatula and current knowledge on the roles of specific AP2/ERF family members.
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Dates et versions

hal-03082935 , version 1 (18-12-2020)

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Marion Cerri, Pascal Gamas, Fernanda de Carvalho-Niebel. Chapter 62 : AP2/ERF Transcription Factors and Root Nodulation. Biological Nitrogen Fixation, John Wiley & Sons, Inc, pp.609-622, 2015, 978-1-118-63704-3. ⟨10.1002/9781119053095.ch62⟩. ⟨hal-03082935⟩
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