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Phylogenomics reveals multiple losses of nitrogen-fixing root nodule symbiosis

  • Maximilian Griesmann
  • , Yue Chang
  • , Xin Liu
  • , Yue Song
  • , Georg Haberer
  • , Matthew B. Crook
  • , Benjamin Billault-Penneteau
  • , Dominique Lauressergues
  • , Jean Keller
  • , Leandro Imanishi
  • , Yuda Purwana Roswanjaya
  • , Wouter Kohlen
  • , Petar Pujic
  • , Kai Battenberg
  • , Nicole Alloisio
  • , Yuhu Liang
  • , Henk Hilhorst
  • , Marco G. Salgado
  • , Valerie Hocher
  • , Hassen Gherbi
  • Sergio Svistoonoff, Jeff J. Doyle, Shixu He, Yan Xu, Shanyun Xu, Jing Qu, Qiang Gao, Xiaodong Fang, Yuan Fu, Philippe Normand, Alison M. Berry, Luis G. Wall, Jean Michel Ané, Katharina Pawlowski, Xun Xu, Huanming Yang, Manuel Spannagl, Klaus F.X. Mayer, Gane Ka Shu Wong, Martin Parniske, Pierre Marc Delaux, Shifeng Cheng
  • Ludwig Maximilian University of Munich
  • Helmholtz Zentrum München - German Research Center for Environmental Health
  • BGI-Shenzhen
  • Weber State University
  • CNRS
  • Universidad Nacional de Quilmes
  • Wageningen University & Research
  • Ecologie Microbienne (LEM)
  • University of California at Davis
  • Stockholm University
  • UMR LSTM (IRD-INRA-CIRAD-Université Montpellier-Supagro)
  • Cornell University
  • University of Wisconsin-Madison
  • Zhejiang University
  • Technical University of Munich
  • University of Alberta

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342 引用 (Scopus)

摘要

The root nodule symbiosis of plants with nitrogen-fixing bacteria affects global nitrogen cycles and food production but is restricted to a subset of genera within a single clade of flowering plants. To explore the genetic basis for this scattered occurrence, we sequenced the genomes of 10 plant species covering the diversity of nodule morphotypes, bacterial symbionts, and infection strategies. In a genome-wide comparative analysis of a total of 37 plant species, we discovered signatures of multiple independent loss-of-function events in the indispensable symbiotic regulator NODULE INCEPTION in 10 of 13 genomes of nonnodulating species within this clade. The discovery that multiple independent losses shaped the present-day distribution of nitrogen-fixing root nodule symbiosis in plants reveals a phylogenetically wider distribution in evolutionary history and a so-far-underestimated selection pressure against this symbiosis.

源语言英语
文章编号eaat1743
期刊Science
361
6398
DOI
出版状态已出版 - 13 7月 2018
已对外发布

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  1. 可持续发展目标 2 - 零饥饿
    可持续发展目标 2 零饥饿

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