Symbiotic nitrogen fixation by rhizobia—the roots of a success story

C Masson-Boivin, JL Sachs - Current Opinion in Plant Biology, 2018 - Elsevier
Highlights•Nodulation of legumes is encoded by at least three genetic rhizobial
strategies.•The 'nod'strategy has been the most successful evolutionarily.•Evolution of nod …

Legumes versus rhizobia: a model for ongoing conflict in symbiosis

JL Sachs, KW Quides, CE Wendlandt - New Phytologist, 2018 - Wiley Online Library
Contents Summary 1199 I. Introduction 1199 II. Selecting beneficial symbionts: one problem,
many solutions 1200 III. Control and conflict over legume nodulation 1201 IV. Control and …

Competitive interference among rhizobia reduces benefits to hosts

A Rahman, M Manci, C Nadon, IA Perez, WF Farsamin… - Current Biology, 2023 - cell.com
The capacity of beneficial microbes to compete for host infection—and the ability of hosts to
discriminate among them—introduces evolutionary conflict that is predicted to destabilize …

Evolutionary origin and ecological implication of a unique nif island in free-living Bradyrhizobium lineages

J Tao, S Wang, T Liao, H Luo - The ISME Journal, 2021 - academic.oup.com
The alphaproteobacterial genus Bradyrhizobium has been best known as N2-fixing
members that nodulate legumes, supported by the nif and nod gene clusters. Recent …

Phylogeny and phylogeography of rhizobial symbionts nodulating legumes of the tribe Genisteae

T Stępkowski, J Banasiewicz, CE Granada, M Andrews… - Genes, 2018 - mdpi.com
The legume tribe Genisteae comprises 618, predominantly temperate species, showing an
amphi-Atlantic distribution that was caused by several long-distance dispersal events …

Host investment into symbiosis varies among genotypes of the legume Acmispon strigosus, but host sanctions are uniform

CE Wendlandt, JU Regus, KA Gano‐Cohen… - New …, 2019 - Wiley Online Library
Efficient host control predicts the extirpation of ineffective symbionts, but they are
nonetheless widespread in nature. We tested three hypotheses for the maintenance of …

Recurrent mutualism breakdown events in a legume rhizobia metapopulation

KA Gano-Cohen, CE Wendlandt… - … of the Royal …, 2020 - royalsocietypublishing.org
Bacterial mutualists generate major fitness benefits for eukaryotes, resha** the host
phenotype and its interactions with the environment. Yet, microbial mutualist populations are …

Fitness variation among host species and the paradox of ineffective rhizobia

VJ Pahua, PJN Stokes, AC Hollowell… - Journal of …, 2018 - academic.oup.com
Legumes can preferentially select beneficial rhizobial symbionts and sanction ineffective
strains that fail to fix nitrogen. Yet paradoxically, rhizobial populations vary from highly …

Population genomics of Australian indigenous Mesorhizobium reveals diverse nonsymbiotic genospecies capable of nitrogen-fixing symbioses following horizontal …

E Colombi, Y Hill, R Lines, JT Sullivan… - Microbial …, 2023 - microbiologyresearch.org
Mesorhizobia are soil bacteria that establish nitrogen-fixing symbioses with various
legumes. Novel symbiotic mesorhizobia frequently evolve following horizontal transfer of …

Dynamic genomic architecture of mutualistic cooperation in a wild population of Mesorhizobium

SS Porter, J Faber-Hammond, AP Montoya… - The ISME …, 2019 - academic.oup.com
Research on mutualism seeks to explain how cooperation can be maintained when
uncooperative mutants co-occur with cooperative kin. Gains and losses of the gene modules …