Rhizobia: from saprophytes to endosymbionts

P Poole, V Ramachandran, J Terpolilli - Nature Reviews Microbiology, 2018 - nature.com
Rhizobia are some of the best-studied plant microbiota. These oligotrophic
Alphaproteobacteria or Betaproteobacteria form symbioses with their legume hosts …

Interaction and regulation of carbon, nitrogen, and phosphorus metabolisms in root nodules of legumes

A Liu, CA Contador, K Fan, HM Lam - Frontiers in Plant Science, 2018 - frontiersin.org
Members of the plant family Leguminosae (Fabaceae) are unique in that they have evolved
a symbiotic relationship with rhizobia (a group of soil bacteria that can fix atmospheric …

Metabolic control of nitrogen fixation in rhizobium-legume symbioses

CCM Schulte, K Borah, RM Wheatley, JJ Terpolilli… - Science …, 2021 - science.org
Rhizobia induce nodule formation on legume roots and differentiate into bacteroids, which
catabolize plant-derived dicarboxylates to reduce atmospheric N2 into ammonia. Despite …

Arbuscular mycorrhizal fungus regulates cadmium accumulation, migration, transport, and tolerance in Medicago sativa

HR Wang, XY Zhao, JM Zhang, C Lu… - Journal of Hazardous …, 2022 - Elsevier
Cadmium (Cd) pollution in croplands is a global environmental problem. Measures to
improve the tolerance of sensitive crops and reduce pollutant absorption and accumulation …

Metabolomics of tomato xylem sap during bacterial wilt reveals Ralstonia solanacearum produces abundant putrescine, a metabolite that accelerates wilt disease

TM Lowe‐Power, CG Hendrich… - Environmental …, 2018 - Wiley Online Library
Ralstonia solanacearum thrives in plant xylem vessels and causes bacterial wilt disease
despite the low nutrient content of xylem sap. We found that R. solanacearum manipulates …

How rhizobia adapt to the nodule environment

R Ledermann, CCM Schulte, PS Poole - Journal of Bacteriology, 2021 - Am Soc Microbiol
Rhizobia are a phylogenetically diverse group of soil bacteria that engage in mutualistic
interactions with legume plants. Although specifics of the symbioses differ between strains …

The role of microbial interactions on rhizobial fitness

M Granada Agudelo, B Ruiz, D Capela… - Frontiers in Plant …, 2023 - frontiersin.org
Rhizobia are soil bacteria that can establish a nitrogen-fixing symbiosis with legume plants.
As horizontally transmitted symbionts, the life cycle of rhizobia includes a free-living phase in …

Control of the rhizobium–legume symbiosis by the plant nitrogen demand is tightly integrated at the whole plant level and requires inter-organ systemic signaling

M Lepetit, R Brouquisse - Frontiers in Plant Science, 2023 - frontiersin.org
Symbiotic nodules formed on legume roots with rhizobia fix atmospheric N2. Bacteria reduce
N2 to NH4+ that is assimilated into amino acids by the plant. In return, the plant provides …

Multidisciplinary approaches for studying rhizobium–legume symbioses

GC Dicenzo, M Zamani, A Checcucci… - Canadian Journal of …, 2019 - cdnsciencepub.com
The rhizobium–legume symbiosis is a major source of fixed nitrogen (ammonia) in the
biosphere. The potential for this process to increase agricultural yield while reducing the …

Bacterial biosensors for in vivo spatiotemporal mapping of root secretion

F Pini, AK East, C Appia-Ayme, J Tomek… - Plant …, 2017 - academic.oup.com
Plants engineer the rhizosphere to their advantage by secreting various nutrients and
secondary metabolites. Coupling transcriptomic and metabolomic analyses of the pea …