Competition, Nodule Occupancy, and Persistence of Inoculant Strains: Key Factors in the Rhizobium-Legume Symbioses

M Mendoza-Suárez, SU Andersen, PS Poole… - Frontiers in plant …, 2021 - frontiersin.org
Biological nitrogen fixation by Rhizobium-legume symbioses represents an environmentally
friendly and inexpensive alternative to the use of chemical nitrogen fertilizers in legume …

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 …

Comparative analysis of integrative and conjugative mobile genetic elements in the genus Mesorhizobium

E Colombi, BJ Perry, JT Sullivan… - Microbial …, 2021 - microbiologyresearch.org
Members of the Mesorhizobium genus are soil bacteria that often form nitrogen-fixing
symbioses with legumes. Most characterised Mesorhizobium spp. genomes are~ 8 Mb in …

Pangenome evolution reconciles robustness and instability of rhizobial symbiosis

AJ Weisberg, A Rahman, D Backus, P Tyavanagimatt… - Mbio, 2022 - Am Soc Microbiol
Root nodulating rhizobia are nearly ubiquitous in soils and provide the critical service of
nitrogen fixation to thousands of legume species, including staple crops. However, the …

Contribution of biofertilizers to pulse crops: From single-strain inoculants to new technologies based on microbiomes strategies

GR Xavier, EC Jesus, A Dias, MRR Coelho, YC Molina… - Plants, 2023 - mdpi.com
Pulses provide distinct health benefits due to their low fat content and high protein and fiber
contents. Their grain production reaches approximately 93,210× 103 tons per year. Pulses …

Adaptive evolution of rhizobial symbiosis beyond horizontal gene transfer: From genome innovation to regulation reconstruction

S Liu, J Jiao, CF Tian - Genes, 2023 - mdpi.com
There are ubiquitous variations in symbiotic performance of different rhizobial strains
associated with the same legume host in agricultural practices. This is due to polymorphisms …

Symbiotic effectiveness, abiotic stress tolerance and phosphate solubilizing ability of new chickpea root-nodule bacteria from soils in Kununurra Western Australia and …

IA Oparah, JC Hartley, R Deaker, G Gemell, E Hartley… - Plant and Soil, 2024 - Springer
Aims To assess the symbiotic effectiveness, tolerance to abiotic stress factors and
phosphate solubilizing ability of new chickpea root-nodule bacteria. Methods Symbiotic …

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 …

Native soil origin influences the symbiotic N fixation effectiveness of chickpea mesorhizobia grown in Australian soils

JR Rathjen, M Zaw, MH Ryder, Y Zhou, TV Lai… - Biology and Fertility of …, 2024 - Springer
Experiments conducted under controlled conditions can be poor predictors of the field
performance of rhizobial inoculants. In this study, five field experiments were conducted over …

An epigenetic switch activates bacterial quorum sensing and horizontal transfer of an integrative and conjugative element

JP Ramsay, TR Bastholm, CJ Verdonk… - Nucleic Acids …, 2022 - academic.oup.com
Horizontal transfer of the integrative and conjugative element ICE Ml SymR7A converts non-
symbiotic Mesorhizobium spp. into nitrogen-fixing legume symbionts. Here, we discover …