The Biosynthesis and functions of polyamines in the interaction of plant growth-promoting rhizobacteria with plants

MF Dunn, VA Becerra-Rivera - Plants, 2023 - mdpi.com
Plant growth-promoting rhizobacteria (PGPR) are members of the plant rhizomicrobiome
that enhance plant growth and stress resistance by increasing nutrient availability to the …

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 …

Combining GWAS and population genomic analyses to characterize coevolution in a legume‐rhizobia symbiosis

B Epstein, LT Burghardt, KD Heath, MA Grillo… - Molecular …, 2023 - Wiley Online Library
The mutualism between legumes and rhizobia is clearly the product of past coevolution.
However, the nature of ongoing evolution between these partners is less clear. To …

Horizontal gene transfer of the Mer operon is associated with large effects on the transcriptome and increased tolerance to mercury in nitrogen-fixing bacteria

A Bhat, R Sharma, K Desigan, MM Lucas, A Mishra… - BMC microbiology, 2024 - Springer
Abstract Background Mercury (Hg) is highly toxic and has the potential to cause severe
health problems for humans and foraging animals when transported into edible plant parts …

Diversification of plasmids in a genus of pathogenic and nitrogen-fixing bacteria

AJ Weisberg, M Miller, W Ream… - … of the Royal …, 2022 - royalsocietypublishing.org
Members of the agrobacteria–rhizobia complex (ARC) have multiple and diverse plasmids.
The extent to which these plasmids are shared and the consequences of their interactions …

Genome-Wide Association Analyses in the Model Rhizobium Ensifer meliloti

B Epstein, RAI Abou-Shanab, A Shamseldin… - MSphere, 2018 - Am Soc Microbiol
Genome-wide association studies (GWAS) can identify genetic variants responsible for
naturally occurring and quantitative phenotypic variation. Association studies therefore …

Discordant population structure among rhizobium divided genomes and their legume hosts

AB Riley, MA Grillo, B Epstein, P Tiffin… - Molecular …, 2023 - Wiley Online Library
Symbiosis often occurs between partners with distinct life history characteristics and
dispersal mechanisms. Many bacterial symbionts have genomes comprising multiple …

Genome-wide association studies across environmental and genetic contexts reveal complex genetic architecture of symbiotic extended phenotypes

RT Batstone, H Lindgren, CM Allsup, LA Goralka… - MBio, 2022 - Am Soc Microbiol
ABSTRACT A goal of modern biology is to develop the genotype-phenotype (G→ P) map, a
predictive understanding of how genomic information generates trait variation that forms the …

Legacy of prior host and soil selection on rhizobial fitness in planta

LT Burghardt, B Epstein, P Tiffin - Evolution, 2019 - academic.oup.com
Measuring selection acting on microbial populations in natural or even seminatural
environments is challenging because many microbial populations experience variable …

Codon usage Heterogeneity in the multipartite prokaryote genome: selection-based coding bias associated with gene location, expression level, and ancestry

JL López, MJ Lozano, A Lagares Jr, ML Fabre… - MBio, 2019 - Am Soc Microbiol
Prokaryotes represent an ancestral lineage in the tree of life and constitute optimal
resources for investigating the evolution of genomes in unicellular organisms. Many …