ArticleBMC genomics2019
The genome of Ensifer alkalisoli YIC4027 provides insights for host specificity and environmental adaptations.
Article in BMC genomics, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 16 citations in OpenAlex.
- Article
- Secretory molecules from secretion systems fine-tune the host-beneficial bacteria (PGPRs) interaction.Frontiers in microbiology · 2024Review
- Comparative genome analysis ofMicrobial genomics · 2023Article
- Effects of different cultivation media on root bacterial community characteristics of greenhouse tomatoes.Frontiers in microbiology · 2023Article
- Variety-driven rhizosphere microbiome bestows differential salt tolerance to alfalfa for coping with salinity stress.Frontiers in plant science · 2023Article
- The Genome ofMicroorganisms · 2022Article
- Patterns in the Microbial Community of Salt-Tolerant Plants and the Functional Genes Associated with Salt Stress Alleviation.Microbiology spectrum · 2021Article
- The Root Nodule Microbiome of Cultivated and Wild Halophytic Legumes Showed Similar Diversity but Distinct Community Structure in Yellow River Delta Saline Soils.Microorganisms · 2020Article
- High-Throughput Mass Spectrometric Analysis of the Whole Proteome and Secretome FromFrontiers in microbiology · 2019Article
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Authors and funding
7 authors at 4 institutions in 1 country.
Funding
Abstract
backgroundEnsifer alkalisoli YIC4027, a recently characterized nitrogen-fixing bacterium of the genus Ensifer, has been isolated from root nodules of the host plant Sesbania cannabina. This plant is widely used as green manure and for soil remediation. E. alkalisoli YIC4027 can grow in saline-alkaline soils and is a narrow-host-range strain that establishes a symbiotic relationship with S. cannabina. The complete genome of this strain was sequenced to better understand the genetic basis of host specificity and adaptation to saline-alkaline soils.
resultsE. alkalisoli YIC4027 was found to possess a 6.1-Mb genome consisting of three circular replicons: one chromosome (3.7 Mb), a chromid (1.9 Mb) and a plasmid (0.46 Mb). Genome comparisons showed that strain YIC4027 is phylogenetically related to broad-host-range Ensifer fredii strains. Synteny analysis revealed a strong collinearity between chromosomes of E. alkalisoli YIC4027 and those of the E. fredii NGR234 (3.9 Mb), HH103 (4.3 Mb) and USDA257 (6.48 Mb) strains. Notable differences were found for genes required for biosynthesis of nodulation factors and protein secretion systems, suggesting a role of these genes in host-specific nodulation. In addition, the genome analysis led to the identification of YIC4027 genes that are presumably related to adaptation to saline-alkaline soils, rhizosphere colonization and nodulation competitiveness. Analysis of chemotaxis cluster genes and nodulation tests with constructed che gene mutants indicated a role of chemotaxis and flagella-mediated motility in the symbiotic association between YIC4027 and S. cannabina.
conclusionsThis study provides a basis for a better understanding of host specific nodulation and of adaptation to a saline-alkaline rhizosphere. This information offers the perspective to prepare optimal E. alkalisoli inocula for agriculture use and soil remediation.
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