Abstract
Soil with low phosphorus (P) availability and organic matter contents exists in large area of southwest of China, but some soybean genotypes still show well adaptations to this low yield farmland. However, to date, the underlying mechanisms of how soybean regulates soil P availability still remains unclear, like microbe-induced changes. The objective of the present study was to compare the differences of rhizosphere bacterial community composition between E311 and E109 in P-sufficiency (10.2 mg kg−1) and P-insufficiency (5.5 mg kg−1), respectively, which then feedback to soil P availability. In P-sufficiency, significant differences of the bacterial community composition were observed, with fast-growth bacterial phylum Proteobacteria, genus Dechloromonas, Pseudomonas, Massilia, and Propionibacterium that showed greater relative abundances in E311 compared to E109, while in P-insufficiency were not. A similar result was obtained that E311 and E109 were clustered together in P-insufficiency rather than in P-sufficiency by using principal component analysis and hierarchical clustering analysis. The quadratic relationships between bacterial diversity and soil P availability in rhizosphere were analyzed, confirming that bacterial diversity enhanced the soil P availability. Moreover, the high abundance of Pseudomonas and Massilia in the rhizosphere of E311 might increased the P availability. In the present study, the soybean E311 showed capability of shaping rhizosphere bacterial diversity, and subsequently, increasing soil P availability. This study provided a strategy for rhizosphere management through soybean genotype selection and breeding to increase P use efficiency, or upgrade middle or low yield farmland.
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Claims 13
Claim · model-written summary
In phosphorus-sufficient soil, E311 had more Proteobacteria than E109.
- Taxon
- soybean
Glycine maxt0 - Material
- E311e0
- Interactor
- ProteobacteriaPseudomonadotae0symbiont
- Outcome
- relative abundancese0
- Direction
- greatere0
- Comparator
- E109e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“fast-growth bacterial phylum Proteobacteria, genus Dechloromonas, Pseudomonas, Massilia, and Propionibacterium that showed greater relative abundances in E311 compared to E109”
t0“soybean”
Claim · model-written summary
In phosphorus-sufficient soil, E311 had more Dechloromonas than E109.
- Taxon
- soybeanGlycine maxt0
- Material
- E311e0
- Interactor
- DechloromonasDechloromonase0symbiont
- Outcome
- relative abundancese0
- Direction
- greatere0
- Comparator
- E109e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“genus Dechloromonas, Pseudomonas, Massilia, and Propionibacterium that showed greater relative abundances in E311 compared to E109”
t0“soybean”
Claim · model-written summary
In phosphorus-sufficient soil, E311 had more Pseudomonas than E109.
- Taxon
- soybeanGlycine maxt0
- Material
- E311e0
- Interactor
- Pseudomonas
Pseudomonase0symbiont - Outcome
- relative abundancese0
- Direction
- greatere0
- Comparator
- E109e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pseudomonas, Massilia, and Propionibacterium that showed greater relative abundances in E311 compared to E109”
t0“soybean”
Claim · model-written summary
In phosphorus-sufficient soil, E311 had more Massilia than E109.
- Taxon
- soybeanGlycine maxt0
- Material
- E311e0
- Outcome
- relative abundancese0
- Direction
- greatere0
- Comparator
- E109e0
MassiliaOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Massilia, and Propionibacterium that showed greater relative abundances in E311 compared to E109”
t0“soybean”
Claim · model-written summary
In phosphorus-sufficient soil, E311 had more Propionibacterium than E109.
- Taxon
- soybeanGlycine maxt0
- Material
- E311e0
- Interactor
- Propionibacterium
Propionibacteriume0symbiont
- Outcome
- relative abundancese0
- Direction
- greatere0
- Comparator
- E109e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Propionibacterium that showed greater relative abundances in E311 compared to E109”
t0“soybean”
Claim · model-written summary
This genotype difference in bacterial composition was absent under phosphorus insufficiency.
- Taxon
- soybeanGlycine maxt0
- Outcome
- P-insufficiencye0
- Setting
- P-insufficiencye0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“while in P-insufficiency were not.”
t0“soybean”
Claim · model-written summary
E311 and E109 bacterial profiles clustered together in phosphorus-insufficient rather than phosphorus-sufficient soil.
- Taxon
- soybeanGlycine maxt0
- Material
- E311e0
- Outcome
- clustered togethere0
- Comparator
- P-sufficiencye0
- Setting
- P-insufficiencye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“E311 and E109 were clustered together in P-insufficiency rather than in P-sufficiency”
t0“soybean”
Claim · model-written summary
Bacterial diversity had a quadratic relationship with rhizosphere phosphorus availability.
- Taxon
- soybeanGlycine maxt0
- Interactor
- bacteriale0symbiont
- Outcome
- soil P availability in rhizospheree0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The quadratic relationships between bacterial diversity and soil P availability in rhizosphere were analyzed”
t0“soybean”
Claim · model-written summary
Bacterial diversity was interpreted to enhance soil phosphorus availability.
- Taxon
- soybeanGlycine maxt0
- Interactor
- bacteriale0symbiont
- Outcome
- soil P availabilitye0
- Qualifier
- bacterial diversitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“confirming that bacterial diversity enhanced the soil P availability.”
t0“soybean”
Claim · model-written summary
High Pseudomonas abundance might increase phosphorus availability.
- Taxon
- soybeanGlycine maxt0
- Material
- E311e0
- Interactor
- PseudomonasPseudomonase0symbiont
- Outcome
- P availabilitye0
- Qualifier
- high abundancee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the high abundance of Pseudomonas and Massilia in the rhizosphere of E311 might increased the P availability.”
t0“soybean”
Claim · model-written summary
High Massilia abundance might increase phosphorus availability.
- Taxon
- soybeanGlycine maxt0
- Material
- E311e0
- Outcome
- P availabilitye0
- Qualifier
- high abundancee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the high abundance of Pseudomonas and Massilia in the rhizosphere of E311 might increased the P availability.”
t0“soybean”
Claim · model-written summary
E311 was described as shaping rhizosphere bacterial diversity and increasing phosphorus availability.
- Taxon
- soybeanGlycine maxe0
- Material
- E311e0
- Outcome
- soil P availabilitye0
- Qualifier
- shaping rhizosphere bacterial diversitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the soybean E311 showed capability of shaping rhizosphere bacterial diversity, and subsequently, increasing soil P availability.”
Claim · model-written summary
The authors proposed soybean genotype selection and breeding to improve phosphorus use efficiency and low-yield farmland.
- Taxon
- soybeanGlycine maxe0
- Outcome
- soybean genotype selection and breeding to increase P use efficiencye0
- Qualifier
- middle or low yield farmlande0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“rhizosphere management through soybean genotype selection and breeding to increase P use efficiency, or upgrade middle or low yield farmland.”