Abstract
Soil salinization is a major constraint on sustainable agriculture worldwide, highlighting the need for stress-tolerant plant growth-promoting rhizobacteria (PGPR) for salt-affected soils. A moderately halophilic and alkali-tolerant bacterium, Staphylococcus succinus NYN-1, was isolated from the rhizosphere soil of the halophyte Suaeda dendroides collected from a highly salinized site in Xinjiang, China. This study aimed to evaluate its salt–alkali tolerance and plant growth-promoting potential through integrated phenotypic characterization, pot experiments, and whole-genome analysis. NYN-1 grew over a broad salinity range [0–15% (w/v)] and pH range (6.0–11.0), and showed plant growth-promoting activities including organic phosphorus mineralization, inorganic phosphate solubilization, potassium solubilization, and NH4+ production. In pot experiments under 300 mM NaCl, inoculation with NYN-1 significantly improved the growth performance of maize (Zea mays L.), cotton (Gossypium hirsutum L.), and sunflower (Helianthus annuus L.). Genome analysis identified multiple Na+/H+ antiporter-related genes and genes encoding compatible-solute transport systems that are consistent with adaptation to salt–alkali stress. The genome also harbors a broad set of genes related to phosphorus metabolism, as well as other plant growth-promoting functions, including potassium solubilization-related pathways and siderophore biosynthesis. Collectively, these findings identify S. succinus NYN-1 as a promising native halophilic PGPR candidate and a potential microbial resource for developing inoculant strategies in salt-affected agricultural systems.
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Claims 10
Claim · model-written summary
Staphylococcus succinus NYN-1 grew over a broad salinity range of 0-15% (w/v).
- Taxon
- Staphylococcus succinus NYN-1Staphylococcus succinust0
- Outcome
- grew over a broad salinity rangee0
- Value
- 0–15% (w/v)e0
Verbatim
e0“NYN-1 grew over a broad salinity range [0–15% (w/v)]”
t0“Staphylococcus succinus NYN-1”
Claim · model-written summary
Staphylococcus succinus NYN-1 grew over a pH range of 6.0-11.0.
- Taxon
- Staphylococcus succinus NYN-1Staphylococcus succinust0
- Outcome
- pH rangee0
- Value
- 6.0–11.0e0
Verbatim
e0“pH range (6.0–11.0)”
t0“Staphylococcus succinus NYN-1”
Claim · model-written summary
NYN-1 showed plant growth-promoting activities including organic phosphorus mineralization, inorganic phosphate solubilization and potassium solubilization.
- Taxon
- Staphylococcus succinus NYN-1Staphylococcus succinust0
- Outcome
- organic phosphorus mineralization, inorganic phosphate solubilization, potassium solubilizatione0
Verbatim
e0“showed plant growth-promoting activities including organic phosphorus mineralization, inorganic phosphate solubilization, potassium solubilization, and NH4+ production”
t0“Staphylococcus succinus NYN-1”
Claim · model-written summary
NYN-1 showed NH4+ production as a plant growth-promoting activity.
- Taxon
- Staphylococcus succinus NYN-1Staphylococcus succinust0
- Outcome
- NH4+ productione0
Verbatim
e0“showed plant growth-promoting activities including organic phosphorus mineralization, inorganic phosphate solubilization, potassium solubilization, and NH4+ production”
t0“Staphylococcus succinus NYN-1”
Claim · model-written summary
In pot experiments under 300 mM NaCl, inoculation with NYN-1 significantly improved the growth performance of maize (Zea mays L.).
- Treatment
- inoculation with NYN-1e0
- Interactor
- NYN-1e0symbiont
- Outcome
- growth performancee0
- Direction
- improvede0
- Qualifier
- 300 mM NaCle0
- Setting
- pot experimentse0
Zea maysNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In pot experiments under 300 mM NaCl, inoculation with NYN-1 significantly improved the growth performance of maize (Zea mays L.), cotton (Gossypium hirsutum L.), and sunflower (Helianthus annuus L.)”
Claim · model-written summary
In pot experiments under 300 mM NaCl, inoculation with NYN-1 significantly improved the growth performance of cotton (Gossypium hirsutum L.).
- Taxon
- cotton
Gossypium hirsutume0 - Treatment
- inoculation with NYN-1e0
- Interactor
- NYN-1e0symbiont
- Outcome
- growth performancee0
- Direction
- improvede0
- Qualifier
- 300 mM NaCle0
- Setting
- pot experimentse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In pot experiments under 300 mM NaCl, inoculation with NYN-1 significantly improved the growth performance of maize (Zea mays L.), cotton (Gossypium hirsutum L.), and sunflower (Helianthus annuus L.)”
Claim · model-written summary
In pot experiments under 300 mM NaCl, inoculation with NYN-1 significantly improved the growth performance of sunflower (Helianthus annuus L.).
- Taxon
- sunflower
Helianthus annuuse0 - Treatment
- inoculation with NYN-1e0
- Interactor
- NYN-1e0symbiont
- Outcome
- growth performancee0
- Direction
- improvede0
- Qualifier
- 300 mM NaCle0
- Setting
- pot experimentse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In pot experiments under 300 mM NaCl, inoculation with NYN-1 significantly improved the growth performance of maize (Zea mays L.), cotton (Gossypium hirsutum L.), and sunflower (Helianthus annuus L.)”
Claim · model-written summary
Genome analysis of NYN-1 identified multiple Na+/H+ antiporter-related genes and genes encoding compatible-solute transport systems, consistent with adaptation to salt-alkali stress.
- Taxon
- Staphylococcus succinus NYN-1Staphylococcus succinust0
- Outcome
- Na+/H+ antiporter-related genes and genes encoding compatible-solute transport systemse0
Verbatim
e0“Genome analysis identified multiple Na+/H+ antiporter-related genes and genes encoding compatible-solute transport systems”
t0“Staphylococcus succinus NYN-1”
Claim · model-written summary
The NYN-1 genome harbors a broad set of genes related to phosphorus metabolism and other plant growth-promoting functions, including potassium solubilization-related pathways and siderophore biosynthesis.
- Taxon
- Staphylococcus succinus NYN-1Staphylococcus succinust0
- Outcome
- broad set of genes related to phosphorus metabolisme0
Verbatim
e0“The genome also harbors a broad set of genes related to phosphorus metabolism, as well as other plant growth-promoting functions, including potassium solubilization-related pathways and siderophore biosynthesis”
t0“Staphylococcus succinus NYN-1”
Claim · model-written summary
The authors conclude that S. succinus NYN-1 is a promising native halophilic PGPR candidate and a potential microbial resource for developing inoculant strategies in salt-affected agricultural systems.
- Taxon
- S. succinus NYN-1Staphylococcus succinuse0
- Outcome
- promising native halophilic PGPR candidatee0
Verbatim
e0“these findings identify S. succinus NYN-1 as a promising native halophilic PGPR candidate”
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See all 699 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.