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Rice Acid Soil Bioinoculant SynCom

Community ID CommunityMech:000109
Ecological State ENGINEERED
Environment contaminated soil
ENVO:00002116 · HabitatMech ↗

A customized rhizosphere-competent bacterial SynCom used as a bioinoculant to improve rice production in acid soils.

Taxonomy

Taxon Ontology ID Functional Roles Abundance
rice rhizosphere-competent bacteria — ontology label: Bacteria NCBITaxon:2 · TaxonMech · TraitMech N/A
  • PMID:38324131 - SUPPORT (IN_VITRO)
    "A customised synthetic microbial community (SynCom) composed of carefully selected rhizosphere-competent bacterial strains improved rice growth, yield and resistance to soil acidity and Al toxicity."

Ecological Interactions

The graph shows only explicitly linked interaction participants. Community members without an asserted participant link are omitted; membership alone does not imply an interaction.

Ecological interaction network for Rice Acid Soil Bioinoculant SynCom Bipartite graph where circles represent taxa and non-circular symbols represent interactions. Rare or untyped interactions share the Other symbol; exact curated types remain in the interaction details.
Taxon
Other

Rhizodeposited Carbon-Fueled SynCom Proliferation

The rice SynCom used rhizodeposited carbon from the host plant to proliferate successfully in the rhizosphere under acidic-soil conditions.

Biological Processes:

Downstream Effects:
→ Extracellular Al-Toxicity Mitigation

HYPOTHESIZED: root-carbon-supported proliferation supplies an active community capable of extracellular acid/Al mitigation. The accessible primary abstract reports both processes but does not isolate proliferation as the mediator; chronology alone is not causal proof.

Evidence

  • PMID:37783790 - SUPPORT (IN_VIVO)
    "The synthetic community harvested rhizodeposited carbon for successful proliferation"

Extracellular Al-Toxicity Mitigation

The proliferating rice SynCom mitigated soil acidification and aluminium toxicity through an extracellular protonation mechanism.

Metabolites: aluminium(3+) (CHEBI:49470 · MediaIngredientMech · CMMMech)

Biological Processes:

Downstream Effects:
→ Topsoil Legacy Phosphorus Usage

HYPOTHESIZED: mitigation of acidic-soil Al stress could help plant-microbe coordination improve access to legacy phosphorus. This direction is an authors proposed route, not quantitatively resolved mediation in the accessible abstract.

→ Acidic-Field Rice Yield Increase

PARTIAL: reduced acidification and Al toxicity are proposed contributors to the positive SynCom field-yield response, but the accessible abstract does not separate their contribution from other community effects.

Evidence

  • PMID:37783790 - SUPPORT (IN_VIVO)
    "mitigated soil acidification and Al toxicity through extracellular protonation"

Topsoil Legacy Phosphorus Usage

HYPOTHESIZED: plant-SynCom coordination offers a route to greater use of legacy phosphorus in acidic topsoil. The accessible primary abstract presents this as a promising application, not a quantified phosphorus flux or an isolated causal mediator of yield.

Metabolites: phosphorus (CHEBI:28659 · MediaIngredientMech · CMMMech)

Downstream Effects:
→ Acidic-Field Rice Yield Increase

HYPOTHESIZED: improved legacy-phosphorus access could contribute to yield, but the accessible abstract does not demonstrate that this pathway mediates the measured 26.36% field response.

Evidence

  • PMID:37783790 - PARTIAL (IN_VIVO)
    "The functional coordination between plants and microbes offers a promising way to increase the usage of legacy phosphorus in topsoil."

Acidic-Field Rice Yield Increase

The primary study reports a 26.36% rice-yield increase with the Al-resistant SynCom in acidic fields. This positive intervention outcome is distinct from proof of any single phosphorus- or Al-mediated causal pathway.

Biological Processes:

Evidence

  • PMID:37783790 - SUPPORT (IN_VIVO)
    "increased rice yield by 26.36% in acidic fields"

Knowledge gaps & discussions (1)

KNOWLEDGE_GAP OPEN How much of the field-yield benefit is mediated by Al mitigation versus phosphorus access?

Only the primary abstract and limited publisher preview/caption were accessible, not the complete primary main text or supplements. The abstract directly supports root-carbon use, extracellular protonation/Al mitigation and the field-yield result. It does not separate their mediation or quantify the proposed legacy-phosphorus route. Retain the four existing directions as explicitly uncertain interpretations, not causal certification from sequence alone. The commentary PMID:38324131 is not independent primary mechanistic evidence. Generic membership and non-graph phosphorus claims remain issue1759.

Attaches to: ecological_interactions#Rhizodeposited Carbon-Fueled SynCom Proliferation, ecological_interactions#Extracellular Al-Toxicity Mitigation, ecological_interactions#Topsoil Legacy Phosphorus Usage, ecological_interactions#Acidic-Field Rice Yield Increase

1 evidence item(s)
IN_VIVO PARTIAL PMID:37783790

The functional coordination between plants and microbes offers a promising way to increase the usage of legacy phosphorus in topsoil.

The wording supports a proposed opportunity, not resolved flux or mediation.

Environmental Factors

Factor Value Unit
defined synthetic community design Carefully selected rhizosphere-competent bacterial strains composed the rice bioinoculant SynCom. N/A
  • PMID:38324131 - SUPPORT (IN_VITRO)
    "A customised synthetic microbial community (SynCom) composed of carefully selected rhizosphere-competent bacterial strains improved rice growth, yield and resistance to soil acidity and Al toxicity."

Cross-Mech Suite Links

Explore related entities across the CultureBotAI X-Mech knowledge bases:

HabitatMech: contaminated soil ↗ TaxonMech: rice rhizosphere-competent bacteria ↗ TraitMech: rice rhizosphere-competent bacteria ↗ CultureMech Growth Media ↗ PathwayMech Pathways ↗