Sinorhizobium meliloti 210 claims

species · family Rhizobiaceae · bacterium · NCBI Taxonomy ↗

Also written in claims: Rhizobium meliloti · R. meliloti · R.meliloti · S. meliloti 1021 · S. meliloti Rm1021 — NCBI synonyms: Ensifer meliloti · Rhizobium meliloti · Sinorhizobium meliloti (Dangeard 1926) De Lajudie et al. 1994

Listed here with its subspecies, varieties and cultivar groups: Sinorhizobium meliloti 1021 (5 claims), Sinorhizobium meliloti GR4 (1 claim)

9 spellings

Questions studied on this organism1 question2 papers

Sinorhizobium melilotiNinjatacoshell · CC BY-SA 3.0 · Wikimedia Commons ↗

210 claims

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Mechanismobservedoriginal resultmeasured

Claim · model-written summary

Assembly of BR-bodies into visible foci in S. meliloti cells requires the C-terminal intrinsically disordered region of RNase E in vivo and in vitro.

Taxon: S. melilotiSinorhizobium melilotie0
Gene: C-terminal intrinsically disordered region (IDR) of RNase Ee0
Outcome: assembly of BR-bodies into visible focie0

Verbatim

e0
“assembly of BR-bodies into visible foci in S. meliloti cells requires the C-terminal intrinsically disordered region (IDR) of RNase E in vivo and in vitro”
✓ located verbatim in the source · abstract, characters 595–749

Title

Sinorhizobium meliloti BR-bodies promote fitness during host colonization

Kaveendya S. Mallikaarachchi; Jason L. Huang; Shanmukha Madras; et al. mBio 2025. doi:10.1128/mbio.02490-25

Other claims from this paper (6)

Observation Foci fusion of BR-bodies is readily observed in vivo in S. meliloti.
Intervention effect A mutant deficient in BR-bodies showed a global slowdown in mRNA decay.
Observation The abundance of BR-bodies increases upon cell stress.
Mechanism BR-bodies promote resistance to environmental stresses.
Observation BR-bodies enhance competitive fitness of S. meliloti during Medicago truncatula root colonization.
Intervention effect Mutants without BR-bodies failed to promote robust plant growth on nitrogen-free medium.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Foci fusion of BR-bodies is readily observed in vivo in S. meliloti.

Taxon: S. melilotiSinorhizobium melilotie1
Outcome: foci fusione0
Setting: in vivoe0

Verbatim

e0
“foci fusion is readily observed in vivo”
✓ located verbatim in the source · abstract, characters 756–795

e1
“S. meliloti cells”
✓ located verbatim in the source · abstract, characters 638–655

Title

Sinorhizobium meliloti BR-bodies promote fitness during host colonization

Kaveendya S. Mallikaarachchi; Jason L. Huang; Shanmukha Madras; et al. mBio 2025. doi:10.1128/mbio.02490-25

Other claims from this paper (6)

Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

A mutant deficient in BR-bodies showed a global slowdown in mRNA decay.

Taxon: Sinorhizobium melilotiSinorhizobium melilotit0
Treatment: a mutant deficient in BR-bodiese0
Outcome: mRNA decaye0
Direction: slowdowne0

Not reportedComparator

Verbatim

t0
“Sinorhizobium meliloti”
✓ located verbatim in the source · title, characters 0–22

e0
“we found a global slowdown in mRNA decay in a mutant deficient in BR-bodies”
✓ located verbatim in the source · abstract, characters 922–997

Title

Sinorhizobium meliloti BR-bodies promote fitness during host colonization

Kaveendya S. Mallikaarachchi; Jason L. Huang; Shanmukha Madras; et al. mBio 2025. doi:10.1128/mbio.02490-25

Other claims from this paper (6)

Observationobservedoriginal resultmeasured

Claim · model-written summary

The abundance of BR-bodies increases upon cell stress.

Taxon: Sinorhizobium melilotiSinorhizobium melilotit0
Treatment: cell stresse0
Outcome: abundance of BR-bodiese0
Direction: increasese0

Verbatim

t0
“Sinorhizobium meliloti”
✓ located verbatim in the source · title, characters 0–22

e0
“the abundance of BR-bodies increases upon cell stress”
✓ located verbatim in the source · abstract, characters 1196–1249

Title

Sinorhizobium meliloti BR-bodies promote fitness during host colonization

Kaveendya S. Mallikaarachchi; Jason L. Huang; Shanmukha Madras; et al. mBio 2025. doi:10.1128/mbio.02490-25

Other claims from this paper (6)

Mechanismauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

BR-bodies promote resistance to environmental stresses.

Taxon: Sinorhizobium melilotiSinorhizobium melilotit0
Outcome: resistance to environmental stressese0
Qualifier: they promotee0

Verbatim

t0
“Sinorhizobium meliloti”
✓ located verbatim in the source · title, characters 0–22

e0
“whereby they promote resistance to environmental stresses”
✓ located verbatim in the source · abstract, characters 1251–1308

Title

Sinorhizobium meliloti BR-bodies promote fitness during host colonization

Kaveendya S. Mallikaarachchi; Jason L. Huang; Shanmukha Madras; et al. mBio 2025. doi:10.1128/mbio.02490-25

Other claims from this paper (6)

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

BR-bodies enhance competitive fitness of S. meliloti during Medicago truncatula root colonization.

Taxon: Sinorhizobium melilotiSinorhizobium melilotit0
Interactor: Medicago truncatulaMedicago truncatulae0host
Outcome: competitive fitnesse0
Direction: enhancee0
Setting: root colonizatione0

Verbatim

t0
“Sinorhizobium meliloti”
✓ located verbatim in the source · title, characters 0–22

e0
“BR-bodies enhance competitive fitness during Medicago truncatula root colonization”
✓ located verbatim in the source · abstract, characters 1332–1414

Title

Sinorhizobium meliloti BR-bodies promote fitness during host colonization

Kaveendya S. Mallikaarachchi; Jason L. Huang; Shanmukha Madras; et al. mBio 2025. doi:10.1128/mbio.02490-25

Other claims from this paper (6)

Mechanism Assembly of BR-bodies into visible foci in S. meliloti cells requires the C-terminal intrinsically disordered region of RNase E in vivo and in vitro.
Observation Foci fusion of BR-bodies is readily observed in vivo in S. meliloti.
Intervention effect A mutant deficient in BR-bodies showed a global slowdown in mRNA decay.
Observation The abundance of BR-bodies increases upon cell stress.
Mechanism BR-bodies promote resistance to environmental stresses.
Intervention effect Mutants without BR-bodies failed to promote robust plant growth on nitrogen-free medium.

Mechanismobservedoriginal resultmeasured

Claim · model-written summary

The lipoprotein LppA and the lipoprotein-metalloprotease JspA jointly influence EPS-I synthesis in Sinorhizobium meliloti by modulating the ExoR-ExoS-ChvI pathway.

Taxon: Sinorhizobium melilotiSinorhizobium melilotit0
Gene: LppA (a lipoprotein) and JspAe0
Outcome: EPS-I synthesise0

Verbatim

t0
“Sinorhizobium meliloti”
✓ located verbatim in the source · title, characters 105–127

e0
“two extracytoplasmic proteins, LppA (a lipoprotein) and JspA (a lipoprotein and a metalloprotease), jointly influence EPS-I synthesis by modulating the ExoR-ExoS-ChvI pathway”
✓ located verbatim in the source · abstract, characters 607–781

Title

A protease and a lipoprotein jointly modulate the conserved ExoR-ExoS-ChvI signaling pathway critical in Sinorhizobium meliloti for symbiosis with legume hosts

Julian A. Bustamante; Josue S. Ceron; Ivan Thomas Gao; et al. PLoS Genetics 2023. doi:10.1371/journal.pgen.1010776

Other claims from this paper (7)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Deletions of jspA and lppA led to lower EPS-I production in S. meliloti.

Taxon: Sinorhizobium melilotiSinorhizobium melilotit0
Treatment: Deletions of jspA and lppAe0
Gene: jspA and lppAe0
Outcome: EPS-I productione0
Direction: lowere0

Not reportedComparator

Verbatim

t0
“Sinorhizobium meliloti”
✓ located verbatim in the source · title, characters 105–127

e0
“Deletions of jspA and lppA led to lower EPS-I production”
✓ located verbatim in the source · abstract, characters 827–883

Title

A protease and a lipoprotein jointly modulate the conserved ExoR-ExoS-ChvI signaling pathway critical in Sinorhizobium meliloti for symbiosis with legume hosts

Julian A. Bustamante; Josue S. Ceron; Ivan Thomas Gao; et al. PLoS Genetics 2023. doi:10.1371/journal.pgen.1010776

Other claims from this paper (7)

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Overexpression of jspA reduced steady-state ExoR levels in S. meliloti.

Taxon: Sinorhizobium melilotiSinorhizobium melilotit0
Treatment: Overexpression of jspAe0
Gene: jspAe0
Outcome: steady-state levels of ExoRe0
Direction: reducede0

Not reportedComparator

Verbatim

t0
“Sinorhizobium meliloti”
✓ located verbatim in the source · title, characters 105–127

e0
“Overexpression of jspA reduced steady-state levels of ExoR”
✓ located verbatim in the source · abstract, characters 1016–1074

Title

A protease and a lipoprotein jointly modulate the conserved ExoR-ExoS-ChvI signaling pathway critical in Sinorhizobium meliloti for symbiosis with legume hosts

Julian A. Bustamante; Josue S. Ceron; Ivan Thomas Gao; et al. PLoS Genetics 2023. doi:10.1371/journal.pgen.1010776

Other claims from this paper (7)

Mechanismauthor interpretationoriginal resultmeasured

Claim · model-written summary

The authors suggest that the JspA protease participates in ExoR degradation.

Taxon: Sinorhizobium melilotiSinorhizobium melilotit0
Gene: JspA proteasee0
Outcome: ExoR degradatione0

Verbatim

t0
“Sinorhizobium meliloti”
✓ located verbatim in the source · title, characters 105–127

e0
“suggesting that the JspA protease participates in ExoR degradation”
✓ located verbatim in the source · abstract, characters 1076–1142

Title

A protease and a lipoprotein jointly modulate the conserved ExoR-ExoS-ChvI signaling pathway critical in Sinorhizobium meliloti for symbiosis with legume hosts

Julian A. Bustamante; Josue S. Ceron; Ivan Thomas Gao; et al. PLoS Genetics 2023. doi:10.1371/journal.pgen.1010776

Other claims from this paper (7)