By interacting organism › Bacteria › Comamonadaceae › Variovorax

Observationobservedoriginal resultmeasured

Claim · model-written summary

Clark recruited Variovorax under combined stress.

Taxon: soybeanGlycine maxt0
Material: Clarke0
Interactor: VariovoraxVariovoraxe0symbiont
Outcome: recruiting Variovoraxe0
Comparator: Arisoye0

Verbatim

e0
“Clark recruiting Variovorax and Paecilomyces, whereas Arisoy exhibited the opposite pattern”
✓ located verbatim in the source · abstract, characters 847–938

t0
“soybean”
✓ located verbatim in the source · title, characters 131–138

Title

Iron retention coupled with trade-offs in localized symbiotic effects confers tolerance to combined iron deficiency and drought in soybean

Md Rokibul Hasan; Asha Thapa; Ahmad H Kabir Journal of Experimental Botany 2025. doi:10.1093/jxb/eraf263

Other claims from this paper (12)

Observation Clark sustained osmotic regulation and nutrient uptake under stress relative to Arisoy.
Mechanism Iron retention and ferritin-like protein up-regulation in Clark may limit oxidative stress.
Observation Symbiotic genes Chalcone-flavonone isomerase 1 and SWEET10 were up-regulated in Clark.
Observation Rhizosphere siderophore increased in Clark.
Observation Root flavonoid increased in Clark.
Observation Combined stress altered root and nodule microbiomes differently between Clark and Arisoy.
Observation Clark recruited Paecilomyces under combined stress.
Observation Clark maintained nodule Bradyrhizobium and tissue nitrogen status.
Observation Clark retained ammonium and induced Ammonium transporter 1 in roots.
Observation Variovorax paradoxus and Paecilomyces lilacinus were compatible in vitro and their localized signals benefited Clark.
Intervention effect Enriched microbiomes enhanced growth in sensitive genotypes under stress.
Intervention effect Enriched microbiomes increased rhizosphere siderophore levels in sensitive genotypes under stress.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Variovorax protected plants from Arthrobacter-induced root growth inhibition in synthetic communities.

Taxon: sorghumSorghume1
Treatment: Variovorax strainse0
Interactor: ArthrobacterArthrobactere0other
Second interactor: VariovoraxVariovoraxe0symbiont
Outcome: Arthrobacter-caused RGIe0

Not reportedComparatorDirection

Verbatim

e0
“In the context of synthetic communities, Variovorax strains were able to protect plants from Arthrobacter-caused RGI.”
✓ located verbatim in the source · abstract, characters 692–809

e1
“staple cereal crop sorghum”
✓ located verbatim in the source · abstract, characters 358–384

Title

Identification of beneficial and detrimental bacteria impacting sorghum responses to drought using multi-scale and multi-system microbiome comparisons

Salas-González, Isai; Holcomb, Emily; Qi, Mingsheng; et al. UNC Libraries 2025. doi:10.17615/bt7f-1361

Other claims from this paper (7)

Intervention effect Two Arthrobacter strains inhibited root growth in Arabidopsis and sorghum.
Intervention effect Two Arthrobacter strains inhibited Arabidopsis root growth.
Association Under drought, Arthrobacter-colonized plants had reduced growth.
Association Under drought, Arthrobacter-colonized plants had reduced leaf water content.
Intervention effect Under drought, dual Arthrobacter and Variovorax colonization performed at least as well as controls.
Association Field Arthrobacter abundance was negatively correlated with sorghum growth.
Method / resource Cross-referenced experiments identified bacteria positively associated with plant growth under drought.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Under drought, dual Arthrobacter and Variovorax colonization performed at least as well as controls.

Taxon: sorghumSorghume1
Treatment: colonized by both Arthrobacter and Variovoraxe0
Interactor: ArthrobacterArthrobactere0other
Second interactor: VariovoraxVariovoraxe0symbiont
Outcome: performed as well or bettere0
Direction: as well or bettere0
Comparator: control plantse0

Verbatim

e0
“Plants colonized by both Arthrobacter and Variovorax performed as well or better than control plants.”
✓ located verbatim in the source · abstract, characters 1007–1108

e1
“staple cereal crop sorghum to identify”
✓ located verbatim in the source · abstract, characters 358–396

Title

Identification of beneficial and detrimental bacteria impacting sorghum responses to drought using multi-scale and multi-system microbiome comparisons

Salas-González, Isai; Holcomb, Emily; Qi, Mingsheng; et al. UNC Libraries 2025. doi:10.17615/bt7f-1361

Other claims from this paper (7)

Intervention effect Two Arthrobacter strains inhibited root growth in Arabidopsis and sorghum.
Intervention effect Two Arthrobacter strains inhibited Arabidopsis root growth.
Intervention effect Variovorax protected plants from Arthrobacter-induced root growth inhibition in synthetic communities.
Association Under drought, Arthrobacter-colonized plants had reduced growth.
Association Under drought, Arthrobacter-colonized plants had reduced leaf water content.
Association Field Arthrobacter abundance was negatively correlated with sorghum growth.
Method / resource Cross-referenced experiments identified bacteria positively associated with plant growth under drought.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

False acacia intercropping enriched Bradyrhizobium and Variovorax.

Taxon: konjacAmorphophallus konjact0
Treatment: false acacia intercropping systeme0
Interactor: Bradyrhizobium and VariovoraxBradyrhizobiumVariovoraxe0symbiont
Outcome: Bradyrhizobium and Variovoraxe0
Direction: enrichede0

Not reportedComparator

Verbatim

e0
“Beneficial microorganisms such as Bradyrhizobium and Variovorax were enriched under a false acacia intercropping system”
✓ located verbatim in the source · abstract, characters 1060–1179

t0
“konjac”
✓ located verbatim in the source · title, characters 70–76

Title

Intercropping with Robinia pseudoacacia reduces soft rot incidence in konjac by modulating the root bacterial community

Panpan Meng; Kexu Xin; Zhoumin Lu; et al. Pest Management Science 2024. doi:10.1002/ps.8405

Other claims from this paper (9)

Associationobservedoriginal resultmeasured

Claim · model-written summary

Bradyrhizobium and Variovorax abundance was negatively correlated with available soil phosphorus.

Taxon: konjacAmorphophallus konjact0
Interactor: Bradyrhizobium and VariovoraxBradyrhizobiumVariovoraxe0symbiont
Compound: soil-available phosphoruse0
Outcome: Bradyrhizobium and Variovoraxe0
Direction: negatively correlatede0

Verbatim

e0
“Bradyrhizobium and Variovorax were enriched under a false acacia intercropping system and were negatively correlated with soil-available phosphorus.”
✓ located verbatim in the source · abstract, characters 1094–1242

t0
“konjac”
✓ located verbatim in the source · title, characters 70–76

Title

Intercropping with Robinia pseudoacacia reduces soft rot incidence in konjac by modulating the root bacterial community

Panpan Meng; Kexu Xin; Zhoumin Lu; et al. Pest Management Science 2024. doi:10.1002/ps.8405

Other claims from this paper (9)

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Variovorax P1R9 enhanced wheat germination under salt stress alone or in consortia.

Taxon: wheatTriticum aestivume0
Treatment: strain P1R9e0
Interactor: Variovorax sp.Variovoraxe0symbiont
Outcome: wheat germinatione0
Direction: enhancede0

Not reportedComparator

Verbatim

e0
“strain P1R9, identified as Variovorax sp., enhanced wheat germination under salt stress conditions when applied individually or as part of bacterial consortia”
✓ located verbatim in the source · abstract, characters 801–959

Title

Variovorax sp. strain P1R9 applied individually or as part of bacterial consortia enhances wheat germination under salt stress conditions

Jacquelinne J. Acuña; Joaquin I. Rilling; Nitza G. Inostroza; et al. Scientific Reports 2024. doi:10.1038/s41598-024-52535-0

Other claims from this paper (5)

Observation Forty-two isolates were halotolerant auxin producers.
Observation Forty-two isolates degraded ACC.
Intervention effect Dual consortia containing Variovorax P1R9 increased wheat biomass by 41%.
Intervention effect Dual consortia containing Variovorax P1R9 reduced wheat lipid peroxidation by 33–56%.
Recommendation Authors suggest P1R9 may improve wheat salt tolerance.

Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

The method was used to screen 25 strains of plant growth promoting Variovorax spp. for enhanced plant thermotolerance.

Taxon: ArabidopsisArabidopsist0
Interactor: Variovorax spp.Variovoraxe0symbiont
Outcome: enhanced plant thermotolerancee0
Value: 25 strainse0

Verbatim

t0
“Arabidopsis”
✓ located verbatim in the source · title, characters 49–60

e0
“the method was used to screen 25 strains of the plant growth promoting Variovorax spp. for enhanced plant thermotolerance”
✓ located verbatim in the source · abstract, characters 1074–1195

Title

A rapid assay for assessing bacterial effects on Arabidopsis thermotolerance

Jun Hyung Lee; Leah H. Burdick; Bryan Piatkowski; et al. Plant Methods 2023. doi:10.1186/s13007-023-01022-0

Other claims from this paper (2)

Observationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Rhizobacter and Variovorax, with Polaromonas and Mycobacterium, are significantly enriched in roots of Anisodus tanguticus.

Taxon: Anisodus tanguticusAnisodus tanguticust0
Interactor: RhizobacterRhizobactere3symbiont
Second interactor: VariovoraxVariovoraxe3symbiont
Outcome: significantly enriched in rootse3
Qualifier: Polaromonas, and Mycobacterium genuse3

Verbatim

t0
“Anisodus tanguticus”
✓ located verbatim in the source · title, characters 78–97

e3
“Among them, the main role is played by Rhizobacter, Variovorax, Polaromonas, and Mycobacterium genus that are significantly enriched in roots”
✓ located verbatim in the source · abstract, characters 941–1082

Title

A core root bacteria contribute to plant growth and anisodine accumulation of Anisodus tanguticus

Bo Wang; Chen Chen; Yuanming Xiao; et al. BMC Plant Biology 2023. doi:10.1186/s12870-023-04690-1

Other claims from this paper (5)

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Enriching drought-resistant preference groups altered the structure and function of the spring wheat root-space microbial community.

Taxon: spring wheatTriticum aestivume6
Treatment: Enriching drought-resistant preference groupse6
Interactor: StreptomycesStreptomycese6symbiont
Second interactor: VariovoraxVariovoraxe6symbiont
Outcome: structure and function of the microbial communitye6
Direction: alterede6
Qualifier: Actinobaciota , Variovorax , Streptomyces , and Conocybee6

Not reportedComparator

Verbatim

e6
“Enriching drought-resistant preference groups like Actinobaciota , Variovorax , Streptomyces , and Conocybe altered the structure and function of the microbial community in the root space of spring wheat”
✓ located verbatim in the source · abstract, characters 1292–1495

Title

Character variation of root space microbial community composition in the response of drought-tolerant spring wheat to drought stress

Jing Fang; Shuli Wei; Yanrong Gao; et al. Frontiers in Microbiology 2023. doi:10.3389/fmicb.2023.1235708

Other claims from this paper (7)

Observationobservedoriginal resultmeasured

Claim · model-written summary

Sequencing identified bacterial isolates in six genera.

Taxon: Scots pinePinus sylvestrise1
Interactor: Bacilluse0symbiont
Second interactor: VariovoraxVariovoraxe0symbiont
Outcome: genera Bacillus, Variovorax, Novosphingobium, Sphingomonas, Microbacterium and Priestiae0
Qualifier: Novosphingobium, Sphingomonas, Microbacterium and Priestiae0

Verbatim

e0
“16S rRNA sequencing identified the species as belonging to the genera Bacillus, Variovorax, Novosphingobium, Sphingomonas, Microbacterium and Priestia, which was confirmed by Illumina whole-genome sequencing”
✓ located verbatim in the source · abstract, characters 1346–1553

e1
“native Scots pine (Pinus sylvestris L.) needles”
✓ located verbatim in the source · abstract, characters 446–493

Title

Presence and activity of nitrogen-fixing bacteria in Scots pine needles in a boreal forest: a nitrogen-addition experiment

Tinkara Bizjak; Anita Sellstedt; Regina Gratz; et al. Tree Physiology 2023. doi:10.1093/treephys/tpad048

Other claims from this paper (4)

Intervention effect Nitrogen addition did not change the presence of endophytic nitrogen-fixing bacteria in Scots pine needles.
Intervention effect Nitrogen addition did not change activity of endophytic nitrogen-fixing bacteria in Scots pine needles.
Observation The estimated forest stand nitrogen fixation rate was 20 g N ha-1 year-1.
Observation Ten of thirteen candidate bacterial colonies isolated from pine needles fixed nitrogen in vitro.

Variovorax 50 claims

50 claims