By interacting organism › Bacteria › Frankiaceae › Frankia alni

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Fungal communities from mature forests suppressed Frankia growth promotion in Alnus glutinosa.

Taxon: Alnus glutinosaAlnus glutinosat0
Treatment: fungal communities from mature forestse0
Interactor: F. alniFrankia alnie0symbiont
Outcome: growth-promoting effects of F. alnie0
Direction: suppressede0

Not reportedComparator

Verbatim

t0
“Alnus glutinosa”
✓ located verbatim in the source · title, characters 84–99

e0
“fungal communities from mature forests suppressed the growth-promoting effects of F. alni”
✓ located verbatim in the source · abstract, characters 848–937

Title

Soil microbes and nutrient inputs influence root nodulation and tree performance in Alnus glutinosa

Konstantinos Georgopoulos; T. Martijn Bezemer; Lars Vesterdal; et al. Applied Soil Ecology 2025. doi:10.1016/j.apsoil.2025.106466

Other claims from this paper (6)

Intervention effect Mature forest fungal communities did not directly change nodule biomass.
Observation Specific isolated bacteria and fungi contributed to inhibition of Frankia mediated growth promotion.
Intervention effect Increased nitrogen availability significantly reduced Alnus nodule biomass.
Observation The study established a nitrogen threshold beyond which reliance on symbiosis diminished.
Intervention effect Phosphorus addition stimulated Alnus nodulation.
Intervention effect Phosphorus addition stimulated Alnus tree growth.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Mature forest fungal communities did not directly change nodule biomass.

Taxon: Alnus glutinosaAlnus glutinosat0
Treatment: fungal communities from mature forestse0
Interactor: F. alniFrankia alnie0symbiont
Outcome: nodule biomasse0
Direction: not directly influencede0

Not reportedComparator

Verbatim

t0
“Alnus glutinosa”
✓ located verbatim in the source · title, characters 84–99

e0
“fungal communities from mature forests suppressed the growth-promoting effects of F. alni , although nodule biomass itself was not directly influenced.”
✓ located verbatim in the source · abstract, characters 848–999

Title

Soil microbes and nutrient inputs influence root nodulation and tree performance in Alnus glutinosa

Konstantinos Georgopoulos; T. Martijn Bezemer; Lars Vesterdal; et al. Applied Soil Ecology 2025. doi:10.1016/j.apsoil.2025.106466

Other claims from this paper (6)

Intervention effect Fungal communities from mature forests suppressed Frankia growth promotion in Alnus glutinosa.
Observation Specific isolated bacteria and fungi contributed to inhibition of Frankia mediated growth promotion.
Intervention effect Increased nitrogen availability significantly reduced Alnus nodule biomass.
Observation The study established a nitrogen threshold beyond which reliance on symbiosis diminished.
Intervention effect Phosphorus addition stimulated Alnus nodulation.
Intervention effect Phosphorus addition stimulated Alnus tree growth.

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Specific isolated bacteria and fungi contributed to inhibition of Frankia mediated growth promotion.

Taxon: Alnus glutinosaAlnus glutinosat0
Interactor: F. alniFrankia alnie0symbiont
Outcome: inhibitory effects on F. alni -mediated growth promotione0

Verbatim

t0
“Alnus glutinosa”
✓ located verbatim in the source · title, characters 84–99

e0
“we isolated and identified bacteria and fungi that were found to contribute to the observed inhibitory effects on F. alni -mediated growth promotion”
✓ located verbatim in the source · abstract, characters 1009–1157

Title

Soil microbes and nutrient inputs influence root nodulation and tree performance in Alnus glutinosa

Konstantinos Georgopoulos; T. Martijn Bezemer; Lars Vesterdal; et al. Applied Soil Ecology 2025. doi:10.1016/j.apsoil.2025.106466

Other claims from this paper (6)

Intervention effect Fungal communities from mature forests suppressed Frankia growth promotion in Alnus glutinosa.
Intervention effect Mature forest fungal communities did not directly change nodule biomass.
Intervention effect Increased nitrogen availability significantly reduced Alnus nodule biomass.
Observation The study established a nitrogen threshold beyond which reliance on symbiosis diminished.
Intervention effect Phosphorus addition stimulated Alnus nodulation.
Intervention effect Phosphorus addition stimulated Alnus tree growth.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Both Frankia variant types induced nodulation in Alnus glutinosa.

Taxon: Alnus glutinosaAlnus glutinosae2
Interactor: Frankia alniFrankia alnie0symbiont
Outcome: nodulatione2

Verbatim

e0
“From a cell population of Frankia alni strain ACN14a that had been subcultured for over 30 years, we identified two types of variants (types A and S) with a different colony appearance”
✓ located verbatim in the source · abstract, characters 177–361

e2
“When inoculated to a host plant Alnus glutinosa, both types induced nodulation”
✓ located verbatim in the source · abstract, characters 626–704

Title

Structure of surface polysaccharides affects symbiotic nitrogen fixation in Frankia alni ACN14a

Ken-Ichi Kucho; Masahito Hashimoto; Philippe Normand; et al. Journal of Forest Research 2022. doi:10.1080/13416979.2022.2136561

Other claims from this paper (4)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Plants infected with type S isolates had much lower nitrogen fixation activity than those infected with type A isolates.

Taxon: Alnus glutinosaAlnus glutinosae2
Treatment: type S isolatese3
Interactor: Frankia alniFrankia alnie0symbiont
Outcome: nitrogen fixation activitye3
Direction: lowere3
Comparator: type A isolatese3

Verbatim

e0
“From a cell population of Frankia alni strain ACN14a that had been subcultured for over 30 years, we identified two types of variants (types A and S) with a different colony appearance”
✓ located verbatim in the source · abstract, characters 177–361

e2
“When inoculated to a host plant Alnus glutinosa, both types induced nodulation”
✓ located verbatim in the source · abstract, characters 626–704

e3
“but plants infected with type S isolates showed much lower nitrogen fixation activity than those infected with type A isolates”
✓ located verbatim in the source · abstract, characters 705–831

Title

Structure of surface polysaccharides affects symbiotic nitrogen fixation in Frankia alni ACN14a

Ken-Ichi Kucho; Masahito Hashimoto; Philippe Normand; et al. Journal of Forest Research 2022. doi:10.1080/13416979.2022.2136561

Other claims from this paper (4)

Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

250 proteins of Frankia alni were significantly overabundant in Alnus glutinosa nodules compared with pure culture.

Taxon: Alnus glutinosaAlnus glutinosat0
Organ / stage: nodulese2
Interactor: Frankia alniFrankia alnie1symbiont
Outcome: proteinse2
Direction: overabundante2
Value: 250e2

Verbatim

e1
“symbiotic Frankia alni”
✓ located verbatim in the source · abstract, characters 172–194

e2
“There were 250 proteins that were significantly overabundant in nodules”
✓ located verbatim in the source · abstract, characters 392–463

t0
“Alnus glutinosa”
✓ located verbatim in the source · title, characters 46–61

Title

The Proteogenome of Symbiotic Frankia alni in Alnus glutinosa Nodules

Petar Pujic; Nicole Alloisio; Guylaine Miotello; et al. Microorganisms 2022. doi:10.3390/microorganisms10030651

Other claims from this paper (7)

Associationobservedoriginal resultmeasured

Claim · model-written summary

Several Frankia alni transporters were overabundant, including one for dicarboxylates and one for branched amino acids.

Taxon: Alnus glutinosaAlnus glutinosat0
Interactor: Frankia alniFrankia alnie1symbiont
Outcome: transporterse6
Direction: overabundante6
Qualifier: one for dicarboxylates and one for branched amino acidse6

Verbatim

e1
“symbiotic Frankia alni”
✓ located verbatim in the source · abstract, characters 172–194

e6
“Several transporters were overabundant including one for dicarboxylates and one for branched amino acids”
✓ located verbatim in the source · abstract, characters 905–1009

t0
“Alnus glutinosa”
✓ located verbatim in the source · title, characters 46–61

Title

The Proteogenome of Symbiotic Frankia alni in Alnus glutinosa Nodules

Petar Pujic; Nicole Alloisio; Guylaine Miotello; et al. Microorganisms 2022. doi:10.3390/microorganisms10030651

Other claims from this paper (7)

Observationobservedoriginal resultmeasured

Claim · model-written summary

In nodules, nsLTP bound F. alni ACN14a vesicle surfaces.

Taxon: Alnus glutinosaAlnus glutinosae2
Organ / stage: nodulese0
Interactor: F. alni ACN14aFrankia alnie0symbiont
Gene: nsLTPe1
Outcome: binds to the surface of F. alni ACN14a vesiclese0

Verbatim

e0
“Later in nodules, it binds to the surface of F. alni ACN14a vesicles”
✓ located verbatim in the source · abstract, characters 1026–1094

e1
“this nsLTP was immunolocalized”
✓ located verbatim in the source · abstract, characters 898–928

e2
“Alnus glutinosa to Frankia alni ACN14a”
✓ located verbatim in the source · abstract, characters 16–54

Title

A Nonspecific Lipid Transfer Protein with Potential Functions in Infection and Nodulation

Mélanie Gasser; Nicole Alloisio; Pascale Fournier; et al. Molecular Plant-Microbe Interactions 2022. doi:10.1094/mpmi-06-22-0131-r

Other claims from this paper (6)

Mechanismauthor interpretationoriginal resultmeasured

Claim · model-written summary

The authors interpret early host immunity as activated on contact, with part of defense switched off during nodulation.

Taxon: Alnus glutinosaAlnus glutinosae1
Interactor: F. alni ACN14aFrankia alnie0symbiont
Outcome: plant immunity responsee0
Qualifier: upon first contacte0

Verbatim

e0
“the activation of the plant immunity response occurs upon first contact, while the recognition of F. alni ACN14a genes switches off part of the defense system during nodulation”
✓ located verbatim in the source · abstract, characters 1309–1485

e1
“Alnus glutinosa to Frankia alni ACN14a”
✓ located verbatim in the source · abstract, characters 16–54

Title

A Nonspecific Lipid Transfer Protein with Potential Functions in Infection and Nodulation

Mélanie Gasser; Nicole Alloisio; Pascale Fournier; et al. Molecular Plant-Microbe Interactions 2022. doi:10.1094/mpmi-06-22-0131-r

Other claims from this paper (6)

Mechanismauthor interpretationoriginal resultmeasured

Claim · model-written summary

AgLTP24 is interpreted as a defense component maintained throughout symbiosis, potentially affecting infection threads, nodule primordia or Frankia proliferation.

Taxon: Alnus glutinosaAlnus glutinosae1
Interactor: F. alniFrankia alnie0symbiont
Gene: AgLTP24e0
Outcome: defense systeme0
Qualifier: potential functionse0

Verbatim

e0
“AgLTP24 constitutes a part of the defense system that is maintained all along the symbiosis, with potential functions such as the formation of infection threads or nodule primordia to the control of F. alni proliferation”
✓ located verbatim in the source · abstract, characters 1487–1707

e1
“Alnus glutinosa to Frankia alni ACN14a”
✓ located verbatim in the source · abstract, characters 16–54

Title

A Nonspecific Lipid Transfer Protein with Potential Functions in Infection and Nodulation

Mélanie Gasser; Nicole Alloisio; Pascale Fournier; et al. Molecular Plant-Microbe Interactions 2022. doi:10.1094/mpmi-06-22-0131-r

Other claims from this paper (6)

Frankia alni 26 claims

26 claims