Abstract
Bacteria associated with plants, whether rhizospheric, epiphytic, or endophytic, play a crucial role in plant productivity and health by promoting growth through complex mechanisms known as plant growth promoters. This study aimed to isolate, characterize, identify, and evaluate the potential of endophytic bacteria from the resurrection plant Selaginella lepidophylla in enhancing plant growth, using Arabidopsis thaliana ecotype Col. 0 as a model system. Plant growth-promotion parameters were assessed on the bacterial isolates; this assessment included the quantification of indole-3-acetic acid, phosphate solubilization, and biological nitrogen fixation, a trehalose quantification, and the siderophore production from 163 endophytic bacteria isolated from S. lepidophylla. The bacterial genera identified included Agrobacterium, Burkholderia, Curtobacterium, Enterobacter, Erwinia, Pantoea, Pseudomonas, and Rhizobium. The plant growth promotion in A. thaliana was evaluated both in Murashige Skoog medium, agar-water, and direct seed inoculation. The results showed that the bacterial isolates enhanced primary root elongation and lateral root and root hair development, and increased the fresh and dry biomass. Notably, three isolates promoted early flowering in A. thaliana. Based on these findings, we propose the S. lepidophylla bacterial isolates as ideal candidates for promoting growth in other agriculturally important plants.
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Claims 5
Claim · model-written summary
The bacterial genera identified among the endophytes of Selaginella lepidophylla included Agrobacterium, Burkholderia, Curtobacterium, Enterobacter, Erwinia, Pantoea, Pseudomonas and Rhizobium.
- Taxon
- Selaginella lepidophylla
Selaginella lepidophyllat0 - Outcome
- bacterial genera identifiede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The bacterial genera identified included Agrobacterium, Burkholderia, Curtobacterium, Enterobacter, Erwinia, Pantoea, Pseudomonas, and Rhizobium”
t0“Selaginella lepidophylla”
Claim · model-written summary
The bacterial isolates enhanced primary root elongation and lateral root and root hair development in Arabidopsis thaliana.
- Taxon
- Arabidopsis thaliana
Arabidopsis thalianae2 - Treatment
- bacterial isolatese1
- Interactor
- bacterial isolatese1symbiont
- Outcome
- primary root elongation and lateral root and root hair developmente1
- Direction
- enhancede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“the bacterial isolates enhanced primary root elongation and lateral root and root hair development”
e2“Arabidopsis thaliana ecotype Col. 0”
Claim · model-written summary
The bacterial isolates increased fresh and dry biomass of Arabidopsis thaliana.
- Taxon
- Arabidopsis thalianaArabidopsis thalianae2
- Treatment
- bacterial isolatese3
- Interactor
- bacterial isolatese3symbiont
- Outcome
- fresh and dry biomasse1
- Direction
- increasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“increased the fresh and dry biomass”
e2“Arabidopsis thaliana ecotype Col. 0”
e3“the bacterial isolates enhanced”
Claim · model-written summary
Three bacterial isolates promoted early flowering in Arabidopsis thaliana.
- Taxon
- A. thalianaArabidopsis thalianae1
- Treatment
- three isolatese1
- Interactor
- isolatese1symbiont
- Outcome
- early floweringe1
- Direction
- promotede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“three isolates promoted early flowering in A. thaliana”
Claim · model-written summary
The authors propose the S. lepidophylla bacterial isolates as ideal candidates for promoting growth in other agriculturally important plants.
Verbatim
e1“we propose the S. lepidophylla bacterial isolates as ideal candidates for promoting growth in other agriculturally important plants”
The same questions in other papers
inoculation · growth · Arabidopsis thaliana (thale cress)Positive and negative results
45 papers in the same direction as this paper · 6 in the opposite direction
- no effect
- no effect
- no effect
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See all 52 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.