Abstract
Plant growth-promoting bacteria (PGPB) are components of the plant rhizosphere that promote plant growth and/or inhibit pathogen activity. To explore the cotton seedlings response to Bacillus circulans GN03 with high efficiency of plant growth promotion and disease resistance, a pot experiment was carried out, in which inoculations levels of GN03 were set at 10 4 and 10 8 cfu ⋅ mL –1 . The results showed that GN03 inoculation remarkably enhanced growth promotion as well as disease resistance of cotton seedlings. GN03 inoculation altered the microbiota in and around the plant roots, led to a significant accumulation of growth-related hormones (indole acetic acid, gibberellic acid, and brassinosteroid) and disease resistance-related hormones (salicylic acid and jasmonic acid) in cotton seedlings, as determined with ELISA, up-regulated the expression of phytohormone synthesis-related genes ( EDS1 , AOC1 , BES1 , and GA20ox ), auxin transporter gene ( Aux1 ), and disease-resistance genes ( NPR1 and PR1 ). Comparative genomic analyses was performed between GN03 and four similar species, with regards to phenotype, biochemical characteristics, and gene function. This study provides valuable information for applying the PGPB alternative, GN03, as a plant growth and disease-resistance promoting fertilizer.
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Claims 8
Claim · model-written summary
GN03 inoculation promoted cotton seedling growth.
- Taxon
- cotton seedlings
Gossypium hirsutume0 - Treatment
- GN03 inoculatione0
- Interactor
- Bacillus circulans GN03t1symbiont
- Outcome
- growth promotione0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“GN03 inoculation remarkably enhanced growth promotion as well as disease resistance of cotton seedlings”
t1“Bacillus circulans GN03”
Claim · model-written summary
GN03 inoculation enhanced cotton seedling disease resistance.
- Taxon
- cotton seedlingsGossypium hirsutume0
- Treatment
- GN03 inoculatione0
- Interactor
- Bacillus circulans GN03t1symbiont
- Outcome
- disease resistance of cotton seedlingse0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“GN03 inoculation remarkably enhanced growth promotion as well as disease resistance of cotton seedlings”
t1“Bacillus circulans GN03”
Claim · model-written summary
GN03 inoculation altered root-associated microbiota.
- Taxon
- cotton seedlingsGossypium hirsutume1
- Treatment
- GN03 inoculatione0
- Interactor
- Bacillus circulans GN03t1symbiont
- Outcome
- microbiota in and around the plant rootse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“GN03 inoculation altered the microbiota in and around the plant roots”
e1“in cotton seedlings, as determined with ELISA”
t1“Bacillus circulans GN03”
Claim · model-written summary
GN03 inoculation significantly accumulated growth-related hormones in cotton seedlings.
- Taxon
- cotton seedlingsGossypium hirsutume0
- Treatment
- GN03 inoculatione1
- Interactor
- Bacillus circulans GN03t1symbiont
- Outcome
- growth-related hormones (indole acetic acid, gibberellic acid, and brassinosteroid)e0
- Direction
- accumulatione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“led to a significant accumulation of growth-related hormones (indole acetic acid, gibberellic acid, and brassinosteroid) and disease resistance-related hormones (salicylic acid and jasmonic acid) in cotton seedlings”
e1“GN03 inoculation altered the microbiota”
t1“Bacillus circulans GN03”
Claim · model-written summary
GN03 inoculation significantly accumulated disease resistance-related hormones in cotton seedlings.
- Taxon
- cotton seedlingsGossypium hirsutume0
- Treatment
- GN03 inoculatione1
- Interactor
- Bacillus circulans GN03t1symbiont
- Outcome
- disease resistance-related hormones (salicylic acid and jasmonic acid)e0
- Direction
- accumulatione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“led to a significant accumulation of growth-related hormones (indole acetic acid, gibberellic acid, and brassinosteroid) and disease resistance-related hormones (salicylic acid and jasmonic acid) in cotton seedlings”
e1“GN03 inoculation altered the microbiota”
t1“Bacillus circulans GN03”
Claim · model-written summary
GN03 inoculation up-regulated expression of phytohormone synthesis-related genes.
- Taxon
- cotton seedlingsGossypium hirsutume2
- Treatment
- GN03 inoculatione1
- Interactor
- Bacillus circulans GN03t1symbiont
- Gene
- EDS1 , AOC1 , BES1 , and GA20oxe0
- Outcome
- expression of phytohormone synthesis-related genese0
- Direction
- up-regulatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“up-regulated the expression of phytohormone synthesis-related genes ( EDS1 , AOC1 , BES1 , and GA20ox ), auxin transporter gene ( Aux1 ), and disease-resistance genes ( NPR1 and PR1 )”
e1“GN03 inoculation altered the microbiota”
e2“in cotton seedlings, as determined with ELISA”
t1“Bacillus circulans GN03”
Claim · model-written summary
GN03 inoculation up-regulated auxin transporter gene.
- Taxon
- cotton seedlingsGossypium hirsutume2
- Treatment
- GN03 inoculatione1
- Interactor
- Bacillus circulans GN03t1symbiont
- Gene
- Aux1e0
- Outcome
- auxin transporter genee0
- Direction
- up-regulatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“up-regulated the expression of phytohormone synthesis-related genes ( EDS1 , AOC1 , BES1 , and GA20ox ), auxin transporter gene ( Aux1 ), and disease-resistance genes ( NPR1 and PR1 )”
e1“GN03 inoculation altered the microbiota”
e2“in cotton seedlings, as determined with ELISA”
t1“Bacillus circulans GN03”
Claim · model-written summary
GN03 inoculation up-regulated disease-resistance genes.
- Taxon
- cotton seedlingsGossypium hirsutume2
- Treatment
- GN03 inoculatione1
- Interactor
- Bacillus circulans GN03t1symbiont
- Gene
- NPR1 and PR1e0
- Outcome
- disease-resistance genese0
- Direction
- up-regulatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“up-regulated the expression of phytohormone synthesis-related genes ( EDS1 , AOC1 , BES1 , and GA20ox ), auxin transporter gene ( Aux1 ), and disease-resistance genes ( NPR1 and PR1 )”
e1“GN03 inoculation altered the microbiota”
e2“in cotton seedlings, as determined with ELISA”
t1“Bacillus circulans GN03”
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