Abstract
Banana as an important economic crop worldwide, often suffers from serious damage caused by Fusarium oxysporum f. sp. Cubense. Arbuscular mycorrhizal (AM) fungi have been considered as one of the promising plant biocontrol agents in preventing from root pathogens. This study examined the effect of AM fungal inoculation on plant growth and differential expressions of growth- and defense-related genes in banana seedlings. Tissue-cultured seedlings of Brazilian banana (Musa acuminate Cavendish cv. Brail) were inoculated with AM fungus (Rhizophagus irregularis, Ri), and developed good mycorrhizal symbiosis from 4 to 11 weeks after inoculation with an infection rate up to 71.7% of the roots system. Microbial abundance revealed that Ri abundance in banana roots was 1.85×106 copies/ml at 11 weeks after inoculaiton. Inoculation improved plant dry weights by 47.5, 124, and 129% for stem, leaf, and the whole plant, respectively, during phosphate depletion. Among a total of 1411 differentially expressed genes (DEGs) obtained from the transcriptome data analysis, genes related to plant resistance (e.g. POD, PAL, PYR, and HBP-1b) and those related to plant growth (e.g. IAA, GH3, SAUR, and ARR8) were up-regulated in AM plants. This study demonstrates that AM fungus effectively promoted the growth of banana plants and induced defense-related genes which could help suppress wilt disease. The outcomes of this study form a basis for further study on the mechanism of banana disease resistance induced by AM fungi.
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Claims 8
Claim · model-written summary
Inoculation with AM fungus improved stem dry weight of banana seedlings by 47.5% during phosphate depletion.
- Taxon
- bananae2
- Material
- Cavendish cv. Braile2
- Organ / stage
- steme1
- Treatment
- inoculated with AM fungus (Rhizophagus irregularis, Ri)e2
- Interactor
- Rhizophagus irregularis
Rhizophagus irregularise2symbiont - Outcome
- plant dry weightse1
- Direction
- improvede1
- Value
- 47.5e1
- Qualifier
- during phosphate depletione1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Inoculation improved plant dry weights by 47.5, 124, and 129% for stem, leaf, and the whole plant, respectively, during phosphate depletion”
e2“Tissue-cultured seedlings of Brazilian banana (Musa acuminate Cavendish cv. Brail) were inoculated with AM fungus (Rhizophagus irregularis, Ri)”
Claim · model-written summary
Inoculation with AM fungus improved leaf dry weight of banana seedlings by 124% during phosphate depletion.
- Taxon
- bananae2
- Material
- Cavendish cv. Braile2
- Organ / stage
- leafe1
- Treatment
- inoculated with AM fungus (Rhizophagus irregularis, Ri)e2
- Interactor
- Rhizophagus irregularisRhizophagus irregularise2symbiont
- Outcome
- plant dry weightse1
- Direction
- improvede1
- Value
- 124e1
- Qualifier
- during phosphate depletione1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Inoculation improved plant dry weights by 47.5, 124, and 129% for stem, leaf, and the whole plant, respectively, during phosphate depletion”
e2“Tissue-cultured seedlings of Brazilian banana (Musa acuminate Cavendish cv. Brail) were inoculated with AM fungus (Rhizophagus irregularis, Ri)”
Claim · model-written summary
Inoculation with AM fungus improved whole-plant dry weight of banana seedlings by 129% during phosphate depletion.
- Taxon
- bananae2
- Material
- Cavendish cv. Braile2
- Organ / stage
- whole plante1
- Treatment
- inoculated with AM fungus (Rhizophagus irregularis, Ri)e2
- Interactor
- Rhizophagus irregularisRhizophagus irregularise2symbiont
- Outcome
- plant dry weightse1
- Direction
- improvede1
- Value
- 129%e1
- Qualifier
- during phosphate depletione1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Inoculation improved plant dry weights by 47.5, 124, and 129% for stem, leaf, and the whole plant, respectively, during phosphate depletion”
e2“Tissue-cultured seedlings of Brazilian banana (Musa acuminate Cavendish cv. Brail) were inoculated with AM fungus (Rhizophagus irregularis, Ri)”
Claim · model-written summary
AM colonization of banana roots reached an infection rate of up to 71.7% of the root system from 4 to 11 weeks after inoculation.
- Taxon
- bananae2
- Organ / stage
- roots systeme3
- Interactor
- Rhizophagus irregularisRhizophagus irregularise2symbiont
- Outcome
- infection ratee3
- Value
- 71.7%e3
- Qualifier
- from 4 to 11 weeks after inoculatione3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“Tissue-cultured seedlings of Brazilian banana (Musa acuminate Cavendish cv. Brail) were inoculated with AM fungus (Rhizophagus irregularis, Ri)”
e3“developed good mycorrhizal symbiosis from 4 to 11 weeks after inoculation with an infection rate up to 71.7% of the roots system”
Claim · model-written summary
Ri abundance in banana roots was 1.85×106 copies/ml at 11 weeks after inoculation.
Verbatim
e4“Microbial abundance revealed that Ri abundance in banana roots was 1.85×106 copies/ml at 11 weeks after inoculaiton”
Claim · model-written summary
The transcriptome analysis of inoculated banana seedlings identified 1411 differentially expressed genes.
- Taxon
- bananae2
- Interactor
- Rhizophagus irregularisRhizophagus irregularise2symbiont
- Outcome
- differentially expressed genese5
- Value
- 1411e5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“Among a total of 1411 differentially expressed genes (DEGs) obtained from the transcriptome data analysis, genes related to plant resistance (e.g. POD, PAL, PYR, and HBP-1b) and those related to plant growth (e.g. IAA, GH3, SAUR, and ARR8) were up-regulated in AM plants”
e2“Tissue-cultured seedlings of Brazilian banana (Musa acuminate Cavendish cv. Brail) were inoculated with AM fungus (Rhizophagus irregularis, Ri)”
Claim · model-written summary
AM inoculation of banana up-regulated genes related to plant resistance (POD, PAL, PYR, and HBP-1b).
- Taxon
- bananae2
- Treatment
- inoculated with AM fungus (Rhizophagus irregularis, Ri)e2
- Interactor
- Rhizophagus irregularisRhizophagus irregularise2symbiont
- Gene
- POD, PAL, PYR, and HBP-1be5
- Outcome
- genes related to plant resistancee5
- Direction
- up-regulatede5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“Among a total of 1411 differentially expressed genes (DEGs) obtained from the transcriptome data analysis, genes related to plant resistance (e.g. POD, PAL, PYR, and HBP-1b) and those related to plant growth (e.g. IAA, GH3, SAUR, and ARR8) were up-regulated in AM plants”
e2“Tissue-cultured seedlings of Brazilian banana (Musa acuminate Cavendish cv. Brail) were inoculated with AM fungus (Rhizophagus irregularis, Ri)”
Claim · model-written summary
AM inoculation of banana up-regulated genes related to plant growth (IAA, GH3, SAUR, and ARR8).
- Taxon
- bananae2
- Treatment
- inoculated with AM fungus (Rhizophagus irregularis, Ri)e2
- Interactor
- Rhizophagus irregularisRhizophagus irregularise2symbiont
- Gene
- IAA, GH3, SAUR, and ARR8e5
- Outcome
- related to plant growthe5
- Direction
- up-regulatede5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“Among a total of 1411 differentially expressed genes (DEGs) obtained from the transcriptome data analysis, genes related to plant resistance (e.g. POD, PAL, PYR, and HBP-1b) and those related to plant growth (e.g. IAA, GH3, SAUR, and ARR8) were up-regulated in AM plants”
e2“Tissue-cultured seedlings of Brazilian banana (Musa acuminate Cavendish cv. Brail) were inoculated with AM fungus (Rhizophagus irregularis, Ri)”
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See all 14 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.