Abstract
The microbiomes of two important rice cultivars in Vietnam which differ by their susceptibility to the bacterial leaf blight (BLB) disease were analyzed through 16S rRNA amplicon technology. A higher number of operational taxonomic units and alpha-diversity indices were shown in the BLB-resistant LA cultivar than in the BLB-susceptible TB cultivar. The BLB pathogen Xanthomonas was scantly found (0.003%) in the LA cultivar, whereas was in a significantly higher ratio in the TB cultivar (1.82%), reflecting the susceptibility to BLB of these cultivars. Of special interest was the genus Acholeplasma presented in the BLB-resistant LA cultivar at a high relative abundance (22.32%), however, was minor in the BLB-sensitive TB cultivar (0.09%), raising a question about its roles in controlling the Xanthomonas low in the LA cultivar. It is proposed that Acholeplasma once entered the host plant would hamper other phytopathogens, i.e. Xanthomonas, by yet unknown mechanisms, of which the triggering of the host plants to produce secondary metabolites against pathogens could be a testable hypothesis.
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Claims 4
Claim · model-written summary
The resistant LA rice cultivar had higher operational taxonomic unit numbers and alpha diversity indices than susceptible TB.
- Taxon
- Rice
Oryza sativat0 - Material
- LA cultivare0
- Outcome
- operational taxonomic units and alpha-diversity indicese0
- Direction
- highere0
- Comparator
- TB cultivare0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A higher number of operational taxonomic units and alpha-diversity indices were shown in the BLB-resistant LA cultivar than in the BLB-susceptible TB cultivar.”
t0“Rice Cultivars”
Claim · model-written summary
Xanthomonas was at 0.003% in resistant LA, compared with 1.82% in susceptible TB.
- Taxon
- RiceOryza sativat0
- Material
- LA cultivare0
- Interactor
- Xanthomonas
_-_Howard_F._Schwartz%2C_Colorado_State_University.jpg?width=60)
Xanthomonase0pathogen - Outcome
- BLB pathogen Xanthomonase0
- Direction
- scantlye0
- Value
- 0.003%e0
- Qualifier
- 1.82%e0
- Comparator
- TB cultivare0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_-_Howard_F._Schwartz%2C_Colorado_State_University.jpg?width=500)
Verbatim
e0“The BLB pathogen Xanthomonas was scantly found (0.003%) in the LA cultivar, whereas was in a significantly higher ratio in the TB cultivar (1.82%)”
t0“Rice Cultivars”
Claim · model-written summary
Acholeplasma relative abundance was 22.32% in resistant LA and 0.09% in sensitive TB.
- Taxon
- RiceOryza sativat0
- Material
- LA cultivare0
- Interactor
- Acholeplasma
.jpg?width=60)
Acholeplasmae0other - Outcome
- Acholeplasmae0
- Direction
- highe0
- Value
- 22.32%e0
- Qualifier
- 0.09%e0
- Comparator
- TB cultivare0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“the genus Acholeplasma presented in the BLB-resistant LA cultivar at a high relative abundance (22.32%), however, was minor in the BLB-sensitive TB cultivar (0.09%)”
t0“Rice Cultivars”
Claim · model-written summary
The authors hypothesize that Acholeplasma hampers Xanthomonas in rice through unknown mechanisms, possibly by triggering host secondary metabolites.
- Taxon
- RiceOryza sativat0
- Interactor
- XanthomonasXanthomonase0pathogen
- Second interactor
- AcholeplasmaAcholeplasmae0other
- Outcome
- hamper other phytopathogense0
- Qualifier
- triggering of the host plants to produce secondary metabolitese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Acholeplasma once entered the host plant would hamper other phytopathogens, i.e. Xanthomonas, by yet unknown mechanisms, of which the triggering of the host plants to produce secondary metabolites against pathogens could be a testable hypothesis.”
t0“Rice Cultivars”