Abstract
Wild rice ( Oryza granulata ) is a natural resource pool containing abundant unknown endophytic fungi species. There are few reports on the endophytic fungi in wild rice. Here, one isolate recovered from wild rice roots was identified as a new species Pseudophialophora oryzae sp. nov based on the molecular phylogeny and morphological characteristics. Fluorescent protein-expressing P. oryzae was used to monitor the fungal colonization pattern. Hyphae invaded the epidermis to the inner cortex but not into the root stele. The inoculation of P. oryzae promoted the rice growth, with the growth parameters of chlorophyll content, shoot height, root length, fresh shoot weight, fresh root weight and dry weight increasing by 24.10, 35.32, 19.35, 90.00, 33.3, and 79.17%, respectively. P. oryzae induced up-regulation of nitrate transporter OsPTR9 and potassium transporter OsHAK16 by 7.28 ± 0.84 and 2.57 ± 0.80 folds, promoting nitrogen and potassium elements absorption. In addition, P. oryzae also conferred a systemic resistance against rice blast, showing a 72.65 and 75.63% control rate in sterile plates and potting conditions. This systemic resistance was mediated by the strongly up-regulated expression of resistance-related genes NAC , OsSAUR2 , OsWRKY71 , EL5 , and PR1 α. Since P. oryzae can promote rice growth, biomass and induce systemic disease resistance, it can be further developed as a new biogenic agent for agricultural production, providing a new approach for biocontrol of rice blast.
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Claims 15
Claim · model-written summary
A root endophyte from wild rice was identified as the new species Pseudophialophora oryzae.
Verbatim
e0“one isolate recovered from wild rice roots was identified as a new species Pseudophialophora oryzae sp. nov based on the molecular phylogeny and morphological characteristics”
Claim · model-written summary
P. oryzae hyphae colonized the rice epidermis and inner cortex but did not enter the root stele.
Verbatim
e0“Hyphae invaded the epidermis to the inner cortex but not into the root stele.”
e1“Fluorescent protein-expressing P. oryzae was used to monitor the fungal colonization pattern.”
t0“Wild rice ( Oryza granulata )”
Claim · model-written summary
P. oryzae inoculation increased rice chlorophyll content by 24.10.
- Taxon
- rice
Oryza sativae0 - Treatment
- inoculation of P. oryzaee0
- Interactor
- P. oryzaee0symbiont
- Outcome
- chlorophyll contente0
- Direction
- increasinge0
- Value
- 24.10e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The inoculation of P. oryzae promoted the rice growth, with the growth parameters of chlorophyll content, shoot height, root length, fresh shoot weight, fresh root weight and dry weight increasing by 24.10, 35.32, 19.35, 90.00, 33.3, and 79.17%, respectively.”
Claim · model-written summary
P. oryzae inoculation increased rice shoot height by 35.32.
- Taxon
- riceOryza sativae0
- Treatment
- inoculation of P. oryzaee0
- Interactor
- P. oryzaee0symbiont
- Outcome
- shoot heighte0
- Direction
- increasinge0
- Value
- 35.32e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The inoculation of P. oryzae promoted the rice growth, with the growth parameters of chlorophyll content, shoot height, root length, fresh shoot weight, fresh root weight and dry weight increasing by 24.10, 35.32, 19.35, 90.00, 33.3, and 79.17%, respectively.”
Claim · model-written summary
P. oryzae inoculation increased rice root length by 19.35.
- Taxon
- riceOryza sativae0
- Treatment
- inoculation of P. oryzaee0
- Interactor
- P. oryzaee0symbiont
- Outcome
- root lengthe0
- Direction
- increasinge0
- Value
- 19.35e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The inoculation of P. oryzae promoted the rice growth, with the growth parameters of chlorophyll content, shoot height, root length, fresh shoot weight, fresh root weight and dry weight increasing by 24.10, 35.32, 19.35, 90.00, 33.3, and 79.17%, respectively.”
Claim · model-written summary
P. oryzae inoculation increased rice fresh shoot weight by 90.00.
- Taxon
- riceOryza sativae0
- Treatment
- inoculation of P. oryzaee0
- Interactor
- P. oryzaee0symbiont
- Outcome
- fresh shoot weighte0
- Direction
- increasinge0
- Value
- 90.00e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The inoculation of P. oryzae promoted the rice growth, with the growth parameters of chlorophyll content, shoot height, root length, fresh shoot weight, fresh root weight and dry weight increasing by 24.10, 35.32, 19.35, 90.00, 33.3, and 79.17%, respectively.”
Claim · model-written summary
P. oryzae inoculation increased rice fresh root weight by 33.3.
- Taxon
- riceOryza sativae0
- Treatment
- inoculation of P. oryzaee0
- Interactor
- P. oryzaee0symbiont
- Outcome
- fresh root weighte0
- Direction
- increasinge0
- Value
- 33.3e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The inoculation of P. oryzae promoted the rice growth, with the growth parameters of chlorophyll content, shoot height, root length, fresh shoot weight, fresh root weight and dry weight increasing by 24.10, 35.32, 19.35, 90.00, 33.3, and 79.17%, respectively.”
Claim · model-written summary
P. oryzae inoculation increased rice dry weight by 79.17%.
- Taxon
- riceOryza sativae0
- Treatment
- inoculation of P. oryzaee0
- Interactor
- P. oryzaee0symbiont
- Outcome
- dry weighte0
- Direction
- increasinge0
- Value
- 79.17%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The inoculation of P. oryzae promoted the rice growth, with the growth parameters of chlorophyll content, shoot height, root length, fresh shoot weight, fresh root weight and dry weight increasing by 24.10, 35.32, 19.35, 90.00, 33.3, and 79.17%, respectively.”
Claim · model-written summary
P. oryzae increased expression of OsPTR9 by 7.28 ± 0.84 folds.
- Taxon
- riceOryza sativae1
- Treatment
- P. oryzaee0
- Interactor
- P. oryzaee0symbiont
- Gene
- OsPTR9e0
- Outcome
- up-regulatione0
- Direction
- up-regulatione0
- Value
- 7.28 ± 0.84e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“P. oryzae induced up-regulation of nitrate transporter OsPTR9 and potassium transporter OsHAK16 by 7.28 ± 0.84 and 2.57 ± 0.80 folds, promoting nitrogen and potassium elements absorption.”
e1“The inoculation of P. oryzae promoted the rice growth”
Claim · model-written summary
P. oryzae increased expression of OsHAK16 by 2.57 ± 0.80 folds folds.
- Taxon
- riceOryza sativae1
- Treatment
- P. oryzaee0
- Interactor
- P. oryzaee0symbiont
- Gene
- OsHAK16e0
- Outcome
- up-regulatione0
- Direction
- up-regulatione0
- Value
- 2.57 ± 0.80 foldse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“P. oryzae induced up-regulation of nitrate transporter OsPTR9 and potassium transporter OsHAK16 by 7.28 ± 0.84 and 2.57 ± 0.80 folds, promoting nitrogen and potassium elements absorption.”
e1“The inoculation of P. oryzae promoted the rice growth”
Claim · model-written summary
P. oryzae promoted nitrogen and potassium absorption in rice.
- Taxon
- riceOryza sativae1
- Interactor
- P. oryzaee0symbiont
- Gene
- OsPTR9e0
- Outcome
- nitrogen and potassium elements absorptione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“P. oryzae induced up-regulation of nitrate transporter OsPTR9 and potassium transporter OsHAK16 by 7.28 ± 0.84 and 2.57 ± 0.80 folds, promoting nitrogen and potassium elements absorption.”
e1“The inoculation of P. oryzae promoted the rice growth”
Claim · model-written summary
P. oryzae controlled rice blast by 72.65 under sterile plates.
- Taxon
- riceOryza sativae1
- Treatment
- P. oryzaee0
- Interactor
- P. oryzaee0symbiont
- Outcome
- rice blaste0
- Direction
- controle0
- Value
- 72.65e0
- Setting
- sterile platese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“P. oryzae also conferred a systemic resistance against rice blast, showing a 72.65 and 75.63% control rate in sterile plates and potting conditions.”
e1“The inoculation of P. oryzae promoted the rice growth”
Claim · model-written summary
P. oryzae controlled rice blast by 75.63% under potting conditions.
- Taxon
- riceOryza sativae1
- Treatment
- P. oryzaee0
- Interactor
- P. oryzaee0symbiont
- Outcome
- rice blaste0
- Direction
- controle0
- Value
- 75.63%e0
- Setting
- potting conditionse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“P. oryzae also conferred a systemic resistance against rice blast, showing a 72.65 and 75.63% control rate in sterile plates and potting conditions.”
e1“The inoculation of P. oryzae promoted the rice growth”
Claim · model-written summary
Resistance-related genes were strongly up-regulated in P. oryzae-associated rice.
- Taxon
- riceOryza sativae1
- Interactor
- P. oryzaee1symbiont
- Gene
- NACe0
- Outcome
- strongly up-regulated expressione0
- Qualifier
- systemic resistancee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This systemic resistance was mediated by the strongly up-regulated expression of resistance-related genes NAC , OsSAUR2 , OsWRKY71 , EL5 , and PR1 α.”
e1“P. oryzae also conferred a systemic resistance against rice blast”
Claim · model-written summary
The authors propose P. oryzae as a biogenic agent for agricultural production and rice blast biocontrol.
- Taxon
- riceOryza sativae0
- Interactor
- P. oryzaee0symbiont
- Outcome
- new biogenic agent for agricultural productione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Since P. oryzae can promote rice growth, biomass and induce systemic disease resistance, it can be further developed as a new biogenic agent for agricultural production, providing a new approach for biocontrol of rice blast.”
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