Abstract
AP2/ERF-type transcription factors regulate important functions of plant growth and development as well as responses to environmental stimuli. A rice AP2/ERF transcription factor, OsEREBP1 is a downstream component of a signal transduction pathway in a specific interaction between rice (Oryza sativa) and its bacterial pathogen, Xoo (Xanthomonas oryzae pv. oryzae). Constitutive expression of OsEREBP1 in rice driven by maize ubiquitin promoter did not affect normal plant growth. Microarray analysis revealed that over expression of OsEREBP1 caused increased expression of lipid metabolism related genes such as lipase and chloroplastic lipoxygenase as well as several genes related to jasmonate and abscisic acid biosynthesis. PR genes, transcription regulators and Aldhs (alcohol dehydrogenases) implicated in abiotic stress and submergence tolerance were also upregulated in transgenic plants. Transgenic plants showed increase in endogenous levels of α-linolenate, several jasmonate derivatives and abscisic acid but not salicylic acid. Soluble modified GFP (SmGFP)-tagged OsEREBP1 was localized to plastid nucleoids. Comparative analysis of non-transgenic and OsEREBP1 overexpressing genotypes revealed that OsEREBP1 attenuates disease caused by Xoo and confers drought and submergence tolerance in transgenic rice. Our results suggest that constitutive expression of OsEREBP1 activates the jasmonate and abscisic acid signalling pathways thereby priming the rice plants for enhanced survival under abiotic or biotic stress conditions. OsEREBP1 is thus, a good candidate gene for engineering plants for multiple stress tolerance.
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Claims 16
Claim · model-written summary
Constitutive OsEREBP1 expression did not affect normal rice growth.
- Taxon
- rice
Oryza sativae0 - Treatment
- Constitutive expression of OsEREBP1e0
- Gene
- OsEREBP1e0
- Outcome
- normal plant growthe0
- Direction
- did not affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Constitutive expression of OsEREBP1 in rice driven by maize ubiquitin promoter did not affect normal plant growth”
Claim · model-written summary
OsEREBP1 overexpression increased expression of lipid metabolism genes including lipase and chloroplastic lipoxygenase.
- Taxon
- riceOryza sativat0
- Treatment
- over expression of OsEREBP1e0
- Gene
- OsEREBP1e0
- Outcome
- expression of lipid metabolism related genes such as lipase and chloroplastic lipoxygenasee0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“over expression of OsEREBP1 caused increased expression of lipid metabolism related genes such as lipase and chloroplastic lipoxygenase”
t0“Rice”
Claim · model-written summary
OsEREBP1 overexpression increased expression of genes related to jasmonate and abscisic acid biosynthesis.
- Taxon
- riceOryza sativat0
- Treatment
- over expression of OsEREBP1e0
- Gene
- OsEREBP1e0
- Outcome
- several genes related to jasmonate and abscisic acid biosynthesise0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“over expression of OsEREBP1 caused increased expression of lipid metabolism related genes such as lipase and chloroplastic lipoxygenase as well as several genes related to jasmonate and abscisic acid biosynthesis”
t0“Rice”
Claim · model-written summary
PR genes were upregulated in transgenic rice.
- Taxon
- riceOryza sativat0
- Treatment
- transgenic plantse0
- Gene
- PR genese0
- Outcome
- PR genese0
- Direction
- upregulatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“PR genes, transcription regulators and Aldhs (alcohol dehydrogenases) implicated in abiotic stress and submergence tolerance were also upregulated in transgenic plants”
t0“Rice”
Claim · model-written summary
Transcription regulators were upregulated in transgenic rice.
- Taxon
- riceOryza sativat0
- Treatment
- transgenic plantse0
- Gene
- transcription regulatorse0
- Outcome
- transcription regulatorse0
- Direction
- upregulatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“PR genes, transcription regulators and Aldhs (alcohol dehydrogenases) implicated in abiotic stress and submergence tolerance were also upregulated in transgenic plants”
t0“Rice”
Claim · model-written summary
Aldhs were upregulated in transgenic rice.
- Taxon
- riceOryza sativat0
- Treatment
- transgenic plantse0
- Gene
- Aldhs (alcohol dehydrogenases)e0
- Outcome
- Aldhs (alcohol dehydrogenases)e0
- Direction
- upregulatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“PR genes, transcription regulators and Aldhs (alcohol dehydrogenases) implicated in abiotic stress and submergence tolerance were also upregulated in transgenic plants”
t0“Rice”
Claim · model-written summary
Transgenic rice had increased endogenous α-linolenate.
- Taxon
- riceOryza sativat0
- Treatment
- Transgenic plantse0
- Outcome
- endogenous levels of α-linolenatee0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Transgenic plants showed increase in endogenous levels of α-linolenate, several jasmonate derivatives and abscisic acid but not salicylic acid”
t0“Rice”
Claim · model-written summary
Transgenic rice had increased endogenous jasmonate derivatives.
- Taxon
- riceOryza sativat0
- Treatment
- Transgenic plantse0
- Outcome
- several jasmonate derivativese0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Transgenic plants showed increase in endogenous levels of α-linolenate, several jasmonate derivatives and abscisic acid but not salicylic acid”
t0“Rice”
Claim · model-written summary
Transgenic rice had increased endogenous abscisic acid.
- Taxon
- riceOryza sativat0
- Treatment
- Transgenic plantse0
- Outcome
- abscisic acide0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Transgenic plants showed increase in endogenous levels of α-linolenate, several jasmonate derivatives and abscisic acid but not salicylic acid”
t0“Rice”
Claim · model-written summary
Transgenic rice did not have increased salicylic acid.
- Taxon
- riceOryza sativat0
- Treatment
- Transgenic plantse0
- Outcome
- salicylic acide0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Transgenic plants showed increase in endogenous levels of α-linolenate, several jasmonate derivatives and abscisic acid but not salicylic acid”
t0“Rice”
Claim · model-written summary
SmGFP-tagged OsEREBP1 localized to plastid nucleoids.
- Taxon
- riceOryza sativat0
- Gene
- OsEREBP1e0
- Outcome
- localized to plastid nucleoidse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Soluble modified GFP (SmGFP)-tagged OsEREBP1 was localized to plastid nucleoids”
t0“Rice”
Claim · model-written summary
OsEREBP1 overexpression attenuated Xoo disease in rice.
- Taxon
- riceOryza sativae0
- Treatment
- OsEREBP1e0
- Interactor
- Xooe0pathogen
- Gene
- OsEREBP1e0
- Outcome
- disease caused by Xooe0
- Direction
- attenuatese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“OsEREBP1 attenuates disease caused by Xoo and confers drought and submergence tolerance in transgenic rice”
Claim · model-written summary
OsEREBP1 overexpression conferred drought tolerance in rice.
- Taxon
- riceOryza sativae0
- Treatment
- OsEREBP1e0
- Gene
- OsEREBP1e0
- Outcome
- drought and submergence tolerancee0
- Direction
- conferse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“OsEREBP1 attenuates disease caused by Xoo and confers drought and submergence tolerance in transgenic rice”
Claim · model-written summary
OsEREBP1 overexpression conferred submergence tolerance in rice.
- Taxon
- riceOryza sativae0
- Treatment
- OsEREBP1e0
- Gene
- OsEREBP1e0
- Outcome
- submergence tolerancee0
- Direction
- conferse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“OsEREBP1 attenuates disease caused by Xoo and confers drought and submergence tolerance in transgenic rice”
Claim · model-written summary
The authors infer that OsEREBP1 expression activates jasmonate and abscisic acid signaling to prime rice stress survival.
- Taxon
- riceOryza sativae0
- Gene
- OsEREBP1e0
- Compound
- jasmonate and abscisic acide0
- Outcome
- enhanced survival under abiotic or biotic stress conditionse0
- Qualifier
- jasmonate and abscisic acid signalling pathwayse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“constitutive expression of OsEREBP1 activates the jasmonate and abscisic acid signalling pathways thereby priming the rice plants for enhanced survival under abiotic or biotic stress conditions”
Claim · model-written summary
The authors propose OsEREBP1 as a candidate for engineering multiple stress tolerance.
- Taxon
- riceOryza sativat0
- Gene
- OsEREBP1e0
- Outcome
- engineering plants for multiple stress tolerancee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“OsEREBP1 is thus, a good candidate gene for engineering plants for multiple stress tolerance”
t0“Rice”
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overexpression · growth · Oryza sativa (rice)Positive and negative results
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