Abstract
Previous studies in Arabidopsis reported that the PPR protein SOAR1 plays critical roles in plant response to salt stress. In this study, we reported that expression of the Arabidopsis SOAR1 (AtSOAR1) in rice significantly enhanced salt tolerance at seedling growth stage and promoted grain productivity under salt stress without affecting plant productivity under non-stressful conditions. The transgenic rice lines expressing AtSOAR1 exhibited increased ABA sensitivity in ABA-induced inhibition of seedling growth, and showed altered transcription and splicing of numerous genes associated with salt stress, which may explain salt tolerance of the transgenic plants. Further, we overexpressed the homologous gene of SOAR1 in rice, OsSOAR1, and showed that transgenic plants overexpressing OsSOAR1 enhanced salt tolerance at seedling growth stage. Five salt- and other abiotic stress-induced SOAR1-like PPRs were also identified. These data showed that the SOAR1-like PPR proteins are positively involved in plant response to salt stress and may be used for crop improvement in rice under salinity conditions through transgenic manipulation.
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Claims 7
Claim · model-written summary
AtSOAR1 expression significantly enhanced rice seedling salt tolerance.
- Taxon
- rice
Oryza sativae0 - Organ / stage
- seedling growth stagee0
- Treatment
- expression of the Arabidopsis SOAR1 (AtSOAR1)e0
- Gene
- Arabidopsis SOAR1 (AtSOAR1)e0
- Outcome
- salt tolerancee0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“expression of the Arabidopsis SOAR1 (AtSOAR1) in rice significantly enhanced salt tolerance at seedling growth stage”
Claim · model-written summary
AtSOAR1 expression promoted rice grain productivity under salt stress.
- Taxon
- riceOryza sativae0
- Treatment
- expression of the Arabidopsis SOAR1 (AtSOAR1)e0
- Outcome
- grain productivitye0
- Direction
- promotede0
- Qualifier
- under salt stresse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“expression of the Arabidopsis SOAR1 (AtSOAR1) in rice significantly enhanced salt tolerance at seedling growth stage and promoted grain productivity under salt stress”
Claim · model-written summary
AtSOAR1 expression did not affect rice productivity under non-stressful conditions.
- Taxon
- riceOryza sativae0
- Treatment
- expression of the Arabidopsis SOAR1 (AtSOAR1)e0
- Outcome
- plant productivitye0
- Direction
- without affectinge0
- Qualifier
- under non-stressful conditionse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“expression of the Arabidopsis SOAR1 (AtSOAR1) in rice significantly enhanced salt tolerance at seedling growth stage and promoted grain productivity under salt stress without affecting plant productivity under non-stressful conditions”
Claim · model-written summary
AtSOAR1 transgenic rice showed increased ABA sensitivity during ABA-induced inhibition of seedling growth.
- Taxon
- riceOryza sativae0
- Material
- transgenic rice lines expressing AtSOAR1e0
- Treatment
- ABA-induced inhibition of seedling growthe0
- Outcome
- ABA sensitivitye0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The transgenic rice lines expressing AtSOAR1 exhibited increased ABA sensitivity in ABA-induced inhibition of seedling growth”
Claim · model-written summary
AtSOAR1 rice had altered transcription and splicing of many salt stress genes.
- Taxon
- riceOryza sativae0
- Material
- transgenic rice lines expressing AtSOAR1e0
- Outcome
- altered transcription and splicing of numerous genes associated with salt stresse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The transgenic rice lines expressing AtSOAR1 exhibited increased ABA sensitivity in ABA-induced inhibition of seedling growth, and showed altered transcription and splicing of numerous genes associated with salt stress”
Claim · model-written summary
OsSOAR1 overexpression enhanced rice seedling salt tolerance.
- Taxon
- riceOryza sativae0
- Organ / stage
- seedling growth stagee0
- Treatment
- overexpressing OsSOAR1e0
- Gene
- OsSOAR1e0
- Outcome
- salt tolerancee0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“overexpressed the homologous gene of SOAR1 in rice, OsSOAR1, and showed that transgenic plants overexpressing OsSOAR1 enhanced salt tolerance at seedling growth stage”
Claim · model-written summary
Five stress-induced SOAR1-like PPRs were identified.
- Taxon
- RiceOryza sativat0
- Gene
- SOAR1-like PPRse0
- Outcome
- salt- and other abiotic stress-induced SOAR1-like PPRs were also identifiede0
- Value
- Fivee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice”
e0“Five salt- and other abiotic stress-induced SOAR1-like PPRs were also identified.”
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