Abstract
Low temperature (LT) severely affects rice growth and grain yield. Recently, we reported contrasting genotypes including ARR 09 and Takyer for seedling stage long duration low temperature response. Here we show that susceptible rice genotypes show an increase in lipid peroxide levels and decrease in relative water content (RWC) to a higher extent in comparison to tolerant genotypes in response to 3 h LT. Stress induced NAC family members (OsNAC1, OsNAC2, OsNAC3, and OsNAC5) showed a higher transcript accumulation in tolerant genotypes than in sensitive genotypes after LT treatment suggesting stress tolerance might be due to higher expression of stress-responsive transcription factors. Furthermore, ARR 09 can be used as an important genetic resource to better understand LT tolerance mechanism.
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Claims 6
Claim · model-written summary
Susceptible rice genotypes showed a larger increase in lipid peroxide levels than tolerant genotypes after 3 h low temperature.
- Taxon
- rice
Oryza sativat0 - Treatment
- 3 h LTe1
- Outcome
- lipid peroxide levelse1
- Direction
- increasee1
- Qualifier
- to a higher extente1
- Comparator
- tolerant genotypese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tolerant and susceptible rice genotypes”
e1“susceptible rice genotypes show an increase in lipid peroxide levels and decrease in relative water content (RWC) to a higher extent in comparison to tolerant genotypes in response to 3 h LT”
Claim · model-written summary
Susceptible rice genotypes showed a larger decrease in relative water content than tolerant genotypes after 3 h low temperature.
- Taxon
- riceOryza sativat0
- Treatment
- 3 h LTe1
- Outcome
- relative water content (RWC)e1
- Direction
- decreasee1
- Qualifier
- to a higher extente1
- Comparator
- tolerant genotypese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tolerant and susceptible rice genotypes”
e1“susceptible rice genotypes show an increase in lipid peroxide levels and decrease in relative water content (RWC) to a higher extent in comparison to tolerant genotypes in response to 3 h LT”
Claim · model-written summary
Stress-induced OsNAC1, OsNAC2 and OsNAC3 transcripts accumulated to higher levels in tolerant than in sensitive rice genotypes after low-temperature treatment.
- Taxon
- riceOryza sativat0
- Treatment
- LT treatmente2
- Gene
- OsNAC1, OsNAC2, OsNAC3e2
- Outcome
- transcript accumulatione2
- Direction
- highere2
- Comparator
- sensitive genotypese2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tolerant and susceptible rice genotypes”
e2“Stress induced NAC family members (OsNAC1, OsNAC2, OsNAC3, and OsNAC5) showed a higher transcript accumulation in tolerant genotypes than in sensitive genotypes after LT treatment”
Claim · model-written summary
Stress-induced OsNAC5 transcript accumulation was higher in tolerant than in sensitive rice genotypes after low-temperature treatment.
- Taxon
- riceOryza sativat0
- Treatment
- LT treatmente2
- Gene
- OsNAC5e2
- Outcome
- transcript accumulatione2
- Direction
- highere2
- Comparator
- sensitive genotypese2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tolerant and susceptible rice genotypes”
e2“Stress induced NAC family members (OsNAC1, OsNAC2, OsNAC3, and OsNAC5) showed a higher transcript accumulation in tolerant genotypes than in sensitive genotypes after LT treatment”
Claim · model-written summary
Stress tolerance of rice may be due to higher expression of stress-responsive transcription factors.
- Taxon
- riceOryza sativat0
- Outcome
- stress tolerancee3
- Qualifier
- higher expression of stress-responsive transcription factorse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tolerant and susceptible rice genotypes”
e3“suggesting stress tolerance might be due to higher expression of stress-responsive transcription factors”
Claim · model-written summary
Rice genotype ARR 09 can be used as an important genetic resource for understanding low-temperature tolerance mechanisms.
- Taxon
- riceOryza sativat0
- Material
- ARR 09e4
- Outcome
- LT tolerance mechanisme4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tolerant and susceptible rice genotypes”
e4“ARR 09 can be used as an important genetic resource to better understand LT tolerance mechanism”