Abstract
We used cDNA microarrays to monitor the transcriptome of ozone stress-regulated genes (ORGs) in two pepper cultivars [Capsicum annuum cv. Dabotop (ozone-sensitive) and Capsicum annuum cv. Buchon (ozone-tolerant)]. Ozone stress up- or down-regulated 180 genes more than three-fold. Transcripts of 84 of these ORGs increased, transcripts of 88 others diminished, and those of eight either accumulated or diminished at different time points in the two cultivars or changed in only one of the cultivars. 67% (120) of the ORGs were regulated differently in ozone-sensitive and ozone-tolerant peppers, most being specifically up-regulated in the ozone-sensitive cultivar. Many were also represented in the plant defense transcriptome against non-host pathogen infection, and some in the transcriptomes for cold, drought, and salinity stresses.
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Claims 7
Claim · model-written summary
Ozone regulated 180 genes more than three-fold.
Verbatim
t0“Pepper”
e0“Ozone stress up- or down-regulated 180 genes more than three-fold”
Claim · model-written summary
Transcripts of 84 ozone-regulated genes increased.
Verbatim
t0“Pepper”
e0“Transcripts of 84 of these ORGs increased”
Claim · model-written summary
Transcripts of 88 ozone-regulated genes diminished.
Verbatim
t0“Pepper”
e0“transcripts of 88 others diminished”
Claim · model-written summary
Eight genes varied by time point or cultivar, or changed in only one cultivar.
Verbatim
t0“Pepper”
e0“those of eight either accumulated or diminished at different time points in the two cultivars or changed in only one of the cultivars”
Claim · model-written summary
A majority of ozone-regulated genes differed between sensitive and tolerant peppers, mostly with specific up-regulation in the sensitive cultivar.
- Material
- ozone-sensitive and ozone-tolerant pepperse0
- Outcome
- ORGs were regulated differentlye0
- Value
- 67%e0
- Qualifier
- most being specifically up-regulated in the ozone-sensitive cultivare0
CapsicumNot reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“67% (120) of the ORGs were regulated differently in ozone-sensitive and ozone-tolerant peppers, most being specifically up-regulated in the ozone-sensitive cultivar”
Claim · model-written summary
Many ozone-regulated genes also appeared in the non-host pathogen defense transcriptome.
- Taxon
- Peppert0
- Outcome
- represented in the plant defense transcriptome against non-host pathogen infectione0
Not reportedDirection
Verbatim
t0“Pepper”
e0“Many were also represented in the plant defense transcriptome against non-host pathogen infection”
Claim · model-written summary
Some ozone-regulated genes were also in cold, drought, and salinity stress transcriptomes.
Not reportedDirection
Verbatim
t0“Pepper”
e0“some in the transcriptomes for cold, drought, and salinity stresses”