Abstract
Changes to organismal growth induced by environmental stress are orchestrated at the cellular level. These periods of stress may be followed by recovery periods, when plants have the opportunity to return to normal growth conditions. However, the cell cycle mechanisms underlying recovery are poorly understood. We tested the cell cycle regulation in roots during control, stress, and recovery period for salt, osmotic, cold, and heat stresses using Arabidopsis thaliana, Brachypodium distachyon, and Lolium multiflorum. During the salt and cold stress conditions, the cell cycle pauses at gap phase and is released from gap phase during stress recovery, which depends on cell cycle regulators CDKA;1 and ICK1. Cold stress and recovery, which affect cell division only, follow a conserved 'pause and play' mechanism of the cell cycle.
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Claims 3
Claim · model-written summary
Under salt and cold stress the root cell cycle pauses at gap phase.
- Taxon
- Arabidopsis thaliana, Brachypodium distachyon, and Lolium multiflorum
Arabidopsis thaliana
Lolium multiflorum
Brachypodium distachyone1 - Treatment
- salt and cold stresse0
- Outcome
- cell cycle pauses at gap phasee0
Not reportedOrgan / stage
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“During the salt and cold stress conditions, the cell cycle pauses at gap phase”
e1“Arabidopsis thaliana, Brachypodium distachyon, and Lolium multiflorum”
Claim · model-written summary
The cell cycle is released from gap phase during stress recovery, which depends on the regulators CDKA;1 and ICK1.
- Taxon
- Arabidopsis thaliana, Brachypodium distachyon, and Lolium multiflorumArabidopsis thalianaLolium multiflorumBrachypodium distachyone1
- Gene
- CDKA;1 and ICK1e0
- Outcome
- released from gap phase during stress recoverye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the cell cycle pauses at gap phase and is released from gap phase during stress recovery, which depends on cell cycle regulators CDKA;1 and ICK1”
e1“Arabidopsis thaliana, Brachypodium distachyon, and Lolium multiflorum”
Claim · model-written summary
Cold stress and recovery, which affect cell division only, follow a conserved pause-and-play mechanism of the cell cycle.
- Taxon
- Arabidopsis thaliana, Brachypodium distachyon, and Lolium multiflorumArabidopsis thalianaLolium multiflorumBrachypodium distachyone1
- Treatment
- Cold stress and recoverye0
- Outcome
- cell divisione0
- Qualifier
- follow a conservede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cold stress and recovery, which affect cell division only, follow a conserved”
e1“Arabidopsis thaliana, Brachypodium distachyon, and Lolium multiflorum”