Abstract
Stomata are epidermal structures that modulate gas exchange between a plant and its environment. During development, stomata are specified and positioned nonrandomly by the integration of asymmetric cell divisions and intercellular signaling. The Arabidopsis mitogen-activated protein kinase kinase kinase gene, YODA, acts as part of a molecular switch controlling cell identities in the epidermis. Null mutations in YODA lead to excess stomata, whereas constitutive activation of YODA eliminated stomata. Transcriptome analysis of seedlings with altered YODA activity was used to identify potential stomatal regulatory genes. A putative transcription factor from this set was shown to regulate the developmental behavior of stomatal precursors.
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Claims 5
Claim · model-written summary
YODA acts in a molecular switch controlling epidermal cell identity in Arabidopsis.
- Taxon
- Arabidopsis
Arabidopsise0 - Organ / stage
- epidermise0
- Gene
- YODAe0
- Outcome
- cell identitiese0
- Qualifier
- molecular switche0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The Arabidopsis mitogen-activated protein kinase kinase kinase gene, YODA, acts as part of a molecular switch controlling cell identities in the epidermis.”
Claim · model-written summary
YODA null mutations caused excess stomata.
- Taxon
- ArabidopsisArabidopsise1
- Treatment
- Null mutations in YODAe0
- Gene
- YODAe0
- Outcome
- stomatae0
- Direction
- excesse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Null mutations in YODA lead to excess stomata”
e1“The Arabidopsis mitogen-activated protein kinase kinase kinase gene, YODA”
Claim · model-written summary
Constitutive activation of YODA eliminated stomata.
- Taxon
- ArabidopsisArabidopsise1
- Treatment
- constitutive activation of YODAe0
- Gene
- YODAe0
- Outcome
- stomatae0
- Direction
- eliminatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“constitutive activation of YODA eliminated stomata”
e1“The Arabidopsis mitogen-activated protein kinase kinase kinase gene, YODA”
Claim · model-written summary
Transcriptome analysis identified potential stomatal regulatory genes.
- Organ / stage
- seedlingse0
- Gene
- YODAe0
- Outcome
- potential stomatal regulatory genese0
- Qualifier
- altered YODA activitye0
Not reportedTaxonComparatorValue
Verbatim
e0“Transcriptome analysis of seedlings with altered YODA activity was used to identify potential stomatal regulatory genes.”
Claim · model-written summary
A putative transcription factor regulated the developmental behavior of stomatal precursors.
- Taxon
- ArabidopsisArabidopsise1
- Organ / stage
- stomatal precursorse0
- Gene
- putative transcription factore0
- Outcome
- developmental behavior of stomatal precursorse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A putative transcription factor from this set was shown to regulate the developmental behavior of stomatal precursors.”
e1“The Arabidopsis mitogen-activated protein kinase kinase kinase gene, YODA”
The same questions in other papers
loss of function · physiology: gas exchange · ArabidopsisPositive and negative results
19 papers in the same direction as this paper · 5 in the opposite direction
- positive
- no effect
- positive
21 papers more in this group
See all 25 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.