Claim · model-written summary
A mutation in a transporter-like gene caused the mutant phenotype.
- Taxon
- Arabidopsis
Arabidopsist0 - Gene
- a gene encoding an unknown proteine0
- Outcome
- mutant phenotypee0
Verbatim
e0“The mutant phenotype was caused by a mutation in a gene encoding an unknown protein with similarities to the human magnesium (Mg2+) efflux transporter ACDP/CNNM.”
t0“Arabidopsis”
Title
Inoue, Shin‐ichiro; Hayashi, Maki; Huang, Sheng; et al. Institutional Repositories DataBase (IRDB) 2022
Other claims from this paper (8)
- Observation The cst2 mutant had defective stomatal opening.
- Observation MGR1/CST2 localized to the tonoplast.
- Observation MGR1/CST2 transported Mg2+.
- Observation MGR1/CST2 was highly and constitutively expressed in guard cells.
- Intervention effect MGR1/CST2 knockout closed stomata and reduced photosynthesis and growth, especially at high Mg2+.
- Intervention effect MGR1/CST2 overexpression increased stomatal opening and high-Mg2+ tolerance.
- Intervention effect Guard-cell expression partly restored mutant stomatal opening.
- Mechanism The authors infer that guard-cell MGR1/CST2 maintains cytosolic Mg2+ by vacuolar sequestration, enabling opening.