Claim · model-written summary
The alm1.g mutant showed a 15.8% reduction in 100-grain weight compared with wild type.
- Taxon
- barley
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Hordeum vulgaree0 - Treatment
- alm1.g mutante5
- Outcome
- 100-grain weighte5
- Direction
- reductione5
- Value
- 15.8%e5
- Comparator
- wild typee4
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
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Verbatim
e0“The albino lemma 1 (alm1) mutants of barley (Hordeum vulgare L.) exhibit obvious chlorophyll-deficient hulls”
e5“The alm1.g mutant and the alm1.a mutant showed a reduction in 100-grain weight by 15.8% and 23.1%, respectively”
e4“Compared with wild type, alm1.g plants showed similar levels of leaf photosynthesis but reduced spike photosynthesis by 34%”
Title
Mutations in aGolden2-LikeGene Cause Reduced Seed Weight inBarleyalbino lemma 1Mutants
Taketa, Shin; Hattori, Momoko; Takami, Tsuneaki; et al. Institutional Repositories DataBase (IRDB)
Other claims from this paper (11)
- Observation The ALM1 gene encodes a Golden 2-like transcription factor, HvGLK2.
- Observation All 10 alm1 mutants studied had a lesion in functionally important regions of HvGLK2.
- Observation In lemmas of the alm1.g mutant, chloroplasts lacked thylakoid membranes, unlike the stacked thylakoid grana of wild-type chloroplasts.
- Intervention effect Leaf photosynthesis of alm1.g plants was at similar levels to wild type.
- Intervention effect Spike photosynthesis of alm1.g plants was reduced by 34% compared with wild type.
- Intervention effect The alm1.a mutant showed a 23.1% reduction in 100-grain weight compared with wild type.
- Observation HvGLK1 expression in hulls was barely detectable compared with HvGLK2.
- Observation HvGLK2 and HvGLK1 are expressed at moderate levels in flag leaves and awns.
- Association Barley alm1/Hvglk2 mutants have more severe phenotypes than glk2 mutants of other plant species.
- Mechanism HvGLK2 plays roles that are nonredundant with HvGLK1 (author interpretation).
- Observation A single recessive nuclear gene controls tissue-specific alm1 phenotypic expression.