Title : Arabidopsis glabra2 mutant seeds deficient in mucilage biosynthesis produce more oil.

Pub. Date : 2012 Jan

PMID : 21883555






8 Functional Relationships(s)
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1 GL2 has also been shown to regulate seed oil levels, as a loss-of-function mutation in the GL2 gene results in plants with a higher seed oil content than wild-type. seed oil HD-ZIP IV family of homeobox-leucine zipper protein with lipid-binding START domain-containing protein Arabidopsis thaliana
2 GL2 has also been shown to regulate seed oil levels, as a loss-of-function mutation in the GL2 gene results in plants with a higher seed oil content than wild-type. seed oil HD-ZIP IV family of homeobox-leucine zipper protein with lipid-binding START domain-containing protein Arabidopsis thaliana
3 GL2 has also been shown to regulate seed oil levels, as a loss-of-function mutation in the GL2 gene results in plants with a higher seed oil content than wild-type. seed oil HD-ZIP IV family of homeobox-leucine zipper protein with lipid-binding START domain-containing protein Arabidopsis thaliana
4 GL2 has also been shown to regulate seed oil levels, as a loss-of-function mutation in the GL2 gene results in plants with a higher seed oil content than wild-type. seed oil HD-ZIP IV family of homeobox-leucine zipper protein with lipid-binding START domain-containing protein Arabidopsis thaliana
5 We have extended this observation by showing that loss-of-function mutations in several positive regulators of GL2 also result in a high seed oil phenotype. seed oil HD-ZIP IV family of homeobox-leucine zipper protein with lipid-binding START domain-containing protein Arabidopsis thaliana
6 The GL2 gene is expressed in both the seed coat and embryo, but the embryo is the main site of seed oil accumulation. seed oil HD-ZIP IV family of homeobox-leucine zipper protein with lipid-binding START domain-containing protein Arabidopsis thaliana
7 We found that mum4 mutant seeds, like those of gl2 mutants, have an increased seed oil content in comparison with wild-type. seed oil HD-ZIP IV family of homeobox-leucine zipper protein with lipid-binding START domain-containing protein Arabidopsis thaliana
8 Therefore, GL2 regulates seed oil production at least partly through its influence on MUM4 expression in the seed coat. seed oil HD-ZIP IV family of homeobox-leucine zipper protein with lipid-binding START domain-containing protein Arabidopsis thaliana