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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Gene Review: 

GAPA  -  glyceraldehyde-3-phosphate dehydrogenase A...

Arabidopsis thaliana

Synonyms: GAPA-1, GLYCERALDEHYDE 3-PHOSPHATE DEHYDROGENASE A SUBUNIT, GLYCERALDEHYDE 3-PHOSPHATE DEHYDROGENASE A SUBUNIT 1, GLYCERALDEHYDE-3-PHOSPHATE DEHYDROGENASE A SUBUNIT, glyceraldehyde 3-phosphate dehydrogenase A subunit
 
 
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High impact information on GAPA

  • Expression of nuclear genes that encode the A and B subunits of chloroplast glyceraldehyde-3-phosphate dehydrogenase (GAPA and GAPB) of Arabidopsis is known to be regulated by light [1].
  • These results suggested that posttranscriptional control was involved in the up-regulation of the GAPA protein in the mutants [1].
  • Continuous light irradiation experiments with the hy4 mutant demonstrate that the HY4 gene product is required for full expression of GAPA, GAPB, and one or more of the nuclear genes encoding small subunits of of ribulose-1,5-bisphosphate carboxylase/oxygenase [2].
  • Continuous light irradiation and fluence-response studies with the phyA-101 mutant show that phytochrome A functions in far-red light regulation of GAPA, GAPB, nuclear genes encoding small subunits of ribulose-1,5-bisphosphate carboxylase/oxygenase, and CAB genes [2].
  • In addition, we showed that GATA-1 could also bind specifically to a cis-acting element in the promoter of the GAPA gene, which is coordinately regulated by light with the GAPB gene [3].
 

Analytical, diagnostic and therapeutic context of GAPA

  • Western-blot analysis showed that the GAPA protein level was nearly indistinguishable between the wild-type and the uga mutants [1].

References

  1. Mutations affecting light regulation of nuclear genes encoding chloroplast glyceraldehyde-3-phosphate dehydrogenase in Arabidopsis. Chan, C.S., Peng, H.P., Shih, M.C. Plant Physiol. (2002) [Pubmed]
  2. Effects of light and chloroplast functional state on expression of nuclear genes encoding chloroplast glyceraldehyde-3-phosphate dehydrogenase in long hypocotyl (hy) mutants and wild-type Arabidopsis thaliana. Conley, T.R., Shih, M.C. Plant Physiol. (1995) [Pubmed]
  3. Interaction of a GATA factor with cis-acting elements involved in light regulation of nuclear genes encoding chloroplast glyceraldehyde-3-phosphate dehydrogenase in Arabidopsis. Jeong, M.J., Jeong, M.J., Shih, M.C. Biochem. Biophys. Res. Commun. (2003) [Pubmed]
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