Gene Symbol: GA20OX2
Description: gibberellin 20 oxidase 2
Alias: AT2353, ATGA20OX2, MIO24.5, MIO24_5, gibberellin 20 oxidase 2, gibberellin 20 oxidase 2
Species: thale cress
Rieu I, Ruiz Rivero O, Fernandez Garcia N, Griffiths J, Powers S, Gong F, et al
. The gibberellin biosynthetic genes AtGA20ox1 and AtGA20ox2 act, partially redundantly, to promote growth and development throughout the Arabidopsis life cycle. Plant J. 2008;53:488-504 pubmed
..We have used reverse genetics to determine the physiological roles of AtGA20ox1 and AtGA20ox2, the most highly expressed GA20ox genes during vegetative and early reproductive development...
Hisamatsu T, King R, Helliwell C, Koshioka M. The involvement of gibberellin 20-oxidase genes in phytochrome-regulated petiole elongation of Arabidopsis. Plant Physiol. 2005;138:1106-16 pubmed
..Of 10 GA biosynthetic genes, expression of the 20-oxidase, AtGA20ox2, responded most to FR (up to a 40-fold increase within 3 h). AtGA20ox1 also responded but to a lesser extent...
Phillips A, Ward D, Uknes S, Appleford N, Lange T, Huttly A, et al
. Isolation and expression of three gibberellin 20-oxidase cDNA clones from Arabidopsis. Plant Physiol. 1995;108:1049-57 pubmed
..One of these was used to isolate two different full-length cDNA clones, At2301 and At2353, from shoots of the GA-deficient Arabidopsis mutant ga1-2...
Zentella R, Zhang Z, Park M, Thomas S, Endo A, Murase K, et al
. Global analysis of della direct targets in early gibberellin signaling in Arabidopsis. Plant Cell. 2007;19:3037-57 pubmed
..In addition, one of the putative DELLA targets, XERICO, promotes accumulation of abscisic acid (ABA) that antagonizes GA effects. Therefore, DELLA may restrict GA-promoted processes by modulating both GA and ABA pathways. ..
Andres F, Porri A, Torti S, Mateos J, Romera Branchat M, García Martínez J, et al
. SHORT VEGETATIVE PHASE reduces gibberellin biosynthesis at the Arabidopsis shoot apex to regulate the floral transition. Proc Natl Acad Sci U S A. 2014;111:E2760-9 pubmed publisher
..To identify additional SVP functions, we analyzed genome-wide transcriptome data and show that GIBBERELLIN 20 OXIDASE 2, which encodes an enzyme required for biosynthesis of the growth regulator gibberellin (GA), is ..
Kim Y, Nakajima M, Nakayama A, Yamaguchi I. Contribution of gibberellins to the formation of Arabidopsis seed coat through starch degradation. Plant Cell Physiol. 2005;46:1317-25 pubmed
..The mRNAs of AtGA20ox2, AtGA20ox3 and AtGA3ox4 began to be detectable 5-7 d after pollination...
Plackett A, Powers S, Fernandez Garcia N, Urbanová T, Takebayashi Y, Seo M, et al
. Analysis of the developmental roles of the Arabidopsis gibberellin 20-oxidases demonstrates that GA20ox1, -2, and -3 are the dominant paralogs. Plant Cell. 2012;24:941-60 pubmed publisher
..Some phenotypic recovery of late flowers in GA-deficient mutants, including ga1-3, indicated the involvement of non-GA pathways in floral development. ..