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Cited by 285

The DOI matches its Crossref record; 41 of the 41 references it cites were found in a registry or an index.

Brassinosteroid-Regulated Gene Expression

Open access
Müssig, Carsten, Fischer, Sabine, Altmann, Thomas·2002·Plant Physiology

Abstract

Major brassinosteroid (BR) effects such as BR-induced growth are mediated through genomic pathways because RNA synthesis inhibitors and protein synthesis inhibitors interfere with these processes. A limited number of BR-regulated genes have been identified hitherto. The majority of genes (such as BRU1, CycD3,Lin6, OPR3, and TRIP-1) were identified by comparisons of BR-treated versus control-treated plants. However, altered transcript levels after BR application may not reflect normal physiological events. A complementary approach is the comparison of BR-deficient plants versus wild-type plants. No artificial treatments interfere with endogenous signaling pathways, but a subset of phenotypic alterations of phytohormone-deficient plants most probably is secondary. To identify genes that are subject to direct BR regulation, we analyzed CPD antisense anddwf1-6 (cbb1) mutant plants. Both show a mild phenotype in comparison with BR-deficient mutants such ascpd/cbb3, det2, anddwf4. Plants were grown under two different environments to filter out BR deficiency effects that occur only at certain environmental conditions. Finally, we established expression patterns after BR treatment of wild-type and dwf1-6(cbb1) plants. Ideally, a BR-regulated gene displays a dose-response relationship in such a way that a gene with decreased transcript levels in BR-deficient plants is BR inducible and vice versa. Expression profile analysis of above ground part of plants was performed by means of Affymetrix Arabidopsis Genome Arrays.

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Crossref · 10.1104/pp.011003

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Metadata

Authors
Müssig, C., Fischer, S., & Altmann, T.
Venue
Plant Physiology
Published
2002-07-01
Volume
129
Issue
3
Pages
1241-1251
ISSN
  • 0032-0889 (ISSN-L)
  • 1532-2548
OpenAlex
W2119790163
Cited by
285
References
41
FWCI
24.94
Type
journal article
Language
en
Open access
green

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