Gibberellin and auxin influence the diurnal transcription pattern of photoreceptor genes via CRY1a in tomato.

ABSTRACT:

Background

Plant photoreceptors, phytochromes and cryptochromes, regulate many aspects of development and growth, such as seed germination, stem elongation, seedling de-etiolation, cotyledon opening, flower induction and circadian rhythms. There are several pieces of evidence of interaction between photoreceptors and phyto-hormones in all of these physiological processes, but little is known about molecular and genetic mechanisms underlying hormone-photoreceptor crosstalk.

Methodology/principal findings

In this work, we investigated the molecular effects of exogenous phyto-hormones to photoreceptor gene transcripts of tomato wt, as well as transgenic and mutant lines with altered cryptochromes, by monitoring day/night transcript oscillations. GA and auxin alter the diurnal e

SUBMITTER: Facella P 

PROVIDER: S-EPMC3260215 | biostudies-literature | 2012

REPOSITORIES: biostudies-literature