MBF1s regulate ABA-dependent germination of Arabidopsis seeds.
作者： María Florencia Di Mauro , María José Iglesias , Débora Pamela Arce , Estela Marta Valle , Roberto Benech Arnold
DOI: 10.4161/PSB.18843
关键词:
摘要: Transcriptional co-activators of the multiprotein bridging factor 1 (MBF1) control gene expression by connecting transcription factors and basal machinery. In Arabidopsis thaliana functions MBF1 genes have been related to stress tolerance developmental alterations. Endogenous ABA plays a major role in regulation seed dormancy germination. Seed sensitivity are enhanced ethylene insensitive mutants suggesting that signal transduction pathway is necessary fully develop ABA-dependent this report we showed triple knock-down mutant for (abc-) has displays hypersensitivity exogenous ABA. addition, higher contents were detected abc- seeds after imbibition. These evidences suggest negative MBF1s inhibition The participation also discussed.
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