Molecular mechanisms of floral organ specification by MADS domain proteins

Current Opinion in Plant Biology
Wenhao YanKerstin Kaufmann

Abstract

Flower development is a model system to understand organ specification in plants. The identities of different types of floral organs are specified by homeotic MADS transcription factors that interact in a combinatorial fashion. Systematic identification of DNA-binding sites and target genes of these key regulators show that they have shared and unique sets of target genes. DNA binding by MADS proteins is not based on 'simple' recognition of a specific DNA sequence, but depends on DNA structure and combinatorial interactions. Homeotic MADS proteins regulate gene expression via alternative mechanisms, one of which may be to modulate chromatin structure and accessibility in their target gene promoters.

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Citations

Mar 10, 2016·Journal of Experimental Botany·Valérie Hecht
Feb 24, 2018·Journal of Experimental Botany·Susanne SchillingRainer Melzer
Jun 28, 2017·The Plant Journal : for Cell and Molecular Biology·Gaihua QinYiliu Xu
Jun 27, 2018·BMC Plant Biology·Niels AertsAalt D J van Dijk
Apr 18, 2021·Journal of Experimental Botany·Xiaocai XuKerstin Kaufmann
Jun 3, 2021·International Journal of Molecular Sciences·Stella QuirozBerenice García-Ponce
Jun 29, 2021·Journal of Experimental Botany·Pichang GongChaoying He

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