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Int. J. Mol. Sci. 2018, 19(9), 2589; https://doi.org/10.3390/ijms19092589

Cys2/His2 Zinc-Finger Proteins in Transcriptional Regulation of Flower Development

1,2,3
and
1,2,3,*
1
Laboratory of Cell and Molecular Biology, Institute of Vegetable Science, Zhejiang University, Hangzhou 310058, China
2
Key Laboratory of Horticultural Plant Growth, Development and Quality Improvement, Ministry of Agriculture, Hangzhou 310058, China
3
Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Hangzhou 310058, China
*
Author to whom correspondence should be addressed.
Received: 19 July 2018 / Revised: 28 August 2018 / Accepted: 29 August 2018 / Published: 31 August 2018
(This article belongs to the Section Molecular Plant Sciences)
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Abstract

Flower development is the core of higher-plant ontogenesis and is controlled by complex gene regulatory networks. Cys2/His2 zinc-finger proteins (C2H2-ZFPs) constitute one of the largest transcription factor families and are highly involved in transcriptional regulation of flowering induction, floral organ morphogenesis, and pollen and pistil maturation. Nevertheless, the molecular mechanism of C2H2-ZFPs has been gradually revealed only in recent years. During flowering induction, C2H2-ZFPs can modify the chromatin of FLOWERING LOCUS C, thereby providing additional insights into the quantification of transcriptional regulation caused by chromatin regulation. C2H2-ZFPs are involved in cell division and proliferation in floral organ development and are associated with hormonal regulation, thereby revealing how a flower is partitioned into four developmentally distinct whorls. The studies reviewed in this work integrate the information from the endogenous, hormonal, and environmental regulation of flower development. The structure of C2H2-ZFPs determines their function as transcriptional regulators. The findings indicate that C2H2-ZFPs play a crucial role in flower development. In this review, we summarize the current understanding of the structure, expression, and function of C2H2-ZFPs and discuss their molecular mechanism in flower development. View Full-Text
Keywords: Cys2/His2 zinc-finger protein; flowering induction; floral organ morphogenesis; molecular mechanism; transcriptional regulation Cys2/His2 zinc-finger protein; flowering induction; floral organ morphogenesis; molecular mechanism; transcriptional regulation
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Lyu, T.; Cao, J. Cys2/His2 Zinc-Finger Proteins in Transcriptional Regulation of Flower Development. Int. J. Mol. Sci. 2018, 19, 2589.

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