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Regulation of axillary meristem initiation by transcription factors and plant hormones

By Minglei eYang and Yuling eJiao


One distinctive feature of plant post-embryonic development is that plants can undergo reiterative growth and continuous organogenesis throughout their lifetimes. Axillary meristems in leaf axils play a central role in this growth and differences in meristem initiation and development produce the diversity of plant architecture. Studies in the past fifteen years have shown that several transcription factors and phytohormones affect axillary meristem initiation. In this review, we highlight recent research using systems biology approaches to examine the regulatory hierarchies underlying axillary meristem initiation and the role of auxins and cytokinins in axillary meristem initiation and development. This research revealed a developmental mechanism in which phytohormone signals act with a gene regulatory network containing multiple transcription factors to contribute to the initiation of axillary meristems

Topics: Transcription Factors, auxin, Cytokinin, axillary meristem, Post-embryonic development, Plant culture, SB1-1110
Publisher: Frontiers Media S.A.
Year: 2016
DOI identifier: 10.3389/fpls.2016.00183
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