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- Title
Plant stem cells and <italic>de novo</italic> organogenesis.
- Authors
Sang, Ya Lin; Cheng, Zhi Juan; Zhang, Xian Sheng
- Abstract
Contents Summary 1334 I. Introduction 1334 II. Regeneration‐initial cell: the origin of regeneration 1335 III. Acquiring regeneration competency: the essential intermediate step for hormone‐induced regeneration 1335 IV. Hormonal induction of stem cell regulators: the program for <italic>de novo</italic> establishment of apical meristems 1337 V. Conclusions and perspectives 1337 Acknowledgements 1338 Author contributions 1338 References 1338 Summary: High cellular plasticity confers remarkable regeneration capacity to plants. Based on the activity of stem cells and their regulators, higher plants are capable of regenerating new individuals. <italic>De novo</italic> organogenesis exemplifies the regeneration of the whole plant body and is exploited widely in agriculture and biotechnology. In this Tansley insight article, we summarize recent advances that facilitate our understanding of the molecular mechanisms underlying <italic>de novo</italic> organogenesis. According to our current knowledge, this process can be divided into three steps, including activation of regeneration‐initial cells, acquisition of competency and <italic>de novo</italic> establishment of apical meristems. The functions of stem cells and their regulators are critical to <italic>de novo</italic> organogenesis, whereas auxin and cytokinin act as triggers and linkers between different steps.
- Subjects
PLURIPOTENT stem cells; MORPHOGENESIS; REGENERATION (Biology); CYTOKININS; AUXIN
- Publication
New Phytologist, 2018, Vol 218, Issue 4, p1334
- ISSN
0028-646X
- Publication type
Abstract
- DOI
10.1111/nph.15106