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- Title
Small molecules mediate cellular reprogramming across two kingdoms.
- Authors
Welsch, Ralf; Touraev, Alisher; Palme, Klaus
- Abstract
The fertilized egg is the single totipotent cell from which multicellular organisms arise through the processes of cell division and differentiation. While animals typically lose their capacity to redifferentiate cells that are already fully differentiated, plant cells are thought to remain totipotent (Su et al. , 2020). Every gardener knows well that plants can regenerate a full array of plant tissues from already differentiated organs. This also seems to be true for single plant cells such as protoplasts, which, under proper in vitro culture conditions, served as the initial source for generation of transgenic plants (Skoog and Miller, 1957 ; Birnbaum and Sánchez Alvarado, 2008). However, the mechanisms behind the totipotency of plant cells remain elusive, with the exception of the knowledge that the developmental fate of regenerating tissues can be directed by the ratio of two plant hormones, auxin and cytokinin (Skoog and Miller, 1957).
- Subjects
SMALL molecules; CYTOKININS; PLANT cell culture; PLANT hormones; PLANT protoplasts; PLANT cells &; tissues; GLYCOGEN synthase kinase
- Publication
Journal of Experimental Botany, 2021, Vol 72, Issue 22, p7645
- ISSN
0022-0957
- Publication type
Article
- DOI
10.1093/jxb/erab493