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Plant Signal Behav. 2013;8(12):e27432. doi: 10.4161/psb.27432. Epub 2013 Dec 31.

Arabidopsis WIND1 induces callus formation in rapeseed, tomato, and tobacco.

Author information

1
Center for Sustainable Resource Science; RIKEN; Yokohama, Japan.
2
Bioproduction Research Institute; National Institute of Advanced Industrial Science and Technology (AIST); Tsukuba, Japan.
3
Graduate School of Agriculture; Tamagawa University; Tokyo, Japan.
4
Gene Research Center; University of Tsukuba; Tsukuba, Japan.

Abstract

The capacity to promote cell dedifferentiation is widespread among plant species. We have recently reported that an AP2/ERF transcription factor WOUND INDUCED DEDIFFERENTIATION 1 (WIND1) and its paralogues, WIND2-4, promote cell dedifferentiation in Arabidopsis (Arabidopsis thaliana). Phylogenetic analyses suggest that AtWIND1 orthologs are found in land plants and that the shared peptide motifs between Arabidopsis paralogues are conserved in putative orthologs in dicotyledonous and monocotyledonous plants. In this study we show that AtWIND1 chemically induced rapeseed and tomato, as well as AtWIND1 constitutively expressed tobacco, promote callus formation on phytohormone-free medium. Our results suggest that the WIND1-mediated signaling cascade to promote cell dedifferentiation might be conserved in at least several species of Brassicaceae and Solanaceae.

KEYWORDS:

AP2/ERF transcription factor; WIND1; callus induction; cell dedifferentiation; tissue culture

PMID:
24389814
PMCID:
PMC4091253
DOI:
10.4161/psb.27432
[Indexed for MEDLINE]
Free PMC Article

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