Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 549781
Title A Jasmonate Signaling Network Activates Root Stem Cells and Promotes Regeneration
Author(s) Zhou, Wenkun; Lozano-Torres, Jose L.; Blilou, Ikram; Zhang, Xiaoyue; Zhai, Qingzhe; Smant, Geert; Li, Chuanyou; Scheres, Ben
Source Cell 177 (2019)4. - ISSN 0092-8674 - p. 942 - 956.
Department(s) Plant Developmental Biology
Laboratory of Nematology
Laboratory of Molecular Biology
Publication type Refereed Article in a scientific journal
Publication year 2019
Abstract Plants are sessile and have to cope with environmentally induced damage through modification of growth and defense pathways. How tissue regeneration is triggered in such responses and whether this involves stem cell activation is an open question. The stress hormone jasmonate (JA) plays well-established roles in wounding and defense responses. JA also affects growth, which is hitherto interpreted as a trade-off between growth and defense. Here, we describe a molecular network triggered by wound-induced JA that promotes stem cell activation and regeneration. JA regulates organizer cell activity in the root stem cell niche through the RBR-SCR network and stress response protein ERF115. Moreover, JA-induced ERF109 transcription stimulates CYCD6;1 expression, functions upstream of ERF115, and promotes regeneration. Soil penetration and response to nematode herbivory induce and require this JA-mediated regeneration response. Therefore, the JA tissue damage response pathway induces stem cell activation and regeneration and activates growth after environmental stress.
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