Journal
JOURNAL OF PLANT RESEARCH
Volume 128, Issue 1, Pages 17-25Publisher
SPRINGER JAPAN KK
DOI: 10.1007/s10265-014-0692-5
Keywords
Intercellular signaling; Morphogen gradient; Plant organogenesis; Protein diffusion dynamics
Categories
Funding
- RIKEN Special Postdoctoral Researchers Program [K23253]
- Japan Society for the Promotion of Science (JSPS) [262337]
- Grants-in-Aid for Scientific Research [14J02337] Funding Source: KAKEN
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Signaling molecules move between cells to form a characteristic distribution pattern within a developing organ; thereafter, they spatiotemporally regulate organ development. A key question in this process is how the signaling molecules robustly form the precise distribution on a tissue scale in a reproducible manner. Despite of an increasing number of quantitative studies regarding the mobility of signaling molecules, the detail mechanism of organogenesis via intercellular signaling is still unclear. We here review the potential advantages of plant development to address this question, focusing on the cytoplasmic continuity of plant cells through the plasmodesmata. The plant system would provide a unique opportunity to define the simple transportation mode of diffusion process, and, hence, the mechanism of organogenesis via intercellular signaling. Based on the advances in the understanding of intercellular signaling at the molecular level and in the quantitative imaging techniques, we discuss our current challenges in measuring the mobility of signaling molecules for deciphering plant organogenesis.
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