Cyclic programmed cell death stimulates hormone signaling and root development in Arabidopsis

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Science  22 Jan 2016:
Vol. 351, Issue 6271, pp. 384-387
DOI: 10.1126/science.aad2776

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Cell death establishes a site for development

As plant roots grow through the soil, lateral roots emerge to reach more resources. Xuan et al. now show that programmed cell death sets the course for lateral root development. Cells in a specialized region of the root cap periodically die off as a group, defining a location at which a lateral root will later develop.

Science, this issue p. 384

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