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Plant Physiol. 1995;109:725-7.

Specialized zones of development in roots.

Author information

1
Department of Plant Biology, The Ohio State University, Columbus 43210, USA.
2
OH St U, Columbus

Abstract

NASA:

The authors propose using the term "distal elongation zone" (DEZ) rather than "postmitotic isodiametric growth zone" to refer to the group of cells between the apical meristem and the elongation zone in plant roots. Reasons presented for the change are that the proposed DEZ includes many cells that are still dividing, most cells in the region are not isodiametric, and the pattern of cell expansion in this region varies with position in the region. Cells in the DEZ respond to gravistimulation, mechanical impedance, electrotropic stimulation, water stress, and auxin. Differences in gene expression patterns between DEZ cells and cells in the main elongation zone are noted.

PMID:
11539165
PMCID:
PMC161370
DOI:
10.1104/pp.109.3.725
[Indexed for MEDLINE]
Free PMC Article

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