Genetic control of polar cell expansion in Arabidopsis thaliana

Conference · Tue May 01 04:00:00 EDT 1990 · Plant Physiology, Supplement; (USA)

OSTI ID:5627945

Schiefelbein, J; Ford, S ^[1]; Somerville, C ^[2]

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1. Univ. of Michigan, Ann Arbor (USA)
2. MSU-DOE Plant Research Laboratory, East Lansing, MI (USA)

Certain plant cells, like root hairs and pollen tubes, exhibit polar cell growth, with expansion limited to the tip of the growing cell. In order to understand the mechanisms regulating polar cell expansion, we are studying the process of root hair elongation in Arabidopsis thaliana. By visually screening roots from 12,000 mutagenized Arabidopsis seedlings on Petri dishes, more than 40 root hair mutants have been identified. We have focused our attention on mutants that possess nuclear recessive mutations in three genes (RHD2, RHD3, and RDH4) that appear to be involved in controlling polar cell growth in root hairs. We are currently using cellular, genetic, and molecular approaches to understand these genes' normal roles in root hair elongation.

• OSTI ID: 5627945
• Report Number(s): CONF-9007196--
• Conference Information: Journal Name: Plant Physiology, Supplement; (USA) Journal Volume: 93:1
• Country of Publication: United States
• Language: English

Related Subjects

550400* -- Genetics
59 BASIC BIOLOGICAL SCIENCES
ARABIDOPSIS
BIOLOGICAL PATHWAYS
CONTROL
GENETIC CONTROL
GROWTH
MAGNOLIOPHYTA
MAGNOLIOPSIDA
PEST CONTROL
PLANT GROWTH
PLANTS
ROOTS