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Five components of the ethylene-response pathway identified in a screen for weak ethylene-insensitive
 

Summary: Five components of the ethylene-response pathway
identified in a screen for weak ethylene-insensitive
mutants in Arabidopsis
Jose M. Alonso*
, Anna N. Stepanova*
, Roberto Solano*§
, Ellen Wisman¶
, Simone Ferrari , Frederick M. Ausubel ,
and Joseph R. Ecker*,
**
*Plant Biology Laboratory, The Salk Institute for Biological Studies, La Jolla, CA, 92037; ¶Department of Energy Plant Research Laboratory, Michigan State
University, East Lansing, MI 48824; and Department of Genetics, Harvard Medical School, and Department of Molecular Biology, Massachusetts General
Hospital, Boston, MA 02114
Communicated by Joanne Chory, The Salk Institute for Biological Studies, La Jolla, CA, December 31, 2002 (received for review November 22, 2002)
Five ethylene-insensitive loci (wei1­wei5) were identified by using
a low-dose screen for ``weak'' ethylene-insensitive mutants. wei1,
wei2, and wei3 seedlings showed hormone insensitivity only in
roots, whereas wei4 and wei5 displayed insensitivity in both roots
and hypocotyls. The genes corresponding to wei1, wei4, and wei5
were isolated using a positional cloning approach. The wei1

  

Source: Ausubel, Frederick M. - Department of Genetics, Harvard University

 

Collections: Biology and Medicine