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Plant homeobox genes: many functions stem from a common motif
Author(s) -
Williams Robert W.
Publication year - 1998
Publication title -
bioessays
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.175
H-Index - 184
eISSN - 1521-1878
pISSN - 0265-9247
DOI - 10.1002/(sici)1521-1878(199804)20:4<280::aid-bies2>3.0.co;2-u
Subject(s) - homeobox , homeobox protein nkx 2.5 , homeobox a1 , biology , hnf1b , emx2 , meristem , gene , genetics , transcription factor , dlx5
Abstract Homeodomain‐containing transcription factors play a variety of important roles in plant, animal, and fungal development. Mutational and evolutionary analysis is beginning to pinpoint specific roles of homeobox genes in plant meristem function. Even though many different plant homeobox genes encode very similar homeodomain sequences, overexpression studies suggest the existence of several levels of regulation that may specify the functions of the different proteins. Recent analysis of the maize Knotted1 gene and its orthologue in barley demonstrates some of these regulatory processes. 1 BioEssays 20 :280‐282, 1998.© 1998 John Wiley & Sons, Inc.