Identification and functional expression in yeast of a prenylcysteine α-carboxyl methyltransferase gene from Arabidopsis thaliana

Identification and functional expression in yeast of a prenylcysteine α-carboxyl... Most isoprenylated proteins are α-carboxyl-methylated. However, despite numerous studies linking protein isoprenylation in plants to cell cycle control, meristem development, and phytohormone signaling, α-carboxyl methylation of isoprenylated plant proteins has not been characterized in detail. Here, we report the cloning of a prenylcysteine α-carboxyl methyltransferase gene (AtSTE14) from Arabidopsis thaliana. AtSTE14 restores fertility and enzymatic activity to a ste14 mutant of Saccharomyces cerevisiae, confirming its identity as a bona fide prenylcysteine α-carboxyl methyltransferase gene. Furthermore, the presence of AtSTE14 transcripts in various Arabidopsis organs suggests a ubiquitous role for the AtSTE14 protein in plant growth and development. These results demonstrate that Arabidopsis thaliana possesses a functional prenylcysteine α-carboxyl methyltransferase involved in post-isoprenylation protein processing. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Plant Molecular Biology Springer Journals

Identification and functional expression in yeast of a prenylcysteine α-carboxyl methyltransferase gene from Arabidopsis thaliana

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Publisher
Kluwer Academic Publishers
Copyright
Copyright © 2001 by Kluwer Academic Publishers
Subject
Life Sciences; Biochemistry, general; Plant Sciences; Plant Pathology
ISSN
0167-4412
eISSN
1573-5028
D.O.I.
10.1023/A:1010671202925
Publisher site
See Article on Publisher Site

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