HMG-CoA reductase gene families that differentially accumulate transcripts in potato tubers are developmentally expressed in floral tissues

HMG-CoA reductase gene families that differentially accumulate transcripts in potato tubers are... We isolated two full-length cDNA clones encoding 3-hydroxy-3-methylglutaryl coenzyme A reductase (HMGR) from potato (Solanum tuberosum) L. tubers. The clones, designated hmg2.2 and hmg3.3, are members of previously described gene subfamilies. In addition to being induced by arachidonic acid in tubers, hmg2.2 transcript accumulates developmentally in young flowers, and in mature sepals and ovaries, whereas transcript for hmg3.3 accumulates in mature petals and anthers. Our data suggest that members of specific HMGR-encoding gene sub-families might be involved in both defense responses and flower development. Accumulation of different HMGR transcripts could provide some control of isoprenoid biosynthesis by producing isoforms specific for classes of end-products produced in particular tissues. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Plant Molecular Biology Springer Journals

HMG-CoA reductase gene families that differentially accumulate transcripts in potato tubers are developmentally expressed in floral tissues

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Publisher
Kluwer Academic Publishers
Copyright
Copyright © 1997 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:1005743011651
Publisher site
See Article on Publisher Site

Abstract

We isolated two full-length cDNA clones encoding 3-hydroxy-3-methylglutaryl coenzyme A reductase (HMGR) from potato (Solanum tuberosum) L. tubers. The clones, designated hmg2.2 and hmg3.3, are members of previously described gene subfamilies. In addition to being induced by arachidonic acid in tubers, hmg2.2 transcript accumulates developmentally in young flowers, and in mature sepals and ovaries, whereas transcript for hmg3.3 accumulates in mature petals and anthers. Our data suggest that members of specific HMGR-encoding gene sub-families might be involved in both defense responses and flower development. Accumulation of different HMGR transcripts could provide some control of isoprenoid biosynthesis by producing isoforms specific for classes of end-products produced in particular tissues.

Journal

Plant Molecular BiologySpringer Journals

Published: Sep 29, 2004

References

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