Differential expression of two spermidine synthase genes during early fruit development and in vegetative tissues of pea

Differential expression of two spermidine synthase genes during early fruit development and in... Two cDNAs from young pea fruits coding for functional spermidine synthases (EC 2.5.1.16) were isolated. The corresponding genes were named psSPDSYN1 and psSPDSYN2. Both cDNAs complemented spe3Δ gene when introduced into the Y480 strain of Saccharomyces cerevisiae, which is a null mutant for the spermidine synthase gene. psSPDSYN1 and psSPDSYN2 are regulated differentially. psSPDSYN1 is up-regulated early after fruit set whereas psSPDSYN2 is expressed later. Spermidine synthase activity was detected in pea ovaries, and correlates with the pattern of expression of psSPDSYN1. In the pea plant, psSPDSYN1 is highly expressed in actively growing tissues, whereas the highest level of psSPDSYN2 mRNA was detected in fully elongated stem. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Plant Molecular Biology Springer Journals

Differential expression of two spermidine synthase genes during early fruit development and in vegetative tissues of pea

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Publisher
Kluwer Academic Publishers
Copyright
Copyright © 1999 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:1006158819849
Publisher site
See Article on Publisher Site

Abstract

Two cDNAs from young pea fruits coding for functional spermidine synthases (EC 2.5.1.16) were isolated. The corresponding genes were named psSPDSYN1 and psSPDSYN2. Both cDNAs complemented spe3Δ gene when introduced into the Y480 strain of Saccharomyces cerevisiae, which is a null mutant for the spermidine synthase gene. psSPDSYN1 and psSPDSYN2 are regulated differentially. psSPDSYN1 is up-regulated early after fruit set whereas psSPDSYN2 is expressed later. Spermidine synthase activity was detected in pea ovaries, and correlates with the pattern of expression of psSPDSYN1. In the pea plant, psSPDSYN1 is highly expressed in actively growing tissues, whereas the highest level of psSPDSYN2 mRNA was detected in fully elongated stem.

Journal

Plant Molecular BiologySpringer Journals

Published: Oct 19, 2004

References

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