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Changes in free polyamines and gene expression during peach flower development

Authors
  • Liu, J. H.1
  • Moriguchi, T.2
  • 1 Huazhong Agricultural University, National Centre of Crop Molecular Breeding, Wuhan, 43000, P.R. China , Wuhan (China)
  • 2 National Institute of Fruit Tree Science, Tsukuba, Ibaraki, 305-8605, Japan , Tsukuba, Ibaraki (Japan)
Type
Published Article
Journal
Biologia Plantarum
Publisher
Kluwer Academic Publishers-Consultants Bureau
Publication Date
Sep 01, 2007
Volume
51
Issue
3
Pages
530–532
Identifiers
DOI: 10.1007/s10535-007-0114-9
Source
Springer Nature
Keywords
License
Yellow

Abstract

Free polyamine contents and expressions of five genes encoding for polyamine biosynthetic enzymes were investigated at four different stages during peach (Prunus persica L. Batsch cv. Akatsuki) flower development. Fresh mass of peach flowers increased, accompanied by reduction in contents of total polyamines and putrescine/spermidine ratio due to decrease in putrescine content. Spermidine, the largest fraction, and spermine, the least part, underwent minor change. Expressions of the five key genes involved in polyamine biosynthesis during flower development did not parallel the changes in free polyamines.

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