Polyamine biosynthesis regulated by StARD expression plays an important role in potato wound periderm formation

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Title
Polyamine biosynthesis regulated by StARD expression plays an important role in potato wound periderm formation
Author(s)
Jae Hyun Kim; Hyun Soon Kim; Yong Hwa Lee; Y S Kim; Hyun Woo Oh; Hyouk Joung; S K Chae; K H Suh; Jae Heung Jeon
Bibliographic Citation
Plant and Cell Physiology, vol. 49, no. 10, pp. 1627-1632
Publication Year
2008
Abstract
An acireductone dioxygenase (ARD) gene of potatoes was isolated from the expressed sequence tags (ESTs) of potato post-suberization cDNA libraries. The highest expression levels of the StARD gene and the protein appeared 36 h after suberization. An approximate 9-fold increase in ARD activity was detected at 36 h after wounding. Real-time reverse transcription-PCR (RT-PCR) analysis and immunolocalization studies revealed that StARD transcripts increase at the wound surface of potato tubers. The polyamine (PA) contents increased significantly after wounding at the wound surface. The increased PA content and ARD activity may play an important role in wound periderm formation.
Keyword
ARDMethionine salvagePolyaminePotatoSuberization
ISSN
0032-0781
Publisher
Oxford Univ Press
DOI
http://dx.doi.org/10.1093/pcp/pcn115
Type
Article
Appears in Collections:
Division of Research on National Challenges > Plant Systems Engineering Research > 1. Journal Articles
Division of Bio Technology Innovation > Core Research Facility & Analysis Center > 1. Journal Articles
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