Polyamine Biosynthesis Regulated by StARD Expression Plays an Important Role in Potato Wound Periderm Formation | Zendy

JaeHyun Kim | Zendy; Hyun Soon Kim | Zendy; Yong Hwa Lee | Zendy; Yoon Sik Kim | Zendy; Hyun Woo Oh | Zendy; Hyouk Joung | Zendy; SuhnKee Chae | Zendy; Kyong Hoon Suh | Zendy; Jae Heung Jeon | Zendy

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Polyamine Biosynthesis Regulated by StARD Expression Plays an Important Role in Potato Wound Periderm Formation

Author(s) -

JaeHyun Kim,

Hyun Soon Kim,

Yong Hwa Lee,

Yoon Sik Kim,

Hyun Woo Oh,

Hyouk Joung,

SuhnKee Chae,

Kyong Hoon Suh,

Jae Heung Jeon

Publication year - 2008

Publication title -

plant and cell physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.975

H-Index - 152

eISSN - 1471-9053

pISSN - 0032-0781

DOI - 10.1093/pcp/pcn115

Subject(s) - polyamine , biosynthesis , microbiology and biotechnology , chemistry , biology , botany , biochemistry , gene

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.

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