A small HSP gene is not responsible for diapause and cold tolerance acquisition in Chilo suppressalis

S. Sonoda, K. Fukumoto, Y. Izumi, M. Ashfaq, H. Yoshida, H. Tsumuki

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

The cDNA sequence of a small heat shock protein (hsp19.7) was cloned and sequenced from the rice stem borer, Chilo suppressalis Walker. The cDNA encoded a protein of 177 amino acids with a calculated molecular weight of 19.7 kDa. The deduced amino acid sequence showed the highest identity of 90% to Bombyx morihsp19.9. Expression levels of hsp19.7 were similar between diapausing and non-diapausing larvae. In non-diapausing larvae, but not in diapausing ones, hsp19.7 expression was upregulated by cold acclimation. Involvement of hsp19.7 in larval diapause and cold tolerance in C. suppressalis is discussed.

Original languageEnglish
Pages (from-to)309-313
Number of pages5
JournalJournal of Applied Entomology
Volume130
Issue number5
DOIs
Publication statusPublished - Jun 1 2006

Keywords

  • Copy number
  • Gene expression
  • Lepidoptera
  • Molecular cloning

ASJC Scopus subject areas

  • Agronomy and Crop Science
  • Insect Science

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