Damage to cultivated Japanese pearl oysters by oxidative stress that was related to "mass mortality"

Yuushi Uchimura, Hirofumi Yamashita, Makoto Kuramoto, Kohji Ishihara, Manabu Sugimoto, Nobuyoshi Nakajima

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Increased blood-DNA breakage was observed in diseased pearl oysters. They showed significant formation of 8-hydroxydeoxyguanosine (8-OHdG) and malondialdehyde (MDA), whereas the oysters that had a low mortality rate from the disease had high activity of superoxide dismutase (SOD) and low amounts of 8-OHdG and MDA. These results suggest that radical damage had occurred only in the diseased pearl oysters with the cytolysis of their haemocytes, which was related to the mass mortality of the Japanese pearl oysters.

Original languageEnglish
Pages (from-to)2470-2473
Number of pages4
JournalBioscience, Biotechnology and Biochemistry
Volume67
Issue number11
DOIs
Publication statusPublished - Nov 1 2003

Keywords

  • 8-hydroxydeoxyguanosine (8-OHdG)
  • Malondialdehyde (MDA)
  • Oxidative stress
  • Pearl oyster
  • Superoxide dismutase (SOD)

ASJC Scopus subject areas

  • Biotechnology
  • Analytical Chemistry
  • Biochemistry
  • Applied Microbiology and Biotechnology
  • Molecular Biology
  • Organic Chemistry

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