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Antibacterial activity of 4-oxo-(E)-2-hexenal from adults and nymphs of the heteropteran, Dolycoris baccarum (heteroptera: Pentatomidae)

  • Koji Noge
  • , Hiroki Kimura
  • , Makoto Abe
  • , Judith X. Becerra
  • , Shigeru Tamogami

Research output: Contribution to journal › Article › peer-review

Abstract

We identified 4-oxo-(E)-2-hexenal (4-OHE) as a common component of the secretion from both Dolycoris baccarum nymphs (66:5 ± 34:7 μg/bug) and adults (87:4 ± 48:0 μg/bug) by GC/MS. We also found that this compound inhibited the growth of bacteria starting at 10 μg. The stronger antibacterial activity of 4-OHE than that of (E)-2-hexenal and (E)-2-octenal might be explained by the reactivity of αβ-unsaturated aldehydes with nucleophilic molecules.

Original languageEnglish (US)
Pages (from-to)1975-1978
Number of pages4
JournalBioscience, Biotechnology and Biochemistry
Volume76
Issue number10
DOIs
StatePublished - 2012

Keywords

  • (E)-2-hexenal
  • 16S rRNA
  • 4-oxo-(E)-2-hexenal
  • Antibacterial activity
  • Dolycoris baccarum

ASJC Scopus subject areas

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

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