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Metabolic differentiation of diamondback moth ( Plutella xylostella (L.)) resistance in cabbage ( Brassica oleracea L. ssp. capitata).

Authors
  • Kim, Jae Kwang1
  • Choi, Su Ryun
  • Lee, Jeongyeo
  • Park, Soo-Yun
  • Song, Seung Yeub
  • Na, Jonghyun
  • Kim, Suk Weon
  • Kim, Sun-Ju
  • Nou, Ill-Sup
  • Lee, Yong Han
  • Park, Sang Un
  • Kim, Hyeran
  • 1 Division of Life Sciences, Incheon National University , Incheon 406-772, Korea. , (North Korea)
Type
Published Article
Journal
Journal of Agricultural and Food Chemistry
Publisher
American Chemical Society
Publication Date
Nov 20, 2013
Volume
61
Issue
46
Pages
11222–11230
Identifiers
DOI: 10.1021/jf403441t
PMID: 24144435
Source
Medline
License
Unknown

Abstract

The diamondback moth, Plutella xylostella (L.), is a major pest responsible for destroying cabbage and other Brassica vegetable crops. A diamondback moth-resistant cabbage line was studied by comparing its metabolite profiles with those of a susceptible cabbage. Fourier transform infrared spectroscopy analysis revealed that carbohydrates, aromatic compounds, and amides were the major factors that distinguished the resistant and susceptible genotypes. Gas chromatography-time-of-flight mass spectrometry profiled 46 metabolites, including 19 amino acids, 15 organic acids, 8 sugars, 3 sugar alcohols, and 1 amine in two genotypes and F1 hybrid cabbages. The levels of glycolic acid, quinic acid, inositol, fumaric acid, glyceric acid, trehalose, shikimic acid, and aspartic acid were found to be very significantly different between the resistant and susceptible genotypes with a P value of <0.0001. These results will provide a foundation for further studies on diamondback moth resistance in cabbage breeding and for the development of other herbivore-resistant crops.

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