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Toxins 2017, 9(8), 238; doi:10.3390/toxins9080238

Analysis of the Masked Metabolite of Deoxynivalenol and Fusarium Resistance in CIMMYT Wheat Germplasm

1
Food Research Institute, National Agriculture and Food Research Organization (NARO), 2-1-12 Kannon-dai, Tsukuba-shi, Ibaraki 305-8642, Japan
2
Advanced Analysis Center, NARO, 2-1-12 Kannondai, Tsukuba 305-8642, Japan
3
International Maize and Wheat Improvement Center (CIMMYT), Apdo, Postal 6-641, Mexico DF 06600, Mexico
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editor: Paola Battilani
Received: 15 June 2017 / Revised: 26 July 2017 / Accepted: 27 July 2017 / Published: 29 July 2017
(This article belongs to the Collection Understanding Mycotoxin Occurrence in Food and Feed Chains)
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Abstract

Fusarium head blight (FHB) causes significant grain loss and contamination of grains with harmful mycotoxins, especially deoxynivalenol (DON). Fusarium resistance and DON accumulation have been extensively investigated in various cultivars; however, the level of DON-3-O-glucoside (D3G) has not been as carefully studied. In this study, we measured accumulated DON and D3G levels in CIMMYT wheat elite germplasm using an analytical method validated in-house. Co-occurring nivalenol (NIV) and ergostrerol (ERG) were also analyzed. LC-MS/MS and LC-UV analyses were applied to the 50 CIMMYT elite wheat lines. D3G showed rather high correlation with DON (r = 0.82), while FHB symptoms showed slight correlation with DON and D3G (r = 0.36 and 0.32, respectively). D3G/DON ratio varied widely from 8.1 to 37.7%, and the ratio was not related with FHB resistance in this dataset. View Full-Text
Keywords: Fusarium head blight (FHB); deoxynivalenol (DON); deoxynivalenol-3-O-glucoside (D3G); high performance liquid chromatography with tandem mass spectrometry (LC-MS/MS) Fusarium head blight (FHB); deoxynivalenol (DON); deoxynivalenol-3-O-glucoside (D3G); high performance liquid chromatography with tandem mass spectrometry (LC-MS/MS)
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Nakagawa, H.; He, X.; Matsuo, Y.; Singh, P.K.; Kushiro, M. Analysis of the Masked Metabolite of Deoxynivalenol and Fusarium Resistance in CIMMYT Wheat Germplasm. Toxins 2017, 9, 238.

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