Fusarium Populations on Chinese Barley Show a Dramatic Gradient in Mycotoxin Profiles

Phytopathology - Tập 98 Số 6 - Trang 719-727 - 2008
Lijun Yang1, Théo van der Lee, Xiushi Yang, Dawei Yu, Cees Waalwijk
1Institute for Plant Protection and Soil Sciences, Hubei Academy of Agricultural Sciences, Wuhan, China

Tóm tắt

We report on a large gene bank of Fusarium isolates established by a broad survey conducted in 2005 in which infected barley ears were collected in 23 counties of seven provinces and two municipalities along the Yangtze River in China. In total, 1,894 single spore isolates were obtained. The isolates were characterized at the species level by a newly developed and robust set of diagnostic primers based on single nucleotide polymorphisms (SNPs) among members of the F. graminearum clade. In addition, we determined their chemotype using previously described polymerase chain reaction (PCR) primers. The results showed that in all regions F. asiaticum was the predominant species causing Fusarium head blight (FHB) on barley in China (N = 1,706), while in the upper valleys of the Yangtze River also F. graminearum sensu stricto, F. meridionale, and F. proliferatum were found. Major differences in the chemotypes were found in the F. asiaticum populations, from very high to exclusive nivalenol (NIV) chemotypes in the mountainous upper valleys of the Yangtze River to predominantly deoxynivalenol (DON) chemotypes in the middle and lower valleys. In contrast to the F. asiaticum isolates from three counties in Sichuan province, which were largely NIV producers (278 of 291), F. graminearum isolates from these sampling sites were for the vast majority (27 of 28) DON producers, indicating that despite sharing the same habitat, these sympatric species apparently have unique mycotoxin chemotypes.

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Tài liệu tham khảo

10.1094/PD-80-0975

10.1023/A:1020635214971

10.1046/j.1365-3059.2000.00482.x

10.1023/A:1019921203161

10.1016/S0885-5765(03)00092-4

CWSCG., 1984, J. Shanghai Normal Coll., 3, 69

10.1016/S0377-8401(99)00059-0

10.1046/j.1365-3059.1998.00218.x

10.1094/PHYTO.2002.92.12.1315

10.1111/j.1364-3703.2006.00357.x

10.1111/j.1439-0434.2007.01270.x

10.1093/genetics/160.4.1451

10.1111/j.0032-0862.2004.00985.x

10.1128/AEM.67.7.2966-2972.2001

10.1016/j.femsle.2005.01.015

10.1128/AEM.68.1.82-85.2002

Lu, W. H., Chen, S. H., and Wang, Y. Z. 2001. Research on Fusarium Head Scab. Science Publisher, Beijing.

10.1111/j.1364-3703.2006.00351.x

10.1094/PDIS.1997.81.12.1340

10.1006/pmpp.1998.0170

10.1073/pnas.130193297

10.1016/j.fgb.2004.03.003

Oerke, E. C. 2006. Spatial distribution of Fusarium spp. causing head blight in wheat fields. 9th European Fusarium Seminar, Wageningen, The Netherlands.

10.1111/j.1365-3059.1995.tb02773.x

10.1046/j.1365-3059.1996.d01-133.x

10.1016/S0377-8401(98)00278-8

10.1016/j.toxlet.2004.04.025

10.1080/07060660009501156

Waalwijk, C., de Vries, I., Köhl, J., Xu, X., van der Lee, T., and Kema, G. H. J. 2008. Development of quantitative detection methods for Fusarium in cereals and their application. Pages 197-207 in: Mycotoxins: Detection Methods, Management, Public Health and Agricultural Trade. J. F. Leslie, R. Bandyopadhyay, and A. Visconti, eds. CABI Publishing.

10.1023/A:1026086510156

10.1023/B:EJPP.0000032387.52385.13

10.1073/pnas.142307199

10.1094/PHYTO.2000.90.1.17

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Phytopathology

Tập 98 Số 6

719-727

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