Quantitative trait loci conferring resistance to Fusarium head blight in barley respond differentially to Fusarium graminearum infection

Haiyan Jia; Benjamin P. Millett; Seungho Cho; Hatice Bilgic; Wayne W. Xu; Kevin P. Smith; Gary J. Muehlbauer

doi:10.1007/s10142-010-0192-1

Quantitative trait loci conferring resistance to Fusarium head blight in barley respond differentially to Fusarium graminearum infection

Haiyan Jia, Benjamin P. Millett, Seungho Cho, Hatice Bilgic, Wayne W. Xu, Kevin P. Smith, Gary J. Muehlbauer

Agronomy and Plant Genetics

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12 Scopus citations

Abstract

Fusarium head blight (FHB), primarily caused by Fusarium graminearum, reduces grain yield and quality in barley. Resistance to FHB is partial and quantitatively inherited. Previously, major FHB resistant QTL were detected on barley chromosome 2H Bin 8 and 2H Bin 10, and another QTL for reduced deoxynivalenol (DON) accumulation was identified on chromosome 3H Bin 6. To develop an understanding of the molecular responses controlled by these loci, we examined DON and fungal biomass levels and the transcriptome differences in near-isogenic line (NIL) pairs carrying contrasting resistant and susceptible alleles at these QTL during F. graminearum infection. No overlap was found among the differentially accumulated transcripts of the three NIL pairs, indicating that the response to infection controlled by the resistance alleles at each QTL may be distinct. Transcripts showing differential accumulation between resistant and susceptible NILs were compared to results from previous wheat/barley-F. graminearum studies and integrated into a wheat/barley-F. graminearum interaction model.

Original language	English (US)
Pages (from-to)	95-102
Number of pages	8
Journal	Functional and Integrative Genomics
Volume	11
Issue number	1
DOIs	https://doi.org/10.1007/s10142-010-0192-1
State	Published - Mar 2011

Bibliographical note

Funding Information:
Acknowledgments We would like to thank Dr. R. Dill-Macky for providing the F. graminearum inoculum and Dr. Y. Dong for conducting the mycotoxin and ergosterol assays. We thank Dr. Z. Tu at the Supercomputing Institute for bioinformatics assistance. This work was supported by grants from the U.S. Wheat and Barley Scab Initiative (USDA-ARS) and Minnesota Small Grains Initiative to G.J. M. and a College of Food, Agriculture and Natural Resources Sciences Graduate Student Fellowship and University of Minnesota Graduate School Doctoral Dissertation Fellowship to H.J.

Keywords

Barley
Fusarium head blight
Hordeum vulgare
Near-isogenic line
RNA profiling

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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title = "Quantitative trait loci conferring resistance to Fusarium head blight in barley respond differentially to Fusarium graminearum infection",

abstract = "Fusarium head blight (FHB), primarily caused by Fusarium graminearum, reduces grain yield and quality in barley. Resistance to FHB is partial and quantitatively inherited. Previously, major FHB resistant QTL were detected on barley chromosome 2H Bin 8 and 2H Bin 10, and another QTL for reduced deoxynivalenol (DON) accumulation was identified on chromosome 3H Bin 6. To develop an understanding of the molecular responses controlled by these loci, we examined DON and fungal biomass levels and the transcriptome differences in near-isogenic line (NIL) pairs carrying contrasting resistant and susceptible alleles at these QTL during F. graminearum infection. No overlap was found among the differentially accumulated transcripts of the three NIL pairs, indicating that the response to infection controlled by the resistance alleles at each QTL may be distinct. Transcripts showing differential accumulation between resistant and susceptible NILs were compared to results from previous wheat/barley-F. graminearum studies and integrated into a wheat/barley-F. graminearum interaction model.",

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note = "Funding Information: Acknowledgments We would like to thank Dr. R. Dill-Macky for providing the F. graminearum inoculum and Dr. Y. Dong for conducting the mycotoxin and ergosterol assays. We thank Dr. Z. Tu at the Supercomputing Institute for bioinformatics assistance. This work was supported by grants from the U.S. Wheat and Barley Scab Initiative (USDA-ARS) and Minnesota Small Grains Initiative to G.J. M. and a College of Food, Agriculture and Natural Resources Sciences Graduate Student Fellowship and University of Minnesota Graduate School Doctoral Dissertation Fellowship to H.J.",

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Quantitative trait loci conferring resistance to Fusarium head blight in barley respond differentially to Fusarium graminearum infection

Abstract

Bibliographical note

Keywords

UN SDGs

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