Xiangyang Xu
(PhD)
Peanut and Small Grains Research Unit
Research Geneticist (Plants)
Phone: (405) 385-5430
Fax:
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Publications
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Characterization of a gene conferring resistance to U.S. Russian wheat aphid biotypes in the Iranian wheat landrace PI 625139
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Characterization of quantitative trait loci for leaf rust resistance from CI 13227 in three winter wheat populations
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Zhao, L., Lu, Y., Zhang, X., Zhao, W., Xu, X., Wang, H., Zhang, G., Fritz, A., Fellers, J.P., Guttieri, M.J., Jordan, K., Bai, G. 2024. Characterization of quantitative trait loci for leaf rust resistance from CI 13227 in three winter wheat populations. Journal of Phytopathology. phyto-03-24-0108-r. https://doi.org/10.1094/PHYTO-03-24-0108-R.
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Characterization of a new greenbug resistance gene Gb9 in a synthetic hexaploid wheat
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Xu, X., Li, G., Bai, G., Bian, R., Bernardo, A.E., Watira, T.W., Carver, B.F., Wu, Y., Elliott, N.C. 2024. Characterization of a new greenbug resistance gene Gb9 in a synthetic hexaploid wheat. Theoretical and Applied Genetics. 137. Article 140. https://doi.org/10.1007/s00122-024-04650-9.
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Characterization of quantitative trait loci for leaf rust resistance in the Uzbekistani wheat landrace Teremai Bugdai
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Xu, X., Li, G., Bai, G., Bian, R., Bernardo, A.E., Kolmer, J.A., Carver, B.F., Wolabu, T.W., Wu, Y. 2024. Characterization of quantitative trait loci for leaf rust resistance in the Uzbekistani wheat landrace Teremai Bugdai. Phytopathology. 114:1373-1379. https://doi.org/10.1094/PHYTO-09-23-0320-R.
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Identification of a new Rsg1 allele conferring resistance to multiple greenbug biotypes from barley accessions PI 499276 and PI 566459
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Xu, X., Mornhinweg, D.W., Bai, G., Li, G., Bian, R., Bernardo, A.E., Armstrong, J.S. 2023. Identification of a new Rsg1 allele conferring resistance to multiple greenbug biotypes from barley accessions PI 499276 and PI 566459. The Plant Genome. https://doi.org/10.1002/tpg2.20418.
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Identification of bird-cherry oat aphid and greenbug resistance sources from Ae. tauschii for wheat improvement
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Xu, X., Li, G., Lhamo, D., Carver, B.F., Wulff, B., Gu, Y.Q., Xu, S.S., Armstrong, J.S. 2023. Identification of bird-cherry oat aphid and greenbug resistance sources from Ae. tauschii for wheat improvement. Crop Science. 36(5):2913-2924. https://doi.org/10.1002/csc2.21042.
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Identification of a novel Pm65 allele conferring a wide spectrum of resistance to powdery mildew in wheat accession PI 351817
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Xu, X., Li, G., Cower, C., Bai, G., Carver, B.F., Bian, R., Bernardo, A. 2023. Identification of a novel Pm65 allele conferring a wide spectrum of resistance to powdery mildew in wheat accession PI 351817. Phytopathology. https://doi.org/10.1094/PHYTO-01-23-0032-R.
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Genomic location of Gb1, a unique gene conferring wheat resistance to greenbug biotype F
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Xu, X., Li, G., Bai, G., Carver, B.F., Bian, R., Bernardo, A.E., Armstrong, J.S. 2023. Genomic location of Gb1, a unique gene conferring wheat resistance to greenbug biotype F. The Crop Journal. https://doi.org/10.1016/j.cj.2023.02.002.
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Characterization of Rsg3, a novel greenbug resistance gene from the Chinese barley landrace PI 565657
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Xu, X., Mornhinweg, D.W., Bai, G., Li, G., Bian, R., Bernardo, A.E., Armstrong, J.S. 2022. Characterization of Rsg3, a novel greenbug resistance gene from the Chinese barley landrace PI 565657. The Plant Genome. 16(1). Article e20287. https://doi.org/10.1002/tpg2.20287.
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Identification and characterization of the novel leaf rust resistance gene Lr81 in wheat
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Xu, X., Kolmer, J., Li, G., Tan, C., Carver, B.F., Bian, R., Bernardo, A., Bai, G. 2022. Identification and characterization of the novel leaf rust resistance gene Lr81 in wheat. Journal of Theoretical and Applied Genetics. Article 04145-5. https://doi.org/10.1007/s00122-022-04145-5.
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Characterization of Rsg2.a3: A new greenbug resistance allele at the Rsg2 locus from wild barley (Hordeum vulgare ssp. spontaneum)
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Xu, X., Mornhinweg, D., Bernardo, A., Li, G., Bian, R., Steffensen, B.J., Bai, G. 2022. Characterization of Rsg2.a3: A new greenbug resistance allele at the Rsg2 locus from wild barley (Hordeum vulgare ssp. spontaneum). The Crop Journal. https://doi.org/10.1016/j.cj.2022.01.010.
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Characterization of PmBN418, a wheat powdery mildew resistance gene on the rye 1RS chromosome arm
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Xu, X., Bai, G., Li, G., Cowger, C., Bernardo, A.E., Carver, B., St Amand, P.C., Bian, R. 2021. Characterization of PmBN418, a wheat powdery mildew resistance gene on the rye 1RS chromosome arm. Crop Science. 61(6):4194-4201. https://doi.org/10.1002/csc2.20637.
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Rsg1.a3: A new allele conferring unique resistance to greenbug biotype H at the Rsg1 locus in Hordeum vulgar ssp spontaneum
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Xu, X., Mornhinweg, D.W., Bai, G., Steffenson, B., Bian, R., Li, G., Bernardo, A. 2021. Rsg1.a3: A new allele conferring unique resistance to greenbug biotype H at the Rsg1 locus in Hordeum vulgar ssp spontaneum. Crop Science. 61:3578-3585. https://doi.org/10.1002/csc2.20581.
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Characterization of an incomplete leaf rust resistance gene and development of KASP markers for the leaf rust resistance gene Lr47 in wheat
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Xu, X., Li, G., Bai, G., Bernardo, A.E., Carver, B.F., St Amand, P.C., Bian, R. 2021. Characterization of an incomplete leaf rust resistance gene and development of KASP markers for the leaf rust resistance gene Lr47 in wheat. Phytopathology. https://doi.org/10.1094/PHYTO-07-20-0308-R.
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Development of KASP markers for wheat greenbug resistance gene Gb5
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Xu, X., Li, G., Bai, G., Bernardo, A., Carver, B.F., St Amand, P., Armstrong, S. 2020. Development of KASP markers for wheat greenbug resistance gene Gb5. Crop Science. 61(1):490–499. https://doi.org/10.1002/csc2.20339.
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The Hessian fly recessive resistance gene H4 mapped to chromosome 1A of the wheat cultivar ‘Java’ using genotyping-by-sequencing
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Niu, F., Xu, Y., Liu, X., Zhao, L., Bernardo, A.E., Yaoguang, L., Guixia, L., Chen, M., Cao, L., Hu, Z., Xu, X., Bai, G. 2020. The Hessian fly recessive resistance gene H4 mapped to chromosome 1A of the wheat cultivar ‘Java’ using genotyping-by-sequencing. Journal of Theoretical and Applied Genetics. https://doi.org/10.1007/s00122-020-03642-9.
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Identification of wheat germplasm resistant to major Russian wheat aphid biotypes in the United States
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Xu, X., Li, G., Carver, B.F., Puterka, G.J. 2020. Identification of wheat germplasm resistant to major Russian wheat aphid biotypes in the United States. Crop Science. 60(3):1428-1435. https://doi.org/10.1002/csc2.20041.
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Pest resistance discovery and introgression
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Xu, X. 2020. Pest resistance discovery and introgression. Agricultural Experiment Station Publication. 1058:12-18.
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Gb8, a new gene conferring resistance to economically important greenbug biotypes in wheat
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Xu, X., Li, G., Carver, B.F., Armstrong, J.S. 2020. Gb8, a new gene conferring resistance to economically important greenbug biotypes in wheat. Theoretical and Applied Genetics. 133:615-622. https://doi.org/10.1007/s00122-019-03491-1.
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Rapid identification of a novel wheat leaf rust resistance gene by selective genotyping of F2 plants using next-generation-sequencing
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Natural variation in lignin and pectin biosynthesis-related genes associated with switchgrass (Panicum virgatum L.) ecotype differentiation
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Bahri, B.A., Daverdin, G., Xu, X., Cheng, J., Barry, K.W., Brummer, E., Devos, K., Missaoui, A. 2020. Natural variation in lignin and pectin biosynthesis-related genes associated with switchgrass (Panicum virgatum L.) ecotype differentiation. BioEnergy Research. 13:79-99. https://doi.org/10.1007/s12155-020-10090-2.
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Mechanisms of resistance of new wheat gene Dn10 in comparison with other Dn genes resistant to Russian wheat aphid
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Puterka, G.J., Xu, X., Li, G., Carver, B.F., Guo, P. 2020. Mechanisms of resistance of new wheat gene Dn10 in comparison with other Dn genes resistant to Russian wheat aphid. Crop Science. 60:1782-1788. https://doi.org/10.1002/csc2.20051.
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Characterization of Pm65, a new powdery mildew resistance gene on chromosome 2AL of a facultative wheat cultivar
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Li, G., Cowger, C., Wang, X., Carver, B.F., Xu, X. 2019. Characterization of Pm65, a new powdery mildew resistance gene on chromosome 2AL of a facultative wheat cultivar. Theoretical and Applied Genetics. 132(9):2625-2632. https://doi.org/10.1007/s00122-019-03377-2.
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Identification of powdery mildew resistance loci in wheat by integrating genome-wide association study (GWAS) and linkage mapping
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Li, G., Xu, X., Tan, C., Carver, B.F., Bai, G., Wang, X., Bonman, J.M., Wu, Y., Hunger, R., Cowger, C. 2019. Identification of powdery mildew resistance loci in wheat by integrating genome-wide association study (GWAS) and linkage mapping. The Crop Journal. 7(3):294-306. https://doi.org/10.1016/j.cj.2019.01.005.
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Characterization of Pm63, a new powdery mildew resistance gene identified in Iranian landrace PI 628024
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Tan, C., Li, G., Cowger, C., Carver, B.F, Xu, X. 2019. Characterization of Pm63, a new powdery mildew resistance gene identified in Iranian landrace PI 628024. Journal of Theoretical and Applied Genetics. 132(4):1137-1144. https://doi.org/10.1007/s00122-018-3265-5.
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Pest resistance - discovery and introgression
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Xu, X. 2019. Pest resistance - discovery and introgression. In: Partners and Progress - Wheat Research at OSU, 2018. Oklahoma Agric. Exp. Station. P-1053, p. 13-15.
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Pm223899, a new recessive powdery mildew resistance gene identified in Afghanistan landrace PI 223899
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Li, G., Carver, B., Cowger, C., Bai, G., Xu, X. 2018. Pm223899, a new recessive powdery mildew resistance gene identified in Afghanistan landrace PI 223899. Theoretical and Applied Genetics. 131(12):2775-2783. https://doi.org/10.1007/s00122-018-3199-y.
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Characterization of Pm59, a novel powdery mildew resistance gene in Afghanistan wheat landrace PI 181356
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Tan, C., Li, G., Cowger, C., Carver, B.F., Xu, X. 2018. Characterization of Pm59, a novel powdery mildew resistance gene in Afghanistan wheat landrace PI 181356. Theoretical and Applied Genetics. 131(5):1145-1152. https://doi.org/10.1007/s00122-018-3067-9.
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Dn10, a new gene conferring resistance to Russian wheat aphid biotype 2 in Iranian wheat landrace PI 682675
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Li, G., Xu, X., Carver, B.F., Guo, P., Puterka, G.J. 2018. Dn10, a new gene conferring resistance to Russian wheat aphid biotype 2 in Iranian wheat landrace PI 682675. Crop Science. 58(3):1219-1225. https://doi.org/10.2135/cropsci2017.10.0649.
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Pest resistance discovery and introgression
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Xu, X. 2018. Pest resistance discovery and introgression. In: Partners and Progress - Wheat Research at OSU, 2017. Oklahoma Agricultural Experiment Station. P-1050, p. 13-15.
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Genome-wide association analysis of powdery mildew resistance in U.S. winter wheat
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Liu, N., Lin, M., Xu, X., Bai, G. 2017. Genome-wide association analysis of powdery mildew resistance in U.S. winter wheat. Scientific Reports. 7:11743. https://doi.org/10.1038/s41598-017-11230-z.
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Natural variation in genes potentially involved in plant architecture and adaptation in switchgrass (Panicum virgatum L.)
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Bahri, B.A., Daverdin, G., Xu, X., Cheng, J., Barry, K.W., Brummer, C.E., Devos, K.M. 2018. Natural variation in genes potentially involved in plant architecture and adaptation in switchgrass (Panicum virgatum L.). BMC Evolutionary Biology. 18:91 20 p. https://doi.org/10.1186/s12862-018-1193-2.
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Quantitative trait loci for slow-rusting resistance to leaf rust in doubled-haploid wheat population CI13227 × Lakin
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Lu, Y., Bowden, R.L., Zhang, G., Xu, X., Fritz, A., Bai, G. 2017. Quantitative trait loci for slow-rusting resistance to leaf rust in doubled-haploid wheat population CI13227 × Lakin. Journal of Phytopathology. https://doi.org/10.1094/PHYTO-09-16-0347-R.
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Development and validation of KASP markers for the greenbug resistance gene Gb7 and the Hessian fly resistance gene H32 in wheat
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Tan, C., Yu, H., Yang, Y., Xu, X., Chen, M., Rudd, J.C., Xue, Q., Ibrahim, A., Garza, L., Wang, S., Sorrells, M.E., Liu, S. 2017. Development and validation of KASP markers for the greenbug resistance gene Gb7 and the Hessian fly resistance gene H32 in wheat. Theoretical and Applied Genetics. 130(9):1867-1884.
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Novel sources of leaf rust resistance in winter wheat
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Li, G., Xu, X., Bai, G., Carver, B.F., Hunger, R.M., Bonman, J.M. 2017. Novel sources of leaf rust resistance in winter wheat. Crop Science. 57(2):865-876.
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Genome-wide association study reveals genetic architecture of coleoptile length in wheat
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Li, G., Bai, G., Carver, B.F., Elliott, N.C., Bennett, R.S., Wu, Y., Hunger, R., Bonman, J.M., Xu, X. 2017. Genome-wide association study reveals genetic architecture of coleoptile length in wheat. Theoretical and Applied Genetics. 130(2):391-401.
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Genome-wide association mapping reveals novel QTL for seedling leaf rust resistance in a worldwide collection of winter wheat
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Li, G., Xu, X., Bai, G., Carver, B.F., Hunger, R., Bonman, J.M., Kolmer, J.A., Dong, H. 2016. Genome-wide association mapping reveals novel QTL for seedling leaf rust resistance in a worldwide collection of winter wheat. The Plant Genome. 9(3):1-12. doi:10.3835/plantgenome2016.06.0051.
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Identification of novel powdery mildew resistance sources in wheat
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Li, G., Xu, X., Bai, G., Carver, B.F., Hunger, R.M., Bonman, J.M. 2016. Identification of novel powdery mildew resistance sources in wheat. Crop Science. 56(4):1817-1830.
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Whole-genome resequencing: changing the paradigms of SNP detection, molecular mapping and gene discovery
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Xu, X., Bai, G. 2015. Whole-genome resequencing: changing the paradigms of SNP detection, molecular mapping and gene discovery. Molecular Breeding. 35(1):33.
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Evaluation and reselection of wheat resistance to Russian wheat aphid biotype 2
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Xu, X., Bai, G., Carver, B.F., Zhan, K., Huang, Y., Mornhinweg, D.W. 2015. Evaluation and reselection of wheat resistance to Russian wheat aphid biotype 2. Crop Science. 55(2):695-701.
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Pinpointing genes underlying the quantitative trait loci for root-knot nematode resistance in palaeopolyploid soybean by whole genome resequencing
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Xu, X., Zeng, L., Tao, Y., Vuong, T., Wan, J., Boerma, R., Noe, J., Li, Z., Finnerty, S., Pathan, S.M., Shannon, G., Nguyen, H.T. 2013. Pinpointing genes underlying the quantitative trait loci for root-knot nematode resistance in palaeopolyploid soybean by whole genome resequencing. Proceedings of the National Academy of Sciences. 110(33):13469-13474.
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