Research Project: Genetic Mechanisms and Improvement of Insect Resistance in Wheat, Barley, and Sorghum

Location: Peanut and Small Grains Research Unit

Publications (Clicking on the reprint icon will take you to the publication reprint.)

Identification of a new Rsg1 allele conferring resistance to multiple greenbug biotypes from barley accessions PI 499276 and PI 566459 - (Peer Reviewed Journal)
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.

Analysis of transcriptome profiles revealed that aphid attack triggered dynamic defense responses in sorghum plant - (Peer Reviewed Journal)
Huang, Y., Huang, J. 2023. Analysis of transcriptome profiles revealed that aphid attack triggered dynamic defense responses in sorghum plant. Frontiers in Genetics. https://doi.org/10.3389/fgene.2023.1194273.

Identification of bird-cherry oat aphid and greenbug resistance sources from Ae. tauschii for wheat improvement - (Peer Reviewed Journal)
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. https://doi.org/10.1002/csc2.21042.

Identification of a novel Pm65 allele conferring a wide spectrum of resistance to powdery mildew in wheat accession PI 351817 - (Peer Reviewed Journal)
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.

Resistance to bird cherry-oat aphid, Rhopalosiphum padi (L.), in barley, Hordeum vulgare (L.) - (Peer Reviewed Journal)
Mornhinweg, D.W., Armstrong, J.S. 2023. Resistance to bird cherry-oat aphid, Rhopalosiphum padi (L.), in barley, Hordeum vulgare (L.). Southwestern Entomologist. 48(1):75-82. https://doi.org/10.3958/059.048.0107.

Genomic location of Gb1, a unique gene conferring wheat resistance to greenbug biotype F - (Peer Reviewed Journal)
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.

Revealing differential expression of phytohormones in sorghum in response to aphid attack using the metabolomics approach - (Peer Reviewed Journal)
Huang, J., Shrestha, K., Huang, Y. 2022. Revealing differential expression of phytohormones in sorghum in response to aphid attack using the metabolomics approach. International Journal of Molecular Sciences. 23. Article 13782. https://doi.org/10.3390/ijms232213782.

Characterization of Rsg3, a novel greenbug resistance gene from the Chinese barley landrace PI 565657 - (Peer Reviewed Journal)
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.

Identification and characterization of the novel leaf rust resistance gene Lr81 in wheat - (Peer Reviewed Journal)
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.

Registration of 'USDA Fortress' winter feed barley with multiple aphid resistance - (Peer Reviewed Journal)
Mornhinweg, D.W., Carver, B.F., Springer, T. 2022. Registration of 'USDA Fortress' winter feed barley with multiple aphid resistance. Journal of Plant Registrations. Article 20241. https://doi.org/10.1002/plr2.20241.

Genome-wide characterization of the sorghum JAZ gene family and their responses to phytohormone treatments and aphid infestation - (Peer Reviewed Journal)
Shrestha, K., Huang, Y. 2022. Genome-wide characterization of the sorghum JAZ gene family and their responses to phytohormone treatments and aphid infestation. Scientific Reports. 12. Article 3238. https://doi.org/10.1038/s41598-022-07181-9.

Characterization of Rsg2.a3: A new greenbug resistance allele at the Rsg2 locus from wild barley (Hordeum vulgare ssp. spontaneum) - (Peer Reviewed Journal)
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.

Identification and characterization of plant resistance genes (R genes) in sorghum and their involvement in plant defense against aphids - (Peer Reviewed Journal)
Zhang, H., Huang, J., Huang, Y. 2022. Identification and characterization of plant resistance genes (R genes) in sorghum and their involvement in plant defense against aphids. Plant Growth Regulation. 96:443-461. https://doi.org/10.1007/s10725-022-00797-x.

Identification and characterization of the sorghum JAZ gene and their roles in plant defense - (Abstract Only)

Characterization of PmBN418, a wheat powdery mildew resistance gene on the rye 1RS chromosome arm - (Peer Reviewed Journal)
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.

Genome-wide identification and classification of the Lipoxygenase gene family and their roles in sorghum-aphid interaction - (Peer Reviewed Journal)
Shrestha, K., Pant, S.R., Huang, Y. 2021. Genome-wide identification and classification of the Lipoxygenase gene family and their roles in sorghum-aphid interaction. Plant Molecular Biology. https://doi.org/10.1007/s11103-020-01107-7.

Elevated production of reactive oxygen species is related to host plant resistance to sugarcane aphid in sorghum - (Peer Reviewed Journal)
Pant, S.R., Huang, Y. 2020. Elevated production of reactive oxygen species is related to host plant resistance to sugarcane aphid in sorghum. Plant Signaling and Behavior. http://doi.org/10.1080/15592324.2020.1849523.

Characterization of an incomplete leaf rust resistance gene and development of KASP markers for the leaf rust resistance gene Lr47 in wheat - (Peer Reviewed Journal)
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.

Development of KASP markers for wheat greenbug resistance gene Gb5 - (Peer Reviewed Journal)
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.

Simple and efficient genetic transformation of sorghum using immature inflorescences - (Peer Reviewed Journal)
Chou, J., Huang, J., Huang, Y. 2020. Simple and efficient genetic transformation of sorghum using immature inflorescences. Acta Physiologiae Plantarum. 42:41. https://doi.org/10.1007/s11738-020-3023-6.

Identification of wheat germplasm resistant to major Russian wheat aphid biotypes in the United States - (Peer Reviewed Journal)
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.

Pest resistance discovery and introgression - (Experiment Station)
Xu, X. 2020. Pest resistance discovery and introgression. Agricultural Experiment Station Publication. 1058:12-18.

Gb8, a new gene conferring resistance to economically important greenbug biotypes in wheat - (Peer Reviewed Journal)
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.

Identification of differentially expressed proteins involved in plant resistance to Aphid - (Abstract Only)
Huang, J., Huang, Y. 2020. Identification of differentially expressed proteins involved in plant resistance to Aphid. [Abstract}. Plant & Animal Genome Conference XXVIII. Poster No. PO0039. Available:https://pag.confex.com/pag/xxviii/meetingapp.cgi/Paper/40796

Natural variation in lignin and pectin biosynthesis-related genes associated with switchgrass (Panicum virgatum L.) ecotype differentiation - (Peer Reviewed Journal)
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.

Genomic analysis of host plant resistance to sugarcane aphid in sorghum - (Abstract Only)

Characterization of Pm65, a new powdery mildew resistance gene on chromosome 2AL of a facultative wheat cultivar - (Peer Reviewed Journal)
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.

Identification of powdery mildew resistance loci in wheat by integrating genome-wide association study (GWAS) and linkage mapping - (Peer Reviewed Journal)
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.

Omics approaches to plant genetics and crop improvement - (Abstract Only)
Huang, Y., Huang, J. 2019. Omics approaches to plant genetics and crop improvement. Meeting Abstract. p. 84.

Characterization of Pm63, a new powdery mildew resistance gene identified in Iranian landrace PI 628024 - (Peer Reviewed Journal)
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.

Pest resistance - discovery and introgression - (Experiment Station)
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.

Pm223899, a new recessive powdery mildew resistance gene identified in Afghanistan landrace PI 223899 - (Peer Reviewed Journal)
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.

Pest resistance discovery and introgression - (Experiment Station)
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.