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Xinyao He

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Xinyao He
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Xinyao He

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Now showing 1 - 10 of 14
  • Novel resistance loci for quantitative resistance to Septoria tritici blotch in Asian wheat (Triticum aestivum) via genome-wide association study
    (BioMed Central Ltd, 2024) Patial, M.; Sudhir Navathe; Xinyao He; Kamble, U.; Kumar, M.; Joshi, A.K.; Singh, P.K.
    Publication
  • Genetic sources and loci for Fusarium head blight resistance in bread wheat
    (Frontiers Media, 2022) Lei Wu; Xinyao He; Yi He; Peng Jiang; Kaijie Xu; Xu Zhang; Singh, P.K.
    Publication
  • Identification of QTLs for spot blotch resistance in two bi-parental mapping populations of wheat
    (MDPI, 2021) Gahtyari, N.C.; Roy, C.; Xinyao He; Roy, K.K.; Reza, M.M.A.; Hakim M.A.; Malaker, P.K.; Joshi, A.K.; Singh, P.K.
    Publication
  • Dissecting quantitative trait loci for spot blotch resistance in South Asia using two wheat recombinant inbred line populations
    (Frontiers, 2021) Roy, C.; Gahtyari, N.C.; Xinyao He; Mishra, V.K.; Chand, R.; Joshi, A.K.; Singh, P.K.
    Publication
  • QTL mapping for field resistance to wheat blast in the Caninde#1/Alondra population
    (Springer, 2020) Xinyao He; Kabir, M.R.; Roy, K.K.; Anwar, M.B.; Kaijie Xu; Marza, F.; Odilbekov, F.; Chawade, A.; Duveiller, E.; Huttner, E.; Singh, P.K.
    Publication
  • A wheat chromosome 5AL region confers seedling resistance to both tan spot and Septoria nodorum blotch in two mapping populations
    (Elsevier, 2019) Wenjing Hua; Xinyao He; Dreisigacker, S.; Sansaloni, C.; Juliana, P.; Singh, P.K.
    Tan spot (TS) and Septoria nodorum blotch (SNB), caused by Pyrenophora tritici-repentis and Parastagonospora nodorum, respectively, are important fungal leaf-spotting diseases of wheat that cause significant losses in grain yield. In this study, two recombinant inbred line populations, ‘Bartai’ × ‘Ciano T79’ (referred to as B × C) and ‘Cascabel’ × ‘Ciano T79’ (C × C) were tested for TS and SNB response in order to determine the genetic basis of seedling resistance. Genotyping was performed with the DArTseq genotyping-by-sequencing (GBS) platform. A chromosome region on 5AL conferred resistance to TS and SNB in both populations, but the effects were larger in B × C (R2 = 11.2%–16.8%) than in C × C (R2 = 2.5%–9.7%). Additionally, the chromosome region on 5BL (presumably Tsn1) was significant for both TS and SNB in B × C but not in C × C. Quantitative trait loci (QTL) with minor effects were identified on chromosomes 1B, 2A, 2B, 3A, 3B, 4D, 5A, 5B, 5D, 6B, and 6D. The two CIMMYT breeding lines ‘Bartai’ and ‘Cascabel’ contributed resistance alleles at both 5AL and 5BL QTL mentioned above. The QTL on 5AL showed linkage with the Vrn-A1 locus, whereas the vrn-A1 allele conferring lateness was associated with resistance to TS and SNB.
    Publication
  • QTL mapping and transcriptome analysis to identify differentially expressed genes induced by Septoria tritici blotch disease of wheat
    (MDPI, 2019) Odilbekov, F.; Xinyao He; Armoniené, R.; Saripella, G.V.; Henriksson, T.; Singh, P.K.; Chawade, A.
    Resistance to Septoria tritici blotch (STB) is an economically important trait in many wheat-breeding programs across the world. Several quantitative trait loci (QTL) for STB resistance were identified in wheat but due to the dynamic pathogen population it is necessary to continuously identify new resistance genes/QTL and determine the underlying resistance mechanism. In this work, we integrated QTL mapping and transcriptome profiling to identify candidate genes underlying QTL associated with STB resistance in bread wheat at the seedling stage. The results revealed four QTL on chromosomes 1BS, 1BL, 3AS and 3DL for STB resistance. Among these, two QTL on 2BL and 3DL were mapped for chlorosis, necrosis and pycnidia while the other two on 1BS and 3AS were associated with necrosis and pycnidia. Among the four identified QTL, genes were identified in three QTL (1BS, 2BL and 3DL). In total, 238 differentially expressed genes (DEGs) were localized in 1BS, 16 DEGs in 2BL and 80 DEGs in 3DL QTL region respectively. F-box protein, NBS-LRR disease resistance genes and receptor-like protein kinase were the most over-represented. The results emphasize the importance of integrating QTL and transcriptome analysis to accelerate the identification of key genes underlying the traits of interest.
    Publication
  • Genetics for low correlation between Fusarium head blight disease and deoxynivalenol (DON) content in a bread wheat mapping population
    (Springer, 2019) Xinyao He; Dreisigacker, S.; Singh, R.P.; Singh, P.K.
    Key message: Two QTL with major effects on DON content reduction were identified on chromosomes 3BL and 3DL, with the former showing minor and the latter showing no effects on FHB resistance. Abstract: Deoxynivalenol (DON) contamination in food and feed is a major concern regarding Fusarium head blight (FHB) infection in wheat. However, relatively less attention has been paid on DON compared to FHB. In this study, a FHB-susceptible cultivar ‘NASMA’ was hybridized with a FHB-resistant CIMMYT breeding line ‘IAS20*5/H567.71’ to generate 197 recombinant inbred lines. The population was phenotyped for FHB and associated traits including DON accumulation in spray-inoculated field experiments at CIMMYT-Mexico across four years. Genotyping was performed by using the Illumina Infinium 15 K Beadchip and SSR markers. QTL mapping results indicated that the field FHB resistance was mainly controlled by QTL at Rht-D1 and Vrn-A1, along with a few minor QTL. For DON content, two major QTL were identified: the first located on chromosome 3BL (R2 of 16–24%), showing minor effects on FHB, and the second was on chromosome 3DL (R2 of 10–15%), exhibiting no effect on FHB resistance. It is likely that both DON QTL are new based on comparison with previous studies. This study indicates that resistance to DON accumulation and FHB disease could involve different genes, and the utilization of the two DON QTL in breeding could be helpful in further reducing DON contamination in food and feed.
    Publication
  • Investigation and genome-wide association study for Fusarium crown rot resistance in Chinese common wheat
    (BioMed Central, 2019) Xia Yang; Yubo Pan; Singh, P.K.; Xinyao He; Yan Ren; Lei Zhao; Ning Zhang; Cheng Shun-He; Feng Chen
    Fusarium crown rot (FCR) is a severe and chronic disease in common wheat and is able to cause serious yield loss and health problems to human and livestock. Here, 234 Chinese wheat cultivars were evaluated in four greenhouse experiments for FCR resistance and genome-wide association studies (GWAS) were performed using the wheat 660 K genotyping assay. The results indicated that most cultivars evaluated showed FCR disease index (DI) of 40–60, while some cultivars showed stably good FCR resistance (DI < 30). GWAS identified 286 SNPs to be significantly associated with FCR resistance, of which 266, 6 and 8 were distributed on chromosomes 6A, 6B and 6D, respectively. The significant SNPs on 6A were located in a 7.0-Mb region containing 51 annotated genes. On the other hand, QTL mapping using a bi-parental population derived from UC1110 and PI610750 detected three QTLs on chromosomes 6A (explaining 7.77–10.17% of phenotypic variation), 2D (7.15–9.29%) and 2A (5.24–6.92%). The 6A QTL in the UC1110/PI610750 population falls into the same chromosomal region as those detected from GWAS, demonstrating its importance in Chinese materials for FCR resistance. This study could provide useful information for utilization of FCR-resistant wheat germplasm and further understanding of molecular and genetics basis of FCR resistance in common wheat.
    Publication
  • Characterization of DON resistance QTL on 3BL and 3DL in a wheat mapping population
    (CIMMYT, 2018) Xinyao He; Dreisigacker, S.; Singh, P.K.
    Publication