A5040759857- Wheat and Barley Genetics and Pathology
- Plant Disease Resistance and Genetics
- Genetic Mapping and Diversity in Plants and Animals
- Chromosomal and Genetic Variations
- Genetics and Plant Breeding
- Selenium in Biological Systems
- Yeasts and Rust Fungi Studies
- Plant Micronutrient Interactions and Effects
- Plant Stress Responses and Tolerance
- Crop Yield and Soil Fertility
- Plant Pathogens and Resistance
- Bioenergy crop production and management
- Plant tissue culture and regeneration
- Phytase and its Applications
- Mycotoxins in Agriculture and Food
- Plant Genetic and Mutation Studies
- Plant Pathogens and Fungal Diseases
- Aluminum toxicity and tolerance in plants and animals
- Plant nutrient uptake and metabolism
- Plant-Microbe Interactions and Immunity
- Plant Gene Expression Analysis
- Phytochemicals and Antioxidant Activities
- Agriculture, Plant Science, Crop Management
- Food composition and properties
- Plant pathogens and resistance mechanisms
Sichuan Agricultural University
2016-2025
State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation
2023
Xinjiang Institute of Ecology and Geography
2018
Chinese Academy of Sciences
2018
Nascent allohexaploid wheat may represent the initial genetic state of common (Triticum aestivum), which arose as a hybrid between Triticum turgidum (AABB) and Aegilops tauschii (DD) by chromosome doubling outcompeted its parents in growth vigor adaptability. To better understand molecular basis for this success, we performed mRNA small RNA transcriptome analyses nascent following generations, their progenitors, natural cultivar Chinese Spring, with assistance recently published A D genome...
Abstract Wheat stripe rust, caused by Puccinia striiformis f. sp. tritici ( Pst ), is a global threat to wheat production. Aegilops tauschii , one of the progenitors, carries YrAS2388 locus for resistance on chromosome 4DS. We reveal that encodes typical nucleotide oligomerization domain-like receptor (NLR). The -resistant allele YrAS2388R has duplicated 3’ untranslated regions and characterized alternative splicing in nucleotide-binding domain. Mutation disrupts its synthetic hexaploid...
Summary Pre‐harvest sprouting (PHS), the germination of grain before harvest, is a serious problem resulting in wheat yield and quality losses. Here, we mapped PHS resistance gene PHS‐3D from synthetic hexaploid to 2.4 Mb presence–absence variation (PAV) region found that its effect was attributed pleiotropic Myb10‐D by integrated omics functional analyses. Three haplotypes were detected this PAV among 262 worldwide lines 16 Aegilops tauschii , percentages containing approximately 40% lower...
Powdery mildew, caused by the fungus Blumeria graminis f. sp. tritici, represents a yield constraint in many parts of world. Here, introduction resistance gene carried cereal rye cv. Qinling chromosome 6R was transferred into wheat form spontaneous balanced translocation induced plants doubly monosomic for chromosomes and 6A. The translocation, along with other structural variants, detected using situ hybridization genetic markers. differential disease response harboring various fragments...
Aegiliops tauschii is classified into two subspecies: Ae. ssp. and strangulata. Novel genetic variations exist in that can be utilized wheat improvement. We synthesized a hexaploid genotype (SHW-L1) by crossing an accession (AS60) with tetraploid (AS2255). A population consisting of 171 F8 recombinant inbred lines was developed from SHW-L1 Chuanmai 32 to identify QTLs associated agronomic traits. new map high density constructed used detect the for heading date, kernel width, spike length,...
Wild relatives have substantial impacts on the resistance of wheat to biotic and abiotic stresses. The genetic diversity these wild varieties can be employed widen gene pool by introducing allele introgression genome structure variations. powdery mildew Pm13 was derived from relative species Aegilops longissima (S1S1, 2n = 2x 14) transferred into chromosome 3BS over 30 years. Until recently, it has not been widely used in breeding, possibly because linkage drag associated with or poor alien...
Aegilops tauschii is the donor of bread wheat D genome. Based on spike morphology, taxon has conventionally been subdivided into ssp. and strangulata. The present study was intended to address poor match between this whole plant morphology-based subdivision genetic relationships inferred from genotyping by fluorescence in situ hybridization karyotyping a set 31 Ae. accessions.The distribution sites hybridizing two probes oligo-pTa-535 (CTT)10 split accessions clades, designated Dt Ds, which...
The formation of an allopolyploid is a two step process, comprising initial wide hybridization event, which later followed by whole genome doubling. Both processes can affect the transcription homoeologues. Here, RNA-Seq was used to obtain genome-wide leaf transcriptome independent Triticum turgidum × Aegilops tauschii allotriploids (F1), along with their spontaneous allohexaploids (S1) and parental lines. resulting sequence data were then characterize variation in homoeologue transcript...
The common wheat landrace Chinese Spring (CS) was made famous by the work of Ernie Sears, a great cytogenetist, who developed number CS-based aneuploid series that were used to identify individual chromosomes. Based on this, standard karyotype and nomenclature system for chromosomes allowed researchers analyze manipulate genome with unprecedented precision efficiency. Nevertheless, not much is known about utilization CS at its hometown, Chengdu in Sichuan province, during early breeding...
Ongoing efforts to improve sheep reference genome assemblies still leave many gaps and incomplete regions, resulting in a few common failures errors genomic studies. Here, we report complete, gap-free telomere-to-telomere (T2T) of ram (T2T-sheep1.0) with size 2.85 Gb, including all autosomes chromosomes X Y. It adds 220.05 Mb previously unresolved regions (PURs) 754 new genes the most updated assembly, ARS-UI_Ramb_v3.0, contains four types repeat units (SatI, SatII, SatIII, CenY) centromeric...
The ph-like genes in the Chinese common wheat landrace Kaixian-luohanmai (KL) induce homoeologous pairing hybrids with alien species. In present study, meiotic phenotypic differences on chromosome at metaphase I between of genotypes Spring ph1b (CSph1b) and KL rye were studied by genomic situ hybridization (GISH). frequency wheat–wheat associations was higher CSph1b × than rye. However, frequencies wheat–rye rye–rye These may be result different mechanisms control gene(s) controlling CSph1b....
Aegilops variabilis (UUSvSv), an important sources for wheat improvement, originated from chromosome doubling of a natural hybrid between Ae. umbellulata (UU) with longissima (SlSl). The karyotype was poorly characterized by fluorescent in situ hybridization (FISH). FISH probe combination pSc119.2, pTa71 and pTa-713 identified each the 14 pairs chromosomes. Our ideogram further used to detect carrying stripe rust resistance background lines developed crosses susceptible bread cultivar Yiyuan...
Stripe rust, caused by Puccinia striiformis f. sp. tritici, is one of the most destructive diseases in wheat production. Pyramiding adult-plant resistance (APR) genes a promising strategy to increase durability resistance. The stripe rust (R) Yr18, Yr28, and Yr36 encode different protein families which confer partial broad array P. tritici races. Here, we developed BC 3 F 5 lines representing all possible combinations genetic background highly tritici-susceptible line SY95-71 that widely...
Meiotic nonreduction resulting in unreduced gametes is thought to be the predominant mechanism underlying allopolyploid formation plants. Until now, however, its genetic base was largely unknown. The allohexaploid crop common wheat (Triticum aestivum L.), which originated from hybrids of T. turgidum L. with Aegilops tauschii Cosson, provides a model address this issue. Our observations meiosis pollen mother cells turgidum×Ae. indicated that first division restitution, exhibited prolonged...