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Journal of Integrative Agriculture 2018年第5期17卷 1066-1073页

作者： ZHANG Xiao ZHANG Bo-qiao WU Hong-ya LU Cheng-bin Lü Guo-feng LIU Da-tong LI Man JIANG Wei SONG Gui-hua GAO De-rong key laboratory of wheat biology and genetic improvement for low and middle yangtze River valley wheat Region Ministry of Agriculture/Yangzhou Academy of Agricultural Sciences

High-molecular-weight glutenin subunits（HMW-GSs） play a critical role in determining the viscoelastic properties of wheat dough. The HMW-GSs are encoded by Glu-A1, Glu-B1, and Glu-D1 loci on the long arms of chromosomes 1A, 1B, and 1D, respectively. In the present study, four near-isogenic lines with different HMW-GS deletions and compositions at the Glu-A1 and Glu-D1 loci in Yangmai 18 background were used for quality analysis. Deletion in Glu-D1 showed much weaker gluten quality and dough strength than null Glu-A1 genotype and wild genotype（WT）, based on the measurements of sodium dodecyl sulfate（SDS）-sedimentation, lactic acid solvent retention capacity（SRC）, gluten index, development time, stability time, and alveograph P and L values. The deletion of Glu-D1 did not significantly affect grain hardness, grain protein content, water SRC, sodium carbonate SRC, and sucrose SRC. Double null genotype in Glu-A1 and Glu-D1 and single null genotype in Glu-D1 showed significantly higher cookie diameter, crispness, and lower cookie height compared with single null genotype in Glu-A1 and WT. These indicate that the null Glu-D1 genotype is useful for improvement of biscuit quality, and use of this germplasm would be a viable strategy to develop new wheat varieties for biscuit processing.

关键词： wheat HMW-GS deletion near-isogenic lines cookie quality

Influence of high-molecular-weight glutenin subunit deletions at the Glu-A1 and Glu-D1 loci on protein body development, protein components and dough properties of wheat(Triticum aestivum L.)

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Journal of Integrative Agriculture 2022年第7期21卷 1867-1876页

作者： LIU Da-tong ZHANG Xiao JIANG Wei LI Man WU Xu-jiang GAO De-rong BIE Tong-de LU Cheng-bin key laboratory of wheat biology and genetic improvement for low&middle yangtze valley Ministry of Agriculture and Rural Affairs/Lixiahe Institute of Agricultural Sciences of JiangsuYangzhou 225007P.R.China

High-molecular-weight glutenin subunits(HMW-GSs) play a critical role in determining the viscoelastic properties of wheat. As the organelle where proteins are stored, the development of protein bodies(PBs) reflects the status of protein synthesis and also affects grain quality to a great extent. In this study, with special materials of four near-isogenic lines in a Yangmai 18 background we created, the effects of Glu-A1 and Glu-D1 loci deletions on the development and morphological properties of the protein body, protein components and dough properties were investigated. The results showed that the deletion of the HMW-GS subunit delayed the development process of the PBs, and slowed the increases of volume and area of PBs from 10 days after anthesis(DAA) onwards. In contrast, the areas of PBs at 25 DAA, the middle or late stage of endosperm development, showed no distinguishable differences among the four lines. Compared to the wild type and single null type in Glu-A1, the ratios of HMW-GSs to low-molecular-weight glutenin subunits(LMW-GSs), glutenin macropolymer(GMP) content, mixograph parameters as well as extension parameters decreased in the single null type in Glu-D1 and double null type in Glu-A1 and Glu-D1, while the ratios of gliadins(Gli)/glutenins(Glu) in those types increased. The absence of Glu-D1 subunits decreased both dough strength and extensibility significantly compared to the Glu-A1 deletion type. These results provide a detailed description of the effect of HMW-GS deletion on PBs, protein traits and dough properties, and contribute to the utilization of Glu-D1 deletion germplasm in weak gluten wheat improvement for use in cookies, cakes and southern steamed bread in China and liquor processing.

关键词： wheat near-isogenic lines HMW-GS deletion protein body dough property

A wheat chromosome 5AL region confers seedling resistance to both tan spot and Septoria nodorum blotch in two mapping populations

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The Crop Journal 2019年第6期7卷 809-818页

作者： Wenjing Hu Xinyao He Susanne Dreisigacker Carolina P.Sansaloni Philomin Juliana Pawan K.Singh key laboratory of wheat biology and genetic improvement for low&middle yangtze valley Ministry of AgricultureLixiahe Region Institute of Agricultural Sciences of Jiangsu ProvinceYangzhou 225007JiangsuChina International Maize and wheat improvement Center(CIMMYT) Apdo.Postal 6-64a06600 Mexico D.F.Mexico

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 DAr Tseq genotypingby-sequencing(GBS) platform. A chromosome region on 5 AL conferred resistance to TS and SNB in both populations, but the effects were larger in B × C(R^2= 11.2%–16.8%) than in C × C(R^2= 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.

关键词： Parastagonospora nodorum Pyrenophora tritici-repentis QTL mapping Resistance breeding Triticum aestivum

Identification of a pleiotropic QTL cluster for Fusarium head blight resistance,spikelet compactness,grain number per spike and thousand-grain weight in common wheat

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The Crop Journal 2023年第2期11卷 672-677页

作者： Wenjing Hu Derong Gao Sen Liao Shunhe Cheng Jizeng Jia Weigang Xu key laboratory of wheat biology and genetic improvement for low&middle yangtze valley Ministry of Agriculture and Rural AffairsLixiahe Institute of Agricultural SciencesYangzhou 225007JiangsuChina Henan Agricultural University/Collaborative Innovation Center of Henan Grain Crops Zhengzhou 450002HenanChina Institute of Crop Sciences Chinese Academy of Agricultural SciencesBeijing 100081China Institute of Crop Molecular Breeding/National Engineering laboratory of wheat/key laboratory of wheat biology and genetic Breeding in Central Huanghuai Area/Ministry of Agriculture/Henan key laboratory of wheat Germplasm Resources Innovation and improvement Henan Academy of Agricultural SciencesZhengzhou 450002HenanChina

Simultaneously improving Fusarium head blight(FHB)resistance and grain yield is challenging in wheat *** correlations between spikelet compactness(SC),grain number per spike(GNS),thousandgrain weight(TGW)and FHB resistance remains unclear in common *** of major quantitative trait loci(QTL)conferring FHB resistance and yield components,and development of breeder-friendly markers for the QTL are prerequisites for marker-assisted selection(MAS).Here,a recombinant inbred line(RIL)population derived from a cross between a resistant cultivar Yangmai 12(YM12)and a susceptible cultivar Yanzhan 1(YZ1)was used to map QTL for FHB resistance and yield components.A total of 22 QTL were identified;among these,six are likely to be new for corresponding traits.A QTL cluster(***-2D)for FHB type II resistance,SC,GNS,and TGW was detected on chromosome ***-friendly kompetitive allele-specific PCR(KASP)markers flanking the interval of ***-2D were developed and validated in a diverse panel of 166 wheat cultivars and advanced *** YM12 alleles of ***-2D significantly increased FHB resistance,SC,and GNS but decreased TGW in the validation *** KASP markers developed for ***-2D have great potential for breeding high-yielding wheat cultivars with enhanced FHB resistance.

关键词： Fusarium graminearum KASP marker QTL cluster Triticum aestivum

TaCHP encoding C1-domain protein stably enhances wheat yield in saline-alkaline fields

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Journal of Integrative Plant biology 2024年第2期66卷 169-171页

作者： Guilian Xiao Minqin Wang Xiaomeng Li Zhengning Jiang Hongjian Zhang Derong Gao Boqiao Zhang Guangmin Xia Mengcheng Wang The key laboratory of Plant Development andEnvironment Adaptation biology Ministry of Education School of Life ScienceShandong UniversityQingdao 266237China key laboratory of wheat biology and geneticimprovement for low&middle yangtze valley Ministry ofAgriculture Lixiahe Agricultural Institute of Jiangsu ProvinceYangzhou 225007China

Salt and saline-alkaline stress seriously threaten crop production and food security worldwide(Yang and Guo,2018).Identifying genes that confer tolerance to these conditions without yield penalty would help mitigate this problem through molecular breeding(Liang et al.,2023;Sahu and Liu,2023).Although numerous stress-tolerance genes have been identified,their application potential in molecular breeding has rarely been confirmed through multi-year and multi-site field trials.

关键词： breeding fir alkaline

Pm21, Encoding a Typical CC-NBS-LRR Protein, Confers Broad-Spectrum Resistance to wheat Powdery Mildew Disease

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Molecular Plant 2018年第6期11卷 879-882页

作者： Huagang He Shanying Zhu Renhui Zhao Zhengning Jiang Yaoyong Ji Jian Ji Dan Qiu Hongjie Li Tongde Bie School of Food and Biological Engineering Jiangsu University Zhenjiang Jiangsu 212013 China School of Environment Jiangsu University Zhenjiang Jiangsu 2120131 China key laboratory of wheat biology and genetic improvement on low & middle yangtze River valley wheat Region (Ministry of Agriculture) Yangzhou Academy of Agricultural Sciences Yangzhou Jiangsu 225007 China National key Facility for Crop Gene Resources and genetic improvement (NFCRI) Institute of Crop Science Chinese Academy of Agricultural Sciences Beijing 100081 China

Dear Editor, Common wheat （Triticum aestivum, 2n = 6x = 42, AABBDD） is one of the most widely cultivated cereal crops, providing -20% of the calories consumed by humans （Fu et al., 2009）. However, wheat production is constantly challenged by powdery mildew disease, which occurs globally and is caused by the biotrophic fungal pathogen Blumena graminis f. sp. tritici （Bgt）. Utilization of powdery mildew resistance （Pm） genes is the most effective and economical way to control powdery mildew disease.

关键词： Pm21 疾病蛋白质小麦粉编码用途普通小麦小麦生产

Marker-assisted selection to pyramid Fusarium head blight resistance loci Fhb1 and Fhb2 in the high-quality soft wheat cultivar Yangmai 15

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Journal of Integrative Agriculture 2023年第2期22卷 360-370页

作者： HU Wen-jing FU Lu-ping GAO De-rong LI Dong-sheng LIAO Sen LU Cheng-bin key laboratory of wheat biology and genetic improvement for low&middle yangtze valley Ministry of Agriculture and Rural AffairsLixiahe Institute of Agricultural SciencesYangzhou 225007P.R.China College of Agronomy&Center for Crop Genome Engineering Henan Agricultural UniversityZhengzhou 45002P.R.China Jiangsu key laboratory of Crop genetics and Physiology/Jiangsu key laboratory of Crop Cultivation and Physiology/Agricultural College Yangzhou UniversityYangzhou 225009P.R.China Jiangsu Co-Innovation Center for Modern Production Technology of Grain Crops Yangzhou UniversityYangzhou 225009P.R.China College of Agriculture Yangtze UniversityJingzhou 434023P.R.China

Fusarium head blight(FHB)is one of the most detrimental wheat diseases which greatly decreases the yield and grain quality,especially in the middle and lower reaches of the yangtze River of ***1 and Fhb2 are two major resistance loci against Fusarium *** 15(YM15)is one of the most popular varieties in the middle and lower reaches of the yangtze River,and it has good weak gluten characters but poor resistance to *** we used Fhb1 and Fhb2 to improve the FHB resistance of YM15 by a molecular marker-assisted selection(MAS)backcrossing *** selection of agronomic traits was performed for each *** successfully selected seven introgressed lines which carry homozygous Fhb1 and Fhb2 with significantly higher FHB resistance than the recurrent parent *** of the introgressed lines had agronomic and quality characters that were similar to *** study demonstrates that the pyramiding of Fhb1 and Fhb2 could significantly improve the FHB resistance in wheat using the MAS approach.

关键词： Fusarium head blight marker-assisted selection Fhb1 Fhb2 resistance breeding wheat

Genomic analysis of isopentenyltransferase genes and functional characterization of TaIPT8 indicates positive effects of cytokinins on drought tolerance in wheat

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The Crop Journal 2023年第1期11卷 46-56页

作者： Na Wang Jun Chen Yuan Gao Yongbin Zhou Ming Chen Zhaoshi Xu Zhengwu Fang Youzhi Ma Hubei Collaborative Innovation Center for Grain Industry/College of Agriculture Yangtze UniversityJingzhou 434000HubeiChina Institute of Crop Sciences Chinese Academy of Agricultural Sciences/National Key Facility for Crop Gene Resources and Genetic ImprovementKey Laboratory of Biology and Genetic Improvement of Triticeae CropsMinistry of AgricultureBeijing 100081China

Cytokinins(CKs)function in plant development and during stress responses,but their role in drought tolerance in wheat is *** the present study,24 isopentenyltransferase(IPT)genes,encoding ratelimiting enzymes in CK biosynthesis were identified in the wheat *** chromosomal locations and structures of the genes,protein properties,and phylogenetic relationships were ***/ADP TaIPT genes showed tissue-specific ***2,TaIPT7,and TaIPT8 expression was rapidly induced by 0.5–1 h drought treatments,which decreased to low levels after 2 h drought treatment,as did most other TaIPT ***8-5a/5b/5d triple mutants showed decreased levels of tZtype CK under normal and drought conditions and reduced drought tolerance,which,however,did not manifest as phenotype *** contrast,transgenic wheat plants with drought-induced TaIPT8showed increased drought *** study provides a foundation for further investigation of TaIPT genes and novel insights into the role of CKs in the drought response of wheat.

关键词： TaIPT Phytohormone Abiotic stress Cytokinin biosynthesis wheat

Comparative proteomic analysis of cold responsive proteins in two wheat cultivars with different tolerance to spring radiation frost

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Frontiers of Agricultural Science and Engineering 2014年第1期1卷 30-38页

作者： Shujuan ZHANG Guoqi SONG Yulian LI Jie GAO Jiao WANG Guiju CHEN Haosheng LI Genying LI Zhendong ZHAO Crop Research Institute Shandong Academy of Agricultural SciencesKey Laboratory of Wheat Biology&Genetic Improvement on North Yellow&Huai River ValleyMinistry of Agriculture of the People Republic of ChinaNational Engineering Laboratory for Wheat&MaizeJinan 250100China

Spring radiation frost(SRF)is a severe environmental stress which impairs wheat yield and productivity *** better understand the mechanism of wheat(Triticum aestivum)responding to SRF,a comparative proteomic analysis was performed to analyze the changes of the key proteins in two wheat cultivars Jimai22 and Luyuan301 with high and low tolerance to SRF respectively.A total of 43 differentially expressed proteins(DEPs)which mainly involved in carbohydrate metabolism,amino acid metabolism,resistance proteins and antioxidant enzymes,photosynthesis and cellular respiration proteins,cell-wall related proteins,protein translation/processing/degradation and signal transduction were isolated and identified by two-dimensional electrophoresis and MALDI-TOF-TOF *** results revealed that of the 21 DEPs in Jimai22 responding to the SRF,13 DEPs were upregulated and 8 DEPs were downregulated,and that of the 22 DEPs in Luyuan301,9 DEPs were upregulated and 13 DEPs were *** DEPs might be responsible for the stronger cold resistance of Jimai22 compared to *** expression pattern and function analysis of these DEPs were very significant to understanding the mechanism of the SRF responses in wheat.

关键词： common wheat spring radiation frost proteomic analysis 2-DE MALDI-TOF-TOF MS

The induction and characterization of chromosome translocations with small segments of Haynaldia villosa using the CS ph1b mutant

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The induction and characterization of chromosome translocati...