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QTL mapping of qSCN3-1 for resistance to soybean cyst nematode in soybean line Zhongpin 03-5373

The crop Journal 2021年第2期9卷 351-359页

作者： Lei Yang Yu Tian Yulin Liu Jochen C.Reif Yinghui Li lijuan qiu The national key facility for crop gene resources and genetic improvement(NFCRI)/key Lab of Germplasm Utilization(MOA) Institute of Crop SciencesChinese Academy of Agricultural SciencesBeijing 100081China College of Forestry Northwest A&F UniversityYangling 712100ShaanxiChina Department of Breeding Research Leibniz Institute of Plant Genetics and Crop Plant Research(IPK)GaterslebenGermany

Soybean cyst nematode(SCN,heterodera glycines Ichinohe)is one of the most economically destructive *** soybean line Zhongpin03-5373(ZP),which combines resistance genes from several donors,is highly resistant to SCN race 3(SCN3).In our previous study,two QTL(rhg1 and GmSNAP11)were identified in a population of recombinant inbred lines derived from a cross between ZP and the susceptible parent Zhonghuang *** two QTL explained around one-third of the resistance,suggesting the presence of further QTL contributing to SCN *** the present study,we used an improved version of the geneticmap comprising the previously applied 1062 molecular markers and 47 newly developed InDel(insertion-deletion)*** improved map revealed a novel locus contributing to SCN3 resistance:qSCN3-1,flanked by InDelmarker InDel1-7 and SNPmarker Map-0047,explained 4.55%of the phenotypic variance for resistance to SCN3 and was not involved in digenic epistatic interaction with rhg1 and *** of Map-0047_CAPS(a CAPS marker developed for Map-0047)and InDel1-7 were significantly associated with SCN3 resistance in a panel of 209 resistant and susceptible *** further allele-combination analysis for three functional markers representing three cloned resistance genes(rhg1,Rhg4,andGmSNAP11)and twomarkers flanking qSCN3-1,we found that adding the resistance allele of qSCN3-1 greatly increased soybean resistance to SCN,even in diverse genetic *** qSCN3-1 locus will be useful for marker-assisted polygene pyramid breeding and should be targeted for the future identification of candidate genes.

关键词： Allelic combination InDel Pyramid Soybean cyst nematode

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The prevalence of deleterious mutations during the domestication and improvement of soybean

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The crop Journal 2023年第2期11卷 523-530页

作者： Shichao Sun Yumin Wang he wei David E.Hufnagel Ya Wang Shiyu Guo Yinghui Li Li Wang Li-juan qiu Shenzhen Branch Guangdong Laboratory for Lingnan Modern Agriculture/Genome Analysis Laboratory of the Ministry of Agriculture/agricultural Genomics institute at Shenzhen Chinese Academy of Agricultural SciencesShenzhen 518000GuangdongChina Soybean Research institute Jilin Academy of Agricultural SciencesChangchun 130033JilinChina henan academy of crops Molecular Breeding Henan Academy of Agricultural Sciences/National Centre for Plant BreedingZhengzhou 450002HenanChina Virus and Prion Research Unit National Animal Disease CenterThe Agricultural Research Service(ARS)of the United States Department of Agriculture(USDA)AmesIA 50010USA The national key facility for crop gene resources and genetic improvement(NFCRI)/key Laboratory of crop gene Resource and Germplasm Enhancement(MOA)/key Laboratory of Soybean Biology(beijing)(MOA) Institute of Crop SciencesChinese Academy of Agricultural SciencesBeijing 100081China Kunpeng institute of Modern Agriculture at Foshan Foshan 528200GuangdongChina

Soybean(Glycine max L.)is a protein and oil crop grown *** fitness may be reduced by deleterious mutations,whose identification and purging is desirable for crop *** the published whole-genome re-sequenced data of 2214 soybean accessions,including 221 wild soybean,1132 landrace cultivars and 861 improved soybean lines,we identified 115,275 deleterious single-nucleotide polymorphisms(SNPs).Numbers of deleterious alleles increased from wild soybeans to landraces and decreased from landraces to modern improved *** in selective-sweep regions showed fewer deleterious mutations than the remaining *** mutations explained 4.3%-48%more phenotypic variation than randomly selected SNPs for resistance to soybean cyst nematode race 2(SCN2),soybean cyst nematode race 3(SCN3)and soybean mosaic virus race 3(SMV3).These findings illustrate how mutation load has shifted during soybean domestication,expansion and improvement and provide candidate sites for breeding out deleterious mutations in soybean by genome editing and/or conventional breeding focused on the selection of progeny with fewer deleterious alleles.

关键词： Deleterious mutations Domestication cost Expansion load BAD_Mutations Soybean cyst nematode

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Genome-wide characterization of early response genes to abscisic acid coordinating multiple pathways in Aegilops tauschii

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The crop Journal 2021年第4期9卷 934-944页

作者： Yu wei Liangjing Cao Xucheng Huang Xuan Wang Huan Wang Yongchao Song Qiang he Mingjie Lyu Xinwen Hu Jun Liu national key facility for crop gene resources and genetic improvement Institute of Crop SciencesChinese Academy of Agricultural SciencesBeijing 100081China institute of Tropical Agriculture and Forestry Hainan UniversityHaikou 570228HainanChina Department of Biological sciences Xi’an Jiaotong-Liverpool UniversitySuzhou 215123JiangsuChina Biotechnology Research institute Chinese Academy of Agricultural SciencesBeijing 100081China

The diploid wild goat grass Aegilops tauschii(Ae. tauschii, 2 n = 14;DD), as the D-sub genome of common wheat, provides rich germplasm resources for many aspects of wheat breeding. Abscisic acid(ABA) is an essential phytohormone that plays a pivotal role in plant adaptation to abiotic stresses. However,the gene regulation network of Ae. tauschii in response to ABA stress remains unclear. here, we conducted a time-course strand-specific RNA-sequencing study to globally profile the transcriptome that responded to ABA treatment in Ae. tauschii. We identified 4818 differentially expressed transcription units/genes with time-point-specific induction/repression patterns. Using functional annotation, one-to-one ortholog and comparative transcriptome profiling analyses, we identified 319 ABA-responsive Ae. tauschii orthologs that were also induced/repressed under ABA treatment in hexaploid wheat. On the quantitative trait loci(QTL) used in wheat marker-assisted breeding, we found that the ABA-responsive expression patterns of eight Ae. tauschii orthologs were associated with drought stress tolerance, flowering process and/or grain quality. Of them, the ABA-responsive gene encoding sucrose:sucrose 1-fructosyltransferase in fructan and glucose metabolism pathways showed the most significant association with wheat drought tolerance. The characterization of ABA early-responsive genes in this study provides valuable information for exploring the molecular functions of the regulatory genes and will assist in wheat breeding.

关键词： Wheat Aegilops tauschii Transcriptome Abscisic acid Fructan

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Identification of genes for drought resistance and prediction of gene candidates in soybean seedlings based on linkage and association mapping

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The crop Journal 2022年第3期10卷 830-839页

作者： Yanjun Zhang Zhangxiong Liu Xingrong Wang Yue Li Yongsheng Li Zuowang Gou Xingzhen Zhao Huilong Hong Honglei Ren Xusheng Qi lijuan qiu institute of crop Gansu Academy of Agricultural SciencesLanzhou 730070GansuChina national key facility for gene resources and genetic improvement/key Laboratory of crop Germplasm Utilization Ministry of Agriculture/Institute of Crop SciencesChinese Academy of Agricultural SciencesBeijing 100081China Maize Research institute Heilongjiang Academy of Agricultural SciencesHarbin 150086HeilongjiangChina

Drought is one of the primary abiotic stress factors affecting the yield,growth,and development of *** extreme cases,drought can reduce yield by more than 50%.The seedling stage is an important determinant of soybean growth:the number and vigor of seedlings will affect growth and yield at ***,it is important to study the drought resistance of soybean *** this study,a recombinant inbred line(RIL)population comprising 234 F_(6:10)lines(derived from Zhonghuang35×Jindou 21)and a panel of 259 soybean accessions was subjected to drought conditions to identify the effects on phenotypic traits under these *** a genetic map constructed by single nucleotide polymorphism(SNPs)markers,18 quantitative trait loci(QTL)on 7 soybean chromosomes were identified in two *** included 9 QTL clusters identified in the RIL ***-three QTL were identified in 19 soybean chromosomes by genome-wide association analysis(GWAS)in the panel of accessions,including 69 significant SNPs(-log_(10)(P)≥3.97).A combination of the two populations revealed that two SNPs(-log_(10)(P)≥3.0)fell within two of the QTL(qPH7-4 and qPH7-6)confidence *** not only re-located several previously reported drought-resistance genes in soybean and other crops but also identified several non-synonymous stress-related mutation site differences between the two parents,involving Glyma.07 g093000,Glyma.07 g093200,Glyma.07 g094100 and Glyma.07 *** previously unreported new gene related to drought stress,Glyma.07 g094200,was found by regional association *** significant SNP CHR7-17619(G/T)was within an exon of the Glyma.07 g094200 *** the RIL population,the DSP value of the"T"allele of CHR7-17619 was significantly(Phe"G"allele in different *** results of our study lay the groundwork for cloning and molecular marker-assisted selection of droughtresistance genes in soybeans at the seedling stage.

关键词： Candidate genes Drought tolerance Glycine max QTL SNP

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Geographical distribution of GmTfl1 alleles in chinese soybean varieties

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The crop Journal 2015年第5期3卷 371-378页

作者： Guifeng Liu Lin Zhao Benjamin J.Averitt Ying Liu Bo Zhang Ruzhen Chang Yansong Ma Xiaoyan Luan Rongxia Guan lijuan qiu Soybean Research institute Northeast Agricultural University Department of crop and Soil Environmental sciences VA Polytechnic Institute and State University The national key facility for crop gene resources and genetic improvement (NFCRI) Institute of Crop ScienceChinese Academy of Agricultural Sciences heilongjiang academy of agricultural sciences

Stem growth habit is an important agronomic trait in soybean and is subject to artificial selection. This study aimed to provide a theory for genotypic selection of stem growth habit for breeding purposes by analyzing the alleles of Gm Tfl1 gene in chinese soybean varieties and establishing a database of Gm Tfl1 variation. Using knowledge of insertion and deletion(Indel) in the non-coding region and four single-nucleotide polymorphisms(SNPs) in the coding sequences of the Gm Tfl1 gene, four CAPS and one Indel markers were developed and used to test 1120 chinese soybean varieties. We found that the dominant Gm Tfl1 allele was prevalent in accessions from the Northern ecoregion, whereas the recessive allele, Gmtfl1, was more common in the Southern ecoregion, and the proportions of Gm Tfl1 and recessive alleles were respectively 40.1% and 59.9% in the Huang-Huai ecoregion. The proportion of Gm Tfl1 decreased and that of Gmtfl1 increased, gradually from north to south. Allele Gm Tfl1-a was present in higher proportions in the Huang-Huai spring, Huang-Huai summer, and Northern spring sub-ecoregions than that in the other sub-ecoregions. Gm Tfl1-b was common in the Northeast spring, Northern spring and Southern summer sub-ecoregions. Gmtfl1-ta was found mainly in the Huang-Huai spring,Huang-Huai summer and Southern spring sub-ecoregions. The Gmtfl1-ab allele was distributed in all six soybean sub-ecoregions. The Gmtfl1-bb allele was distributed mainly in the Huang-Huai spring and summer and Southern spring and summer sub-ecoregions,but the Gmtfl1-tb allele was detected only in the Huang-Huai summer sub-ecoregion. The distributions of Gm Tfl1 and Gmtfl1 have shown no large changes in nearly 60 years of breeding, but the frequency of the recessive genotype Gmtfl1 has shown a rising trend in the last 20 years. This study provides a theoretical foundation for breeding new soybean varieties for different ecoregions.

关键词： Soybean Stem growth habit Gm Tfl1 Distribution

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Identification of a novel seed size associated locus SW9-1 in soybean

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The crop Journal 2019年第4期7卷 548-559页

作者： Jiajia Li Jinghui Zhao Yinghui Li Yali Gao Sunan Hua Muhammad Nadeem Genlou Sun Wenming Zhang Jinfeng Hou Xiaobo Wang lijuan qiu School of Agronomy Anhui Agricultural University Hefei 230036 Anhui China The national key facility for crop gene resources and genetic improvement (NFCRI)/key Laboratory of crop gene Resource and Germplasm Enhancement (MOA) Institute of Crop Sciences Chinese Academy of Agricultural Sciences Beijing 100081 China Biology Department Saint Mary's University Halifax NS B3H 3C3 Canada College of Horticulture Anhui Agricultural University Hefei 230036 Anhui China

Seed size is one of the vital traits determining seed appearance, quality, and yield. Untangling the genetic mechanisms regulating soybean 100-seed weight (100-SW), seed length and seed width across environments may provide a theoretical basis for improving seed yield. However, there are few reports related to QTL mapping of 100-SW across multiple ecological regions. In this study, 21 loci associated with seed size traits were identified using a genome-wide association of 5361 single nucleotide polymorphisms (SNPs) across three ecoregions in china, which could explain 8.12%–14.25% of the phenotypic variance respectively. A new locus, named as SW9-1 on chromosome 9 that explained 10.05%–10.93% of the seed weight variance was found significantly related to seed size traits, and was not previously reported. The selection effect analysis showed that SW9-1 locus has a relatively high phenotypic effect (13.67) on 100-SW, with a greater contribution by the accessions with bigger seeds (3.69) than the accessions with small seeds (1.66). Increases in seed weight were accompanied by increases in the frequency of SW9-1T allele, with >90% of the bred varieties with a 100-SW >30 g carrying SW9-1T. Analysis of SW9-1 allelic variation in additional soybean accessions showed that SW9-1T allele accounting for 13.83% of the wild accessions, while in 46.55% and 51.57% of the landraces and bred accessions, respectively, this results indicating that the SW9-1 locus has been subjected to artificial selection during the early stages of soybean breeding, especially the utilization of SW9-1T in edamame for big seed. These results suggest that SW9-1 is a novel and reliable locus associated with seed size traits, and might have an important implication for increasing soybean seed weight in molecular design breeding. Cloning this locus in future may provide new insights into the genetic mechanisms underlying soybean seed size traits.

关键词： Soybean [Glycine max (L.) Merr.] Seed size/weight SW9-1 Molecular breeding

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genetic contribution of foreign germplasm to elite chinese soybean (Glycine max) cultivars revealed by SSR markers

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chinese science Bulletin 2006年第9期51卷 1078-1084页

作者： QIN Jun CheN weiyuan GUAN Rongxia JIANG Chengxi LI Yinghui FU Yashu LIU Zhangxiong ZHANG Mengchen CHANG Ruzhen qiu lijuan national key facility of crop gene resources and genetic improvement Key Lab of Crop Gerrnplasm Resources & Biotechology (MOA) Institute of Crop Science Chinese Agricultural Academy of Sciences Beijing 100081 China hebei academy of agricultural and Forestry science Shijiazhuang 050031 China heilongjiang academy of agricultural science Suihua 152052 China

Simple sequence repeats (SSR) marker analysis, combined with pedigree analysis, was car- ried out to trace the genetic constitutes of Suinong 14 and hefeng 25 in assessing the contribution of for- eign germplasm to those elite cultivars. The overall goal is to accumulate information for further effective utilization of foreign germplasm in chinese soybean breeding programs. SSR clustering results indicated that the genetic base of elite chinese soybean culti- vars, including Suinong 14 and hefeng 25, were broadened and enhanced via introduction of Amsoy from the U.S. and Shishengchangye from Japan. The pedigree analysis showed a very high coefficient of parentage between Shishengchangye and hefeng 25, between Shishengchangye and Suinong 14, and between Amsoy and Suinong 14. The genetic simi- larity between Suinong 14 and hefeng 25 was 60.58%. Among 20 linkage groups, more genomic regions were transferred from hefeng 25 to Suinong 14 in linkage group (LG) I, L and C2 than other LGs. Among the unique alleles of foreign parents, five specific loci in Amsoy were transferred to Suinong 14, and three loci from Shishengchangye to Suinong 14. Some SSR loci were proved to be correlated with phenotypes: two loci for seed size introgressed from Shishengchangye to Suinong 14, and one locus forprotein content from Amsoy to Suinong 14. These results indicate that the two foreign parents might have important contributions in the development of Suinong 14 and hefeng 25.

关键词：大豆谱系分析 SSR 序列分析种质资源

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The Blue-Light Receptor CRY1 Interacts with BZR1 and BIN2 to Modulate the Phosphorylation and Nuclear Function of BZR1 in Repressing BR Signaling in Arabidopsis

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Molecular Plant 2019年第5期12卷 689-703页

作者： Guanhua he Jie Liu Huixue Dong Jiaqiang Sun national key facility for crop gene resources and genetic improvement Institute of Crop SciencesChinese Academy of Agricultural SciencesBeijing 100081China

The blue-light receptor cryptochrome 1(CRY1)primarily mediates blue-light inhibition of hypocotyl elongation in ***,the underlying mechanisms remain largely *** report here that CRY1 inhibits hypocotyl elongation by repressing brassinosteroid(BR)signaling.A genetic interaction assay reveals the negative regulatory effect of CRY1 on the function of BZR1,a core transcription factor in the BR signaling *** demonstrated that CRY1 interacts with the DNA-binding domain of BZR1 to interfere with the DNA-binding ability of BZR1,and represses its transcriptional ***,we found that CRY1 promotes the phosphorylation of BZR1 and inhibits the nuclear accumulation of ***,we discovered that CRY1 interacts with the GSK3-like kinase BIN2 and enhances the interaction of BIN2 and BZR1 in a light-dependent *** findings revealed that CRY1 negatively regulates the function of BZR1 through at least two mechanisms:interfering with the DNA-binding ability of BZR1 and promoting the phosphorylation of ***,we uncover a novel CRY1-BIN2-BZR1 regulatory module that mediates crosstalk between blue light and BR signaling to coordinate plant growth in Arabidopsis.

关键词： brassinosteroid BIN2 BZR1 cryptochrome 1

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genetic dissection of and genomic selection for seed weight, pod length,and pod width in soybean

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The crop Journal 2023年第3期11卷 832-841页

作者： Yijie Chen Yajun Xiong Huilong Hong Gang Li Jie Gao Qingyuan Guo Rujian Sun Honglei Ren Fan Zhang Jun Wang Jian Song lijuan qiu College of Agriculture Yangtze UniversityJingzhou 434025HubeiChina College of Life sciences Yangtze UniversityJingzhou 434025HubeiChina national key facility for gene resources and genetic improvement/institute of crop sciences Chinese Academy of Agricultural SciencesBeijing 100081China Soybean Research institute Heilongjiang Academy of Agricultural SciencesHarbin 150086HeilongjiangChina Engineering Research Center of Ecology and agricultural Use of Wetland Ministry of EducationJingzhou 434025HubeiChina Hulunbuir institute of Agriculture and Animal Husbandry Hulunbuir 021000Inner MongoliaChina

A biparental soybean population of 364 recombinant inbred lines(RILs)derived from Zhongdou 41×ZYD02.878 was used to identify quantitative trait loci(QTL)associated with hundred-seed weight(100-SW),pod length(PL),and pod width(PW).100-SW,PL,and PW showed moderate correlations among one another,and 100-SW was correlated most strongly with PW(0.64–0.74).Respectively 74,70,75 and19 QTL accounting for 38.7%–78.8%of total phenotypic variance were identified by inclusive composite interval mapping,restricted two-stage multi-locus genome-wide association analysis,3 variancecomponent multi-locus random-SNP-effect mixed linear model analysis,and conditional genome-wide association *** these QTL,189 were novel,and 24 were detected by multiple *** loci were associated with 100-SW,PL,and PW and may be pleiotropic loci.A total of 284 candidate genes were identified in colocalizing QTL regions,including the verified gene Seed thickness 1(ST1).Eleven genes with functions involved in pectin biosynthesis,phytohormone,ubiquitin-protein,and photosynthesis pathways were prioritized by examining single nucleotide polymorphism(SNP)variation,calculating genetic differentiation index,and inquiring gene *** prediction accuracies of genomic selection(GS)for 100-SW,PL,and PW based on single trait-associated markers reached 0.82,0.76,and 0.86 respectively,but selection index(SI)-assisted GS strategy did not increase GS efficiency and inclusion of trait-associated markers as fixed effects reduced prediction *** results shed light on the genetic basis of 100-SW,PL,and PW and provide GS models for these traits with potential application in breeding programs.

关键词： Soybean Seed weight Pod size genetic analysis Genomic selection

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Construction of SNP genetic maps based on targeted next-generation sequencing and QTL mapping of vital agronomic traits in faba bean(Vicia faba L.)

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农业科学学报:英文版 2023年第9期22卷 2648-2659页

作者： LI Meng-wei he Yu-hua LIU Rong LI Guan WANG Dong JI Yi-shan YAN Xin HUANG Shu-xian WANG Chen-yu MA Yu LIU Bei YANG Tao ZONG Xu-xiao national key facility for crop gene resources and genetic improvement/institute of crop sciences Chinese Academy of Agricultural SciencesBeijing 100081P.R.China institute of Grain crops Yunnan Academy of Agricultural SciencesKunming 650205P.R.China Department of Horticulture Washington State UniversityPullmanWA 99164USA china Golden Marker(beijing)Biotech Co. Ltd.Beijing 102200P.R.China

Owing to the limitation of a large genome size(~13 Gb),the genetic and gene mapping studies on faba bean(Vicia faba L.)are lagging far behind those for other *** this study,we selected three purified faba bean lines(Yundou 8137,H0003712,and H000572)as parents and constructed two F2 *** two F2 populations,namely 167 F2 plants in Pop1(Yundou 8137×H0003712)and 204 F2 plants in Pop2(H000572×Yundou 8137),were genotyped using a targeted next-generation sequencing(TNGS)genotyping platform,and two high-density single nucleotide polymorphisms(SNP)genetic linkage maps of faba bean were *** map constructed from Pop1 contained 5103 SNPs with a length of 1333.31 cM and an average marker density of 0.26 *** map constructed from Pop2 contained 1904 SNPs with a greater length of 1610.61 *** these two F2 populations,QTL mapping identified 98 QTLs for 14 agronomic traits related to the flowers,pods,plant types and *** two maps were then merged into an integrated genetic linkage map containing 6895 SNPs,with a length of 3324.48 *** results not only lay the foundation for fine mapping and map-based cloning of related genes,but can also accelerate the molecular marker-assisted breeding of faba bean.

关键词： faba bean targeted next-generation sequencing single nucleotide polymorphisms genetic linkage map QTL mapping

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