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Genome-wide characterization and expression analysis of the cultivated peanut AhPR10 gene family mediating resistance to Aspergillus flavus 认领 引用
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作者 Qi Zhao Mengjie Cui +11 位作者 Tengda Guo Lei Shi Feiyan Qi Ziqi Sun Pei Du Hua Liu Yu Zhang Zheng Zheng Bingyan Huang Wenzhao Dong Suoyi Han Xinyou Zhang 《Journal of Integrative Agriculture》 SCIE CAS CSCD 2026年第1期56-67,共12页
The pathogenesis-related protein PR10 plays a vital role in plant growth,development,and stress responses.This study systematically identified and analyzed PR10 genes in cultivated peanut(Arachis hypogaea L.),examinin... The pathogenesis-related protein PR10 plays a vital role in plant growth,development,and stress responses.This study systematically identified and analyzed PR10 genes in cultivated peanut(Arachis hypogaea L.),examining their phylogenetic relationships,conserved motifs,gene structures,and syntenic relationships.The analysis identified 54 Ah PR10 genes,which were classified into eight groups based on phylogenetic relationships,supported by gene structure and conserved motif characterization.Analysis of chromosomal distribution and synteny demonstrated that segmental duplications played a crucial role in the expansion of the Ah PR10 gene family.The identified Ah PR10 genes exhibited both constitutive and inducible expression patterns.Significantly,Ah PR10-7,Ah PR10-33,and Ah PR10-41 demonstrated potential importance in peanut resistance to Aspergillus flavus.In vitro fungistatic experiments demonstrated that recombinant Ah PR10-33 effectively inhibited A.flavus mycelial growth.These findings provide valuable insights for future investigations into Ah PR10 functions in protecting peanut from A.flavus infection. 展开更多
关键词 cultivated peanut PR10 phylogenetic analysis expression pattern Aspergillus avus
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Identification of oil content QTLs on Arahy12 and Arahy16,and development of KASP markers in cultivated peanut(Arachis hypogaea L.) 认领 引用 被引量：5
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作者 Bingyan Huang Hua Liu +12 位作者 Yuanjin Fang Lijuan Miao Li Qin Ziqi Sun Feiyan Qi Lei Chen Fengye Zhang Shuanzhu Li Qinghuan Zheng Lei Shi Jihua Wu Wenzhao Dong Xinyou Zhang 《Journal of Integrative Agriculture》 SCIE CAS CSCD 2025年第6期2096-2105,共10页
Peanut kernels rich in oil,particularly those with oleic acid as their primary fatty acid,are in high demand among consumers,the food industry,and farmers due to their superior nutritional content,extended shelf life,... Peanut kernels rich in oil,particularly those with oleic acid as their primary fatty acid,are in high demand among consumers,the food industry,and farmers due to their superior nutritional content,extended shelf life,and health benefits.The oil content and fatty acid composition are governed by multiple genetic factors.Identifying the quantitative trait loci(QTLs)related to these attributes will facilitate marker-assisted selection and genomic selection,thus enhancing quality-focused peanut breeding programs.For this purpose,we developed a population of 521 recombinant inbred lines(RILs)and tested their kernel quality traits across five different environments.We identified two major and stable QTLs for oil content,qOCAh12.1 and qOCAh16.1.The markers linked to these QTLs were designed by Kompetitive allele-specific PCR(KASP)and subsequently validated.Moreover,we found that the superior haplotype of oil content in the qOCAh16.1 region was conserved within the plant introduction(PI)germplasm cluster,as evidenced by a diverse peanut accession panel.In addition,we determined that qAh09 and qAh19.1,which harbor the key gene encoding fatty acid desaturase 2(FAD2),influence all seven fatty acids,palmitic,stearic,oleic,linoleic,arachidic,gadoleic,and behenic acids.Regarding the protein content and the long-chain saturated fatty acid behenic acid,qAh07 emerged as the major and stable QTL,accounting for over 10%of the phenotypic variation explained(PVE).These findings can enhance marker-assisted selection in peanut breeding,with the aim of improving the oil content,and deepen our understanding of the genetic mechanisms that shape fatty acid composition. 展开更多
关键词 peanut QTL oil content fatty acid composition molecular markers
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Development and characterization of bacterial wilt-resistant synthetic polyploid peanuts 认领 引用 被引量：4
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作者 Pei Du Fanpei Zeng +12 位作者 Qian Wang Lijuan Miao Feiyan Qi Meili Yang Xiao Wang Hua Liu Guoquan Chen Liuyang Fu Suoyi Han Ziqi Sun Li Qin Wenzhao Dong Xinyou Zhang 《The Crop Journal》 SCIE CAS CSCD 2025年第1期125-134,共10页
Wild peanut(Arachis)species are promising sources of disease resistance for improving peanut cultivars.The objective of this study was to assess cross-compatibility among cultivated and wild peanuts in crosses between... Wild peanut(Arachis)species are promising sources of disease resistance for improving peanut cultivars.The objective of this study was to assess cross-compatibility among cultivated and wild peanuts in crosses between eight peanut cultivars and 27 wild species carrying the A,B,E,Ex,F,K,P,and H genomes.Embryo culture and chromosome doubling led to polyploids representing hybrids between cultivated peanut and A.stenosperma,A.macedoi,A.duranensis,A.villosa,and A.diogoi.The first two showed greater resistance to bacterial wilt than their cultivated parents.DNA markers were developed for verifying the hybrids and for identifying translocation or introgression lines with alien chromosome fragments. 展开更多
关键词 Peanut Wild species Cross compatibility Polyploids Bacterial wilt
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Unsteady aerodynamic modeling and analysis of aircraft model in multi-DOF coupling maneuvers at high angles of attack with attention mechanism 认领 引用 被引量：3
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作者 Wenzhao DONG Xiaoguang WANG +1 位作者 Dongbo HAN Qi LIN 《Chinese Journal of Aeronautics》 SCIE EI CAS CSCD 2025年第6期349-361,共13页
Unsteady aerodynamic characteristics at high angles of attack are of great importance to the design and development of advanced fighter aircraft, which are characterized by post-stall maneuverability with multiple Deg... Unsteady aerodynamic characteristics at high angles of attack are of great importance to the design and development of advanced fighter aircraft, which are characterized by post-stall maneuverability with multiple Degrees-of-Freedom(multi-DOF) and complex flow field structure.In this paper, a special kind of cable-driven parallel mechanism is firstly utilized as a new suspension method to conduct unsteady dynamic wind tunnel tests at high angles of attack, thereby providing experimental aerodynamic data. These tests include a wide range of multi-DOF coupled oscillatory motions with various amplitudes and frequencies. Then, for aerodynamic modeling and analysis, a novel data-driven Feature-Level Attention Recurrent neural network(FLAR) is proposed. This model incorporates a specially designed feature-level attention module that focuses on the state variables affecting the aerodynamic coefficients, thereby enhancing the physical interpretability of the aerodynamic model. Subsequently, spin maneuver simulations, using a mathematical model as the baseline, are conducted to validate the effectiveness of the FLAR. Finally, the results on wind tunnel data reveal that the FLAR accurately predicts aerodynamic coefficients, and observations through the visualization of attention scores identify the key state variables that affect the aerodynamic coefficients. It is concluded that the proposed FLAR enhances the interpretability of the aerodynamic model while achieving good prediction accuracy and generalization capability for multi-DOF coupling motion at high angles of attack. 展开更多
关键词 Unsteady aerodynamics Aerodynamic modeling High angle of attack Wind tunnel test Attention mechanism
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QTL mapping of quality traits in peanut using whole-genome resequencing 认领 引用 被引量：15
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作者 Ziqi Sun Feiyan Qi +13 位作者 Hua Liu Li Qin Jing Xu Lei Shi Zhongxin Zhang Lijuan Miao Bingyan Huang Wenzhao Dong Xiao Wang Mengdi Tian Jingjing Feng Ruifang Zhao Xinyou Zhang Zheng Zheng 《The Crop Journal》 SCIE CSCD 2022年第1期177-184,共8页
Oil and protein content and fatty acid composition are quality traits in peanut.Elucidating the genetic mechanisms underlying these traits may help researchers to obtain improved cultivars by molecular breeding.Whole-... Oil and protein content and fatty acid composition are quality traits in peanut.Elucidating the genetic mechanisms underlying these traits may help researchers to obtain improved cultivars by molecular breeding.Whole-genome resequencing of a recombinant inbred population of 318 lines was performed to construct a high-density linkage map and identify QTL for peanut quality.The map,containing 4561 bin markers,covered 2032 c M with a mean marker density of 0.45 c M.A total of 110 QTL for oil and protein content,and fatty acid composition were mapped on the 18 peanut chromosomes.The QTL q A05.1 was detected in four environments and showed a major phenotypic effect on the contents of oil,protein,and six fatty acids.The genomic region spanned by q A05.1,corresponding to a physical interval of approximately 1.5 Mb,contains two SNPs polymorphic between the parents that could cause missense mutations.The two SNP sites were employed as KASP markers and validated using lines with extremely high and low oil contents.These sites may be useful in the marker-assisted breeding of peanut cultivars with high oil contents. 展开更多
关键词 QTL mapping Peanut Oil content Fatty acid Whole-genome resequencing
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Identification of a stable major QTL for fresh-seed germination on chromosome Arahy.04 in cultivated peanut(Arachis hypogaea L.) 认领 引用 被引量：5
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作者 Maoning Zhang Qing Zeng +14 位作者 Hua Liu Feiyan Qi Ziqi Sun Lijuan Miao Xiaona Li Chenyu Li Debing Liu Junjia Guo Mengyuan Zhang Jing Xu Lei Shi Mengdi Tian Wenzhao Dong Bingyan Huang Xinyou Zhang 《The Crop Journal》 SCIE CSCD 2022年第6期1767-1773,共7页
Fresh-seed germination(FSG)impairs peanut production,especially in areas where the peanut harvest season coincides with rainy weather.Developing FSG-resistant cultivars by molecular breeding is expected to mitigate yi... Fresh-seed germination(FSG)impairs peanut production,especially in areas where the peanut harvest season coincides with rainy weather.Developing FSG-resistant cultivars by molecular breeding is expected to mitigate yield loss and quality impairment caused by FSG.However,the genetic control of FSG awaits elucidation.In this study,FSG at 1,3,5,7,and 9 days post-imbibition in three environments were tested,and quantitative-trait loci(QTL)associated with FSG were mapped in a peanut recombinant inbred line population by leveraging existing high-density peanut genetic maps.Of 24 QTL identified in 13 linkage groups,qFSGA04 was a stable major QTL on linkage group 04(LG04).It was consistently detected in five germination stages and three environments.By designing and validating DNA markers in the confidence interval of qFSGA04,we identified one single-nucleotide polymorphism and one In Del closely associated with FSG that could be used as linked markers for FSG resistance in peanut breeding. 展开更多
关键词 Peanut QTL mapping Fresh-seed germination(FSG) Dynamic germination KASP
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Development of Oligo-GISH kits for efficient detection of chromosomal variants in peanut 认领 引用 被引量：3
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作者 Pei Du Liuyang Fu +9 位作者 Qian Wang Tao Lang Hua Liu Suoyi Han Chenyu Li Bingyan Huang Li Qin Xiaodong Dai Wenzhao Dong Xinyou Zhang 《The Crop Journal》 SCIE CSCD 2023年第1期238-246,共9页
Oligo probe staining is a low-cost and efficient chromosome identification technique.In this study,oligo genomic in situ hybridization(Oligo-GISH)technology was established in peanut.Peanut A and B subgenome-specific ... Oligo probe staining is a low-cost and efficient chromosome identification technique.In this study,oligo genomic in situ hybridization(Oligo-GISH)technology was established in peanut.Peanut A and B subgenome-specific interspersed repeat(IR)oligo probe sets were developed based on clustering and electronic localization of tandem repeat sequences in the reference genome of Tifrunner.The OligoGISH kit was then used to perform staining of 15 Arachis species.The A-subgenome probe set stained the chromosomes of A-and E-genome Arachis species,the B-subgenome probe set stained those of B-,F-,K-,and E-genome species,and neither set stained those of H-genome species.These results indicate the relationships among the genomes of these Arachis species.The Oligo-GISH kit was also used for batch staining of the chromosomes of 389 seedlings from the irradiated M1generation,allowing 67 translocation and deletion lines to be identified.Subsequent Oligo-FISH karyotyping,FISH using single-copy probe libraries,and trait investigation identified seven homozygous chromosomal variants from the M3generation and suggested that there may be genes on chromosome 4B controlling seed number per pod.These findings demonstrate that the IR probe sets and method developed in this study can facilitate research on distant hybridization and genetic improvement in peanut. 展开更多
关键词 Peanut Oligo-GISH Genomic relationship Variants Chromosome identification
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Fine-mapping of a candidate gene for web blotch resistance in Arachis hypogaea L. 认领 引用 被引量：7
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作者 Xiaohui Wu Mengyuan Zhang +11 位作者 Zheng Zheng Ziqi Sun Feiyan Qi Hua Liu Juan Wang Mengmeng Wang Ruifang Zhao Yue Wu Xiao Wang Hongfei Liu Wenzhao Dong Xinyou Zhang 《Journal of Integrative Agriculture》 SCIE CAS CSCD 2024年第5期1494-1506,共13页
Peanut(Arachis hypogaea L.)is a globally important oil crop.Web blotch is one of the most important foliar diseases affecting peanut,which results in serious yield losses worldwide.Breeding web blotch-resistant peanut... Peanut(Arachis hypogaea L.)is a globally important oil crop.Web blotch is one of the most important foliar diseases affecting peanut,which results in serious yield losses worldwide.Breeding web blotch-resistant peanut varieties is the most effective and economically viable method for minimizing yield losses due to web blotch.In the current study,a bulked segregant analysis with next-generation sequencing was used to analyze an F2:3 segregating population and identify candidate loci related to web blotch resistance.Based on the fine-mapping of the candidate genomic interval using kompetitive allele-specific PCR(KASP)markers,we identified a novel web blotch resistance-related locus spanning approximately 169 kb on chromosome 16.This region included four annotated genes,of which only Arahy.35VVQ3 had a non-synonymous single nucleotide polymorphism in the coding region between the two parents.Two markers(Chr.16.12872635 and Chr.16.12966357)linked to this gene were shown to be co-segregated with the resistance of peanut web blotch by 72 randomly selected recombinant inbred lines(RIL),which could be used in marker-assisted breeding of resistant peanut varieties. 展开更多
关键词 peanut web blotch bulked segregant analysis KAsP markers resistant gene
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A telomere-to-telomere genome assembly of the cultivated peanut 认领 引用 被引量：4
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作者 Xiaobo Wang Ziqi Sun +27 位作者 Feiyan Qi Zhiyuan Zhou Pei Du Lei Shi Wenzhao Dong Bingyan Huang Suoyi Han Stefano Pavan Meng Zhang Mengjie Cui Jing Xu Hua Liu Li Qin Zhongxin Zhang Xiaodong Dai Wei Gao Lijuan Miao Ruifang Zhao Juan Wang Mengmeng Wang Chenyang Zhi Yaojun Hu Huanhuan Zhao Linjie Chen Xiaodong Jin Yanhui Sun Zheng Zheng Xinyou Zhang 《Molecular Plant》 SCIE CAS CSCD 2025年第1期5-8,共4页
Dear Editor,Cultivated peanut(peanut in short)(Arachis hypogaea,2n=4x=40,genome type AABB)is a legume crop serving globally as a crucial source of edible oil and protein.Available peanut reference genome sequences obt... Dear Editor,Cultivated peanut(peanut in short)(Arachis hypogaea,2n=4x=40,genome type AABB)is a legume crop serving globally as a crucial source of edible oil and protein.Available peanut reference genome sequences obtained for the cultivars"Tifrunner,""Shitouqi,"and"Fuhuasheng"were assembled or patched using third-generation sequencing technologies and significantly contributed to advancements in peanut genetics and breeding(Bertioli et al.,2019;Chen et al.,2019;Zhuang et al.,2019).However,unresolved gaps persist in these assemblies,particularly in regions of biological importance such as centromeres and telomeres(Supplemental Figure 1),hindering comprehensive exploration of their functional and evolutionary significance. 展开更多
关键词 breeding cultivar Figure
Creation of fragrant peanut using CRISPR/Cas9 认领 引用 被引量：2
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作者 Lulu Xue Pengyu Qu +9 位作者 Huanhuan Zhao Han Liu Bingyan Huang Xiaobo Wang Zhongxin Zhang Xiaodong Dai Li Qin Wenzhao Dong Lei Shi Xinyou Zhang 《Journal of Integrative Plant Biology》 SCIE CAS CSCD 2025年第6期1438-1440,共3页
Peanut (Arachis hypogaea L.) is an important food and oil crop valued for its oil-rich kernel, high protein content, and diverse nutritional components, making it a staple raw material in the food industry. Fragrance ... Peanut (Arachis hypogaea L.) is an important food and oil crop valued for its oil-rich kernel, high protein content, and diverse nutritional components, making it a staple raw material in the food industry. Fragrance is an essential trait influencing both the initial appeal and flavor quality of food products. For instance, fragrant rice has gained global popularity due to its appealing aroma. The fragrance trait in rice is regulated by the BADH2 gene, which encodes betaine aldehyde dehydrogenase 2 (BADH) (Chen et al., 2008). In non-fragrant rice, BADH2 catalyzes the conversion of γ-aminobutyraldehyde (GABald) to γ-aminobutyric acid. When BADH2 function is disrupted, GABald is redirected to form Δ-1-pyrroline and the subsequent 2-acetyl-1-pyrroline (2-AP), the key compound contributing to rice fragrance (Okpala et al., 2019). 展开更多
关键词 fragrance nutritional components betaine aldehyde dehydrogenase fragrant rice food industry raw material food products badh gene
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