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Journal of Integrative Plant Biology 2024年第8期66卷 1620-1638页

作者： Jie Li Wenxiao Zhang Qing Lu Jiaqi Sun Chuang Cheng Shiyu Huang Shuo Li Qiang Li Wei Zhang Chuanen Zhou Bin Liu Fengning Xiang The key laboratory of Plant development and Environmental Adaptation Biology Ministry of EducationSchool of Life SciencesShandong UniversityQingdao 266237China State key laboratory of Crop Gene Resources and breeding Institute of Crop SciencesChinese Academy of Agricultural SciencesBeijing 100081China

The development of flowers in soybean(Glycine max)is essential for determining the yield potential of the *** silencing pathways are involved in modulating flower development,but their full elucidation is still ***,we conducted a forward genetic screen and identified an abnormal flower mutant,deformed floral bud1-1(Gmdfb1-1),in *** mapped and identified the causal gene,which encodes a member of the armadillo(ARM)-repeat *** small RNA sequencing(sRNA-seq),we found an abnormal accumulation of small interfering RNAs(si RNAs)and microRNA(miRNAs)in the Gmdfb1 *** further demonstrated that GmDFB1 interacts with the RNA exosome cofactor SUPER KILLER7(Gm SKI7).Additionally,GmDFB1 interacts with the PIWI domain of ARGONAUTE 1(GmAGO1)to inhibit the cleavage efficiency on the target genes of s *** enhanced gene silencing mediated by siRNA and miRNA in the Gmdfb1 mutants leads to the downregulation of their target genes associated with flower *** study revealed the crucial role of GmDFB1 in regulating floral organ identity in soybean probably by participating in two distinct gene silencing pathways.

关键词： ARM-repeat superfamily protein ARGONAUTE 1 SUPER KILLER 7 flower development gene silencing small RNAs soybean

Sugarcane transcription factor ScWRKY4 negatively regulates resistance to pathogen infection through the JA signaling pathway

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The Crop Journal 2024年第1期12卷 164-176页

作者： Dongjiao Wang Wei Wang Shoujian Zang Liqian Qin Yanlan Liang Peixia Lin Yachun Su Youxiong Que key laboratory of Sugarcane Biology and genetic breeding Ministry of Agriculture and Rural AffairsKey Laboratory of GeneticsBreeding and Multiple Utilization of CropsMinistry of EducationCollege of AgricultureFujian Agriculture and Forestry UniversityFuzhou 350002FujianChina National key laboratory for Tropical Crop breeding Institute of Tropical Bioscience and BiotechnologyChinese Academy of Tropical Agricultural SciencesSanya 572024HainanChina

WRKY transcription factors,transcriptional regulators unique to plants,play an important role in defense response to pathogen ***,the resistance mechanisms of WRKY genes in sugarcane remain *** the present study,gene ontology(GO)enrichment analysis revealed that WRKY gene family in sugarcane was extensively involved in the response to biotic stress and in defense *** identified gene ScWRKY4,a classⅡc member of the WRKY gene family,in sugarcane cultivar *** gene was induced by salicylic acid(SA)and methyl jasmonate(MeJA)***,expression of ScWRKY4 was down-regulated in smut-resistant sugarcane cultivars but up-regulated in smutsusceptible sugarcane cultivars infected with Sporisorium ***,stable overexpression of the ScWRKY4 gene in Nicotiana benthamiana enhanced susceptibility to Fusarium solani *** and caused down-regulated expression of immune marker-related *** analysis indicated suppressed expression of most JAZ genes in the signal transduction ***4 interacted with ScJAZ13 to repress its *** thus hypothesized that the ScWRKY4 gene was involved in the regulatory network of plant disease resistance,most likely through the JA signaling *** present study depicting the molecular involvement of ScWRKY4 in sugarcane disease resistance lays a foundation for future investigation.

关键词： Disease resistance Expression profile Transcriptome analysis WRKY transcription factors

TaSRO1 interacts with TaVP1 to modulate seed dormancy and pre-harvest sprouting resistance in wheat

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Journal of Integrative Plant Biology 2024年第1期66卷 36-53页

作者： Shupeng Liu Li Li Wenlong Wang Guangmin Xia Shuwei Liu key laboratory of Plant development and Environmental Adaptation Biology Ministry of EducationSchool of Life ScienceShandong UniversityQingdao 266237China

Dormancy is an adaptive trait which prevents seeds from germinating under unfavorable environmental *** with weak dormancy undergo pre-harvest sprouting(PHS)which decreases grain yield and *** the genetic mechanisms that regulate seed dormancy and resistance to PHS is crucial for ensuring global food *** this study,we illustrated the function and molecular mechanism of TaSRO1 in the regulation of seed dormancy and PHS resistance by suppressing *** tasro1 mutants exhibited strong seed dormancy and enhanced resistance to PHS,whereas the mutants of tavp1 displayed weak *** evidence has shown that TaVP1 is epistatic to *** evidence has shown that TaSRO1 interacts with TaVP1 and represses the transcriptional activation of the PHS resistance genes TaPHS1 and ***,TaSRO1 undermines the synergistic activation of TaVP1 and TaABI5 in PHS resistance ***,we highlight the great potential of tasro1 alleles for breeding elite wheat cultivars that are resistant to PHS.

关键词： wheat seed dormancy pre-harvest sprouting(PHS) ABA signaling vivipary

Small particles,big effects:How nanoparticles can enhance plant growth in favorable and harsh conditions

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Journal of Integrative Plant Biology 2024年第7期66卷 1274-1294页

作者： Jie Wang Honghong Wu Yichao Wang Wuwei Ye Xiangpei Kong Zujun Yin Zhengzhou Research Base State Key Laboratory of Cotton Bio‐breeding and Integrated UtilizationSchool of Agricultural SciencesZhengzhou UniversityZhengzhou 450001China State key laboratory of Cotton Bio‐breeding and Integrated Utilization Institute of Cotton ResearchChinese Academy of Agricultural SciencesAnyang 455000China National key laboratory of Crop genetic Improvement Huazhong Agricultural UniversityWuhan 430070China School of Engineering Design and Built EnvironmentWestern Sydney UniversityPenrith NSW 2751Australia Western Agricultural Research Center Chinese Academy of Agricultural SciencesChangji 831100China The key laboratory of Plant development and Environmental Adaptation Biology Ministry of EducationCollege of Life SciencesShandong UniversityQingdao 266237China

By 2050,the global population is projected to reach 9 billion,underscoring the imperative for innovative solutions to increase grain yield and enhance food *** has emerged as a powerful tool,providing unique solutions to this ***(NPs)can improve plant growth and nutrition under normal conditions through their high surface-to-volume ratio and unique physical and chemical ***,they can be used to monitor crop health status and augment plant resilience against abiotic stresses(such as salinity,drought,heavy metals,and extreme temperatures)that endanger global *** of NPs can enhance stress tolerance mechanisms in plants,minimizing potential yield losses and underscoring the potential of NPs to raise crop yield and *** review highlights the need for a comprehensive exploration of the environmental implications and safety of nanomaterials and provides valuable guidelines for researchers,policymakers,and agricultural *** thoughtful stewardship,nanotechnology holds immense promise in shaping environmentally sustainable agriculture amid escalating environmental challenges.

关键词： abiotic stress agricultural defense system nano-particles nanotechnology oxidative stress reactive oxygen species toxicity

Post-transcriptional regulation of grain weight and shape by the RBP-A-J-K complex in rice

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Journal of Integrative Plant Biology 2024年第1期66卷 66-85页

作者： Ding Ren Hui Liu Xuejun Sun Fan Zhang Ling Jiang Ying Wang Ning Jiang Peiwen Yan Jinhao Cui Jinshui Yang Zhikang Li Pingli Lu Xiaojin Luo State key laboratory of genetic Engineering and MOE Engineering Research Center of Gene Technology School of Life SciencesFudan UniversityShanghai 200438China State key laboratory of Crop Stress Adaptation and Improvement School of Life SciencesHenan UniversityKaifeng 475004China MOE key laboratory of Crop Physiology Ecology and Genetic Breeding College of AgronomyJiangxi Agricultural UniversityNanchang 330045China State key laboratory of Crop Gene Resources and breeding Institute of Crop SciencesChinese Academy of Agricultural Sciences(CAAS)Beijing 100081China College of Agronomy Anhui Agricultural UniversityHefei 230036China

RNA-binding proteins(RBPs)are components of the post-transcriptional regulatory system,but their regulatory effects on complex traits remain *** an integrated strategy involving map-based cloning,functional characterizations,and transcriptomic and population genomic analyses,we revealed that RBP-K(LOC_Os08g23120),RBP-A(LOC_Os11g41890),and RBP-J(LOC_Os10g33230)encode proteins that form an RBP-A-J-K complex that negatively regulates rice yield-related *** of the RBP-A-J-K complex indicated RBP-K functions as a relatively non-specific RBP chaperone that enables RBP-A and RBP-J to function ***,RBP-J most likely affects GA pathways,resulting in considerable increases in grain and panicle lengths,but decreases in grain width and *** contrast,RBP-A negatively regulates the expression of genes most likely involved in auxin-regulated pathways controlling cell wall elongation and carbohydrate transport,with substantial effects on the rice grain filling process as well as grain length and ***,RBP-K is relatively ancient and highly conserved,whereas RBP-J and RBP-A are more ***,the RBP-A-J-K complex may represent a typical functional model for many RBPs and protein complexes that function at transcriptional and post-transcriptional levels in plants and animals for increased functional consistency,efficiency,and versatility,as well as increased evolutionary *** results clearly demonstrate the importance of RBP-mediated post-transcriptional regulation for the diversity of complex ***,rice grain yield and quality may be enhanced by introducing various complete or partial loss-of-function mutations to specific RBP genes using clustered regularly interspaced palindromic repeats(CRISPR)/CRISPR-associated protein 9 technology and by exploiting desirable natural tri-genic allelic combinations at the loci encoding the components of the RBP-A-J-K complex through marker-assisted select

关键词： GL11 grain weight and shape post-transcriptional regulation RNA-binding proteins

BoMyrosinase plays an essential role in sulforaphane accumulation in response to selenite treatment in broccoli

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horticultural Plant Journal 2024年第2期10卷 488-502页

作者： Qiuyun Wu Qi Wu Yuxiao Tian Chunyan Zhou Shuxiang Mao Junwei Wang Ke Huang College of Horticulture Hunan Agricultural UniversityChangshaHunan 410128China Engineering Research Center for horticultural Crop Germplasm Creation and New Variety breeding Ministry of EducationChangshaHunan 410128China key laboratory for Vegetable Biology of Hunan Province ChangshaHunan 410128China key laboratory for Evaluation and Utilization of Gene Resources of horticultural Crops Ministry of Agriculture and Rural Affairs of ChinaChangshaHunan 410128China

Sulforaphane, a naturally specialized metabolite, plays significant roles in human disease prevention and plant defense. Myrosinase(MY) is a key gene responsible for the catalysis of sulforaphane formation, but the molecular mechanisms through which MY regulates sulforaphane biosynthesis in plants remains largely unknown. Here, we discovered that the change of sulforaphane content in broccoli sprouts caused by exogenous selenite treatments is positively related to BoMY expression. BoMY overexpression in the Arabidopsis thaliana tgg1 mutants could dramatically increase myrosinase activity and sulforaphane content in the rosette leaves of 35S::BoMY/tgg1 and rescue its ***, an obvious increase of myrosinase activity and sulforaphane content was displayed in transgenic BoMY-overexpressed broccoli *** addition, a 2 033 bp promoter fragment of BoMY was isolated. Yeast one-hybrid(Y1H) library screening experiment uncovered that one bHLH transcription factor, BoFAMA, could directly bind to BoMY promoter to activate its expression, which was further evidenced by Y1H assay and dual-luciferase reporter assay. BoFAMA is a selenite-responsive transcription factor that is highly expressed in broccoli leaves;its protein is solely localized to nucleus. Additionally, genetic evidence suggested that the knockdown of FAMA gene in Arabidopsis thaliana could significantly decrease sulforaphane yield by inhibiting the expression of myrosinase genes. Interestingly, exogenous selenite supply could partially restore the low level of sulforaphane content in transgenic Arabidopsis FAMA-silencing plants. Our findings uncover a novel function of FAMAMY module in the regulation of selenite-mediated sulforaphane synthesis and provide a new insights into the molecular mechanism by which selenite regulates the accumulation of sulforaphane in plants.

关键词： Brassica oleracea var.italica Myrosinase BoMY Sulforaphane Selenite treatment

Developing a CRISPR/FrCas9 system for core promoter editing in rice

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aBIOTECH 2024年第2期5卷 189-195页

作者： Hui Wang Jian Ding Jingyan Zhu Xiaoshuang Liu Rongfang Xu Ruiying Qin Dongfang Gu Min Li Pengcheng Wei Juan Li College of Agronomy Anhui Agricultural UniversityHefei 230036China key laboratory of Rice genetic breeding of Anhui Province Rice Research InstituteAnhui Academy of Agricultural SciencesHefei 230031China Research Centre for Biological breeding Technology Advance AcademyAnhui Agricultural UniversityHefei 230036China

Small mutations in the core promoter region of a gene may result in substantial changes in expression ***,targeting TA-rich sequences of core promoters may pose a challenge for Cas9 variants such as SpCas9 and other G-rich PAM-compatible *** this study,we engineered a unique FrCas9 system derived from Faecalibaculum rodentium for plant genome *** findings indicate that this system is efficient in rice when the TATA sequence is used as a *** addition,FrCas9 demonstrated activity against all 16 possible NNTA PAMs,achieving an efficiency of up to 35.3%in calli and generating homozygous or biallelic mutations in 31.3%of the T_(0)transgenic plants.A proof-ofconcept experiment to examine editing of the rice WX core promoter confirmed that FrCas9-induced mutations could modify gene expression and amylose *** mutations and deletions were produced by bidirectional editing,mediated by FrCas9,using a single palindromic TATA sequence as a ***,we developed FrCas9-derived base editors capable of programmable conversion between AT and GC pairs in *** study highlights a versatile FrCas9 toolset for plant core promoter editing,offering great potential for the fine-tuning of gene expression and creating of new germplasms.

关键词： Genome editing FrCas9 CRISPR Core promoter Base editing

Deciphering the population structure and genetic basis of growth traits from whole-genome resequencing of the leopard coral grouper(Plectropomus leopardus)

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Zoological Research 2024年第2期45卷 329-340页

作者： Shao-Xuan Wu Qi-Fan Zeng Wen-Tao Han Meng-Ya Wang Hui Ding Ming-Xuan Teng Ming-Yi Wang Pei-Yu Li Xin Gao Zhen-Min Bao Bo Wang Jing-Jie Hu MOE key laboratory of Marine genetics and breeding College of Marine Life Sciences/Key Laboratory of Tropical Aquatic Germplasm of Hainan ProvinceSanya Oceanographic InstitutionOcean University of ChinaQingdaoShandong/SanyaHainan 266100/572025China Hainan Seed Industry laboratory SanyaHainan 572025China Southern Marine Science and Engineer Guangdong laboratory GuangzhouGuangdong 511458China

The leopard coral grouper(Plectropomus leopardus)is a species of significant economic *** artificial cultivation of *** has thrived in recent decades,the advancement of selective breeding has been hindered by the lack of comprehensive population genomic *** this study,we identified over 8.73 million single nucleotide polymorphisms(SNPs)through whole-genome resequencing of 326 individuals spanning six distinct ***,we categorized 226 individuals with high-coverage sequencing depth(≥14×)into eight clusters based on their genetic profiles and phylogenetic ***,four of these clusters exhibited pronounced genetic differentiation compared with the other *** identify potentially advantageous loci for ***,we examined genomic regions exhibiting selective sweeps by analyzing the nucleotide diversity(θπ)and fixation index(FST)in these four *** these high-coverage resequencing data,we successfully constructed the first haplotype reference panel specific to *** achievement holds promise for enabling high-quality,***,we combined low-coverage sequencing data with imputation techniques for a genome-wide association study,aiming to identify candidate SNP loci and genes associated with growth traits.A significant concentration of these genes was observed on chromosome 17,which is primarily involved in skeletal muscle and embryonic development and cell ***,our detailed investigation of growth-related SNPs across the eight clusters revealed that cluster 5 harbored the most promising candidate SNPs,showing potential for genetic selective breeding *** findings provide a robust toolkit and valuable insights into the management of germplasm resources and genome-driven breeding initiatives targeting ***.

关键词： Plectropomus leopardus Whole-genome resequencing Growth Haplotype reference panel Single nucleotide polymorphisms

A complete reference genome assembly for foxtail millet and Setaria-db, a comprehensive database for Setaria

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Molecular Plant 2024年第2期17卷 219-222页

作者： Qiang He Chunchao Wang Qiang He Jun Zhang Hongkai Liang Zefu Lui Kun Xie Sha Tang Yuhan Zhou Bin Liu Hui Zhi Guanqing Jia Ganggang Guo Huilong Du Xianmin Diao State key laboratory of Crop Gene Resources and breeding Institute of Crop SciencesChinese Academy of Agricultural SciencesBeijing 100081China School of Life Sciences Institute of Life Sciences and Green DevelopmentHebei UniversityBaoding 071000China State key laboratory of Rice Biology&breeding Zhejang Provincial Key Laboratory of Crop GermplasmThe Advanced Seed InstituteZhejiang UniversityHangzhouChina

Dear Editor,,Foxtail millet(Setaria italica)and its wild ancestor green foxtail(***),are two C4 genetic model plants known for their desirable traits,such as small size,short life cycle,ease of transformation,and a compact genome size(~420 Mb)(He et al.,2023).Foxtail millet stands out as the only cultivated species within the Setaria *** a foundational crop for ancient east Asian agriculture civilization,it possesses remarkable drought and soil-nutrient deficiency tolerance.

关键词： comprehensive soil cultivated

Prescreening of large-effect markers with multiple strategies improves the accuracy of genomic prediction

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Journal of Integrative Agriculture 2024年第5期23卷 1634-1643页

作者： Keanning Li Bingxing An Mang Liang Tianpeng Chang Tianyu Deng Lili Du Sheng Cao Yueying Du Hongyan Li Lingyang Xu Lupei Zhang Xue Gao Junya LI Huijiang Gao laboratory of Molecular Biology and Bovine breeding Institute of Animal SciencesChinese Academy of Agricultural SciencesBeijing 100193China Shaanxi key laboratory of Molecular Biology for Agriculture College of Animal Science and TechnologyNorthwest A&F UniversityYangling712100China College of Computer and Information Engineering Tianjin Agricultural UniversityTianjin 300384China College of Animal Science and Technology Qingdao Agricultural UniversityQingdao 266109China Tongliao Animal Agriculture development Service Center Tongliao 028000China

Presently,integrating multi-omics information into a prediction model has become a ameliorate strategy for genomic selection to improve genomic prediction ***,we set the genomic and transcriptomic data as the training population data,using BSLMM,TWAS,and eQTL mapping to prescreen features according to |β_(b)|>0,top 1%of phenotypic variation explained(PVE),expression-associated single nucleotide polymorphisms(eSNPs),and egenes(false discovery rate(FDR)genetic variance than *** study confirmed that multi-omics-assisted large-effects loci prescreening could improve the accuracyofgenomic prediction.

关键词： multi-omics data features prescreening eQTL mapping Huaxi cattle genomic selection