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UV-B irradiation enhances the accumulation of beneficial glucosinolates induced by melatonin in Chinese kale sprout

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horticultural Plant Journal 2024年第4期10卷 995-1006页

作者： Mengyu Wang Jiansheng Wang Yuhe Yang Zhiqing Li Ghazala Mustafa Yubo Li Lihong Liu Zuofa Zhang Qiaomei Wang Zhejiang Academy of Agricultural Sciences HangzhouZhejiang 310021China key laboratory of horticultural Plant growth Development and Quality ImprovementMinistry of AgricultureDepartment of HorticultureZhejiang UniversityHangzhouZhejiang 310058China Department of Plant Sciences Quaid-i-Azam UniversityIslamabad 45320Pakistan

Cruciferous sprout is a new form of vegetable product rich in bioactive compounds,especially *** studies have focused on increasing the accumulation of glucosinolates in cruciferous sprouts by applying different chemical regulators,with a particular focus on their contribution to nutritional quality and health ***,the effects of melatonin and UV-B irradiation on glucosinolate biosynthesis remain *** this study,it was found that changes in melatonin concentrations significantly affected the contents of individual as well as total aliphatic and indolic *** 5μmol·L^(-1)melatonin was decided as the optimum concentration that could increase the content of beneficial glucosinolates including glucoraphanin and 4-methoxy glucobrassicin in Chinese kale ***,the enhancement of glucosinolate accumulation by melatonin treatment could be further amplified by UV-B ***,our results showed that R2R3-MYB transcription factor BoaMYB28 and BoaMYB51,which are central regulators of aliphatic and indolic glucosinolate biosynthesis respectively,were both involved in the regulation of glucosinolate biosynthesis by melatonin and UV-B ***,the expression of glucosinolate biosynthetic genes,including BoaCYP79F1,BoaCYP83A1,BoaSUR1,BoaUGT74B1,BoaCYP79B2,BoaCYP79B3,and BoaCYP83B1 participated in the formation of core structures and BoaFMOGS-OX5,BoaAOP2,BoaCYP81F2,and BoaIGMT1 involved in the sidechain modification of aliphatic and indolic glucosinolate,was regulated by melatonin or UV-B *** together,these findings provide a potential strategy for improving the nutritional quality and resistance of Chinese kale sprouts.

关键词： Melatonin Chinese kale sprouts UV-B Glucosinolates Nutritional quality Second metabolism

Identification and functional verification of Y-chromosome-specific gene typo-gyf in Bactrocera dorsalis

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Insect Science 2024年第4期31卷 1270-1284页

作者： Peipei Liu Shuning Yu Wenping Zheng Qiuyuan Zhang Jiao Qiao Ziniu Li Zhurong Deng Hongyu Zhang National key laboratory for Germplasm Innovation and Utilization for Fruit and Vegetable horticultural Crops Hubei Hongshan LaboratoryChina-Australia Joint Research Centre for Horticultural and Urban PestsInstitute of Urban and Horticultural EntomologyCollege of Plant Science and TechnologyHuazhong Agricultural UniversityWuhanChina

Genes on the Y chromosome play important roles in male sex determination and *** identification of Y-chromosome-specific genes not only provides a theoretical basis for the study of male reproductive development,but also offers genetic control targets for agricultural ***,Y-chromosome genes are rarely characterized due to their high repeatability and high heterochromatinization,especially in the oriental fruit *** this study,1011 Y-chromosome-specific candidate sequences were screened from 2 to 4 h Bactrocera dorsalis embryo datasets with the chromosome quotient method,6 of which were identified as Y-chromosome-specific sequences by polymerase chain reaction,including typo-gyf,a 19126-bp DNA sequence containing a 575-amino acid open reading *** deformation and a significant reduction in sperm number were observed after typo-gyf knockdown with RNA interference in *** typo-gyf knockout with clustered regularly interspaced palindromic repeats(CRISPR)/CRISPR-associated protein 9 in the embryonic stage,the sex ratio of the emergent adults was unbalanced,with far more females than males.A genotype analysis of these females with the Y-chromosome gene MoY revealed no sex ***-gyf knockout led to the death of XY individuals in the embryonic *** conclude that typo-gyf is an essential gene for male survival,and is also involved in testicular development and *** identification of typo-gyf and its functional verification provide insight into the roles of Y-chromosome genes in male development.

关键词： Bactrocera dorsalis spermatogenesis testis typo-gyf gene Y-specific gene

Genome-wide identifcation of the histone acetyltransferase gene family in Citrus clementina and its potential roles in citrate metabolism

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Food Quality and Safety 2024年第1期8卷 201-211页

作者： Xiahui Lin Yanna Shi Shengchao Liu Xincheng Liu Minglei Zhang Bo Zhang Shaojia Li Kunsong Chen College of Agriculture and Biotechnology Zhejiang UniversityZijingang CampusHangzhouChina Zhejiang Provincial key laboratory of horticultural Plant Integrative Biology Zhejiang UniversityZijingang CampusHangzhouChina The State Agriculture Ministry laboratory of horticultural Plant growth Development and Quality ImprovementZhejiang UniversityZijingang CampusHangzhouChina Shenzhen Branch Guangdong Laboratory for Lingnan Modern AgricultureKey Laboratory of Synthetic BiologyMinistry of Agriculture and Rural AffairsAgricultural Genomics Institute at ShenzhenChinese Academy of Agricultural SciencesShenzhenChina Institute of Horticulture Jiangxi Academy of Agricultural SciencesNanchangChina

Histone acetyltransferase(HAT)catalyzes histone acetylation and is involved in plant growth and development and stress ***,37 CitHAT genes were identifed in Citrus *** physicochemical properties,chromosomal location,gene structure,conserved domain and motif,and cis-acting elements were *** were classifed into four subfamilies based on protein sequence homology,which was strongly supported by gene structure,conserved domain,and motif *** cis-acting elements in gene promoter regions were predicted to be associated with the regulation of plant growth,stress resistance,and response to *** and transcriptomic analyses of citrus callus with mock treatment and HAT inhibitor treatment revealed that increased citric acid content in inhibitor treatment may be attributed to differential expression of CitPEPCK2 and CitGS2,which may be due to the hypo-acetylation of histone *** expression patterns of CitHATs in citrus fruit development stages showed that CitHAG11 and CitHAG28 exhibited a negative correlation with citric acid *** study associates the potential function of histone acetyltransferases in citrate metabolism and extends the molecular mechanism of citrate metabolism in fruits.

关键词： Citrus histone acetyltransferases citric acid citrate metabolism histone acetylation.

The MYC2-PUB22-JAZ4 module plays a crucial role in jasmonate signaling in tomato

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Molecular Plant 2024年第4期17卷 598-613页

作者： Shaofang Wu Chaoyi Hu Changan Zhu Yanfen Fan Jie Zhou Xiaojia Xia Kai Shi Yanhong Zhou Christine H.Foyer Jingquan Yu Department of Horticulture Zijingang CampusZhejiang UniversityHangzhou 310058China Hainan Institute Zhejiang UniversityYazhou Bay Science and Technology CitySanya 572025China College of Horticulture Northwest Agriculture&Forestry UniversityXianyang 712100China School of Biosciences College of Life and Environmental SciencesUniversity of BirminghamEdgbaston B152TTUK key laboratory of horticultural plants growth and development Agricultural Ministry of ChinaZhejiang UniversityHangzhou 310058China

Jasmonates(JAs),a class of lipid-derived stress hormones,play a crucial role across an array of plant physiological processes and stress *** JA signaling is thought to rely predominantly on the degradation of specific JAZ proteins by SCF^(COI1),it remains unclear whether other pathways are involved in the regulation of JAZ protein ***,we report that PUB22,a plant U-box type E3 ubiquitin ligase,plays a critical role in the regulation of plant resistance against Helicoverpa armigera and other JA responses in *** COI1 physically interacts with JAZ1/2/5/7,PUB22 physically interacts with JAZ1/3/4/***22 ubiquitinates JAZ4 to promote its degradation via the 26S proteasome ***,we observed that pub22 mutants showreduced resistance to ***,whereas jaz4 single mutants and jaz1 jaz3 jaz4 jaz6 quadruple mutants have enhanced *** hypersensitivity of pub22 mutants to herbivores could be partially rescued by JAZ4 ***,we found that expression of PUB22 can be transcriptionally activated by MYC2,thus forming a positive feedback circuit in JA *** noticed that the PUB22-JAZ4 module also regulates other JA responses,including defense against ***,inhibition of root elongation,and anthocyanin *** together,these results indicate that PUB22 plays a crucial role in plant growth and defense responses,together with COI1-regulated JA signaling,by targeting specific JAZs.

关键词： PUB22 JAZ COI1 MYC2 JA signaling Solanum lycopersicum

Improved genome annotation of Brassica oleracea highlights the importance of alternative splicing

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horticultural Plant Journal 2024年第4期10卷 961-970页

作者： Yinqing Yang Lei Zhang Qi Tang Lingkui Zhang Xing Li Shumin Chen Kang Zhang Ying Li Xilin Hou Feng Cheng State key laboratory of Crop Genetics and Germplasm Enhancement College of HorticultureNanjing Agricultural UniversityNanjing 210095China State key laboratory of Vegetable Biobreeding Institute of Vegetables and FlowersChinese Academy of Agricultural SciencesKey Laboratory of Biology and Genetic Improvement of Horticultural Crops of the Ministry of Agriculture and Rural AffairsSino-Dutch Joint Laboratory of Horticultural GenomicsBeijing 100081China

Brassica oleracea has been developed into many important crops,including cabbage,kale,cauliflower,broccoli and so *** genome and gene annotation of cabbage(cultivar JZS),a representative morphotype of ***,has been widely used as a common reference in biological *** its genome assembly has been updated twice,the current gene annotation still lacks information on untranslated regions(UTRs)and alternative splicing(AS).Here,we constructed a high-quality gene annotation(JZSv3)using a full-length transcriptome acquired by nanopore sequencing,yielding a total of 59452 genes and 75684 ***,we re-analyzed the previously reported transcriptome data related to the development of different tissues and cold response using JZSv3 as a reference,and found that 3843 out of 11908 differentially expressed genes(DEGs)underwent AS during the development of different tissues and 309 out of 903 cold-related genes underwent AS in response to cold ***,we also identified many AS genes,including BolLHCB5 and BolHSP70,that displayed distinct expression patterns within variant transcripts of the same gene,highlighting the importance of JZSv3 as a pivotal reference for AS ***,JZSv3 provides a valuable resource for exploring gene function,especially for obtaining a deeper understanding of AS regulation mechanisms.

关键词： Brassica oleracea Oxford nanopore technologies Gene annotation Alternative splicing

Sulfated peptides and their receptors:key regulators of plant development and stress adaptation

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Plant Communications 2024年第6期5卷 44-56页

作者： Liming He Liangfan Wu Jia Li Ministry of Education key laboratory of Cell Activities and Stress Adaptations School of Life SciencesLanzhou UniversityLanzhou 730000China Guangdong Provincial key laboratory of Plant Adaptation and Molecular Design School of Life SciencesGuangzhou UniversityGuangzhou 510006China

Four distinct types of sulfated peptides have been identiﬁed in Arabidopsis *** peptides play crucial roles in regulating plant development and stress *** studies have revealed that Xan-thomonas and Meloidogyne can secrete plant-like sulfated peptides,exploiting the plant sulfated peptide signaling pathway to suppress plant *** the past three decades,receptors for these four types of sulfated peptides have been identiﬁed,all of which belong to the leucine-rich repeat receptor-like protein kinase subfamily.A number of regulatory proteins have been demonstrated to play important roles in their corresponding signal transduction *** this review,we comprehensively summarize the discov-eries of sulfated peptides and their receptors,mainly in Arabidopsis *** also discuss their known biological functions in plant development and stress ***,we put forward a number of ques-tions for reference in future studies.

关键词： peptide hormone sulfated peptide receptor-like protein kinase plant development stress adaptation

Analysis method and experimental study of ice accumulation detection signal based on Lamb waves

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Chinese Journal of Aeronautics 2024年第8期37卷 388-403页

作者： Yanxin ZHANG Hongjian ZHANG Xian YI Binrui WU Xianlei GUAN Jianjun XIONG key laboratory of Icing and Anti/De-icing China Aerodynamics Research and Development CenterMianyang 621000China State key laboratory of Aerodynamics China Aerodynamics Research and Development CenterMianyang 621000China

A quantitative identification method for in-flight icing has the capability to significantly enhance the safety of aircraft *** guided waves have the unique advantage of detecting icing in a relatively large area,but quantitative identification of ice layers is a *** this paper,a quantitative identification method of ice accumulation based on ultrasonic guided waves is ***,a simulation model for the wave dynamics of piezoelectric coupling in three dimensions is established to analyze the propagation characteristics of Lamb waves in a structure consisting of an aluminum plate and an ice *** wavelet transform method is utilized to extract the Time of Flight(ToF)or Time of Delay(ToD)of S_(0)/B_(1) mode waves,which serves as a characteristic parameter to precisely determine and assess the level of ice ***,an experimental system is developed to evaluate the feasibility of Lamb waves-based icing real-time detection in the presence of spray ***,a combination of the Hampel median filter and the moving average filter is developed to analyze ToF/ToD *** simulation results reveal a positive correlation between geometric dimensions(length,width,thickness)of the ice layer and ToF/ToD of B1 mode waves,indicating their potential as indicators for quantifying ice *** results of real-time icing detection indicate that ToF/ToD will reach greater peak values with the growth of the arbitrary-shaped ice layer until saturation to effectively predict the simulation *** study lays a foundation for the practical application of quantitative icing detection via ultrasonic guided waves.

关键词： Ice Ice accumulation Ultrasonic sensor Ultrasonic guided wave Lamb wave Wavelet transform

WRKY33 negatively regulates anthocyanin biosynthesis and cooperates with PHR1 to mediate acclimation to phosphate starvation

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Plant Communications 2024年第5期5卷 134-147页

作者： Han Tao Fei Gao Linying Li Yuqing He Xueying Zhang Mengyu Wang Jia Wei Yao Zhao Chi Zhang Qiaomei Wang Gaojie Hong State key laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products Key Laboratory of Biotechnology in Plant Protection of the MOA of China and Zhejiang ProvinceInstitute of Virology and BiotechnologyZhejiang Academy of Agricultural SciencesHangzhou 310021China State key laboratory of Subtropical Silviculture Zhejiang Provincial Key Laboratory of Resources Protection and Innovation of Traditional Chinese MedicineZhejiang A&F UniversityHangzhou 311300China Department of Horticulture College of Agriculture and BiotechnologyZhejiang UniversityKey Laboratory of Horticultural Plant GrowthDevelopment and Quality ImprovementMinistry of AgricultureHangzhouZhejiangChina Institute of Sericulture and Tea Zhejiang Academy of Agricultural SciencesHangzhou 310000China

Anthocyanin accumulation is acknowledged as a phenotypic indicator of phosphate(Pi)***,negative regulators of this process and their molecular mechanisms remain largely *** this study,we demonstrate that WRKY33 acts as a negative regulator of phosphorus-status-dependent anthocyanin ***33 regulates the expression of the gene encoding dihydroﬂavonol 4-reductase(DFR),a rate-limiting enzyme in anthocyanin production,both directly and ***33 binds directly to the DFR promoter to repress its expression and also interferes with the MBW complex through interacting with PAP1 to indirectly inﬂuence DFR transcriptional ***�Pi conditions,PHR1 interacts with WRKY33,and the protein level of WRKY33 decreases;the repression of DFR expression by WRKY33 is thus attenuated,leading to anthocyanin accumulation in *** genetic and biochemical assays suggest that PHR1 is also involved in regulating factors that affect WRKY33 protein *** together,ourfindings reveal that Pi starvation represses WRKY33,a repressor of anthocyanin biosynthesis,tofinely tune anthocyanin ***‘‘double-negative logic’’regulation of phosphorus-status-dependent anthocyanin biosynthesis is required for the mainte-nance of plant metabolic homeostasis during acclimation to Pi starvation.

关键词： WRKY33 phosphate signaling PHR1 Arabidopsis thaliana anthocyanins

The anthocyanin formation of purple leaf is associated with the activation of LfiHY5 and LfiMYB75 in crape myrtle

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horticultural Plant Journal 2024年第5期10卷 1230-1246页

作者： Lu Feng Ping Shen Xiufeng Chi Yang Zhou Jieru Liu Tangren Cheng Jia Wang Qixiang Zhang Ming Cai Huitang Pan State key laboratory of Efficient Production of Forest Resources Beijing Key Laboratory of Ornamental Plants Germplasm Innovation&Molecular BreedingNational Engineering Research Center for FloricultureBeijing Laboratory of Urban and Rural Ecological EnvironmentKey Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants of Ministry of Education and College of Landscape ArchitectureBeijing Forestry UniversityBeijing 100083China

Purple-leafed plants not only have a higher resistance to biotic and abiotic stresses,but also have higher ornamental *** are vital for leaf color formation,growth and development of purple ***,the molecular mechanism underlying purple leaf formation in Lagerstroemia indica remains *** and transcriptomic analysis of purple-leafed cultivar‘Ebony Embers’and greenleafed cultivar‘Arapahoe’showed that the high expression of anthocyanin structure genes induced hyperaccumulation of cyanidin and pelargonidin derivatives,making the leaves ***5,LfiMYB75 and LfibHLH1 were identified using correlation analysis and weighted gene co-expression network ***‘Arapahoe’‘Ebony Embers’population,LfiHY5 and LfiMYB75 showed significant positive correlation with leaf anthocyanin *** expression of LfiMYB75 and LfiHY5 in tobacco and purple-leafed crape myrtle indicated that the two genes activated anthocyanin *** two-hybrid analysis showed that LfiMYB75 and LfibHLH1 could form a complex that enhanced anthocyanin *** monohybrid and dual-luciferase assays confirmed that LfiHY5 activated the expression of LfiMYB75,to activate the transcription of anthocyanin structural genes LfiCHS and ***,there were three alleles of LfiHY5 in crape myrtle,and the different sequences had different activation effects on *** conclusion,the results showed that LfiHY5 led to upregulate the transcription of LfiMYB75,and LfiMYB75 formed a complex with LfibHLH1,which increased the transcription level of LfiCHS and LfiANS to affect anthocyanin synthesis in crape myrtle.

关键词： Lagerstroemia indica Leaf color Anthocyanin HY5 MYB bHLH