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Plant Communications 2024年第7期5卷 1-4页

作者： Chuanji Zhao Xiaobo Cui Meili Xie Yi Zhang Lingyi Zeng Yueying Liu Junyan Huang Xiong Zhang Chaobo Tong Qiong Hu Lijiang Liu Shengyi Liu oil crops Research Institute of the Chinese Academy of Agricultural Sciences Key Laboratory of Biology and Genetic Improvement of Oil CropsMinistry of Agriculture and Rural AffairsWuhanChina These authors contributed equally to this article

Plant architecture can act as a pivotal determinant of crop yield by maximizing photosynthate accumulation in grains,but no *** rapeseed ideotype has yet been ***,semi-dwarf and compact(SDC)rapeseed plant types with the capacity to maximize silique number per hectare and seed weight per silique are expected to optimize plant architecture for groundbreaking seed yield,avoiding lodging and promoting mechanical harvest(Liu et al.,2022).In this study,we report the mutant dc1,which exhibits DC plant architecture with significantly increased silique number in the main inflorescence compared with currently cultivated high and loose(HL)plant types like those of elite cultivars(Figure 1A and Supplemental Figure 1).

关键词： elite cultivar dwarf

***2 regulates plant height by affecting the main inflorescence length and first effective branch height in Brassica napus L.

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The Crop Journal 2024年第4期12卷 1102-1111页

作者： Chengke Pang Jun Yu Liang Zhang Min Tang Hongfang Liu Ying Cai Feng Chen Jiefu Zhang Wei Hua Xiaodong Wang Ming Zheng oil crops Research Institute of the Chinese Academy of Agricultural Sciences Key Laboratory of Biology and Genetic Improvement of Oil CropsMinistry of Agriculture and Rural AffairsWuhan 430062HubeiChina key Laboratory of Cotton and Rapeseed Ministry of Agriculture and Rural AffairsKey Laboratory of Jiangsu Province for AgrobiologyInstitute of Industrial CropsJiangsu Academy of Agricultural SciencesNanjing 210014JiangsuChina National key Laboratory of Crop genetic improvement Huazhong Agricultural UniversityWuhan 430070HubeiChina

Rapeseed(Brassica napus L.)is one of the main oil crops in the world,and increasing its yield is of great significance for ensuring the safety of edible ***,improving rapeseed plant architecture is an effective way to increase rapeseed yield with higher planting ***,the regulatory mechanism of rapeseed plant architecture is poorly *** this study,a dwarf rapeseed mutant dwarf08(df08)is obtained by ethyl methane sulfonate(EMS)-*** decrease in plant height of df08 is mainly caused by the reduction in main inflorescence length and first effective branch height and controlled by a single semi-dominant *** hybrid plants(F1)show a semi-dwarf *** map-based cloning and transgenic assay,we confirm that the nonsynonymous single nucleotide variant(SNV)(C to T)in ***2,which is homologous with Arabidopsis(Arabidopsis thaliana)BIN2,is responsible for the dwarfism of ***2 interacts with BnaBZR1/BES1 and involves in brassinosteroids(BRs)signal *** to Leucine substitution in 284(P284L)enhances the protein stability of ***2-D,disrupts BRs signal transduction and affects the expression of genes regulating cell division,leading to dwarfism of *** study provides a new insight for the mechanism of rapeseed plant height regulation and creates an elite germplasm that can be used for genetic improvement of rapeseed architecture.

关键词： Brassica napus Plant height Brassinosteroids BIN2

Targeted mutations of BnPAP2 lead to a yellow seed coat in Brassica napus L.

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Journal of Integrative Agriculture 2024年第2期23卷 724-730页

作者： Wei Huang Ruyu Jiao Hongtao Cheng Shengli Cai Jia Liu Qiong Hu Lili Liu Bao Li Tonghua Wang Mei Li Dawei Zhang Mingli Yan Hunan Research Center of Heterosis Utilization in Rapeseed/Crop Research Institute Hunan Academy of Agricultural SciencesChangsha 410125China Hunan key Laboratory of Economic crops genetic improvement and Integrated Utilization/School of Life and Health Science Hunan University of Science and TechnologyXiangtan 411201China key Laboratory of biology and genetic improvement of oil crops Ministry of Agriculture and Rural Affairs/Oil Crops Research InstituteChinese Academy of Agricultural SciencesWuhan 430062China

The yellow seed trait is preferred by breeders for its potential to improve the seed quality and commercial value of Brassica *** the present study,we produced yellow seed mutants using a CRISPR/Cas9 system when the two BnPAP2 homologs were knocked *** staining of the seed coat demonstrated that proanthocyanidin accumulation was significantly reduced in the pap2 double mutants and decreased specifically in the endothelial and palisade layer cells of the seed *** and metabolite profiling analysis suggested that disruption of the BnPAP2 genes could reduce the expression of structural and regulated genes in the phenylpropanoid and flavonoid biosynthetic *** broad suppression of these genes might hinder proanthocyanidin accumulation during seed development,and thereby causing the yellow seed trait in *** results indicate that BnPAP2 might play a vital role in the regulatory network controlling proanthocyanidin accumulation.

关键词： yellow seed BnPAP2 proanthocyanidins CRISPR/Cas9

Screening and identification of salt tolerance soybean varieties and germplasms

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oil Crop Science 2024年第3期9卷 204-210页

作者： Limiao Chen Lihua Peng Wenqi Ouyang Haowen Yao Yuxin Ye Zhihui Shan Dong Cao Shuilian Chen Zhonglu Yang Yi Huang Bei Han Aihua Sha Xinan Zhou Haifeng Chen key Laboratory of biology and genetic improvement of oil crops Ministry of Agriculture and Rural AffairsOil Crops Research Institute of Chinese Academy of Agricultural SciencesWuhan430062China College of Agriculture Yangtze UniversityJingzhou434000China

Soil salinization is a globally prevalent abiotic environmental *** imbalance of ions caused by high concentrations of sodium chloride results in a 40%reduction in soybean ***,as an important crop for soil quality improvement,necessitates the identification of salt-tolerant varieties and germplasms to effectively utilize and enhance saline-alkali *** this study,we assessed the salt tolerance of 435 soybean varieties and germplasms during the seedling *** them,Qihuang34,You2104,Hongzhudou,Pamanheidou,and Osage exhibited grade 1 salt tolerance rates surpassing other tested ***,Hongzhudou and Qihuang34 demonstrated higher salt tolerance during germination and emergence stages based on their elevated rates of emergence,salt tolerance index,chlorophyll content,and shoot fresh *** findings provide valuable resources for molecular breeding efforts aimed at developing salt-tolerant soybean varieties suitable for cultivation in saline-alkali soils.

关键词： Soybean Varieties Germplasms Salt tolerance Seedling stage Germination and emergence stage

Genome-wide association study of seedling nitrogen-use efficiency-associated traits in common wheat(Triticum aestivum L.)

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The Crop Journal 2024年第1期12卷 222-231页

作者： Huawei Shi Weichong Wang Lifeng Gao Jirong Wu Chengmei Hu Huishu Yan Yugang Shi Ning Li Youzhi Ma Yongbin Zhou Zhaoshi Xu Jun Chen Wensi Tang Kai Chen Daizhen Sun Yuxiang Wu Ming Chen College of Agriculture Shanxi Agricultural UniversityJinzhong 030801ShanxiChina National key Facility for Crop Gene Resources and genetic improvement Key Laboratory of Biology and Genetic Improvement of Triticeae CropsMinistry of AgricultureInstitute of Crop SciencesChinese Academy of Agricultural SciencesBeijing 100081China

Nitrogen(N)fertilizer application is essential for crop-plant growth and *** genetic loci associated with N-use efficiency(NUE)could increase wheat yields and reduce environmental pollution caused by *** subjected a panel of 389 wheat accessions to N and chlorate(a nitrate analog)treatments to identify quantitative trait loci(QTL)controlling NUE-associated traits at the wheat seedling *** the panel with a 660K single-nucleotide polymorphism(SNP)array,we identified 397 SNPs associated with N-sensitivity index and chlorate inhibition *** SNPs were merged into 49 QTL,of which eight were multi-environment stable QTL and 27 were located near previously reported QTL.A set of 135 candidate genes near the 49 QTL included TaBOX(F-box family protein)and TaERF(ethylene-responsive transcription factor).A Tabox mutant was more sensitive to low-N stress than the wild-type *** developed two functional markers for Hap 1,the favorable allele of TaBOX.

关键词： Wheat NUE Genome-wide association study Nitrogen sensitive index Chlorate inhibition rate

OcBSA:An NGS-based bulk segregant analysis tool for outcross populations

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Molecular Plant 2024年第4期17卷 648-657页

作者： Lingkui Zhang Yanfeng Duan Zewei Zhang Lei Zhang Shumin Chen Chengcheng Cai Shaoguang Duan Kang Zhang Guangcun Li Feng Cheng State key Laboratory of Vegetable Biobreeding Key Laboratory of Biology and Genetic Improvement of Horticultural Crops of the Ministry of Agriculture and Rural AffairsKey Laboratory of Biology and Genetic Improvement of Tuber and Root Crop of Ministry of Agriculture and Rural AffairsSino-Dutch Joint Laboratory of Horticultural GenomicsInstitute of Vegetables and FlowersChinese Academy of Agricultural SciencesBeijing 100081China

Constructing inbred lines for self-incompatible species and species with long generation times is challenging,making the use of F1 outcross/segregating populations the main strategy for genetic studies of such ***,there is a lack of dedicated algorithms/tools for rapid quantitative trait locus(QTL)mapping using the F1 *** this end,we have designed and developed an algorithm/tool called OcBSA specifically for QTL mapping of F1 *** transforms the four-haplotype inheritance problem from the two heterozygous diploid parents of the F1 population into the two-haplotype inheritance problem common in current genetic studies by removing the two haplotypes from the heterozygous parent that do not contribute to phenotype segregation in the F1 *** of OcBSA on 1800 simulated F1 populations demonstrated its advantages over other currently available tools in terms of sensitivity and *** addition,the broad applicability of OcBSA was validated by QTL mapping using seven reported F1 populations of apple,pear,peach,citrus,grape,tea,and *** also used OcBSA to map the QTL for flower color in a newly constructed F1 population of potato generated in this *** OcBSA mapping result was verified by the insertion or deletion markers to be consistent with a previously reported locus harboring the ANTHOCYANIN 2 gene,which regulates potato flower *** together,these results highlight the power and broad utility of OcBSA for QTL mapping using F1 populations and thus a great potential for functional gene mining in outcrossing *** ease of use,we have developed both Windows and Linux versions of OcBSA,which are freely available at:https://***/Bioinformaticslab/OcBSA.

关键词： outcross BSA self-incompatible F1 population QTL mapping potato

Functional prediction of tomato PLATZ family members and functional verification of Sl PLATZ17

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Journal of Integrative Agriculture 2024年第1期23卷 141-154页

作者： Min Xu Zhao Gao Dalong Li Chen Zhang Yuqi Zhang Qian He Yingbin Qi He Zhang Jingbin Jiang Xiangyang Xu Tingting Zhao College of Horticulture and Landscape Architecture Northeast Agricultural UniversityHarbin 150030China key Laboratory of biology and genetic improvement of Horticultural crops(Northeast Region) Ministry of Agriculture and Rural AffairsHarbin 150030China

PLATZ is a novel zinc finger DNA-binding protein that plays an important role in regulating plant growth and development and resisting abiotic ***,there has been very little research on the function of this family gene in tomatoes,which limits its application in germplasm resource ***,the PLATZ gene family was identified and analyzed in tomato,and its roles were predicted and verified to provide a basis for in-depth research on SlPLATZ gene *** this study,the PLATZ family members of tomato were identified in the whole genome,and 19 SlPLATZ genes were *** prediction was conducted based on gene and promoter structure analysis and RNA-seq-based expression pattern *** genes that responded significantly under different abiotic stresses or were significantly differentially expressed among multiple tissues were screened as functional gene ***17 was selected for functional verification by experiment-based *** results showed that the downregulation of SlPLATZ17 gene expression reduced the drought and salt tolerance of tomato *** plants overexpressing SlPLATZ17 had larger flower sizes and long,thin petals,adjacent petals were not connected at the base,and the stamen circumference was *** study contributes to understanding the functions of the SlPLATZ family in tomato and provides a reference for functional gene screening.

关键词： tomato PLATZ family abiotic stresses plant development

Hydrogen peroxide sulfenylates and inhibits the photorespiratory enzyme PGLP1 to modulate plant thermotolerance

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Plant Communications 2024年第6期5卷 139-153页

作者： Zheng-Wei Fu Feng Ding Bing-Lei Zhang Wen-Cheng Liu Zi-Hong Huang Shi-Hang Fan Yu-Rui Feng Ying-Tang Lu Wei Hua key Laboratory of biology and genetic improvement of oil crops Ministry of Agriculture and Rural AffairsOil Crops Research Institute of the Chinese Academy of Agricultural SciencesWuhan 430062China State key Laboratory of Hybrid Rice College of Life SciencesWuhan UniversityWuhan 430072China School of Landscape and Ecological Engineering Hebei University of EngineeringHandan 056038China State key Laboratory of Crop Stress Adaptation and improvement School of Life SciencesHenan UniversityKaifeng 475004China Hubei Hongshan Laboratory Wuhan 430070China

Climate change is resulting in more frequent and rapidly changing temperatures at both extremes that severely affect the growth and production of plants,particularly *** stress caused by high temperatures is one of the most damaging factors for ***,the role of hydrogen peroxide(H_(2)O_(2))in modulating plant thermotolerance is largely unknown,and the regulation of photorespiration essential for C3 species remains to be fully ***,we report that heat stress promotes H2O2 accumulation in chloroplasts and that H2O2 stimulates sulfenylation of the chloroplast-localized photorespiratory enzyme 2-phosphoglycolate phosphatase 1(PGLP1)at cysteine 86,inhibiting its activity and promoting the accumulation of the toxic metabolite *** also demonstrate that PGLP1 has a positive function in plant thermotolerance,as PGLP1 antisense lines have greater heat sensitivity and PGLP1-overexpressing plants have higher heat-stress tolerance than the wild ***,our results demonstrate that heat-induced H2O2 in chloroplasts sulfenylates and inhibits PGLP1 to modulate plant ***,targeting CATALASE2 to chloroplasts can largely prevent the heatinduced overaccumulation of H2O2 and the sulfenylation of PGLP1,thus conferring thermotolerance without a plant growth *** findings reveal that heat-induced H2O2 in chloroplasts is important for heat-caused plant damage.

关键词： heat stress photorespiration hydrogen peroxide PGLP1 2-phosphoglycolate

DIA-based proteome profiling with PRM verification reveals the involvement of ER-associated protein processing in pollen abortion in Ogura CMS cabbage

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Horticultural Plant Journal 2024年第3期10卷 755-770页

作者： Peiwen Wang Lin Zhu Ziheng Li Mozhen Cheng Xiuling Chen Aoxue Wang Chao Wang Xiaoxuan Zhang key Laboratory of biology and genetic improvement of Horticultural crops(Northeast Region) Ministry of Agriculture and Rural AffairsNortheast Agricultural UniversityHarbinHeilongjiang 150030China College of Horticulture and Landscape Architecture Northeast Agricultural UniversityHarbinHeilongjiang 150030China

Ogura cytoplasmic male sterility(Ogura CMS)is extensively applied in hybrid seed production in cruciferous ***,the posttranscriptional molecular basis of Ogura CMS in cruciferous crops remains ***,a data-independent acquisition-based proteomic approach coupled with a parallel reaction monitoring-based targeted proteomic assay was used to analyze the proteome dynamics of Ogura CMS cabbage line RM and its maintainer line RF during floral bud development to obtain insights into the mechanism underlying Ogura CMS in cruciferous crops.A total of 9162 proteins corresponding to 61464 peptides were identified in RM and RF floral *** proteomic fluctuation of RM was weaker than that of *** in protein expression between RM and RF gradually enlarged with floral bud *** continually up-regulated and eight continually down-regulated proteins were found in RM relative to RF throughout floral bud *** expressed proteins between RM and RF during floral bud development were implicated in the endoplasmic reticulum(ER)-associated protein processing pathway,in which most of them exhibited down-regulated expression in *** data suggest that ER-associated protein processing may be involved in pollen abortion in Ogura CMS cabbage by inhibiting the expression of critical *** findings not only deepen the understanding of the molecular mechanisms of Ogura CMS in cruciferous crops but also provide better guidance for applying Ogura CMS in the hybrid breeding of cruciferous crops.

关键词： Ogura cytoplasmic male sterility(Ogura CMS) Cabbage Data-independent acquisition(DIA) Parallel reaction monitoring(PRM) Pollen development

IbNIEL-mediated degradation of IbNAC087 regulates jasmonic acid-dependent salt and drought tolerance in sweet potato

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Journal of Integrative Plant biology 2024年第2期66卷 176-195页

作者： Xu Li Zhen Wang Sifan Sun Zhuoru Dai Jun Zhang Wenbin Wang Kui Peng Wenhao Geng Shuanghong Xia Qingchang Liu Hong Zhai Shaopei Gao Ning Zhao Feng Tian Huan Zhang Shaozhen He key Laboratory of Sweet Potato biology and Biotechnology Ministry of Agriculture and Rural Affairs/Beijing Key Laboratory of Crop Genetic Improvement/Laboratory of Crop Heterosis&Utilization and Joint Laboratory for International Cooperation in Crop Molecular BreedingMinistry of EducationCollege of Agronomy&BiotechnologyChina Agricultural UniversityBeijing 100193China Sanya Institute of China Agricultural University Sanya 572025China State key Laboratory of Plant Physiology and Biochemistry National Maize Improvement CenterKey Laboratory of Biology and Genetic Improvement of MaizeBeijing Key Laboratory of Crop Genetic ImprovementChina Agricultural UniversityBeijing 100193China

Sweet potato(Ipomoea batatas[L.]Lam.)is a crucial staple and bioenergy *** abiotic stress tolerance holds significant importance in fully utilizing marginal *** processes regulate abiotic stress responses,yet the molecular regulatory mechanisms in sweet potato remain *** this study,a NAC(NAM,ATAF1/2,and CUC2)transcription factor,IbNAC087,was identified,which is commonly upregulated in salt-and drought-tolerant *** of IbNAC087 increased salt and drought tolerance by increasing jasmonic acid(JA)accumulation and activating reactive oxygen species(ROS)scavenging,whereas silencing this gene resulted in opposite ***-rich IbNAC087-OE(overexpression)plants exhibited more stomatal closure than wild-type(WT)and IbNAC087-Ri plants under NaCl,polyethylene glycol,and methyl jasmonate ***087 functions as a nuclear transcriptional activator and directly activates the expression of the key JA biosynthesisrelated genes lipoxygenase(IbLOX)and allene oxide synthase(IbAOS).Moreover,IbNAC087 physically interacted with a RING-type E3 ubiquitin ligase NAC087-INTERACTING E3 LIGASE(IbNIEL),negatively regulating salt and drought tolerance in sweet *** ubiquitinated IbNAC087 to promote 26S proteasome degradation,which weakened its activation on IbLOX and *** findings provide insights into the mechanism underlying the IbNIEL-IbNAC087 module regulation of JA-dependent salt and drought response in sweet potato and provide candidate genes for improving abiotic stress tolerance in crops.

关键词： abiotic tolerance IbNAC087 IbNIEL JA sweet potato