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Adenine nucleotide translocase 2(Ant2)is required for individualization of spermatogenesis of Drosophila melanogaster

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Insect Science 2024年第4期31卷 1055-1072页

作者： Zhen He Yang Fang Fengchao Zhang Yang Liu Xinkai Cheng Jiajia Wang Dechen Li Dengsong Chen Fan Wu industrial crops institute Hubei Academy of Agriculture SciencesWuhanChina institute of Evolution&Marine Biodiversity Ocean University of ChinaQingdaoShandong ProvinceChina

Successful completion of spermatogenesis is crucial for the perpetuation of the *** Drosophila,spermatid individualization,a process involving changes in mitochondrial structure and function is critical to produce functional mature ***2,encoding a mitochondrial adenine nucleotide translocase,is highly expressed in male testes and plays a role in energy metabolism in the ***,its molecular function remains ***,we identified an important role of Ant2 in spermatid *** Ant2 knockdown testes,spermatid individualization complexes composed of F-actin cones exhibited a diffuse distribution,and mature sperms were absent in the seminal vesicle,thus leading to male *** most striking effects in Ant2-knockdown spermatids were decrease in tubulin polyglycylation and disruption of proper mitochondria derivatives *** apoptotic cells were also observed in Ant2-knockdown *** further investigate the phenotype of Ant2 knockdown in testes at the molecular level,complementary transcriptome and proteome analyses were *** the mRNA level,868 differentially expressed genes were identified,of which 229 genes were upregulated and 639 were downregulated induced via Ant2 ***-labeling proteome analysis revealed 350 differentially expressed proteins,of which 117 proteins were upregulated and 233 were *** expression of glutathione transferase(GstD5,GstE5,GstE8,and GstD3),proteins involved in reproduction were significantly regulated at both the mRNA and protein *** results indicate that Ant2 is crucial for spermatid maturation by affecting mitochondrial morphogenesis.

关键词： adenine nucleotide translocase Drosophila melanogaster individualization complexes mitochondria spermatogenesis tubulin polyglycylation

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GhWRKY75 positively regulates GhPR6-5b via binding to a W-box TTGAC(C/T)to orchestrate cotton resistance to Verticillium dahliae

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Journal of Integrative Agriculture 2024年第10期23卷 3343-3357页

作者： Qichao Chai Meina Zheng Yanli Li Mingwei Gao Yongcui Wang Xiuli Wang Chao Zhang Hui Jiang Ying Chen Jiabao Wang Junsheng Zhao institute of industrial crops Shandong Academy of Agricultural SciencesJinan 250100China College of Life Sciences Shandong Normal UniversityJinan 250014China

Verticillium dahliae is an important fungal pathogen affecting cotton yield and ***,the mining of ***-resistance genes is urgently *** and protease inhibitors play crucial roles in plant defense ***,the functions and regulatory mechanisms of the protease inhibitor PR6 gene family remain largely *** study provides a comprehensive analysis of the PR6 gene family in the cotton *** performed genome-wide identification and functional characterization of the cotton GhPR6 gene family,which belongs to the potato protease inhibitor I family of ***-nine PR6s were identified in Gossypium arboreum,***,***,and ***,and they were clustered into four *** on the analysis of pathogen-induced and Ghlmm transcriptome data,Gh PR6-5b was identified as the key gene for *** ***-induced gene silencing experiments revealed that cotton was more sensitive to *** V991after PR6-5b *** present study established that GhWRKY75 plays an important role in resistance to Verticillium wilt in cotton by positively regulating GhPR6-5b expression by directly binding to the W-box TTGAC(T/C).Our findings established that GhWRKY75 is a potential candidate for improving cotton resistance to ***,and provide primary information for further investigations and the development of specific strategies to bolster the defense mechanisms of cotton against ***.

关键词： cotton proteinase inhibitors WRKY transcription factor Verticillium wilt

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Optimized tillage methods increase mechanically transplanted rice yield and reduce the greenhouse gas emissions

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Journal of Integrative Agriculture 2024年第4期23卷 1150-1163页

作者： Shuang Cheng Zhipeng Xing Chao Tian Mengzhu Liu Yuan Feng Hongcheng Zhang Jiangsu Key Laboratory of Crop Cultivation and Physiology/Jiangsu Co-innovation Center for Modern Production Technology of Grain crops/Research institute of Rice industrial Engineering Technology Yangzhou UniversityYangzhou 225009China

Biaxia lrotary tillage in dryland(DBRT)can complete biaxial rotary tillage with straw incorporation,secondary suppression,and ditching,and it has been previously studied in direct-seeded rice and ***,the effects of DBRT on the mechanically transplanted rice yield and greenhouse gas emissions remain *** evaluate the effects of DBRT on improving the food security of mechanically transplanted rice and reducing the greenhouse gas emissions,we conducted an experiment for two years with wheat straw *** tillage methods were set up:DBRT,uniaxial rotary tillage in dryland and paddy(DPURT),and uniaxial rotary tillage in paddy(PURT).The results showed that compared with DPURT and PURT,DBRT increased the yield of machine-transplanted rice by 7.5-11.0%and 13.3-26.7%,respectively,while the seasonal cumulative CH_(4) emissions were reduced by 13.9-21.2%and 30.2-37.0%,respectively,and the seasonal cumulative N_(2)O emissions were increased by 13.5-28.6%and 50.0-73.1%,***,DBRT reduced the global warming potential by 10.7-15.5%and 23.7-28.6%,respectively,andtheyield-scaledglobalwarmingpotentialby18.2-21.8%and36.4-39.3%,respectively,compared to DPURT and *** results were mainly related to the fact that DBRT significantly reduced soil bulk density and increased soil redox potential(Eh).Therefore,implementing DBRT in machine-transplanted rice fields is feasible,which cannot only increase the rice yield,but also reduce the greenhouse gas emissions.

关键词： integrated tillage rice grain yield CH_(4) N_(2)O

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***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

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Resolved concerns after 28 years of Bt cottonin China

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Journal of Cotton Research 2024年第3期7卷 334-337页

作者： ZHANG Yanjun DONG Hezhong institute of industrial crops Shandong Academy of Agricultural SciencesJinan 250100China

Bacillus thuringiensis Berliner(Bt)cotton was widely grown in China from *** then,it has resulted in many misunderstandings and concerns about Bt ***,extensive research and practical experience over the past 28 years in China have led to the resolution of many of these *** short review explores how the concerns has been resolved,and provides valuable insights for the future utilization of genetically modified products.

关键词： Bt cotton Concerns Resolution

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Straw return increases crop production by improving soil organic carbon sequestration and soil aggregation in a long-term wheat-cotton cropping system

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Journal of Integrative Agriculture 2024年第2期23卷 669-679页

作者： Changqin Yang Xiaojing Wang Jianan Li Guowei Zhang Hongmei Shu Wei Hu Huanyong Han Ruixian Liu Zichun Guo institute of industrial crops Jiangsu Academy of Agricultural Sciences/Key Laboratory of Cotton and RapeseedMinistry of Agriculture and Rural AffairsNanjing 210014China College of Life Sciences and Food Engineering Huaiyin Institute of TechnologyHuai’an 223003China College of Agriculture Nanjing Agricultural UniversityNanjing 210095China Cotton Research institute Xinjiang Academy of Agricultural and Reclamation ScienceShihezi 832000China institute of Soil Science Chinese Academy of Sciences/State Key Laboratory of Soil and Sustainable AgricultureNanjing 210008China

Straw return is a promising strategy for managing soil organic carbon(SOC)and improving yield ***,the optimal straw return strategy for sustainable crop production in the wheat(Triticum aestivum L.)-cotton(Gossypium hirsutum L.)cropping system remains *** objective of this study was to quantify the long-term(10 years)impact of carbon(C)input on SOC sequestration,soil aggregation and crop yields in a wheat-cotton cropping system in the Yangtze River Valley,*** treatments were arranged with a single-factor randomized design as follows:no straw return(Control),return of wheat straw only(Wt),return of cotton straw only(Ct),return of 50%wheat and 50%cotton straw(Wh-Ch)and return of 100%wheat and 100%cotton straw(Wt-Ct).In comparison to the Control,the SOC content increased by 8.4 to 20.2%under straw return.A significant linear positive correlation between SOC sequestration and C input(1.42-7.19 Mg ha^(−1)yr^(−1))(P2 and 1-2 mm at the 0-20 cm soil depth were also significantly elevated under straw return,with the greatest increase of the aggregate stability in the Wt-Ct treatment(28.1%).The average wheat yields increased by 12.4-36.0%and cotton yields increased by 29.4-73.7%,and significantly linear positive correlations were also detected between C input and the yields of wheat and *** average sustainable yield index(SYI)reached a maximum value of 0.69 when the C input was 7.08 Mg ha^(−1)yr^(−1),which was close to the maximum value(SYI of 0.69,C input of 7.19 Mg ha^(−1)yr^(-1))in the Wt-Ct ***,the return of both wheat and cotton straw was the best strategy for improving SOC sequestration,soil aggregation,yields and their sustainability in the wheat-cotton rotation system.

关键词： straw return crop yields SOC soil aggregates wheat-cotton cropping system

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Natural variations of HvSRN1 modulate the spike rachis node number in barley

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Plant Communications 2024年第1期5卷 148-163页

作者： Chaofeng Fan Dongdong Xu Chunchao Wang Zhaoyan Chen Tingyu Dou Dandan Qin Aikui Guo Meng Zhao Honghong Pei Mengwei Zhao Renxu Zhang Ke Wang Jing Zhang Zhongfu Ni Ganggang Guo Key Laboratory of Grain Crop Genetic Resources Evaluation and Utilization(MARA) The National Key Facility for Crop Gene Resources and Genetic ImprovementInstitute of Crop SciencesChinese Academy of Agricultural Sciences(ICS-CAAS)Beijing 100081China Hainan Yazhou Bay Seed Laboratory Sanya 572025China institute of industrial crops Shandong Academy of Agricultural SciencesJinan 250100China Key Laboratory of Crop Heterosis and Utilization Beijing Key Laboratory of Crop Genetic ImprovementChina Agricultural UniversityBeijing 100193China Key Laboratory for Crop Molecular Breeding of Ministry of Agriculture and Rural Affairs Institute of Food CropsHubei Academy of Agricultural SciencesWuhan 430064China

Grain number,one of the major determinants of yield in Triticeae crops,is largely determined by spikelet number and spike rachis node number(SRN).Here,we identified three quantitative trait loci(QTLs)for SRN using 145 recombinant inbred lines derived from a barley R90/1815D ***1,the major-effect QTL,was mapped to chromosome 2H and explained up to 38.77%of SRN ***-based cloning revealed that qSRN1 encodes the RAWUL domain-containing protein *** analysis revealed that two key SNPs in the HvSRN1 promoter region(-2 kb upstream of the transcription start site)affect the transcript level of HvSRN1 and contribute to variation in *** to its orthologous proteins OsLAX2 and ZmBA2,HvSRN1 showed protein–protein interactions with HvLAX1,suggesting that the LAX2–LAX1 model for spike morphology regulation may be conserved in Poaceae ***-Cas9-induced HvSRN1 mutants showed reduced SRN but increased grain size and weight,demonstrating a trade-off *** results shed light on the role of HvSRN1 variation in regulating the balance between grain number and weight in barley.

关键词： barley fine-mapping grain number kernel weight

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Development of a rapid and efficient system for CR genes identification based on hairy root transformation in Brassicaceae

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Horticultural Plant Journal 2024年第4期10卷 1049-1060页

作者： Wenlin Yu Lu Yang Yuanyuan Xiang Rongde Li Xueqing Zhou Longcai Gan Xianyu Xiang Yunyun Zhang Lei Yuan Yanqing Luo Genze Li Youning Wang Yinhua Chen Peng Chen Chunyu Zhang National Key Laboratory of Crop Genetic Improvement and College of Plant Science and Technology Huazhong Agricultural UniversityWuhanHubei 430070China National Key Laboratory for Tropical Crop Breeding Sanya Nanfan Research InstituteHainan UniversitySanyaHainan 572025China National Agro-Tech Extension and Service Center Beijing 100125China industrial crops Research institute Yunnan Academy of Agricultural SciencesKunmingYunnan 650221China College ofAgronomy NorthwestA&F UniversityYanglingShaanxi712100China

Many economically important crops and vegetables belonging to the cruciferous family are heavily endangered by clubroot disease caused by Plasmodiophora brassicae *** of clubroot resistant cultivars based on mapping and cloning of resistant genes is commonly regarded as the most cost-effective and efficient way to fight against this *** traditional way of R gene functional validation requires stable transformation that is both time-and *** this study,a rapid and efficient hairy-root transgenic protocol mediated by Agrobacterium rhizogenes was *** transformation positive rate was over 80%in Brassica napus showed by GUS reporter gene and this transformation only took 1/6 of the time compared with stable *** system was applicable to different *** varieties and other cruciferous crops including Brassica rapa and Brassica *** particular,two known CR genes,CRA3.7.1 and CRA8.2.4 were used respectively,as example to show that the system works well for CR gene study combined with subsequent *** infection in *** importantly,it works both in over-expression that led to disease resistance,as well as in RNAi which led to disease susceptible ***,this system can be used in batch-wise identification of CR genes,and also offered the possibility of manipulating key genes within the *** genome that could improve our knowledge on host-pathogen interaction.

关键词： Brassicaceae Agrobacterium rhizogenes Hairy root transformation Clubroot Gene function

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Grain Yield,Biomass Accumulation,and Leaf Photosynthetic Characteristics of Rice under Combined Salinity-Drought Stress

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Rice science 2024年第1期31卷 118-128,I0023页

作者： WEI Huanhe GENG Xiaoyu ZHANG Xiang ZHU Wang ZHANG Xubin CHEN Yinglong HUO Zhongyang ZHOU Guisheng MENG Tianyao DAI Qigen Jiangsu Key Laboratory of Crop Cultivation and Physiology/Jiangsu Key Laboratory of Crop Genetics and Physiology/Jiangsu Co-Innovation Center for Modern Production Technology of Grain crops/Key Laboratory of Saline-Alkali Soil Reclamation and Utilization in Coastal Areas the Ministry of Agriculture and Rural Affairs of China/Research Institute of Rice Industrial Engineering TechnologyYangzhou UniversityYangzhou 225009China institute of Agricultural Science and Technology Development/Joint International Research Laboratory of Agriculture and Agri-Product Safety the Ministry of Education of ChinaYangzhou UniversityYangzhou 225009China

Simultaneous stresses of salinity and drought often coincide during rice-growing seasons in saline lands,primarily due to insufficient water resources and inadequate irrigation ***,combined salinity-drought stress poses a major threat to rice *** this study,two salinity levels(NS,non-salinity;HS,high salinity)along with three drought treatments(CC,control condition;DJ,drought stress imposed at jointing;DH,drought stress imposed at heading)were performed to investigate their combined influences on leaf photosynthetic characteristics,biomass accumulation,and rice yield ***,drought,and their combination led to a shortened growth period from heading to maturity,resulting in a reduced overall growth *** yield was reduced under both salinity and drought stress,with a more substantial reduction under the combined salinity-drought *** combined stress imposed at heading caused greater yield losses in rice compared with the stress imposed at ***,the combined salinity-drought stress induced greater decreases in shoot biomass accumulation from heading to maturity,as well as in shoot biomass and nonstructural carbohydrate(NSC)content in the stem at heading and ***,it increased the harvest index and NSC remobilization *** and drought reduced the leaf area index and SPAD value of flag leaves and weakened the leaf photosynthetic characteristics as indicated by lower photosynthetic rates,transpiration rates,and stomatal *** reductions were more pronounced under the combined ***,drought,and especially their combination,decreased the activities of ascorbate peroxidase,catalase,and superoxide dismutase,while increasing the contents of malondialdehyde,hydrogen peroxide,and superoxide *** results indicated a more significant yield loss in rice when subjected to combined salinity-drought *** individual and combined stresses of salinity and dro

关键词： antioxidant defense system combined salinity-drought stress drought stress photosynthetic characteristics rice salinity stress

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The NAC transcription factor LuNAC61 negatively regulates fiber development in flax (Linum usitatissimum L.)

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Journal of Integrative Agriculture 2024年第3期23卷 795-805页

作者： Dongwei Xie Jing Li Wan Li Lijun Sun Zhigang Dai Wenzhi Zhou Jianguang Su Jian Sun School of Life Sciences Nantong UniversityNantong 226019China institute of Crop Cultivation and Tillage Heilongjiang Academy of Agricultural SciencesHarbin 150086China institute of Bast Fiber crops Chinese Academy of Agricultural SciencesChangsha 410221China Jiangsu Sanshu Biotechnology Co.Ltd. Nantong 226001China

Flax is a crucial fiber crop that exhibits excellent textile properties and serves as a model plant for investigating phloem fiber development. The regulation of multiple genes significantly influences fiber development, notably involving NAC(NAM, ATAF1/2, CUC2) transcription factors in forming the fiber secondary cell wall(SCW).Overexpression of LuNAC61 in flax resulted in sparse top meristematic zone leaves and significantly reduced stem cellulose content. Scanning electron microscopy and staining observations revealed a significant reduction in fiber bundles. β-Glucuronidase(GUS) staining analysis demonstrated high activity of the LuNAC61 promoter in the bast fibers of the flax stem. Additionally, several members of the LuPLATZ and LuCesA families exhibited significant coexpression with LuNAC61. Subcellular localization indicated the presence of LuPLATZ24 protein in the nucleus and cytoplasm, LuNAC61 protein exclusively in the nucleus, and LuCesA10 in the nucleus and endoplasmic reticulum. LuPLATZ24 positively regulates LuNAC61, whereas LuNAC61 negatively affects LuCesA10, suggesting the involvement of a metabolic network in regulating flax fiber development. In conclusion, this study provides a critical opportunity for a comprehensive and in-depth analysis of the mechanisms governing flax fiber development and the potential use of biotechnology to enhance flax fiber yield.

关键词： flax fiber development Lu NAC61 gene function gene interaction

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