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Histological,transcriptomic,and gene functional analyses reveal the regulatory events underlying gibberellin-induced parthenocarpy in tomato

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Horticultural Plant Journal 2024年第1期10卷 156-170页

作者： Shaobo Niu Yu He Siwei Yan Zhengliang Sun Run Cai Yan Zhang shaanxi Engineering research center for Vegetables College of HorticultureNorthwest A&F UniversityYanglingShaanxi 712100China

Gibberellin(GA)is one of the major plant hormones that promote parthenocarpy,a highly valuable agronomic ***,we demonstrated that exogenous GA3application triggered the formation of parthenocarpic fruits with smaller size but unchanged shape in tomato(Solanum lycopersicum).These fruits exhibited a thicker pericarp,undeveloped ovules,and few jelly tissues,leading to smaller locules with empty *** investigation showed that GA treatment produced more cell layers with larger cells in the pericarp,suggesting its promotion in both cell division and *** analyses between GA-3and mock-treated unpollinated ovaries/fruits identified a large number of differentially expressed genes related to hormones,cell division,cell expansion,and transcription factors,implying that they coordinately regulated parthenocarpy conferred by *** particular,the downregulation of five reported repressors of tomato parthenocarpy,including two auxin signaling components,AUXIN RESPONSE FACTOR5(SlARF5)and Sl ARF7,and three MADS-box genes,TOMATO APETALA3(TAP3),TOMATO PISTILLATA(TPI),and AGAMOUS-LIKE6(SlAGL6),after GA treatment might play a key role in this ***,we found that the knockdown of a GA signaling factor SlMYB33,which was depressed by GA treatment,induced parthenocarpic fruit set in tomato,an effect that might have been achieved by enhancing GA biosynthesis and decreasing the expression of some repressors of tomato ***,our results provide a basis for understanding the regulatory mechanism of GA in tomato parthenocarpy.

关键词： Tomato Gibberellin Parthenocarpy Histology Transcriptome SlMYB33

Coupling Coordination Analysis of Cropland Intensification and Agroecosystem Services:Evidence from Loess Plateau in shaanxi Province,China

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Chinese Geographical Science 2024年第3期34卷 401-419页

作者： FU Shaowu FU Mengyu QIU Menglong center for Land Resource research in Northwest China Shaanxi Normal UniversityXi’an 710119China

One of the greatest challenges in the agroecosystem is to improve cropland intensification while preserving agroecosystem *** many studies have investigated the effect of cropland intensification on agroecosystem service,the interactive coupling and coordination among these factors remain largely *** view of this,this study performed a case study of the Loess Plateau in shaanxi Province,China and constructed comprehensive evaluation models to quantify the cropland intensification and agroecosystem service in this *** analysis and the coupling coordination degree model were used to evaluate the interactive relationship between cropland intensification and agroecosystem service,and statistical analysis and spatial autocorrelation were used to analyze the spatial characteristics and potential mechanism of the coupling *** show that both the cropland intensification and agroecosystem service in the study area were relatively low yet gradually increased from 2000 to *** service lag was identified as the dominant unbalanced development *** the supply capacity of agroecosystem services plays a key role in the balanced development of cropland in the Loess *** coupling coordination degree between cropland intensification and agroecosystem service ranges from basic coordination to serious ***,cropland intensification practices in the area should be optimized to enhance this coordination *** upward trend was also observed in the coupling coordination degree from2000 to *** withdrawal of marginal cropland in the Grain for Green program is one of the most important reasons for this trend,especially for the northern *** 83.6%of the high-high clusters are concentrated in the southern region of the Loess Plateau,whereas 70.5%of the low-low clusters are distributed in the northern *** clustering characteristics are mainly attributed to the environmental

关键词： cropland intensification agroecosystem services balance analysis coupling coordination degree Loess Plateau,China

Spatially resolved transcriptomic profiling of placental development in dairy cow

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Zoological research 2024年第3期45卷 586-600页

作者： Guang-Hui Tan Shi-Jie Liu Ming-Le Dou De-Feng Zhao Ao Zhang Heng-Kuan Li Fu-Nong Luo Tao Shi Hao-Ping Wang Jing-Yuan Lei Yong Zhang Yu Jiang Yi Zheng Fei Wang Key Laboratory of animal Genetics Breeding and Reproduction of Shaanxi ProvinceCollege of Animal Science and TechnologyNorthwest A&F UniversityYanglingShaanxi 712100China Key Laboratory of Livestock Biology Northwest A&F UniversityYanglingShaanxi 712100China Key Laboratory of animal Biotechnology of the Ministry of Agriculture Northwest A&F UniversityYanglingShaanxi 712100China College of Information Engineering Northwest A&F UniversityYanglingShaanxi 712100China

The placenta plays a crucial role in successful mammalian *** animals possess a semi-invasive placenta characterized by a highly vascularized structure formed by maternal endometrial caruncles and fetal placental cotyledons,essential for full-term fetal *** cow placenta harbors at least two trophoblast cell populations:uninucleate(UNC)and binucleate(BNC)***,the limited capacity to elucidate the transcriptomic dynamics of the placental natural environment has resulted in a poor understanding of both the molecular and cellular interactions between trophoblast cells and niches,and the molecular mechanisms governing trophoblast differentiation and *** fill this knowledge gap,we employed Stereo-seq to map spatial gene expression patterns at near single-cell resolution in the cow placenta at 90 and 130 days of gestation,attaining high-resolution,spatially resolved gene expression *** on clustering and cell marker gene expression analyses,key transcription factors,including YBX1 and NPAS2,were shown to regulate the heterogeneity of trophoblast cell *** communication and trajectory analysis provided a framework for understanding cell-cell interactions and the differentiation of trophoblasts into BNCs in the placental *** analysis of cell trajectories identified a set of genes involved in regulation of trophoblast ***,spatial modules and co-variant genes that help shape specific tissue structures were ***,these findings provide foundational insights into important biological pathways critical to the placental development and function in cows.

关键词： Spatial transcriptomics Dairy cow Placenta Gestation

The origin of two divergent ovine β-globin haplotypes and their potential association with environmental adaptation

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Journal of Genetics and Genomics 2024年第8期51卷 877-879页

作者： Yuxin Kang Yilin Liang Fengting Fan Hojjat Asadollahpour Nanaei Chunna Cao Yu Jiang Xianyong Lan Chuanying Pan Ran Li College of animal Science and Technology Northwest A&F UniversityYanglingShaanxi 712100China Key Laboratory of Livestock Biology Northwest A&F UniversityYanglingShaanxi 712100China Department of animal Science Fars Agricultural and Natural Resources Research and Education CenterAgricultural ResearchEducation&Extension Organization(AREEO)FarsIran Author links open overlay panel

Hemoglobin is responsible for transporting oxygen from the lungs to body ***,this protein is a tetramer composed of two a-globin chains and twoβ-globin *** sheep,the β-globin locus is of particular interest because it contains two different haplotypes,namely haplotype A(hap A)and hap B,which differ in length by more than 30 kb and do not undergo recombination with each other due to low sequence similarity(Bauer and Jung,1975;Jiang et al.,2015).The two haplotypes also differ in gene content with hap A possessing two clusters of hemoglobin gene families and hap B possessing only one(Aguiletam et al.,2004),which implies differentiation in their functional *** A was speculated to be associated with high-altitude adaptation in sheep(Hu et al.,2019).

关键词： chains altitude similarity

Transcription factor CabHLH035 promotes cold resistance and homeostasis of reactive oxygen species in pepper

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Horticultural Plant Journal 2024年第3期10卷 823-836页

作者： Huafeng Zhang Jiangbai Guo Xiaoqing Chen Yunyun Zhou Yingping Pei Lang Chen Saeed ul Haq Mingke Zhang Haijun Gong Rugang Chen College of Horticulture Northwest A&F UniversityYanglingShaanxi 712100China shaanxi Engineering research center for Vegetables YanglingShaanxi 712100China Department of Horticulture The University of Agriculture PeshawarPeshawarKhyber Pakhtunkhwa 25130Pakistan

Plant basic helix-loop-helix(bHLH)transcription factors(TFs)play central roles in various abiotic ***,its role in plant cold resistance is largely ***,we characterised CaNAC035 in pepper,which positively regulates tolerance to cold,salt and drought stresses ***,we identified CabHLH035,a CaNAC035-interacting protein in *** explore its functions in cold stress tolerance,we silenced the gene in pepper via virus-induced gene silencing(VIGS)and overexpressed the gene in *** results showed that CabHLH035 expression was induced by cold treatment,and silencing of CabHLH035 decreased cold stress ***,overexpression of CabHLH035 in Arabidopsis increased cold stress *** investigate homologs genes of C-repeat binding factor(CBF)pathway proteins and reactive oxygen species(ROS)marker gene expression blocking by CabHLH035,we performed yeast one-hybrid(Y1H),dual luciferase and electrophoretic mobility shift assay *** results showed that CabHLH035 bound to the region upstream of the CaCBF1A and CaAPX ***,CaCBF1A bound to the CaDHN4 *** together,our results showed that CabHLH035 plays a crucial role in cold stress tolerance and its potential as a target for breeding cold-resistant *** findings provide a basis for studying the functions and regulatory network of cold stress tolerance in pepper.

关键词： Pepper CabHLH035 Silencing Overexpression VIGS Cold tolerance

Rapid synthesis of oxygen-defected molybdenum oxides quantum dots as efficient nanozymes for healing diabetic ulcers

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Nano research 2024年第7期17卷 6376-6385页

作者： Fangjun Cao Hui Feng Jiaxin Yao Xiang Hou Tiezhi Jin Junfeng Hui shaanxi Key Laboratory of Qinling Ecological Security Shaanxi Institute of ZoologyXi’an 710072China Engineering research center of Western Resource Innovation Medicine Green Manufacturing Ministry of EducationSchool of Chemical EngineeringNorthwest UniversityXi'an 710069China shaanxi Key Laboratory of Degradable Biomedical Materials and shaanxi R&D center of Biomaterials and Fermentation Engineering School of Chemical EngineeringNorthwest UniversityXi'an 710069China

The continuous inflammatory response in diabetic skin wounds leads to excessive production of reactive oxygen species,which cause a vicious circle of long-term *** the therapeutic research of metal nanoenzymes for healing diabetic ulcers,it still faces the challenges in poor nanoenzymes activity and low-efficient therapeutic ***,ultrasmall oxygen-deficient MoO_(3−X)quantum dots were fabricated and employed as nanoenzymes for healing fiabetic *** PEGylation,PEGylated MoO_(3−X)quantum dots(MoO_(3−X)/PEG)with oxygen vacancies exhibits excellent photothermal,peroxidase/catalase-like *** addition,these MoO_(3−X)/PEG showed superior properties in scavenging H_(2)O_(2)and effectively inhibiting the scavenging of reactive oxygen *** importantly,such an oxygen-defected MoO_(3−X)/PEG had obvious antibacterial and skin repairing effects on alleviating hypoxia and excessive oxidative stress even in a mouse model of diabetic ulcers,inhibiting proinflammatory cytokines and significantly accelerating the healing of infected wounds,which shows great application potential for promoting wound *** work highlights that the developed oxygen defected molybdenum oxide compounds capable of peroxidaselike and catalase-like activities show great application potential for healing diabetes wound.

关键词： oxygen-defected molybdenum-based nanoenzymes antioxidant anti-inflammatory diabetes ulcer wounds

Optimal Design of High-Speed Partial Flow Pumps using Orthogonal Tests and Numerical Simulations

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Fluid Dynamics & Materials Processing 2024年第6期20卷 1203-1218页

作者： Jiaqiong Wang Tao Yang Chen Hu Yu Zhang Ling Zhou National research center of Pumps Jiangsu UniversityZhenjiangChina Wenling Fluid Machinery Technology Institute of Jiangsu University WenlingChina National Engineering research center for Disaster and Emergency rescue Equipment Army Logistics AcademyChongqingChina

To investigate the influence of structural parameters on the performances and internal flow characteristics of partial flow pumps at a low specific speed of 10000 rpm,special attention was paid to the first and second stage impeller guide ***,the impeller blade outlet width,impeller inlet diameter,blade inclination angle,and number of blades were considered for orthogonal ***,nine groups of design solutions were formed,and then used as a basis for the execution of numerical simulations(CFD)aimed at obtaining the efficiency values and heads for each design solution *** influence of impeller geometric parameters on the efficiency and head was explored,and the“weight”of each factor was obtained via a range *** structural parameters were finally chosen on the basis of the numerical simulation results,and the performances of the optimized model were verified accordingly(yet by means of CFD).Evidence is provided that the increase in the efficiency and head of the optimized model was 12.11%and 23.5 m,respectively,compared with those of the original model.

关键词： High-speed partial flow pump orthogonal test optimal design numerical calculation

In-situ coupling construction of interface bridge to enhance electrochemical stability of all solid-state lithium metal batteries

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Journal of Energy Chemistry 2024年第2期89卷 18-26,I0003页

作者： Qianwei Zhang Rong Yang Chao Li Lei Mao Bohai Wang Meng Luo Yinglin Yan Yiming Zou Lisheng Zhong Yunhua Xu International research center for Composite and Intelligent Manufacturing Technology Institute of Chemical Power SourcesXi’an University of TechnologyXi’an 710048ShaanxiChina School of Materials Science and Engineering Xi’an University of TechnologyXi’an 710048ShaanxiChina School of Electrical Engineering Xi’an University of TechnologyXi’an 710048ShaanxiChina Yulin University Yulin 719000ShaanxiChina

Polymer-based composite electrolytes composed of three-dimensional Li_(6.4)La_(3)Zr_(2)Al_(0.2)O_(12)(3D-LLZAO)have attracted increasing attention due to their continuous ion conduction and satisfactory mechanical ***,the organic/inorganic interface is incompatible,resulting in slow lithium-ion transport at the ***,the compatibility of organic/inorganic interface is an urgent problem to be *** by the concept of“gecko eaves”,polymer-based composite solid electrolytes with dense interface structures were *** bridging of organic/inorganic interfaces was established by introducing silane coupling agent(3-chloropropyl)trimethoxysilane(CTMS)into the PEO-3D-LLZAO(PL)*** in-situ coupling reaction improves the interface affinity,strengthens the organic/inorganic interaction,reduces the interface resistance,and thus achieves an efficient interface ion transport *** prepared PEO-3D-LLZAO-CTMS(PLC)electrolyte exhibits enhanced ionic conductivity of 6.04×10^(-4)S cm^(-1)and high ion migration number(0.61)at 60℃and broadens the electrochemical window(5.1 V).At the same time,the PLC electrolyte has good thermal stability and high mechanical ***,the Li Fe PO_(4)|PLC|Li battery has excellent rate performance and cycling stability with a capacity decay rate of 2.2%after 100 cycles at 60℃and 0.1 *** advantages of PLC membranes indicate that this design approach is indeed practical,and the in-situ coupling method provides a new approach to address interface compatibility issues.

关键词： Organic/inorganic interphase Coupling effect Composite electrolyte Interface compatibility

Haploids can be induced in knockout mutants of OsPLA1,but not OsDMP3 or OsDMP6,in rice

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The Crop Journal 2024年第1期12卷 213-221页

作者： Zongkai Liu Yu Zhong Xiaolong Qi Tai An Shuwei Guo Dong Wang Yuwen Wang Bin Feng Zuofeng Zhu Shaojiang Chen Chenxu Liu National Maize Improvement center Engineering Research Center of Ministry of EducationChina Agricultural UniversityBeijing 100193China National center for Evaluation of Agricultural wild Plants(Rice) Department of Plant Genetics and BreedingChina Agricultural UniversityBeijing 100193China

Doubled haploid(DH)technology is an important tool in crop breeding because it can significantly accelerate the breeding ***1/MATL/NLD and ZmDMP are two key genes controlling haploid induction(HI)in maize,exhibiting a synergistic ***,it is unknown whether knock out of ZmDMP orthologs can stimulate HI in *** this study,a ZmPLA1 ortholog(OsPLA1)and two ZmDMP orthologs(OsDMP3 and OsDMP6)were identified in *** three genes encode plasma membrane-localized proteins and were highly expressed in mature *** of OsPLA1 in both Minghui 63 and Nipponbare resulted in reduced seed setting rate(SSR)and caused *** osdmp3,osdmp6 and the double mutant failed to trigger HI independently,nor increased the haploid induction rate(HIR)when combined with *** pollinations operations of QX654A with the ospla1 mutant significantly improve SSR,while reducing ***-seq profiling of mature ospla1 mutant anthers indicated that a large number of differentially expressed genes(DEGs)were enriched in redox homeostasis and lipid metabolic GO terms,plant hormone signal transduction,and MAPK signaling *** findings provide important insights towards construction of an efficient DH breeding technology and study of the molecular mechanism of HI in rice.

关键词： Doubled haploid breeding Haploid induction Mutation anlaysis Rice