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Global analysis of basic leucine zipper transcription factors in trifoliate orange and the function identification of PtbZIP49 in salt tolerance

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Horticultural Plant Journal 2024年第1期10卷 115-130页

作者： Yuanyuan Xu Qiuling Hui Meng Li Hongxian Peng Yizhong He Changpin Chun Liangzhi Peng Xingzheng Fu national Citrus Engineering research center Citrus Research InstituteSouthwest UniversityChongqing 400712China

As one of the most widely distributed and highly conserved transcription factors in eukaryotes,basic leucine zipper proteins(bZIPs)are involved in a variety of biological processes in plants,but they are largely unknown in *** this study,56 bZIP family members were identified genome-wide from an important citrus rootstock,namely trifoliate orange(Poncirus trifoliata ***.),and these putative bZIPs were named PtbZIP1—*** PtbZIPs were classified into 13 subgroups by phylogenetic comparison with Arabidopsis thaliana bZIPs(AtbZIPs),and they were randomly distributed on nine known(50 genes)chromosomes and one unknown(6 genes)*** analysis revealed the detailed characteristics of PtPZIPs,including their amino acid length,isoelectric point(pI),molecular weight(MW),predicted subcellular localization,gene structure,and conserved *** of promoter elements suggested the presence of drought,low-temperature,wound,and defense and stress responsive elements,as well as multiple hormone-responsive cis-acting *** expression analysis showed the transcriptional patterns of PtbZIPs in different tissues and under dehydration,high salt,ABA,and IAA *** addition,21 PtbZIPs were predicted to have direct or indirect protein—protein *** these,PtbZIP49 was experimentally proven to interact with PtbZIP1 or PtbZIP11 by using a yeast two-hybrid assay and bimolecular fluorescence complementation(BiFC).Subcellular localization analysis further revealed that PtbZIP1,PtbZIP11,and PtbZIP49 were localized in the ***,PtbZIP49 was functionally identified as having an important role in salt stress via ectopic expression in *** and silenced in trifoliate orange using virus-induced gene silencing(VIGS).This study provided comprehensive information on PtbZIP transcription factors in citrus and highlights their potential functions in abiotic stress.

关键词： bZIP Citrus Trifoliate orange Abiotic stress Expression pattern

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Chromosome-level genome assembly of the Asian citrus psyllid,Diaphorina citri

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Insect Science 2024年第1期31卷 13-27页

作者： Shuang Lei Shi-Jiang Yu Qi Pan Li-Li Ding Si-Chen Li Lu-Yan Cheng Shu-Qi Wang Bing-Hai Lou Jun He Cui-Yun Lei Lin Cong Hao-Qiang Liu Xue-Feng Wang Chun Ran Citrus research Institute Southwest University/Chinese Academy of Agricultural SciencesNational Engineering Research Center for CitrusChongqingChina

Diaphorina citri is a global citrus *** a vector insect,it can transmit the causative agents of citrus huanglongbing,causing irreversible losses to the citrus *** acquisition of genomic information can provide a molecular genetic basis for effective control of ***,the DNBSEQ™,Oxford Nanopore Technologies,and Hi-C technologies are applied to generate a high-quality chromosome-level genome of *** genome size of *** was 523.78 Mb with a scaffold N50 of 47.05 Mb distributed on 13 chromosomes.A total of 250.64 Mb(47.85%)repeat sequences and 24048 protein-coding genes were *** resequencing of female and male individuals indicated that the sex chromosome system of *** is *** analysis demonstrated that *** and Pachypsylla venusta,which separated from their most recent common ancestor about 336.62 million years ago,were the most closely ***,we identified genes potentially involved in detoxification metabolism,pathogen transmission,and honeydew secretion for further *** high-quality genome provides an important reference for developing effective management strategies of ***.

关键词： Asian citrus psyllid chromosome-level genome comparative genomics cytochrome P450 detoxification Huanglongbing

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Genome-wide CRISPR screening reveals key genes and pathways associated with 20-hydroxyecdysone signal transduction in the silkworm(Bombyx mori)

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Insect Science 2024年第1期31卷 47-58页

作者： Hao Sun Jingya Chen Ruolin Wang Dan Liu Na Zhang Tong Zhang Ling Jia Sanyuan Ma Qingyou Xia State Key Laboratory of Silkworm Genome Biology Southwest UniversityChongqingChina Biological Science research center Southwest UniversityChongqingChina

Metamorphosis is a complex developmental process involving multiple pathways and a large number of genes that are regulated by juvenile hormone(JH)and 20-hydroxyecdysone(20E).Despite important progress in understanding various aspects of silkworm biology,the hormone signaling pathway in the silkworm remains poorly ***-wide screening using clustered regularly interspaced short palindromic repeats(CRISPR)/CRISPR-associated protein 9(Cas9)-based libraries has recently emerged as a novel method for analyzing genome function,enabling further research into essential genes,drug targets,and virus-host ***,we constructed a genome-wide CRISPR/Cas9-based library of the silkworm(Bombyx mori)and successfully revealed the genes involved in biotic or abiotic stress factor *** this study,we used our silkworm CRISPR library and large-scale genome-wide screening to analyze the key genes in the silkworm 20E signaling pathway and their mechanisms of *** annotation showed that 20E regulates key proteins in processes that mainly occur in the cytoplasm and *** enrichment analysis showed that 20E can activate phosphorylation and may affect innate immunity,interfere with intracellular nutrition and energy metabolism,and eventually cause cell *** screening results were experimentally validated by generating cells with knockout alleles of the relevant genes,which had increased tolerance to *** findings provide a panoramic overview of signaling in response to 20E in the silkworm,underscoring the utility of genome-wide CRISPR mutant libraries in deciphering hormone signaling pathways and the mechanisms that regulate metamorphosis in insects.

关键词： CRISPR/Cas9 CRISPR library screening ecdysone 20E signal transduction silkworm whole genome editing

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Eureka lemon zinc finger protein ClDOF3.4 interacts with citrus yellow vein clearing virus coat protein to inhibit viral infection

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Journal of Integrative Agriculture 2024年第6期23卷 1979-1993页

作者： Ping Liao Ting Zeng Mengyang Huangfu Cairong Zheng Jiequn Ren Changyong Zhou Yan Zhou Integrative Science center of Germplasm Creation in Western China(CHONGQING)Science City Citrus Research InstituteSouthwest UniversityChongqing 400712China national Citrus Engineering research center Citrus Research InstituteSouthwest UniversityChongqing 400712China Chongqing Three Gorges Academy of Agricultural Science Chongqing Three Gorges UniversityChongqing 404020China

Citrus yellow vein clearing virus(CYVCV)is a new citrus virus that has become an important factor restricting the development of China’s citrus industry,and the CYVCV coat protein(CP)is associated with viral *** this study,the Eureka lemon zinc finger protein(ZFP)ClDOF3.4 was shown to interact with CYVCV CP in vivo and in *** expression of ClDOF3.4 in Eureka lemon induced the expression of salicylic acid(SA)-related and hypersensitive response marker genes,and triggered a reactive oxygen species burst,ion leakage necrosis,and the accumulation of free ***,the CYVCV titer in ClDOF3.4 transgenic Eureka lemon plants was approximately 69.4%that in control plants 6 mon after inoculation,with only mild leaf chlorotic spots observed in those transgenic *** together,the results indicate that ClDOF3.4 not only interacts with CP but also induces an immune response in Eureka lemon by inducing the SA *** is the first report that ZFP is involved in the immune response of a citrus viral disease,which provides a basis for further study of the molecular mechanism of CYVCV infection.

关键词： citrus yellow vein clearing virus coat protein ClDOF3.4 plant immune response

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The evolution and functional divergence of 10 Apolipoprotein D-like genes in Nilaparvata lugens

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Insect Science 2024年第1期31卷 91-105页

作者： Jia-Bao Lu Peng-Peng Ren Qiao Li Fang He Zhong-Tian Xu Sai-Nan Wang Jian-Ping Chen Jun-Min Li Chuan-Xi Zhang Citrus research Institute Southwest University/Chinese Academy of Agricultural SciencesNational Engineering Research Center for CitrusChongqingChina Technology center of Wuhan Customs District HubeiChina Institute of Insect Science Zhejiang UniversityHangzhouChina

Apolipoprotein D(ApoD),a member of the lipocalin superfamily of proteins,is involved in lipid transport and stress *** only a single copy of the ApoD gene is found in humans and some other vertebrates,there are typically several ApoD-like genes in *** date,there have been relatively few studies that have examined the evolution and functional differentiation of ApoD-like genes in insects,particularly hemi-metabolous *** this study,we identified 10 ApoD-like genes(NlApoD1−10)with distinct spatiotemporal expression patterns in Nilaparvata lugens(BPH),which is an important pest of ***1−10 were found to be distributed on 3 chromosomes in a tandem array of NlApoD1/2,NlApoD3−5,and NlApoD7/8,and show sequence and gene structural divergence in the coding regions,indicating that multiple gene duplication events occurred during *** analysis revealed that NlApoD1−10 can be clustered into 5 clades,with NlApoD3−5 and NlApoD7/8 potentially evolving exclusively in the Delphacidae *** screening using an RNA interference approach revealed that only NlApoD2 was essential for BPH development and survival,whereas NlApoD4/5 are highly expressed in testes,and might play roles in ***,stress response analysis revealed that NlApoD3−5/9,NlApoD3−5,and NlApoD9 were up-regulated after treatment with lipopolysaccharide,H2O2,and ultraviolet-C,respectively,indicating their potential roles in stress resistance.

关键词： Apolipoprotein D BPH evolution functional divergence gene duplication NIApoD

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Cell reprogramming therapy for Parkinson’s disease

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Neural Regeneration research 2024年第11期19卷 2444-2455页

作者： Wenjing Dong Shuyi Liu Shangang Li Zhengbo Wang State Key Laboratory of primate Biomedical research Institute of Primate Translational MedicineKunming University of Science and TechnologyKunmingYunnan ProvinceChina Yunnan Key Laboratory of primate Biomedical research KunmingYunnan ProvinceChina

Parkinson’s disease is typically characterized by the progressive loss of dopaminergic neurons in the substantia nigra pars *** studies have been performed based on the supplementation of lost dopaminergic neurons to treat Parkinson’s *** initial strategy for cell replacement therapy used human fetal ventral midbrain and human embryonic stem cells to treat Parkinson’s disease,which could substantially alleviate the symptoms of Parkinson’s disease in clinical ***,ethical issues and tumor formation were limitations of its clinical *** pluripotent stem cells can be acquired without sacrificing human embryos,which eliminates the huge ethical barriers of human stem cell *** widely considered neuronal regeneration strategy is to directly reprogram fibroblasts and astrocytes into neurons,without the need for intermediate proliferation states,thus avoiding issues of immune rejection and tumor *** induced pluripotent stem cells and direct reprogramming of lineage cells have shown promising results in the treatment of Parkinson’s ***,there are also ethical concerns and the risk of tumor formation that need to be *** review highlights the current application status of cell reprogramming in the treatment of Parkinson’s disease,focusing on the use of induced pluripotent stem cells in cell replacement therapy,including preclinical animal models and progress in clinical *** review also discusses the advancements in direct reprogramming of lineage cells in the treatment of Parkinson’s disease,as well as the controversy surrounding in vivo *** findings suggest that cell reprogramming may hold great promise as a potential strategy for treating Parkinson’s disease.

关键词： animal models astrocytes autologous cell reprogramming cell therapy direct lineage reprogramming dopaminergic neurons induced pluripotent stem cells non-human primates Parkinson’s disease

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Loss of SHROOM3 affects neuroepithelial cell shape through regulating cytoskeleton proteins in cynomolgus monkey organoids

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Zoological research 2024年第2期45卷 233-241页

作者： Peng Li Ting Zhang Ruo Wu Jun-Yu Zhang Yan Zhuo Shan-Gang Li Jiao-Jian Wang Wen-Ting Guo Zheng-Bo Wang Yong-Chang Chen State Key Laboratory of primate Biomedical research Institute of Primate Translational MedicineKunming University of Science and TechnologyKunmingYunnan 650500China Yunnan Key Laboratory of primate Biomedical research KunmingYunnan 650500China

Neural tube defects(NTDs)are severe congenital neurodevelopmental disorders arising from incomplete neural tube *** folate supplementation has been shown to mitigate the incidence of NTDs,some cases,often attributable to genetic factors,remain *** SHROOM3 gene has been implicated in NTD cases that are unresponsive to folate supplementation;at present,however,the underlying mechanism remains *** tube morphogenesis is a complex process involving the folding of the planar epithelium of the neural *** determine the role of SHROOM3 in early developmental morphogenesis,we established a neuroepithelial organoid culture system derived from cynomolgus monkeys to closely mimic the in vivo neural plate *** of SHROOM3 resulted in shorter neuroepithelial cells and smaller *** morphological changes were attributed to the insufficient recruitment of cytoskeletal proteins,namely fibrous actin(F-actin),myosin II,and phospho-myosin light chain(PMLC),to the apical side of the neuroepithelial ***,these defects were not rescued by folate *** sequencing revealed that differentially expressed genes were enriched in biological processes associated with cellular and organ *** summary,we established an authentic in vitro system to study NTDs and identified a novel mechanism for NTDs that are unresponsive to folate supplementation.

关键词： Neural tube defects SHROOM3 Neuroepithelial Organoids Cynomolgus monkey

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Effects of biochar produced from distiller grains on agronomic performances of sorghum(Sorghum bicolor L.) and greenhouse gas emissions from soil

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Pedosphere 2024年第5期34卷 951-959页

作者： Hongjun YANG Suyi ZHANG Jingyu HU Jianguo HUANG Zonghua AO Xiaoqin WANG Zhe LI Xuepin LIAO College of Resources and Environment Southwest University national Engineering research center of Solid-State Brewing Luzhou Laojiao Co.Ltd. College of Biomass Science and Engineering Sichuan University

Aromatic liquor breweries produce massive distiller grains containing a high percentage of rice husks that necessitate harmless treatment and resource utilization. These husk-rich distiller grains can be pyrolyzed in the Ni-based catalyst system at a relatively low temperature（480?C） into combustible gas,which is used in liquor distillation, and biochar（BDG） with high mineral nutrients and good surface properties. A 3-year field experiment（2018–2020） was established to understand the effects of BDG on sorghum agronomic performances and greenhouse gas emissions from the soil. The results showed that BDG had higher mineral nutrient（N, P, K, and S） contents, larger cation exchange capacity, and better surface structure than those prepared using the traditional method at 400 and 600?C. Compared with sole chemical fertilizer（CF）, the combination of CF and BDG（CF+BDG） increased sorghum nutrient（N, P, and K） uptake, yield, fertilizer use efficiency, and economic benefit. Cumulative CO2emission from the soil changed little between with and without BDG,indicating the microbial stability of BDG. The effective adsorption of NH3or NH4+by BDG upon N application may reduce N loss through NH3and N2O emissions and increase the efficiency of fertilizer N use. Cumulative CH4emission ranged from 32.45 to 44.86 g ha-1, which could be overlooked as a greenhouse gas in the sorghum field. Moreover, CF+BDG significantly decreased NH3and N2O emissions for the production of each unit of sorghum grains and the CO2emission from the land for the production of a certain amount of sorghum grains. Therefore, CF+BDG exhibited better agronomic and environmental performances in sorghum cultivation.

关键词： CO2 emission economic benefit environmental performance fertilizer use efficiency N2O emission NH3 emission nutrient uptake yield

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Targeting ASIC1a Promotes Neural Progenitor Cell Migration and Neurogenesis in Ischemic Stroke

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research 2024年第1期2023卷 369-387页

作者： Hongfei Ge Tengyuan Zhou Chao Zhang Yupeng Cun Weixiang Chen Yang Yang Qian Zhang Huanhuan Li Jun Zhong Xuyang Zhang Hua Feng Rong Hu Department of Neurosurgery and Key Laboratory of Neurotrauma Southwest HospitalThird Military Medical University(Army Medical University)400038 ChongqingChina Medical research center Southwest HospitalThird Military Medical University(Army Medical University)400038 ChongqingChina Pediatric research Institute Ministry of Education Key Laboratory of Child Development and DisordersNational Clinical Research Center for Child Health and DisordersChildren’s Hospital of Chongqing Medical University400014 ChongqingChina

Cell replacement therapy using neural progenitor cells(NPCs)has been shown to be an effective treatment for ischemic ***,the therapeutic effect is unsatisfactory due to the imbalanced homeostasis of the local microenvironment after *** acidosis is a common imbalanced homeostasis in the penumbra and could activate acid-sensing ion channels 1a(ASIC1a),a subunit of proton-gated cation channels following ischemic ***,the role of ASIC1a in NPCs post-ischemia remains ***,our results indicated that ASIC1a was expressed in NPCs with channel functionality,which could be activated by extracellular *** evidence revealed that ASIC1a activation inhibited NPC migration and neurogenesis through RhoA signaling-mediated reorganization of filopodia formation,which could be primarily reversed by pharmacological or genetic disruption of *** vivo data showed that the knockout of the ASIC1a gene facilitated NPC migration and neurogenesis in the penumbra to improve behavioral recovery after stroke.

关键词： ASIC1a homeostasis inhibited

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The noise spectral characteristics and noise reduction schemes of screw air-source heat pump:A case study

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Building Simulation 2024年第1期17卷 53-70页

作者： Dongsheng Liu Yaohan Feng Jikang Jia Pengfei Si Ya Feng China southwest Architecture Design and research Institute Co.Ltd. Chengdu 610041China CSCEC Green Construction Engineering research center Chengdu 610041China

The screw air-source heat pump can cause incessant high noise levels during operation,which might hinder adoption of this energy-efficient heat ***,acoustic measurements and comparison testing were performed in this *** measurements revealed that the compressor is the main noise source of the heat pump,and it shows a multipeak frequency distribution and a wide frequency spectrum under different work conditions,with multiple peaks at 63,250,and 1000 ***,a compressor sound insulation cover with broadband absorption was proposed,and it was experimentally proven that the insulation cover can reduce the maximum sound pressure level of one unit from 89.8 dBA to 79.1 ***,we proposed several noise reduction strategies and compared their noise reduction effects using computer *** results showed that the noise problem can be effectively improved through the rational design of the sound barrier and the layout and opening options of heat *** distance between the sound barrier and heat pump and the sound attenuation due to diffraction ALa exhibit a U-shaped *** buildings of different heights,the optimal heights of noise barrier are *** 5.5-meter is the optimal height of the sound barrier for single-story *** conclusions can be applied to other building projects for heat pump noise reduction.

关键词： acoustic simulation broadband noise noise reduction air-source heat pump sound barrier

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