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Single-cell transcriptomes provide insights into expansion of glial cells in Bombyx mori

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Insect Science 2024年第4期31卷 1041-1054页

作者： Xiaojing Liu Zhongjie zhang Bo Hu Kai Chen ye Yu Hui Xiang Anjiang Tan Jiangsu Key Laboratory of Sericultural Biology and Biotechnology School of BiotechnologyJiangsu University of Science and TechnologyZhenjiangJiangsu ProvinceChina Key Laboratory of Silkworm and Mulberry Genetic Improvement Ministry of Agriculture and Rural AffairsThe Sericultural Research InstituteChinese Academy of Agricultural SciencesZhenjiangJiangsu ProvinceChina Guangzhou Key Laboratory of Insect Development Regulation and Application Research Institute of Insect Science and Technology and School of Life SciencesSouth China Normal UniversityGuangzhouChina

The diversity of cell types in the brain and how these change during different developmental stages,remains largely *** life cycle of insects is short and goes through 4 distinct stages including embryonic,larval,pupal,and adult *** postembryonic life,the larval brain transforms into a mature adult version after *** silkworm,Bombyx mori,is a lepidopteran model ***,we characterized the brain cell repertoire of larval and adult *** by obtaining 50708 single-cell *** and 12 cell clusters from larval and adult brains were assigned based on marker genes,*** cell types include Kenyon cells,optic lobe cells,monoaminergic neurons,surface glia,and astrocyte *** further assessed the cell type compositions of larval and adult *** found that the transition from larva to adult resulted in great expansion of glial *** glial cell accounted for 49.8%of adult midbrain *** to flies and ants,the mushroom body kenyon cell is insufficient in ***,which accounts for 5.4%and 3.6%in larval and adult brains,*** of neuropeptide expression showed that the abundance and specificity of expression varied among individual ***,we found that ion transport peptide was specifically expressed in glial cells of larval and adult *** cell atlas dataset provides an important resource to explore cell diversity,neural circuits and genetic profiles.

关键词： brain neuropeptide silkworm single-cell transcriptome

Drought-triggered repression of miR166 promotes drought tolerance in soybean

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The Crop Journal 2024年第1期12卷 154-163页

作者： Chen Zhao Jingjing Ma Chen Yan Yu Jiang Yaohua zhang Yudan Lu ye zhang Suxin Yang Xianzhong Feng Jun Yan School of Life Sciences East China Normal UniversityShanghai 200241China Key Laboratory of Soybean Molecular Design Breeding Northeast Institute of Geography and AgroecologyChinese Academy of SciencesChangchun 130102JilinChina

Drought stress limits agricultural productivity *** and characterizing genetic components of drought stress-tolerance networks may improve crop resistance to drought *** show that the regulatory module formed by miR166 and its target gene,ATHB14-LIKE,functions in the regulation of drought tolerance in soybean(Glycine max).Drought stress represses the accumulation of miR166,leading to upregulation of its target *** knockdown of miR166 in the stable transgenic line GmSTTM166 conferred drought tolerance without affecting *** of ABA signaling pathway genes was regulated by the miR166-mediated regulatory pathway,and ATHB14-LIKE directly activates some of these *** is a feedback regulation between ATHB14-LIKE and MIR166 genes,and ATHB14-LIKE inhibits MIR166 *** findings reveal that drought-triggered regulation of the miR166-mediated regulatory pathway increases plants drought resistance,providing new insights into drought stress regulatory network in soybean.

关键词： Soybean Drought stress miRNA ABA signaling

An optimized strategy of nitrogen-split application based on the leaf positional differences in chlorophyll meter readings

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Journal of Integrative Agriculture 2024年第8期23卷 2605-2617页

作者： Gaozhao Wu Xingyu Chen Yuguang Zang Ying ye Xiaoqing Qian Weiyang zhang Hao zhang Lijun Liu Zujian zhang Zhiqin Wang Junfei Gu Jianchang Yang Jiangsu Key Laboratory of Crop Genetics and Physiology/Jiangsu Key Laboratory of Crop Cultivation and Physiology/Agricultural College Yangzhou UniversityYangzhou 225009China Jiangsu Co-Innovation Center for Modern Production Technology of Grain Crops Yangzhou UniversityYangzhou 225009China Key Laboratory of Arable Land Quality Monitoring and Evaluation Ministry of Agriculture and Rural AffairsYangzhou UniversityYangzhou 225127China

Modern rice production faces the dual challenges of increasing grain yields while reducing inputs of chemical ***,the disequilibrium between the nitrogen(N)supplement from the soil and the demand for N of plants is a serious obstacle to achieving these ***-based diagnosis can help farmers make better choices regarding the timing and amount of topdressing N *** objective was to evaluate a non-destructive assessment of rice N demands based on the relative SPAD value(RSPAD)due to leaf positional *** this study,two field experiments were conducted,including a field experiment of different N rates(Exp.I)and an experiment to evaluate the new strategy of nitrogen-split application based on RSPAD(***).The results showed that higher N inputs significantly increased grain yield in modern high yielding super rice,but at the expense of lower nitrogen use efficiency(NUE).The N nutrition index(NNI)can adequately differentiate situations of excessive,optimal,and insufficient N nutrition in rice,and the optimal N rate for modern high yielding rice is higher than conventional *** RSPAD is calculated as the SPAD value of the top fully expanded leaf *** value of the third leaf,which takes into account the non-uniform N distribution within a *** RSPAD can be used as an indicator for higher yield and NUE,and guide better management of N fertilizer ***,we developed a new strategy of nitrogen-split application based on RSPAD,in which the N rate was reduced by 18.7%,yield was increased by 1.7%,and the agronomic N use efficiency was increased by 27.8%,when compared with standard farmers'*** strategy of N fertilization shows great potential for ensuring high yielding and improving NUE at lower N inputs.

关键词： canopy crop management practices nitrogen nitrogen nutrition index rice SPAD

A rare inter-haplotypic recombination at the S-locus contributed to the loss of self-incompatibility in trifoliate orange

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Plant Communications 2024年第9期5卷 16-20页

作者： Jianbing Hu Furong Guo Zezhen Du Peng Chen Chunmei Shi Jinzhi zhang Junli ye Xiuxin Deng Robert M.Larkin Wenbiao Jiao Zongcheng lin Maurice Bosch Lijun Chai National Key Laboratory for Germplasm Innovation and Utilization of Horticultural Crops College of Horticulture and Forestry SciencesHuazhong Agricultural UniversityWuhan 430070P.R.China Hubei Hongshan Laboratory Wuhan 430070P.R.China Horticultural Institute Hunan Academy of Agricultural SciencesChangsha 410125P.R.China Institute of Biological Environmental and Rural Sciences(IBERS)Aberystwyth UniversityAberystwyth SY233FLUK

Dear Editor,In trans-specific S-haplotypes,crossover recombination at the S-locus,which controls self-incompatibility,has been thought to be highly ***,we discovered a previously unreported super S haplotype,derived from a rare inter-haplotypic recombination event,that contained two complete suites of functional S-RNase and SLF genes and could break the SI response in trifoliate orange through“self-recognition”within the same pollen.

关键词： orange crossover trifolia

UWLPIPE:Ultra-wide Bandwidth Low-frequency Pulsar Data Processing Pipeline

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Research in Astronomy and Astrophysics 2024年第7期24卷 145-157页

作者： Ya-Zhou zhang Hai-Long zhang Jie Wang Jian Li Xin-Chen ye Shuang-Qiang Wang Xu Du Han Wu Ting zhang Shao-Cong Guo Xinjiang Astronomical Observatory Chinese Academy of SciencesUrumqi 830011China University of Chinese Academy of Sciences Beijing 100049China Key Laboratory of Radio Astronomy Chinese Academy of SciencesNanjing 210008China National Astronomical Data Center Beijing 100101China Southeast University Nanjing 211189China

For real-time processing of ultra-wide bandwidth low-frequency pulsar baseband data,we designed and implemented an ultra-wide bandwidth low-frequency pulsar data processing pipeline(UWLPIPE)based on the shared ringbuffer and GPU parallel *** runs on the GPU cluster and can simultaneously receive multiple 128 MHz dual-polarization VDIF data packets preprocessed by the front-end *** aligning the dual-polarization data,multiple 128M subband data are packaged into PSRDADA baseband data or multi-channel coherent dispersion filterbank data,and multiple subband filterbank data can be spliced into wideband data after time *** used the Nanshan 26 m radio telescope with the L-band receiver at964~1732 MHz to observe multiple ***,we processed the data using DSPSR software,and the results showed that each subband could correctly fold out the pulse profile,and the wideband pulse profile accumulated by multiple subbands could be correctly aligned.

关键词： (stars)pulsars general-methods data analysis-techniques miscellaneous

Micro/nano flow chemistry by Beyond Limits Manufacturing

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Chinese Chemical Letters 2024年第5期35卷 3-12页

作者： Peiwen Liu Fang Zhao Jing zhang Yunpeng Bai Jinxing ye Bo Bao Xinggui Zhou Li zhang Changlu Zhou Xinhai Yu Peng Zuo Jianye Xia Lian Cen Yangyang Yang Guoyue Shi lin Xu Weiping Zhu Yufang Xu Xuhong Qian State Key Laboratory of Bioreactor Engineering Shanghai Key Laboratory of Chemical BiologySchool of PharmacyEast China University of Science and TechnologyShanghai 200237China State Key Laboratory of Chemical Engineering School of Chemical EngineeringEast China University of Science and TechnologyShanghai 200237China State Key Laboratory of Bioreactor Engineering Shanghai Collaborative Innovation Center for BiomanufacturingEast China University of Science and TechnologyShanghai 200237China School of Biomedical and Pharmaceutical Sciences Guangdong University of TechnologyGuangzhou 510006China School of Mechanical and Power Engineering East China University of Science and TechnologyShanghai 200237China Shanghai Key Laboratory of Green Chemistry and Chemical Processes Department of ChemistrySchool of Chemistry and Molecular EngineeringEast China Normal UniversityShanghai 200241China

In September 2018,we proposed the cutting-edge concept of“Beyond Limits Manufacturing”(BLM).BLM technology is based on the three-dimensional inner engraving or precise outer engraving of ultra-fast laser,to invent micro/nano scale flow chips or devices,which makes it possible for the microform,integration,economy,safety,high efficiency,green and intelligence of research,development and manufacturing process,so as to realize transformational manufacturing in the era of Industry *** this paper,we reviewed the representative results we made in the field of micro/nano flow chemistry during the implementation of the BLM major project(December 2019 to August 2023),and discussed its application prospects in micro/nano flow chemistry.

关键词： Beyond Limits Manufacturing Flow chemistry Pharmaceutical manufacturing Microreactor

Direct ink writing of multifunctional gratings with gel-like MXene/norepinephrine ink for dynamic electromagnetic interference shielding and patterned Joule heating

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Nano Research 2024年第3期17卷 1585-1594页

作者： Pei-Zhu Jiang Zhiming Deng Peng Min Lvxuan ye Cheng-zhang Qi Hao-Yu Zhao Ji Liu Hao-Bin zhang Zhong-Zhen Yu Beijing Key Laboratory of Advanced Functional Polymer Composites Beijing University of Chemical TechnologyBeijing 100029China State Key Laboratory of Organic-Inorganic Composites College of Materials Science and EngineeringBeijing University of Chemical TechnologyBeijing 100029China School of Chemistry CRANN and AMBERTrinity College DublinDublin D02PN40Ireland

Intelligent electromagnetic interference(EMI)shielding modulators with a wide tuning range and cyclic stability are urgently needed but their fabrication remains challenging.A gel-like MXene/norepinephrine ink is developed and multifunctional MXene gratings with wide EMI shielding effectiveness(SE)tuning range,superior reversibility,and high mechanical flexibility are constructed by direct ink writing approach for dynamic EMI shielding and patterned Joule heating *** modulable MXene/norepinephrine grating with a high conductivity of 3510 S·cm-1 can conveniently realize the seamless modulation of the EMI SE by adjusting the angle between the MXene grating filaments and the electric field of the incident electromagnetic waves,offering highly reversible switching between shielding“On”(28.0 dB)and“Off”(0.5 dB)***,due to the optimized integration of the MXene ink and the rationally designed pattern,a superior specific EMI SE of 95,688.2 dB·cm^(2)·g^(-1) is achieved in the“On”***,the MXene/norepinephrine ink can be used to fabricate many complex patterned gratings with superior stability,instant responsibility,and superb mechanical flexibility,exhibiting a unique patterned Joule heating *** writing of multifunctional gratings paves a means for developing intelligent EMI shielding materials,wearable electronic devices,and advanced thermal management materials.

关键词： MXene ink direct ink writing electromagnetic interference shielding multifunctional gratings Joule heating

Effect of fatigue load on the bending tribo-corrosion-fatigue behaviors between the main cable wires

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Friction 2024年第7期12卷 1512-1531页

作者： Bo WANG Dagang WANG Jihong ye Liang TANG Hailang CHONG Wei XU Xinxin zhang Jianhao CHEN Haiyan DENG Jie zhang Guowen YAO Magd Abdel WAHAB School of Mechatronic Engineering China University of Mining and TechnologyXuzhou 221116China Xuzhou Key Laboratory for Fire Safety of Engineering Structures China University of Mining and TechnologyXuzhou 221116China National Wire Rope Quality Inspection Center Nantong Product Quality Supervision and Inspection InstituteNantong 226011China Jiangsu Langshan Wire Rope Co. Ltd.Nantong 226003China School of Mechatronic Engineering Southwest Petroleum UniversityChengdu 610500China School of Civil Engineering Chongqing Jiaotong UniversityChongqing 400074China Soete Laboratory Faculty of Engineering and ArchitectureGhent UniversityZwijnaarde B-9052Belgium

The main cable bent around the saddle of the suspension bridge is subjected to the wind,the vehicle,the bridge’s own weight and the corrosive *** coupling of the three loads and the environments causes the friction,the corrosion,and the fatigue(tribo-corrosion-fatigue)among the wires inside the main *** this paper,a wire bending tribo-corrosion-fatigue test rig was designed and *** effect of fatigue load on the bending friction behaviors between the cable wires in ultrapure water and 3.5%NaCl solution was *** tribological properties and electrochemical corrosion behaviors under different fatigue loading ranges were *** tribo-corrosion-fatigue interaction between the cable wires was quantitatively characterized,and the mechanism of the interaction was *** results demonstrate that the increasing fatigue load exacerbates the coupling damage of the cable wires attributed to the enhanced *** findings carry theoretical importance when assessing the main cable’s deterioration and the load-bearing safety of a suspension bridge.

关键词： bending tribo-corrosion-fatigue interaction parallel steel wires fatigue load

Purple acid phosphatase promoted hydrolysis of organophosphate pesticides in microalgae

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Environmental Science and Ecotechnology 2024年第2期18卷 137-149页

作者： Xiang Wang Guo-Hui He Zhen-Yao Wang Hui-Ying Xu Jin-Hua Mou Zi-Hao Qin Carol Sze Ki lin Wei-Dong Yang Yalei zhang Hong-ye Li Key Laboratory of Eutrophication and Red Tide Prevention of Guangdong Higher Education Institutes College of Life Science and TechnologyJinan UniversityGuangzhou510632China School of Energy and Environment City University of Hong KongTat Chee AvenueKowloonHong Kong Centre for Technology in Water and Wastewater School of Civil and Environmental EngineeringUniversity of Technology SydneyUltimoNSW2007Australia Southern Marine Science and Engineering Guangdong Laboratory(Guangzhou) Guangzhou510000China State Key Laboratory of Pollution Control and Resources Reuse College of Environmental Science and EngineeringTongji UniversityShanghai200092China

When organophosphate pesticides(OPs)are not used and handled in accordance with the current rules and standards,it results in serious threats to the aquatic environment and human *** tricornutum is a prospective microalgae-based system for pollutant removal and carbon *** engineered ***,designated as the OE line(endogenously expressing purple acid phosphatase 1[PAP1]),can utilize organic phosphorus for cellular ***,the competencies and mechanisms of the microalgae-based system(namely the OE line of ***)for metabolizing OPs remain to be *** this study,the OE line exhibited the effective biodegradation competencies of 72.12%and 68.2%for 30 mg L^(-1)of dichlorvos and 50 mg L^(-1)of glyphosate,accompanied by synergistic accumulations of biomass(0.91 and 0.95 g L^(-1))and lipids(32.71%and 32.08%),***,the biodiesel properties of the lipids from the OE line manifested a high potential as an alternative feedstock for microalgae-based biofuel production.A plausible mechanism of OPs biodegraded by overexpressed PAP1 is that sufficient inorganic P for adenosine triphosphate and concurrent carbon flux for the reduced form of nicotinamide adenine dinucleotide phosphate biosynthesis,which improved the OP tolerance and biodegradation competencies by regulating the antioxidant system,delaying programmed cell death and accumulating lipids via the upregulation of related *** sum up,this study demonstrates a potential strategy using a genetically engineered strain of *** to remove high concentrations of OPs with the simultaneous production of biomass and biofuels,which might provide novel insights for microalgae-based pollutant biodegradation.

关键词： Biodegradation Lipid accumulation Organophosphate pesticide Phaeodactylum tricornutum Purple acid phosphatase