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Lipidomic Analysis Reveals the Importance of GIPCs in Arabidopsis Leaf Extracellular Vesicles

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Molecular Plant 2020年第10期13卷 1523-1532页

作者： ning-jing liu ning Wang jing-jing Bao Hui-Xian Zhu Ling-Jian Wang Xiao-Ya Chen State Key Laboratory of Plant Molecular Genetics CAS Center for Excellence in Molecular Plant Sciences/Shanghai Institute of Plant Physiology and EcologyChinese Academy of SciencesFenglin Road 300Shanghai 200032China Key Laboratory of Plant Stress Biology State Key Laboratory of Cotton BiologySchool of Life SciencesHenan UniversityKaifeng 475004China University of Chinese Academy of Sciences Shanghai 200032China

Plant extracellular vesicles(EVs)are membrane-enclosed nanoparticles that play diverse roles in plant development and ***,impressive progress has been made in the isolation and identification of the proteins and RNAs carried in plant EVs;however,the analysis of EV lipid compositions remains ***,we performed lipidomic analysis of Arabidopsis rosette leaf EVs,revealing a high abundance of certain groups of lipids,in particular sphingolipids,in the ***,the EV sphingolipids are composed of nearly pure glycosylinositolphosphoceramides(GIPCs),which are green lineage abundant and negatively *** further showed that the Arabidopsis TETRASPANIN 8(TET8)knockout mutant has a lower amount of cellular GIPCs and secrets fewer EVs,companied with impaired reactive oxygen species(ROS)burst toward *** application of GIPCs promoted the secretion of EVs and ROS burst in both the WT and tet8 *** characteristic enrichment of sphingolipid GIPCs provides valuable insights into the biogenesis and function of plant EVs.

关键词： sphingolipids extracellular vesicles

Sphingolipid metabolism, transport, and functions in plants:Recent progress and future perspectives

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Plant Communications 2021年第5期2卷 45-61页

作者： ning-jing liu Li-Pan Hou jing-jing Bao Ling-Jian Wang Xiao-Ya Chen State Key Laboratory of Plant Molecular Genetics CAS Center for Excellence in Molecular Plant Sciences/Shanghai Institute of Plant Physiology and EcologyChinese Academy of SciencesFenglin Road 300Shanghai 200032China University of Chinese Academy of Sciences Shanghai 200032China

Sphingolipids,which comprise membrane systems together with other lipids,are ubiquitous in cellular *** show a high degree of diversity across plant species and vary in their structures,properties,and *** from the development of lipidomic techniques,over 300 plant sphingolipids have been *** divided into free long-chain bases(LCBs),ceramides,glycosylceramides(GlcCers)and glycosyl inositol phosphoceramides(GIPCs),plant sphingolipids exhibit organized aggregation within lipid membranes to form raft domains with *** evidence has revealed that sphingolipids obey certain trafficking and distribution rules and confer unique properties to *** studies using sphingolipid biosynthetic mutants demonstrate that sphingolipids participate in plant developmental regulation,stimulus sensing,and stress ***,we present an updated metabolism/degradation map and summarize the structures of plant sphingolipids,review recent progress in understanding the functions of sphingolipids in plant development and stress responses,and review sphingolipid distribution and trafficking in plant *** also highlight some important challenges and issues that we may face during the process of studying sphingolipids.

关键词： sphingolipid metabolism membrane lateral heterogeneity vesicular and non-vesicular trafficking

Targeted Lipidomics Studies Reveal that Linolenic Acid Promotes Cotton Fiber Elongation by Activating Phosphatidylinositol and Phosphatidylinositol Monophosphate Biosvnthesis

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Molecular Plant 2015年第6期8卷 911-921页

作者： Gao-Jun liu Guang-Hui Xiao ning-jing liu Dan liu Pei-Shuang Chen Yong-Mei Qin Yu-Xian Zhu The State Key Laboratory of Protein and Plant Gene Research College of Life Sciences Peking University Beijing 100871 China

The membrane lipids from fast-elongating wild-type cotton （Gossypium hirsutum） fibers at 10 days post- anthesis, wild-type ovules with fiber cells removed, and ovules from the fuzzless-lintless mutant harvested at the same age, were extracted, separated, and quantified. Fiber cells contained significantly higher amounts of phosphatidylinositol （PI） than both ovule samples with PI 34：3 being the most predominant spe- cies. The genes encoding fatty acid desaturases （415GhFAD）, PI synthase （PIS） and PI kinase （PIK） were expressed in a fiber-preferential manner. Further analysis of phosphatidylinositol monophosphate （PIP） indicated that elongating fibers contained four- to five-fold higher amounts of PIP 34：3 than the ovules. Exog- enously applied linolenic acid （C18：3）, soybean L-α-PI, and PIPs containing PIP 34：3 promoted significant fiber growth, whereas a liver PI lacking the C18：3 moiety, linoleic acid, and PIP 36：2 were completely ineffec- tive. The growth inhibitory effects of carbenoxolone, 5-hydroxytryptamine, and wortmannin were reverted by C18：3, PI, or PIP, respectively, suggesting that PIP signaling is essential for fiber cell growth. Furthermore, cotton plants expressing virus-induced gene-silencing constructs that specifically suppressed Gh15FAD, GhPIS, or GhPIK expression, resulted in significantly short-fibered phenotypes. Our data provide the basis for in-depth studies on the roles of PI and PIP in mediating cotton fiber growth.

关键词： Gossypium hirsutum fiber elongation mass spectrometry glycerophospholipid profiling phosphati-dylinositol phosphatidylinositol monophosphate

Phytosphinganine Affects Plasmodesmata Permeability via Facilitating PDLP5-Stimulated Callose Accumulation in Arabidopsis

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Molecular Plant 2020年第1期13卷 128-143页

作者： ning-jing liu Tao Zhang Zhao-Hui liu Xin Chen Hui-Shan Guo Bai-Hang Ju Yuan-Yuan Zhang Guo-Zhu Li Qiang-Hui Zhou Yong-Mei Qin Yu-Xian Zhu State Key Laboratory of Protein and Plant Gene Research College of-Life SciencesPeking UniversityRoom 228Jinguang BuildingNo5 in Yi-He Yuan RoadBeijing 100871People's Republic of China State Key Laboratory of Plant Genomics Institute of MicrobiologyChinese Academy of SciencesBeijing 100101 People's Republic of China Institute for Advanced Studies Wuhan UniversityWuhan 430072People's Republic of China

Plant plasmodesmata (PDs) are specialized channels that enable communication between neighboring cells. The intercellular permeability of PDs, which affects plant development, defense, and responses to stimuli, must be tightly regulated. However, the lipid compositions of PD membrane and their impact on PD permeability remain elusive. Here, we report that the Arabidopsis sld1 sld2 double mutant, lacking sphingolipid long-chain base 8 desaturases 1 and 2, displayed decreased PD permeability due to a significant increase in callose accumulation. PD-located protein 5 (PDLP5) was significantly enriched in the leaf epidermal cells of sld1 sld2 and showed specific binding affinity to phytosphinganine (t18:0), suggesting that the enrichment of t18:0-based sphingolipids in sld1 sld2 PDs might facilitate the recruitment of PDLP5 proteins to PDs. The sld1 sld2 double mutant seedlings showed enhanced resistance to the fungal-wilt pathogen Verticillium dahlia and the bacterium Pseudomonas syringae pv. tomato DC3000, which could be fully rescued in sld1 sld2 pdlp5 triple mutant . Taken together, these results indicate that phytosphinganine might regulate PD functions and cell-to-cell communication by modifying the level of PDLP5 in PD membranes.

关键词： plasmodesmata phytosphinganine sphingolipid binding motif PDLP5

Highly conductive and stable iodine doped argyrodite electrolyte for all-solid-state lithium batteries

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Journal of Energy Chemistry 2025年第1期100卷 50-58页

作者： Gaozhan liu jing Zhang jing Yang jinghui Chen Xingyue Xiao Xiayin Yao ningbo Institute of Materials Technology and Engineering Chinese Academy of Sciences Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of Sciences

Lithium argyrodites with high ionic conductivity and low cost are considered as one of the most prospective solid electrolytes for all-solid-state lithium ***,the poor chemical stability and compatibility with lithium metal limit their ***,Li5.4PS4.4Cl1.4I0.2solid electrolyte with high ionic conductivity of 11.49 m S cm-1and improved chemical stability is synthesized by iodine *** ultra-thin Li5.4PS4.4Cl1.4I0.2membrane with thickness of 10μm can be obtained by wet coating process,exhibiting a high ionic conductivity of 2.09 mS cm-1and low areal resistance of 1.17Ω***,iodine doping could in-situ form LiI at the lithium/electrolyte interface and improve the critical current density of Li5.4PS4.4Cl1.6from 0.8 to 1.35 mA *** resultant LiCoO2/Li5.4PS4.4Cl1.4I0.2/Li battery shows excellent cycling stability at 1 C,with a reversible specific capacity of 110.1 mA h g-1and a retention of 80.5% after 1000 *** addition,the assembled LiCoO2/Li5.4PS4.4Cl1.4I0.2membrane/Li pouch cell delivers an initial discharge capacity of 110.4 mA h g-1and 80.5% capacity retention after 100 cycles.

关键词： Argyrodite electrolytes Iodine doping Ionic conductivity Stability All-solid-state lithium battery

Interconnections between diabetic corneal neuropathy and diabetic retinopathy:diagnostic and therapeutic implications

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Neural Regeneration Research 2025年第8期20卷 2169-2180页

作者： Mingyi Yu Faith Teo En ning Chang liu Yu-Chi liu Tissue Engineering and Stem Cell Group Singapore Eye Research InstituteSingapore Yong Loo Lin School of Medicine National University of SingaporeSingapore Department of Cornea and External Eye Disease Singapore National Eye CenterSingapore Ophthalmology and Visual Sciences Academic Clinical Program Duke-NUS Medical SchoolSingapore

Diabetic corneal neuropathy and diabetic retinopathy are ocular complications occurring in the context of diabetes *** corneal neuropathy refers to the progressive damage of corneal *** retinopathy has traditionally been considered as damage to the retinal ***,growing evidence suggests that diabetic retinopathy is a complex neurovascular disorder resulting from dysfunction of the neurovascular unit,which includes both the retinal vascular structures and neural *** retinopathy is one of the leading causes of blindness and is frequently screened for as part of diabetic ocular ***,diabetic corneal neuropathy is commonly overlooked and underdiagnosed,leading to severe ocular surface *** studies have found that these two conditions tend to occur together,and they share similarities in their pathogenesis pathways,being triggered by a status of chronic *** review aims to discuss the interconnection between diabetic corneal neuropathy and diabetic retinopathy,whether diabetic corneal neuropathy precedes diabetic retinopathy,as well as the relation between the stage of diabetic retinopathy and the severity of corneal *** also endeavor to explore the relevance of a corneal screening in diabetic eyes and the possibility of using corneal nerve measurements to monitor the progression of diabetic retinopathy.

关键词： cornea corneal nerves diabetes diabetic corneal neuropathy diabetic retinopathy retina

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Hydrothermal Synthesis and Characterization of Iron Doped near-stoichiometric LiNbO3 Nanometer Powders

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Hydrothermal Synthesis and Characterization of Iron Doped ne...

Co-production of hydrogen, oxygen, and electricity via an integrated solar-driven system with decoupled water electrolyzer and Na-Zn ion battery

第14届全国晶体生长与材料学术会议

作者： CHEN Zhe-ning CHENG Shi-jing① liu Xin-rong (Department of Applied Chemistry Harbin Institute of Technology , Harbin 150001)

With Nb2O5, Li2CO3, Fe2O3 as the basic raw materials, iron doped lithium niobate nanometer powders were prepared at 240℃ for 12h by the hydrothermal method. The crystal phase compositions, chemical el

关键词： lithium niobate nanometer powder hydrothermal synthesis Fe-doped

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Journal of Energy Chemistry 2025年第1期100卷 621-627页

作者： Fei Lv Longjie liu Jiazhe Wu Pengfei Wang Lixia Pan Dengwei jing Yubin Chen International Research Center for Renewable Energy State Key Laboratory of Multiphase Flow in Power Engineering Xi'an Jiaotong University

Combining water electrolysis and rechargeable battery technologies into a single system holds great promise for the co-production of hydrogen （H2） and ***,the design and development of such systems is still in its ***,an integrated hydrogen-oxygen （O2）-electricity co-production system featuring a bipolar membrane-assisted decoupled electrolyzer and a Na-Zn ion battery was established with sodium nickelhexacyanoferrate （NaNiHCF） and Zn2+/Zn as dual redox *** decoupled electrolyzer enables to produce H2and O2in different time and space with almost 100%Faradaic efficiency at 100 mA ***,the charged NaNiHCF and Zn electrodes after the electrolysis processes formed a Na-Zn ion battery,which can generate electricity with an average cell voltage of 1.75 V at 10 m A *** connecting Si photovoltaics with the modular electrochemical device,a well-matched solar driven system was built to convert the intermittent solar energy into hydrogen and electric energy with a solar to hydrogen-electricity efficiency of 16.7%,demonstrating the flexible storage and conversion of renewables.

关键词： Hydrogen Electricity Decoupled water electrolyzer Na-Zn ion battery Solar energy

Sine oculis homeobox homolog family function in gastrointestinal cancer:Progression and comprehensive analysis

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World Journal of Clinical Oncology 2025年第1期16卷 10-24页

作者： Yang-Zheng Lan Zheng Wu Wen-Jia Chen Xin-ning Yu Hua-Tao Wu jing liu Department of The Breast Center Cancer Hospital of Shantou University Medical CollegeShantou 515041Guangdong ProvinceChina Department of General Surgery First Affiliated Hospital of Shantou University Medical CollegeShantou 515041Guangdong ProvinceChina

The sine oculis homeobox homolog(SIX)family,a group of transcription factors characterized by a conserved DNA-binding homology domain,plays a critical role in orchestrating embryonic development and organogenesis across various organisms,including *** six distinct members,from SIX1 to SIX6,each member contributes uniquely to the development and differentiation of diverse tissues and organs,underscoring the versatility of the SIX *** or mutations in SIX genes have been implicated in a spectrum of developmental disorders,as well as in tumor initiation and progression,highlighting their pivotal role in maintaining normal developmental trajectories and cellular *** to target the transcriptional complex of the SIX gene family have emerged as a promising strategy to inhibit tumor *** the development of inhibitors targeting this gene family is still in its early stages,the significant potential of such interventions holds promise for future therapeutic ***,this review aimed to comprehensively explore the advancements in understanding the SIX family within gastrointestinal cancers,focusing on its critical role in normal organ development and its implications in gastrointestinal cancers,including gastric,pancreatic,colorectal cancer,and hepatocellular *** conclusion,this review deepened the understanding of the functional roles of the SIX family and explored the potential of utilizing this gene family for the diagnosis,prognosis,and treatment of gastrointestinal cancers.

关键词： Sine oculis homeobox homolog Gastrointestinal cancer Transcription factor Development Regulation Diagnosis Therapeutics