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Overexpression of wild-type HRAS drives non-alcoholic steatohepatitis to hepatocellular carcinoma in mice

Zoological Research 2024年第3期45卷 551-566页

作者： Chen Ling Su-Su Liu Yu-Ya Wang Gui-Tao Huo Yan-Wei Yang Nan Xu Hong Wang Yong Wu Yu-Fa Miao Rui Fu Yu-Wei Zhao Chang-Fa Fan College of Life Sciences Northwest UniversityProvincial Key Laboratory of Biotechnology of Shaanxi ProvinceXi’anShaanxi 710069China Division of Animal Model Research Institute for Laboratory Animal ResourcesNational Institutes for Food and Drug Control(NIFDC)Beijing 102629China national Center for Safety Evaluation of Drugs National Institutes for Food and Drug Control(NIFDC)Beijing 100176China Division of HIV/AIDS and Sexually Transmitted Virus Vaccines Institute for Biological Products ControlNational Institutes for Food and Drug Control(NIFDC)Beijing 102629China Division of laboratory Animal Monitoring Institute for Laboratory Animal ResourcesNational Institutes for Food and Drug Control(NIFDC)Beijing 102629China

Hepatocellular carcinoma(HCC),a prevalent solid carcinoma of significant concern,is an aggressive and often fatal disease with increasing global incidence rates and poor therapeutic *** etiology and pathological progression of non-alcoholic steatohepatitis(NASH)-related HCC is multifactorial and ***,no single animal model can accurately mimic the full NASH-related HCC pathological progression,posing considerable challenges to transition and mechanistic ***,a novel conditional inducible wild-type human HRAS overexpressed mouse model(HRAS-HCC)was established,demonstrating 100%morbidity and mortality within approximately one month under normal dietary and lifestyle *** symptoms of HCC such as ascites,thrombus,internal hemorrhage,jaundice,and lung metastasis were successfully replicated in ***-depth pathological features of NASH-related HCC were demonstrated by pathological staining,biochemical analyses,and typical marker gene *** murine anti-PD-1 and sorafenib treatment effectively prolonged mouse survival,further confirming the accuracy and reliability of the *** on protein-protein interaction(PPI)network and RNA sequencing analyses,we speculated that overexpression of HRAS may initiate the THBS1-COL4A3 axis to induce NASH with severe fibrosis,with subsequent progression to ***,our study successfully duplicated natural sequential progression in a single murine model over a very short period,providing an accurate and reliable preclinical tool for therapeutic evaluations targeting the NASH to HCC continuum.

关键词： HRAS THBS1 HCC driver factor NASH Fibrosis Cirrhosis HCC Treatment evaluation

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Differences in leaf cuticular wax induced by whole-genome duplication in autotetraploid sour jujube

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Horticultural Plant Journal 2024年第1期10卷 66-76页

作者： Meng Li Chenxing Zhang Lu Hou Xinru Liu Hanqing Zhao Xiaoming Pang Wenhao Bo Yingyue Li national Engineering Research Center of Tree Breeding and Ecological Restoration College of Biological Sciences and TechnologyBeijing Forestry UniversityBeijing 100083China Key laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants Ministry of EducationCollege of Biological Sciences and TechnologyBeijing Forestry UniversityBeijing 100083China The Tree and Ornamental Plant Breeding and Biotechnology laboratory of national Forestry and grassland Administration Beijing Forestry UniversityBeijing 100083China

Drought-resistant plants exhibit strong water retention *** this regard,the autotetraploid sour jujube leaves exhibit better water retention than diploid *** comparisons and physiological comparisons of diploid and autotetraploid leaves showed that the autotetraploid leaves had thicker leaf cuticles and more leaf wax accumulation than the diploid leaves,which could reduce cuticle permeability and improve the drought tolerance of *** this study,the cuticular wax crystalloids on the adaxial and abaxial sides of young and mature jujube leaves were observed in the two ploidy types,and unique cuticular wax crystalloids covering a large area of the cuticle on autotetraploid sour jujube leaves may provide an advantage in reducing leaf non-stomata transpiration and improving plant drought *** on the transcriptome,115 differentially expressed genes between diploids and autotetraploids were further analyzed and found to be involved in the accumulation of cuticular wax components,including terpenoids,fatty acids,and lipids,as well as ABC transporter and wax biosynthetic ***,14 genes differentially expressed between glossy autotetraploid leaves and nonglossy diploid leaves,such as LOC107414787,LOC107411574 and LOC107413721,were screened as candidate genes by qRT-PCR *** findings provided insights into how polyploidization improved drought tolerance.

关键词： Autotetraploid Jujube Drought tolerance Cuticular wax RNA-seq

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Sclerodermus alternatusi(Hymenoptera:Bethylidae),a new species from China,parasitizing Monochamus alternatus(Coleoptera:Cerambycidae)

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Zoological Systematics 2024年第3期49卷 258-266页

作者： Zhongqi Yang Xiaoyi Wang Zhaoyao Duan Yanlong Zhang Yi’nanZhang Liangming Cao Ke Wei Key Lab of Forest Protection National Forestry and Grassland AdministrationEcology and Nature Conservation InstituteChinese Academy of ForestryBeijing 100091China Research Institute of biological control Beijing Vocational College of AgricultureBeijing 102442China Research Institute of Forest Protection Yunnan Academy of Forestry and GrasslandKunming 650201China

A new species,Sclerodermus alternatusi Yang,***.(Hymenoptera:Bethylidae),is described and *** cerambycid host,Monochamus alternatus Hope,a severe wood borer attacking many pine trees(Pinus spp.),is also a vector of pine wood nematode,Bursaphelencus xylophilus,which cause severe damages to pine forests in *** new species is a gregarious ectoparasitoid of junior larva of *** number of adult wasps reared from a single host larva ranges from 6 to *** ratio of female to male is 20:*** new parasitoid species has a high potential in using as a biocontrol agent for the wood *** of the new species with comparisons to its related species,*** Yang&Yao and a key to known species of Sclerodermus from China is provided.

关键词： Ectoparasitoid larval parasitoid taxonomy biological control

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First complete genomic sequence analysis of canine distemper virus in wild boar

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Virologica Sinica 2024年第4期39卷 702-704页

作者： Tong Wang Haiying Du Na Feng Yuhang Liu Yu Xu Heting Sun Peng Peng Siyuan Qin Xiaotian Zhang Yan Liu Mingyuan Yu Hongrui Liang Biao He Guoqiang Zhu Changchun Tu Zhongzhong Tu Jiangsu Co-Innovation Center for the Prevention and control of Important Animal Infectious Disease and Zoonoses Yangzhou UniversityYangzhou 225009China Changchun Veterinary Research Institute Chinese Academy of Agricultural SciencesChangchun 130122China biological Disaster control and Prevention Center National Forestry and Grassland AdministrationShenyang 110034China

Dear Editor,Canine distemper virus(CDV)is the causal agent of a highly contagious viral infectious disease that affects domestic and wild carnivores *** is an enveloped,non-segmented negative sense RNA virus that belongs to the Morbillivirus genus in Paramyxoviridae family,which contains viruses of epidemiological relevance to humans and *** on the variability of the hemagglutinin gene(H),CDV strains have been at least 21 major genetic lineages:America-1 to America-5,Canada-1 and-2,Asia-1 to Asia-6,Europe wild-life,Arctic,Africa-1/South Africa,Africa-2,South America-1 to South America-3 and Rockborn-like(Giacinti et al.,2022).Mutations in the binding sites of the H protein,which interact with viral entry receptors such as signaling lymphocytic activation molecule(SLAM)and nectin-4,are associated with the emergence of the disease in new host species(Beineke et al.,2015).

关键词： distemper Canada globally

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Molecular insights into self-incompatibility systems:From evolution to breeding

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Plant Communications 2024年第2期5卷 23-45页

作者： Diyang Zhang Yuan-Yuan Li Xuewei Zhao Cuili Zhang Ding-Kun Liu Siren Lan Weilun Yin Zhong-Jian Liu Key laboratory of national Forestry and grassland Administration for Orchid Conservation and Utilization Fujian Agriculture and Forestry UniversityFuzhou 350002China College of Forestry Fujian Agriculture and Forestry UniversityFuzhou 350002China College of biological Sciences and Technology Beijing Forestry UniversityBeijing 100083China

Plants have evolved diverse self-incompatibility(SI)systems for *** Darwin’s time,consid-erable progress has been made toward elucidating this unrivaled reproductive *** advances in interdisciplinary studies and applications of biotechnology have given rise to major break-throughs in understanding the molecular pathways that lead to SI,particularly the strikingly different SI mechanisms that operate in Solanaceae,Papaveraceae,Brassicaceae,and *** best-un-derstood SI systems,together with discoveries in other"nonmodel"SI taxa such as Poaceae,suggest a complex evolutionary trajectory of SI,with multiple independent origins and frequent and irreversible *** exploration of self-/nonself-discrimination signaling cascades has revealed a compre-hensive catalog of male and female identity genes and modifier factors that control *** also enable the characterization,validation,and manipulation of SI-related factors for crop improvement,helping to address the challenges associated with development of inbred ***,we review current knowledge about the evolution of SI systems,summarize key achievements in the molecular basis of pol-len‒pistil interactions,discuss potential prospects for breeding of SI crops,and raise several unresolved questions that require further investigation.

关键词： self-incompatibility S-RNase evolution genome editing crop improvement

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The jasmonate pathway promotes nodule symbiosis and suppresses host plant defense in Medicago truncatula

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Molecular Plant 2024年第8期17卷 1183-1203页

作者： Da Guo Jingrui Li Peng Liu Yuzhan Wang Na Cao Xiangling Fang Tao Wang Jiangli Dong College of biological Sciences China Agricultural UniversityBeijing 100193China State Key laboratory of Plant Environmental Resilience College of Biological SciencesChina Agricultural UniversityBejing 100193China State Key laboratory of Herbage Improvement and grassland Agro-ecosystems College of Pastoral Agriculture Science and TechnologyLanzhou UniversityLanzhou730020China

Root nodule symbiosis(RNs)between legumes and rhizobia is a major source of nitrogen in agricultural *** symbiosis requires precise regulation of plant defense *** role of the defense hormone jasmonic acid(JA)in the immune response has been extensively *** research shows that JA can play either a positive or negative regulatory role in RNS depending on its concentration,but the molecular mechanisms remain to be *** this study,we found that inoculation with the rhizobia Sm1021 induces the JA pathway in Medicago truncatula,and blocking the JA pathway significantly reduces the number of infection *** in the MtMYc2 gene,which encodes a JA signaling master transcription factor,significantly inhibited rhizobia infection,terminal differentiation,and symbiotic cell *** RNA sequencing and chromatin immunoprecipitation sequencing,we discovered that MtMYc2 regulates the expression of nodule-specific MtDNF2,MtNAD1,and MtSymCRK to suppress host defense,while it activates MtDNF1 expression to regulate the maturation of MtNCRs,which in turn promotes bacteroid *** importantly,MtMYC2 participates in symbiotic signal transduction by promoting the expression of ***,the MtMYC2-MtiPD3 transcriptional regulatory module is specifically present in legumes,and the Mtmyc2 mutants are susceptible to the infection by the pathogen Rhizoctonia ***,these findings reveal the molecular mechanisms of how the JA pathway regulates RNS,broadening our understanding of the roles of JA in plant-microbe interactions.

关键词： jasmonic acid MYC2 symbiosis defense Medicago truncatula

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Object use in insects

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Insect Science 2024年第4期31卷 1001-1014页

作者： Chao Wen Cai Wang Xiaoli Guo Hongyu Li Haijun Xiao Junbao Wen Shikui Dong School of grassland Science Beijing Forestry UniversityBeijingChina College of Forestry and Landscape Architecture South China Agricultural UniversityGuangzhouChina Beijing Key laboratory for Forest Pest control Beijing Forestry UniversityBeijingChina

Insects are the most diverse group of organisms in the animal kingdom,and some species exhibit complex social *** research on insect object use is still in its early stages,insects have already been shown to display rich object-use *** review focuses on patterns and behavioral flexibility in insect object-use behavior,and the role of cultural evolution in the development of object-use *** use in insects is not widespread but has been documented in a diverse set of *** insects can use objects flexibly and display various object-use *** mammals and birds,insects use objects in diverse activities,including foraging,predator defense,courtship,and ***,pre-existing manipulative behaviors,and anatomical structure affect innovations in object *** addition,learning and imitation are the main mechanisms underlying the spread of object-use behaviors within *** that insects are one of the major animal groups engaging in object use,studies of insect object use could provide general insights into object use in the animal kingdom.

关键词： cognition evolution insects learning object use

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Elucidating regulatory processes of intense physical activity by multi-omics analysis

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Military Medical Research 2024年第4期11卷 479-499页

作者： Ernesto S.Nakayasu Marina A.Gritsenko Young-Mo Kim Jennifer E.Kyle Kelly G.Stratton Carrie D.Nicora Nathalie Munoz Kathleen M.Navarro Daniel Claborne Yuqian Gao Karl K.Weitz Vanessa L.Paurus Kent J.Bloodsworth Kelsey A.Allen Lisa M.Bramer Fernando Montes Kathleen A.Clark Grant Tietje Justin Teeguarden Kristin E.Burnum-Johnson biological Sciences Division Pacific Northwest National LaboratoryRichlandWA 99352USA Environmental and Molecular Sciences Division Pacific Northwest National LaboratoryRichlandWA 99352USA Centers for Disease control and Prevention National Institute for Occupational Safety and HealthWestern States DivisionDenverCO 80204USA Computational Analytics Division Pacific Northwest National LaboratoryRichlandWA 99352USA national Security Directorate Pacific Northwest National LaboratoryRichlandWA 99352USA Los Angeles County Fire Department Los AngelesCA 90063USA Centers for Disease control and Prevention National Institute for Occupational Safety and HealthRespiratory Health DivisionMorgantownWV 26505USA Environmental and Molecular Toxicology Oregon State UniversityCorvallisOR 97331USA

Background:Physiological and biochemical processes across tissues of the body are regulated in response to the high demands of intense physical activity in several occupations,such as firefighting,law enforcement,military,and sports.A better understanding of such processes can ultimately help improve human performance and prevent illnesses in the work ***:To study regulatory processes in intense physical activity simulating real-life conditions,we performed a multi-omics analysis of 3 biofluids(blood plasma,urine,and saliva)collected from 11 wildland firefighters before and after a 45 min,intense exercise *** profiles ***-exercise were compared by Student’s t-test followed by pathway analysis and comparison between the different omics ***:Our multi-omics analysis identified and quantified 3835 proteins,730 lipids and 182 metabolites combining the 3 different types of *** blood plasma analysis revealed signatures of tissue damage and acute repair response accompanied by enhanced carbon metabolism to meet energy *** urine analysis showed a strong,concomitant regulation of 6 out of 8 identified proteins from the renin-angiotensin system supporting increased excretion of catabolites,reabsorption of nutrients and maintenance of fluid *** saliva,we observed a decrease in 3 pro-inflammatory cytokines and an increase in 8 antimicrobial peptides.A systematic literature review identified 6 papers that support an altered susceptibility to respiratory ***:This study shows simultaneous regulatory signatures in biofluids indicative of homeostatic maintenance during intense physical activity with possible effects on increased infection susceptibility,suggesting that caution against respiratory diseases could benefit workers on highly physical demanding jobs.

关键词： Multi-omics analysis Intense exercise Human performance Biofluids Metabolism Immunity

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Nitrogen addition increased resistance of resident plant community to Solidago canadensis invasion by altering allelopathic effect

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Journal of Plant Ecology 2024年第2期17卷 110-121页

作者： Jing-Fang Cai Kai Sun Lin Li Si-Ha A Yi-Luan Shen Hong-Li Li School of Ecology and Nature Conservation Beijing Forestry UniversityBeijing 100083China The Key laboratory of EcologicalProtection in the Yellow River Basin of national Forestry and grassland Administration Beijing Forestry UniversityBeijing 100083China

Allelopathy plays an important role in the interaction between invasive and resident *** nitrogen(N)deposition has become a global problem,but it is unclear whether N enrichment affects the interaction between invasive and resident plants by affecting their ***,we performed a greenhouse experiment in which the resident plant community was grown under two levels of invasion by ***(invasion *** invasion)and fully crossed with two levels of allelopathy(with or without adding activated carbon)and two levels of N addition(with or without).The resident plant communities were constructed with eight herbaceous species that often co-occur with *** results showed that both allelopathy of *** and the resident plants had obvious positive effects on their own *** addition had more obvious positive effects on the resident plants under invasion than those that were not ***,N addition also altered the allelopathy of resident ***,N addition improved the allelopathy of resident plants when they were invaded but decreased the allelopathy of resident plants when they grew *** nitrogen addition had no obvious effect on ***,it reduced the allelopathy of *** results suggest that N addition could improve the resistance of resident plants to invasion by improving the allelopathy of resident plants and reducing the allelopathy of *** fndings provide a scientifc basis to manage and control the *** invasion.

关键词： allelochemicals biological invasion nutrient input nitrogen addition resident plants Solidago canadensis

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Combining field data and modeling to better understand maize growth response to phosphorus(P) fertilizer application and soil P dynamics in calcareous soils

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Journal of Integrative Agriculture 2024年第3期23卷 1006-1021页

作者： Weina Zhang Zhigan Zhao Di He Junhe Liu Haigang Li Enli Wang School of biological and Food Processing Engineering Huanghuai UniversityZhumadian 463000China Key laboratory of Plant-Soil Interactions Ministry of Education/College of Resources and Environmental SciencesChina Agricultural UniversityBeijing 100193China Inner Mongolia Key laboratory of Soil Quality and Nutrient Resources/Key laboratory of grassland Resource(IMAU) Ministry of Education/College of GrasslandResources and EnvironmentInner Mongolia Agricultural UniversityHohhot 010018China CSIRO Agriculture and Food CanberraACT 2601Australia

We used field experimental data to evaluate the ability of the agricultural production system model (APSIM) to simulate soil P availability,maize biomass and grain yield in response to P fertilizer applications on a fluvo-aquic soil in the North China *** and soil data from a 2-year experiment with three P fertilizer application rates(0,75 and 300 kg P_(2)O_(5) ha^(–1)) were used to calibrate the *** analysis was carried out to investigate the influence of APSIM SoilP parameters on the simulated P availability in soil and maize *** and soil P parameters were then derived by matching or relating the simulation results to observed crop biomass,yield,P uptake and Olsen-P in *** re-parameterized model was further validated against 2 years of independent data at the same *** re-parameterized model enabled good simulation of the maize leaf area index (LAI),biomass,grain yield,P uptake,and grain P content in response to different levels of P additions against both the calibration and validation *** results showed that APSIM needs to be re-parameterized for simulation of maize LAI dynamics through modification of leaf size curve and a reduction in the rate of leaf senescence for modern staygreen maize cultivars in *** P concentration limits (maximum and minimum P concentrations in organs)at different stages also need to be *** results further showed a curvilinear relationship between the measured Olsen-P concentration and simulated labile P content,which could facilitate the initialization of APSIM P pools in the NCP with Olsen-P measurements in future *** remains difficult to parameterize the APSIM SoilP module due to the conceptual nature of the pools and simplified conceptualization of key P transformation processes.A fundamental understanding still needs to be developed for modelling and predicting the fate of applied P fertilizers in soils with contrasting physical and chemical characteristics.

关键词： maize phosphorus availability modeling APSIM maize APSIM SoilP

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