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Dietary Supplementation of β-Carotene Reveals miRNAs Involved in the Regulation of Carotenoid Metabolism in Crassostrea gigas

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Journal of Ocean University of China 2024年第4期23卷 1045-1053页

作者： SUN Dongfang WAN Sai YU Hong KONG Lingfeng LI Qi Key laboratory of Mariculture Ministry of EducationOcean University of ChinaQingdao 266003China laboratory for Marine Fisheries Science and Food Production Processes Laoshan LaboratoryQingdao 266237China

Carotenoids play crucial physiological roles in animals.A comprehensive investigation into the mechanism of carotenoid metabolism in oysters will establish a theoretical foundation for further development of its carotenoid-rich ***,the information on the function of miRNA in β-carotene metabolism in oysters is *** elucidate the mechanisms underlying miRNA regulation of carotenoid metabolism in oysters,we compared the expressions of miRNA in digestive gland tissues of Pacific oyster(Crassostrea gigas)fed with aβ-carotene supplemented diet and a normal diet,respectively.A total of 690 candidate miRNAs in the Pacific oyster digestive gland tissues were identified,including 590 known miRNAs and 111 unknown *** differentially expressed miRNAs were obtained in the carotenoid-fed and normal groups,associated to 137 differentially expressed target ***,the GO enrichment analysis revealed that the differentially expressed target genes were mainly involved in transmembrane transport *** enrichment showed that the differentially expressed target genes were involved in ABC *** of the mRNA-miRNA network revealed that novel0025 played a central role in carotenoid metabolism,and it was negatively correlated with the expression of 46 *** addition,down-regulated expression of novel0025 upregulated the expression of the lipoprotein gene LOC105342186,suggesting a potential regulatory role in carotenoid *** results provide useful information for elucidating the miRNA regulation mechanism during carotenoids metabolism in the Pacific oyster.

关键词： Crassostrea gigas β-carotene microRNA carotenoid metabolism

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Study of tree shrew biology and models: A booming and prosperous field for biomedical research

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Zoological Research 2024年第4期45卷 877-909页

作者： Yong-Gang Yao Li Lu Rong-Jun Ni Rui Bi Ceshi Chen Jia-Qi Chen Eberhard Fuchs Marina Gorbatyuk Hao Lei Hongli Li Chunyu Liu Long-Bao Lv Kyoko Tsukiyama-Kohara Michinori Kohara Claudia Perez-Cruz Gregor Rainer Bao-Ci Shan Fang Shen An-Zhou Tang Jing Wang Wei Xia Xueshan Xia Ling Xu Dandan Yu Feng Zhang Ping Zheng Yong-Tang Zheng Jumin Zhou Jiang-Ning Zhou Key laboratory of Genetic Evolution and Animal Models Yunnan Key Laboratory of Animal Models and Human Disease MechanismsKunming Institute of ZoologyChinese Academy of SciencesKunmingYunnan 650204China National Research Facility for Phenotypic&Genetic Analysis of Model animals(Primate Facility) and National Resource Center for Non-Human PrimatesKunming Institute of ZoologyChinese Academy of SciencesKunmingYunnan 650107China KIZ-CUHK Joint laboratory of Bioresources and Molecular Research in Common Diseases Kunming Institute of ZoologyChinese Academy of SciencesKunmingYunnan 650204China Kunming College of Life Science University of Chinese Academy of SciencesKunmingYunnan 650204China Mental health Center and Psychiatric laboratory West China HospitalSichuan UniversityChengduSichuan 610041China Sichuan Clinical Medical Research Center for Mental Disorders ChengduSichuan 610044China German Primate Center Leibniz Institute of Primate ResearchGöttingen 37077Germany Department of Optometry and Vision Science School of OptometryUniversity of Alabama at BirminghamBirminghamAL 35294USA State Key laboratory of Magnetic Resonance and Atomic and Molecular Physics Innovation Academy for Precision Measurement Science and TechnologyChinese Academy of SciencesWuhanHubei 430071China Wuhan National laboratory for Optoelectronics Huazhong University of Science and TechnologyWuhanHubei 430074China Soong Ching Ling Institute of Maternity and Child health International Peace Maternity and Child Health HospitalShanghai Jiao Tong University School of MedicineShanghai 200030China Transboundary Animal Diseases Center Joint Faculty of Veterinary MedicineKagoshima UniversityKagoshima-cityKagoshima 890-8580Japan Department of Microbiology and Cell biology Tokyo Metropolitan Institute of Medical ScienceTokyo 156-8506Japan Pharmacology Department CinvestavMexico City 07360Mexico Department of Medicine University of FribourgFribourg CH-1700Switzerland Beijing Engineering Research Center of Radiog

The tree shrew(Tupaia belangeri)has long been proposed as a suitable alternative to non-human primates(NHPs)in biomedical and laboratory research due to its close evolutionary relationship with *** recent years,significant advances have facilitated tree shrew studies,including the determination of the tree shrew genome,genetic manipulation using spermatogonial stem cells,viral vector-mediated gene delivery,and mapping of the tree shrew brain ***,the limited availability of tree shrews globally remains a substantial challenge in the ***,determining the key questions best answered using tree shrews constitutes another *** shrew models have historically been used to study hepatitis B virus(HBV)and hepatitis C virus(HCV)infection,myopia,and psychosocial stress-induced depression,with more recent studies focusing on developing animal models for infectious and neurodegenerative *** these efforts,the impact of tree shrew models has not yet matched that of rodent or NHP models in biomedical *** review summarizes the prominent advancements in tree shrew research and reflects on the key biological questions addressed using this *** emphasize that intensive dedication and robust international collaboration are essential for achieving breakthroughs in tree shrew *** use of tree shrews as a unique resource is expected to gain considerable attention with the application of advanced techniques and the development of viable animal models,meeting the increasing demands of life science and biomedical research.

关键词： Tree shrew Animal model Neurodegenerative diseases Infectious diseases Neuroscience Phenome

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Prolonged intermittent theta burst stimulation restores the balance between A_(2A)R-and A_(1)R-mediated adenosine signaling in the 6-hydroxidopamine model of Parkinson's disease

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Neural Regeneration Research 2025年第7期20卷 2053-2067页

作者： Milica Zeljkovic Jovanovic Jelena Stanojevic Ivana Stevanovic Milica Ninkovic Tihomir V.Ilic Nadezda Nedeljkovic Milorad Dragic laboratory for Neurobiology Department of General Physiology and BiophysicsFaculty of BiologyUniversity of BelgradeBelgradeSerbia Medical Faculty of Military Medical Academy University of DefenceBelgradeSerbia

An imbalance in adenosine-mediated signaling,particularly the increased A_(2A)R-mediated signaling,plays a role in the pathogenesis of Parkinson's *** therapeutic approaches fail to alter disease progression,demonstrating the need for novel approaches in *** transcranial magnetic stimulation is a non-invasive approach that has been shown to improve motor and non-motor symptoms of Parkinson's ***,the underlying mechanisms of the beneficial effects of repetitive transcranial magnetic stimulation remain *** purpose of this study is to investigate the extent to which the beneficial effects of prolonged intermittent theta burst stimulation in the 6-hydroxydopamine model of experimental parkinsonism are based on modulation of adenosine-mediated *** with unilateral 6-hydroxydopamine lesions underwent intermittent theta burst stimulation for 3 weeks and were tested for motor skills using the Rotarod ***,quantitative reverse transcription polymerase chain reaction,immunohistochemistry,and biochemical analysis of components of adenosine-mediated signaling were performed on the synaptosomal fraction of the lesioned caudate *** intermittent theta burst stimulation improved motor symptoms in 6-hydroxydopamine-lesioned animals.A 6-hydroxydopamine lesion resulted in progressive loss of dopaminergic neurons in the caudate *** with intermittent theta burst stimulation began 7 days after the lesion,coinciding with the onset of motor *** treatment with prolonged intermittent theta burst stimulation,complete motor recovery was *** improvement was accompanied by downregulation of the e N/CD73-A_(2A)R pathway and a return to physiological levels of A_(1)R-adenosine deaminase 1 after 3 weeks of intermittent theta burst *** results demonstrated that 6-hydroxydopamine-induced degeneration reduced the expression of A_(1)R and elevated the expression of A_(2A)***

关键词： A_(1)R A_(2A)R adenosine receptors adenosine ecto-5′-nucleotidase intermittent theta burst stimulation non-invasive brain stimulation Parkinson's disease purinergic signalling

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Chromosome-level genome assembly of the glass catfish(Kryptopterus vitreolus)reveals molecular clues to its transparent phenotype

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Zoological Research 2024年第5期45卷 1027-1036页

作者： Chao Bian Rui-Han Li Zhi-Qiang Ruan Wei-Ting Chen Yu Huang Li-Yue Liu Hong-Ling Zhou Cheong-Meng Chong Xi-Dong Mu Qiong Shi laboratory of Aquatic Genomics College of Life Sciences and OceanographyShenzhen UniversityShenzhenGuangdong 518057China Key laboratory of Prevention and Control for Aquatic Invasive Alien Species Ministry of Agriculture and Rural AffairsGuangdong Modern.Recreational Fisheries Engineering Technology CenterPearl River Fisheries Research InstituteChinese Academy of Fishery SciencesGuangzhouGuangdong 510380China Shenzhen Key Lab of Marine Genomics Guangdong Provincial Key Lab of Molecular Breeding in Marine Economic AnimalsBGI Academy of Marine SciencesBGI MarineShenzhenGuangdong 518081China CAS Key laboratory of Mountain Ecological Restoration and Bioresource Utilization&Ecological Restoration and Biodiversity Conservation Key laboratory of Sichuan Province Chengdu Institute of BiologyChinese Academy of SciencesChengduSichuan 610041China School of Life Sciences Jiaying UniversityMeizhouGuangdong 514015China China Zebrafish Resource Center National Aquatic Biological Resource CenterState Key Laboratory of Freshwater Ecology and BiotechnologyInstitute of HydrobiologyChinese Academy of ScienceWuhanHubei 430072China Shenzhen Branch Guangdong Laboratory for Lingnan Modern AgricultureGenome Analysis Laboratory of the Ministry of Agriculture and Rural AffairsAgricultural Genomics Institute at ShenzhenChinese Academy of Agricultural SciencesShenzhenGuangdong 518116China State Key laboratory of Quality Research in Chinese Medicine Institute of Chinese Medical SciencesUniversity of MacaoMacaoMacao 999078China Center for Aquatic Genomics College of Life SciencesNeijiang Normal UniversityNeijiangSichuan 641100China

Glass catfish(Kryptopterus vitreolus)are notable in the aquarium trade for their highly transparent body *** transparency is due to the loss of most reflective iridophores and light-absorbing melanophores in the main body,although certain black and silver pigments remain in the face and *** date,however,the molecular mechanisms underlying this transparent phenotype remain largely *** explore the genetic basis of this transparency,we constructed a chromosome-level haplotypic genome assembly for the glass catfish,encompassing 32 chromosomes and 23344 protein-coding genes,using PacBio and Hi-C sequencing technologies and standard assembly and annotation *** revealed a premature stop codon in the putative albinism-related tyrp1b gene,encoding tyrosinase-related protein 1,rendering it a nonfunctional ***,a synteny comparison with over 30 other fish species identified the loss of the endothelin-3(edn3b)gene in the glass catfish *** investigate the role of edn3b,we generated edn3b^(−/−)mutant zebrafish,which exhibited a remarkable reduction in black pigments in body surface stripes compared to wild-type *** findings indicate that edn3b loss contributes to the transparent phenotype of the glass *** high-quality chromosome-scale genome assembly and identification of key genes provide important molecular insights into the transparent phenotype of glass *** findings not only enhance our understanding of the molecular mechanisms underlying transparency in glass catfish,but also offer a valuable genetic resource for further research on pigmentation in various animal species.

关键词： Glass catfish Whole-genome sequencing edn3b−/−mutant Transparent phenotype

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Estimating SVCV waterborne transmission and predicting experimental epidemic development:A modeling study using a machine learning approach

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Water biology and Security 2024年第1期3卷 60-70页

作者： Jiaji Pan Qijin Zeng Wei Qin Jixiang Chu Haibo Jiang Haiyan Chang Jun Xiao Hao Feng State Key laboratory of Developmental biology of Freshwater Fish College of Life ScienceHunan Normal UniversityChangsha410081China College of Engineering and Design Hunan Normal UniversityChangsha410081China

Viral infectious diseases significantly threaten the sustainability of freshwater fish *** lack of studies on epidemic transmission patterns and mechanisms inhibits the development of containment strategies from the viewpoint of veterinary public *** study raises an epidemic mathematical model considering water transmission with the aim of analyzing the transmission process more *** basic reproduction number R0 was derived by the model parameter including the water transmission coefficient and was used for the analysis of the virus *** viremia of carp virus(SVCV)and zebrafish were used as model viruses and animals,respectively,to conduct the transmission *** through water was achieved by connecting two aquarium tanks with a water channel but blocking the fish movement between the *** the collected experimental data,we determined the optimal hybrid machine learning algorithm to analyze the transmission process using an established mathematical *** addition,future transmission was predicted and validated using the epidemic model and an optimal ***,the sensitivity of model parameters and the simulations of R0 variation were performed based on the modified complex epidemic *** study is of significance in providing theoretical guidance for minimizing R0 by manipulating model parameters with containment *** importantly,since the modified model and algorithm demonstrated better performance in handling freshwater fish transmission problems,this study advances the future application of transmissible disease modeling with larger datasets in freshwater fish aquaculture.

关键词： Epidemic mathematical model Hybrid machine learning algorithm Reproduction number Sensitivity analysis SVCV transmission

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Implications of MMP-12 in the pathophysiology of ischaemic stroke

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Stroke & Vascular Neurology 2024年第2期9卷 97-107页

作者： Krishna Kumar Veeravalli Cancer biology and Pharmacology University of Illinois College of Medicine at PeoriaPeoriaIllinoisUSA

This article focuses on the emerging role of matrix metalloproteinase-12(MMP-12)in ischaemic stroke(IS).MMP-12 expression in the brain increases dramatically in animal models of IS,and its suppression reduces brain damage and promotes neurological,sensorimotor and cognitive functional ***,MMP-12 could represent a potential target for the management of *** article provides an overview of MMP-12 upregulation in the brain following IS,its deleterious role in the post-stroke pathogenesis(blood-brain barrier disruption,inflammation,apoptosis and demyelination),possible molecular interactions and mechanistic insights,its involvement in post-ischaemic functional deficits and recovery as well as the limitations,perspectives,challenges and future directions for further *** to testing any MMP-12-targeted therapy in patients with acute IS,additional research is needed to establish the effectiveness of MMP-12 suppression against IS in older animals and in animals with *** article also examines the clinical implications of suppressing MMP-12 alone or in combination with MMP-9 for extending the currently limited tissue plasminogen activator therapy time *** of MMP-12 is expected to have a profound influence on the therapeutic management of IS in the future.

关键词： involvement alone directions

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Supplementation of Lycium barbarum residue increases the growth rate of Tan sheep by enhancing their feed intake and regulating their rumen microbiome and metabolome

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Journal of Integrative Agriculture 2024年第9期23卷 3129-3144页

作者： Yajun Zhang Xiao Chang Bing Wang Dawei Wei Rongzhen Zhong Yansheng Guo Min Du Guijie Zhang College of Forestry and Prataculture Ningxia UniversityYinchuan 750021China Jilin Provincial Key laboratory of Grassland Farming Northeast Institute of Geography and AgoecologyChinese Academy of SciencesChangchun 130102China State Key laboratory of Animal Nutrition/College of Animal Science and Technology China Agricultural UniversityBeijing 100193China College of Animal Science and Technology Ningxia UniversityYinchuan 750021China Nutrigenomics and Growth biology laboratory Department of Animal SciencesWashington State UniversityPullmanWA 99164USA

Lycium barbarum residue(LBR),a by-product of *** processing,is packed with bioactive components and can be potentially utilized as a feed additive in animal ***,the fundamental understanding of its effectiveness on livestock animals is still lacking,particularly in *** explore the effects of LBR on the growth performance,rumen fermentation parameters,ruminal microbes and metabolites of Tan sheep,sixteen fattening rams(aged 4 mon)were fed a basal diet(CON,n=8)or a basal diet supplemented with 5%LBR(LBR,n=8).The experiment lasted for 70 d,with 10 d adaptation period and 60 d treatment *** results showed that the LBR enhanced the average daily feed intake,average daily gain(P<0.05),and ruminal total volatile fatty acids(P<0.01)while decreasing ammonia-nitrogen concentration and rumen pH value(P<0.05).Additionally,the LBR improved the relative abundances of Prevotella,Succiniclasticum,Ruminococcus,Coprococcus,Selenomonas,and Butyrivibrio(P<0.05)and reduced the relative abundances of Oscillospira and Succinivibrio(P<0.05).The LBR altered the ruminal metabolome(P<0.01)by increasing the abundances of ruminal metabolites involved in amino acids(e.g.,L-proline,L-phenylalanine,L-lysine,and L-tyrosine),pyrimidine metabolism(e.g.,uridine,uracil,and thymidine),and microbial protein synthesis(e.g.,xanthine and hypoxanthine).In conclusion,LBR had positive effects on the growth rate of Tan sheep as well as on rumen fermentation parameters,rumen microbiome and rumen metabolome.

关键词： Lycium barbarum residue rumen microbiome metabolomics growth performance Tan sheep

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Is the speed of adjusting to environmental change condition dependent?An experiment with house mice(Mus musculus)

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Current Zoology 2024年第3期70卷 350-360页

作者： Karem Lopez-Hervas Neelam Porwal Mathilde Delacoux Alexandros Vezyrakis Anja Guenther RG Behavioural Ecology of Individual Differences Max Planck Institute for Evolutionary Biology24306 PlönGermany Department of Evolutionary biology Faculty of BiologyAdam Mickiewicz UniversityWieniawskiego 161-712 PoznańPoland Department for Collective Behaviour Max Planck Institute of Animal Behaviour78464 ConstanceGermany Centre for the Advanced Study of Collective Behaviour University of Konstanz78464 ConstanceGermany Animal Ecology Institute for Biochemistry and BiologyUniversity of Potsdam14469 PotsdamGermany

Environmental conditions change constantly either by anthropogenic perturbation or naturally across space and ***,a change in behavior is the frst response to changing *** fexibility can potentially improve an organism’s chances to survive and ***,we lack an understanding on the time-scale such behavioral adjustments need,how they actually affect reproduction and survival and whether behavioral adjustments are suffcient in keeping up with changing *** used house mice(Mus musculus)to test whether personality and life-history traits can adjust to an experimentally induced food-switch fexibly in adulthood or by intergenerational plasticity,that is,adjustments only becoming visible in the offspring *** lived in 6 experimental populations of semi-natural environments either on high or standard quality food for 4 *** showed previously that high-quality food induced better conditions and a less risk-prone ***,we tested whether the speed and/or magnitude of adjustment shows condition-dependency and whether adjustments incur ftness ***-history but not personality traits reacted fexibly to a food-switch,primarily by a direct reduction of reproduction and sloweddown *** whose parents received a food-switch developed a more active stress-coping personality and gained weight at a slower rate compared with their respective ***,the modulation of most traits was condition-dependent,with animals previously fed with high-quality food showing stronger *** study highlights that life-history and personality traits adjust at different speed toward environmental change,thus,highlighting the importance of the environment and the mode of response for evolutionary models.

关键词： animal personality context dependence environmental change Match-mismatch non-genetic inheritance phenotypic flexibility phenotypic plasticity

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A test of the species confidence hypothesis in dusky damselfish

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Current Zoology 2024年第1期70卷 79-86页

作者： Elle Overs Sydney Stump Isabel Severino Daniel T.Blumstein Department of Ecology and Evolutionary biology University of CaliforniaLos AngelesCA 90095-1606USA

Visual cues are important in both interspecific and intraspecific *** species confidence hypothesis proposes that animals are more attracted to conspecific colors and repelled by colors,not on their *** on terrestrial lizards and birds have tested the species confidence hypothesis and shown that conspecific colors elicit reduced antipredator *** date,the species confidence hypothesis has not been tested in the marine environment,specifically on coral reefs where color communication is of vital *** addressed this knowledge gap by measuring flight initiation distance(the distance an individual moves away from an approaching threat)in dusky damselfish(Stegastes nigricans)in response to an approaching disc of 1 of 4 different color treatments:conspecific,blue,yellow,and *** the species confidence hypothesis explained variation in damselfish flight initiation distance,then we expected individuals to tolerate closer approaches when approached by a conspecific *** addition,we calculated the color difference between each stimulus and its corresponding back-ground as a potential alternative explanation for flight *** tolerated the closest approach from the conspecific color stimulus;there were no significant differences between other colors and there was no support for the alternative color difference *** with similar terrestrial studies,these results are relevant to ecotourists'choice of swimsuit and wetsuit colors because color choice may modify naturalantipredatorbehavior.

关键词： antipredator behavior flight initiation distance risk assessment species confidence hypothesis Stegastes nigricans

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How plants sense and respond to osmotic stress

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Journal of Integrative Plant biology 2024年第3期66卷 394-423页

作者： Bo Yu Dai-Yin Chao Yang Zhao Shanghai Center for Plant Stress biology CAS Center for Excellence in Molecular Plant SciencesThe Chinese Academy of SciencesShanghai 200032China Key laboratory of Plant Carbon Capture The Chinese Academy of SciencesShanghai 200032China National Key laboratory of Plant Molecular Genetics CAS Center for Excellence in Molecular Plant SciencesInstitute of Plant Physiology and EcologyThe Chinese Academy of SciencesShanghai 200032China University of Chinese Academy of Sciences Beijing 100049China

Drought is one of the most serious abiotic stresses to land *** sense and respond to drought stress to survive under water *** have studied how plants sense drought stress,or osmotic stress caused by drought,ever since Charles Darwin,and gradually obtained clues about osmotic stress sensing and signaling in *** stress is a physical stimulus that triggers many physiological changes at the cellular level,including changes in turgor,cell wall stiffness and integrity,membrane tension,and cell fluid volume,and plants may sense some of these stimuli and trigger downstream *** this review,we emphasized water potential and movements in organisms,compared putative signal inputs in cell wall-containing and cell wall-free organisms,prospected how plants sense changes in turgor,membrane tension,and cell fluid volume under osmotic stress according to advances in plants,animals,yeasts,and bacteria,summarized multilevel biochemical and physiological signal outputs,such as plasma membrane nanodomain formation,membrane water permeability,root hydrotropism,root halotropism,Casparian strip and suberin lamellae,and finally proposed a hypothesis that osmotic stress responses are likely to be a cocktail of signaling mediated by multiple *** also discussed the core scientific questions,provided perspective about the future directions in this field,and highlighted the importance of robust and smart root systems and efficient source-sink allocations for generating future high-yield stress-resistant crops and plants.

关键词： cell volume drought membrane tension osmotic stress turgor

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