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The mid-domain effect in flowering phenology

Plant Diversity 2024年第4期46卷 502-509页

作者： Yanjun Du Rongchen Zhang Xinran Tang Xinyang Wang Lingfeng Mao Guoke Chen Jiangshan Lai Keping Ma School of Tropical agriculture and forestry(School of Agricultural and Rural Affairs School of Rural Revitalization)Hainan UniversityHaikou 570228China HNU-ASU Joint International Tourism College Hainan UniversityHaikou 570228China School of Ecological and Environmental Sciences East China Normal UniversityShanghai 200062China College of Ecology and Environment Nanjing Forestry UniversityNanjing 210037China State Key Laboratory of Vegetation and Environmental Change Institute of BotanyChinese Academy of SciencesBeijing 100093China

The timing of flowering is an important driver of species distribution and community assembly ***,we still have much to learn about the factors that shape flowering diversity(i.e.,number of species flowering per period) in plant *** potential explanation of flowering diversity is the mid-domain effect,which states that geometric constraints on species ranges within a bounded domain(space or time) will yield a mid-domain peak in diversity regardless of ecological ***,we determine whether the mid-domain effect explains peak flowering time(i.e.,when most species of communities are flowering) across *** used phenological data of 16,267 herbaceous and woody species from the provincial Flora in China and species distribution data from the Chinese Vascular Plant Distribution Database to determine relationships between the observed number of species flowering and the number of species flowering as predicted by the mid-domain effect model,as well as between three climatic variables(mean minimum monthly temperature,mean monthly precipitation,and mean monthly sunshine duration).We found that the mid-domain effect explained a significant proportion of the temporal variation in flowering diversity across all species in ***,the mid-domain effect explained a greater proportion of variance in flowering diversity at higher latitudes than at lower *** patterns of flowering diversity for both herbaceous and woody species were related to both the mid-domain effect and environmental *** findings indicate that including geometric constraints in conjunction with abiotic and biotic predictors will improve predictions of flowering diversity patterns.

关键词： Flowering diversity Functional biogeography Latitudinal gradient Macroecology Macrophenology Null model

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Alpine grassland degradation intensifies the burrowing behavior of small mammals:evidence for a negative feedback loop

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Integrative Zoology 2024年第2期19卷 240-252页

作者： Zaiwei WANG Jiawen YAN Amy MARTIN Dianne HBRUNTON Jiapeng QU Jin-Sheng HE Weihong JI Zhibiao NAN State Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems College of Pastoral Agriculture Science and TechnologyLanzhou UniversityLanzhouChina Manaaki Whenua-Landcare Research LincolnNew Zealand School of Natural Sciences Massey University(Albany Campus)AucklandNew Zealand Key Laboratory of Adaptation and Evolution of Plateau Biota Northwest Institute of Plateau BiologyChinese Academy of SciencesXiningChina qinghai Haibei National Field Research Station of Alpine Grassland Ecosystem Northwest Institute of Plateau BiologyChinese Academy of SciencesXiningChina Institute of Ecology College of Urban and Environmental Sciencesand Key Laboratory for Earth Surface Processes of the Ministry of EducationPeking UniversityBeijingChina

Globally,grassland degradation is an acute ecological *** alpine grassland on the Tibetan Plateau,increased densities of various small mammals in degraded grassland are assumed to intensify the degradation process and these mammals are subject to lethal ***,whether the negative impact of small mammals is solely a result of population size or also a result of activity and behavior has not been *** this study,we use plateau pika as a model to compare population size,core area of colony,and the number of burrow entrances and latrines between lightly and severely degraded *** test whether the alleged contribution of pika to grassland degradation is a result of increased population size or increased burrowing activities of individuals in response to lower food *** found that grassland degradation resulted in lower plant species richness,plant height,and ***,the overall population size of pika was not significantly affected by location in lightly and severely degraded ***,pika core areas in severely grassland degradation were significantly larger and had significantly higher densities of burrows and *** study provides convincing evidence that habitat-induced changes in the behavior of small,burrowing mammals,such as pika,can exacerbate grassland *** finding has significant implications for managing small mammals and restoring degraded grassland ecosystems.

关键词： burrowing behavior grassland degradation plateau pika population size small mammals

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Acculturation and translation:Modern architectural heritage of Zhongshan Park in Xiamen from typological perspective

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Frontiers of Architectural Research 2024年第3期13卷 613-624页

作者： Xufang Li Xiangpin Zhou Feifan Weng Fanzhuo Ding Zhenxin Yi Department of Landscape Architecture College of Architecture&Urban PlanningTongji UniversityShanghai 200092China Department of Landscape Architecture College of Landscape Architecture&ArtFujian Agriculture and Forestry UniversityFuzhou 350002China academy of Art&Design Tsinghua UniversityBeijing 100084China Graduate School of Techno Design Kookmin UniversitySeoulRepublic of Korea

The modern architectural heritage is the core carrier of city’s historical inheritance and *** value is related to the spatial and temporal evolution of the urban landscape,along with the collective memory of society and transformation in public *** contradiction between high-speed urban construction and architectural heritage preservation has proliferated,and the problems of loss of heritage culture and fading of relics are very significant,but there is a lack of research on modern architectural *** study analysed indepth the artistic archetypes and evolutionary characteristics of the architecture of Zhongshan Park in Xiamen through field research and historical data collation,adopting the theory method of architectural ***,we analysed the architectural typology of Zhongshan Park in Xiamen and the process of acculturation and translation with foreign cultures,explored the motives of its formation and the cultural meanings of the public space embodied in *** on this,we proposed a sustainable development heritage approach for the modern architectural heritage of Zhongshan Park in *** results indicate that modern architectural art has inherited classical Chinese historical and cultural traditions and ideological *** unique characteristics reflect the spirit of the times and result from the gradual development of Western ***,it embodies a strong sense of national *** findings enrich the academic research on the cultural interaction between Chinese and Western architecture,offering valuable insights for the conservation and living heritage of modern architectural heritage in other regions.

关键词： Modern architectural heritage Acculturation translation Architectural typology Sun Yat-sen culture Xiamen Zhongshan Park

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Population genomics highlights structural variations in local adaptation to saline coastal environments in woolly grape

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Journal of Integrative Plant Biology 2024年第7期66卷 1408-1426页

作者： Tianhao Zhang Wenjing Peng Hua Xiao Shuo Cao Zhuyifu Chen Xiangnian Su Yuanyuan Luo Zhongjie Liu Yanling Peng Xiping Yang Guo-Feng Jiang Xiaodong Xu Zhiyao Ma Yongfeng Zhou National Key Laboratory of Tropical Crop Breeding Shenzhen BranchGuangdong Laboratory of Lingnan Modern AgricultureKey Laboratory of Synthetic BiologyMinistry of Agriculture and Rural AffairsAgricultural Genomics Institute at ShenzhenChinese Academy of Agricultural SciencesShenzhen 518000China State Key Laboratory for Conservation and Utilization of Subtropical Agro‐Bioresources Guangxi UniversityNanning 530004China Guangxi Key Laboratory of Forest Ecology and Conservation Guangxi Colleges and Universities Key Laboratory for Cultivation and Utilization of Subtropical Forest PlantationCollege of ForestryGuangxi UniversityNanning 530004China College of Informatics Huazhong Agricultural UniversityWuhan 430070China Guangxi Key Laboratory of Sugarcane Biology College of AgricultureGuangxi UniversityNanning 530004China Key Laboratory of Horticultural Plant Biology Ministry of Education Huazhong Agricultural UniversityWuhan 430070China Zhengzhou Fruit Research Institute Chinese Academy of Agricultural SciencesZhengzhou 450009China National Key Laboratory of Tropical Crop Breeding Tropical Crops Genetic Resources InstituteChinese Academy of Tropical Agricultural SciencesHaikou 571101China

Structural variations(SVs)are a feature of plant genomes that has been largely unexplored despite their significant impact on plant phenotypic traits and local adaptation to abiotic and biotic *** this study,we employed woolly grape(Vitis retordii),a species native to the tropical and subtropical regions of East Asia with both coastal and inland habitats,as a valuable model for examining the impact of SVs on local *** assembled a haplotype-resolved chromosomal reference genome for woolly grape,and conducted population genetic analyses based on whole-genome sequencing(WGS)data from coastal and inland *** demographic analyses revealed recent bottlenecks in all populations and asymmetric gene flow from the inland to the coastal *** total,1,035 genes associated with plant adaptive regulation for salt stress,radiation,and environmental adaptation were detected underlying local selection by SVs and SNPs in the coastal population,of which 37.29% and 65.26% were detected by SVs and SNPs,*** genes such as FSD2,RGA1,and AAP8 associated with salt tolerance were found to be highly differentiated and selected during the process of local adaptation to coastal habitats in SV *** study highlights the importance of SVs in local adaptation;candidate genes related to salt stress and climatic adaptation to tropical and subtropical environments are important genomic resources for future breeding programs of grapevine and its rootstocks.

关键词： climate change grape breeding local adaptation with gene flow salt tolerance viticulture Vitis

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Soil properties and not plant factors affect both abundant and rare microbial taxa after thinning in a mixed stand of Cunninghamia lanceolata and Sassafras tzumu

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Journal of forestry Research 2024年第2期35卷 81-94页

作者： Wanxia Peng Tongqing Song Hu Du Feng Wang Fuping Zeng Yang Wang Shulin Chen Yinzhu Chen Key Laboratory of Agro‑Ecological Processes in Subtropical Region Institute of Subtropical AgricultureChinese Academy of SciencesChangsha 410125People’s Republic of China Guangxi Industrial Technology Research Institute for Karst Desertification Control Nanning 530001People’s Republic of China Huanjiang Observation and Research Station for Karst Ecosystems Institute of Subtropical AgricultureChinese Academy of SciencesChangsha 410125People’s Republic of China Hubei Ecology Polytechnic College Wuhan 430200People’s Republic of China Hubei Tongshan Damushan State Forest Farm Tongshan 437652People’s Republic of China

Thinning is an effective management step for sustainable forest development,yet less attention is paid to the restoration of soil microbiota after *** this study,both abundant and rare soil microbial communities(i.e.,bacterial,fungal),were evaluated under various thinning treatments in a mixed stand of Cunninghamia lanceolata and Sassafras tzumu using Mi Seq *** did not significantly change either abundant or rare bacterial and fungal community composition,but affected their alpha *** Shannon–Wiener indexes of rare fungal taxa under medium thinning were significantly lower than in the light thinning(P<0.05 level).Xanthobacteraceae dominated the abundant bacterial taxa,and Saitozyma and Mortierlla the abundant fungal *** most common rare bacterial taxa varied;there was no prevalent rare fungal taxa under different *** addition,soil available nitrogen,total phosphorus,and p H had significant effects on rare bacterial ***,especially available phosphorus,but not nitrogen,affected abundant and rare soil *** results indicate that soil properties rather than plant factors affect abundant and rare microbial communities in soils of mixed ***,through mediating soil properties,influences both abundant and rare bacterial and fungal communities in the mixed *** and *** stand.

关键词： Diversity Abundant taxa Rare taxa Thinning Mixed stand

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Two imprinted genes primed by DEMETER in the central cell and activated by WRKY10 in the endosperm

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Journal of Genetics and Genomics 2024年第8期51卷 855-865页

作者： Ke Yang Yuling Tang Yue Li Wenbin Guo Zhengdao Hu Xuanpeng Wang Frédéric Berger Jing Li College of Life Science and Technology Huazhong Agricultural UniversityWuhanHubei 430070China Sanya Institute of Breeding and Multiplication Hainan UniversitySanyaHainan 572025China School of Tropical agriculture and forestry Hainan UniversityHaikouHainan 570228China Hainan Yazhou Bay Seed Laboratory SanyaHainan 572025China Gregor Mendel Institute Austrian Academy of SciencesVienna BioCenter1030 ViennaAustria

The early development of the endosperm is crucial for balancing the allocation of maternal nutrients to *** process is believed to be evolutionarily associated with genomic imprinting,resulting in parentally biased allelic gene *** Fertilization Independent Seed(FIS)genes,the number of imprinted genes involved in early endosperm development and seed size determination remains *** study introduces early endosperm-expressed HAIKU(IKU)downstream Candidate F-box 1(ICF1)and ICF2 as maternally expressed imprinted genes(MEGs)in Arabidopsis *** these genes are also demethylated by DEMETER(DME)in the central cell,their activation differs from the direct DME-mediated activation seen in classical MEGs such as the FIS ***,ICF maternal alleles carry pre-established hypomethylation in their promoters,priming them for activation by the WRKY10 transcription factor in the *** the contrary,paternal alleles are predominantly suppressed by CG ***,we find that ICF genes partially contribute to the small seed size observed in iku *** discovery reveals a two-step regulatory mechanism that highlights the important role of conventional transcription factors in the activation of imprinted genes,which was previously not fully ***,the mechanism provides a new dimension to understand the transcriptional regulation of imprinting in plant reproduction and development.

关键词： Imprinting Epigenetics DNAmethylation Seedsize Endosperm

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Emergence of highly pathogenic avian influenza A(H5N8)clade 2.3.4.4b viruses in grebes in Inner Mongolia and Ningxia,China,in 2021

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Journal of Integrative agriculture 2024年第1期23卷 348-353页

作者： Qiuzi Xu Xinru Lü Yi Li Hua Luo Zhen Zhang Xiang Li Rongxiu Qin Qing An Fengyi Qu Zhenliang Zhao Chengbo Zhang Weidong Wang Yuecheng Li Yajun Wang Xiangwei Zeng Zhijun Hou Jingqiang Ren Yulong Wang Yanbing Li Hongliang Chai College of Wildlife and Protected Area Northeast Forestry UniversityHarbin 150040China Harbin Veterinary Research Institute Chinese Academy of Agricultural SciencesHarbin 150040China Wenzhou Key Laboratory for Virology and Immunology Institute of VirologyWenzhou UniversityWenzhou 325000China Ordos forestry and Grassland Administration Ordos 017000China Monitoring Center for Terrestrial Wildlife Epidemic Diseases Yinchuan 750000China

Highly pathogenic avian influenza(HPAI)subtype H5Nx viruses have spread globally and are a major concern for poultry,wild birds,mammals,and even humans(de Vries et al.2015;Zeng et al.2022).The hemagglutinin(HA)genes of H5 subtype viruses have evolved into multiple clades and some of these clades have been further divided into subclades(Cui et al.2022).Clade 2.***.4.4H5N8 HPAI viruses(HPAIVs)have caused several waves of disease outbreaks in wild birds and domestic poultry(Wang et al.2022).

关键词： poultry Ningxia influenza

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Population genetic insights into the conservation of common walnut(Juglans regia)in Central Asia

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Plant Diversity 2024年第5期46卷 600-610页

作者： Linjiang Ye Robabeh Shahi Shavvon Hailing Qi Hongyu Wu Pengzhen Fan Mohammad Nasir Shalizi Safiullah Khurram Mamadzhanov Davletbek Yerlan Turuspekov Jie Liu CAS Key Laboratory for Plant Diversity and Biogeography of East Asia Kunming Institute of BotanyChinese Academy of SciencesKunming 650201YunnanChina Key Laboratory of Plant Resources and Biodiversity of Jiangxi Province Jingdezhen UniversityJingdezhen 333400JiangxiChina Germplasm Bank of Wild Species&Yunnan Key Laboratory of Crop Wild Relatives Omics Kunming Institute of BotanyChinese Academy of SciencesKunming 650201YunnanChina Department of Biology Faculty of ScienceYasouj UniversityYasouj 75918-74934Iran University of Chinese academy of Sciences Beijing 100049China Department of forestry and Environmental Resources North Carolina State UniversityRaleighNC 27695United States Department of forestry and Natural Resources Faculty of AgricultureKabul UniversityKabul D-1006Afghanistan National academy of Science of the Kyrgyz Republic Jalal-Abad Scientific CenterJalal-Abad 715600Kyrgyzstan Laboratory of Molecular Genetics Institute of Plant Biology and BiotechnologyAlmaty 050040Kazakhstan

The common walnut(Juglans regia)is one of the most economically important nut trees cultivated *** its importance,no comprehensive evaluation of walnut tree population genetics has been undertaken across the range where it originated,Central *** this study,we investigated the genetic diversity and population structure of 1082 individuals from 46 populations across Central *** found moderate genetic diversity of *** across Central Asia,with 46 populations clustered into three groups with a weak relationship between genetic and geographic *** findings reveal that the western Himalaya might be the core region of common walnut genetic diversity in Central Asia and that,except for two populations in Gongliu Wild Walnut Valley,humans might have introduced walnut populations to Xinjiang,*** observed distribution of the genetic landscape has probably been affected by historical climate fluctuation,breeding system,and prolonged anthropogenic *** propose the conservation of the core genetic diversity resources in the western Himalaya and pay special attention to populations from Gongliu in *** findings enhance our understanding of the genetic variation throughout the distribution range of *** in Central Asia,which will provide a key prerequisite for evidence-based conservation and management.

关键词： Central Asia Genetic diversity Germplasm management Gongliu wild walnut valley Juglans regia Western Himalaya

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Effects of Melatonin on Spermatozoa Activity and Associated Mechanisms in Heat-Stressed Rats

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Journal of Clinical and Nursing Research 2024年第7期8卷 97-111页

作者： Kai Tan Wenduo Chen Jing Huang Jianzhi Pan School of Life Sciences China Jiliang UniversityHangzhou 310018Zhejiang ProvinceChina College of Animal Science and Technology Zhejiang Agriculture and Forestry UniversityHangzhou 311300Zhejiang ProvinceChina Zhejiang academy of agriculture Science Virology and Biotechnology InstituteHangzhou 310021Zhejiang ProvinceChina

In animals,heat stress(HS)disrupts spermatogenesis,reducing sperm quality and,in severe cases,potentially inducing the loss of male reproductive *** confers significant resistance to oxidative stress and apoptosis;however,its specific effects on rat spermatocytes and the mechanism underlying its anti-HS effects remain inadequately ***,this study aimed to analyze the effects of melatonin at different concentrations on sperm cell activity in heat-stressed *** heat stress injury,sperm viability and density assay,sperm plasma membrane integrity analysis,and oxidative stress assay of testicular tissue were *** results revealed that HS caused sperm cell ***,the intraperitoneal injection of melatonin effectively improved spermatozoa quality,and a dose of 1 mM significantly alleviated the HS-induced ***,HS increased the levels of oxidative and endoplasmic reticulum(ES)stress in rat testicular tissues,inducing germ cell apoptosis and pathological ***,melatonin treatment improved sperm cell viability and density,inhibited germ cell apoptosis,and reduced oxidative and ES stress ***,melatonin effectively reduced the adverse effects of HS on rat sperm cells,and an intraperitoneal injection of 1 mM(0.6966 mg)melatonin facilitated the normal production of ***,its mechanism may involve reduced ES and oxidative stress levels in testicular tissues,increased expression of the anti-apoptotic protein Bcl-2,and inhibition of germ cell apoptosis.

关键词： Melatonin Rat Spermatocyte Spermatogenesis Antioxidant

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Phosphorus lights up the trade-off between growth and immunity

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Molecular Plant 2024年第5期17卷 689-690页

作者： Wenyuan Ruan Meina Guo Keke Yi State Key Laboratory of Efficient Utilization of Arid and Semi-arid Arable Land in Northern China/Key Laboratory of Plant Nutrition and Fertilizer Ministry of AgricultureInstitute of Agricultural Resources and Regional PlanningChinese Academy of Agricultural SciencesBeijingChina State Key Laboratory of Efficient Production of Forest Resources/National Engineering Research Center of Tree Breeding and Ecological Restoration College of Biological Sciences and TechnologyBeijing Forestry UniversityBeijingChina

How plants respond simultaneously to various biotic and abiotic stresses to balance growth and immunity is an old but vibrant *** need to effectively integrate multiple signaling inputs to make the final decision and,thus,use limited resources ***,plant secondary metabolites,including phytohormones,are the key to modulate investment of resources into immunity or ***,the molecular mechanisms underlying this allocation dilemma are far from being understood.

关键词： immunity lights integrate

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