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fighting and aggressive sound determines larger male to win male-male competition in a bark beetle

Insect Science 2021年第1期28卷 203-214页

作者： Zhu-Dong Liu Jacob D.Wickham Jiang-Hua Sun State Key Laboratory of Integrated Management of Pest Insects and Rodents Institute of ZoologyChinese Academy of SciencesChaoyang DistrictBeijingChina CAS Center for Excellence in Biotic Interactions Chinese Academy of SciencesChaoyang DistrictBeijingChina

Intrasexual selection occurs in male-male competition over access to females and usually results in the larger male winning.While much research has documented that size matters,little is known about how the larger male wins.Dendroctonus vale ns is an aggregating monogamous bark beetle in which males have large variation in body size and display intense competition over females.Behavioral observation showed two males fight each other within the gallery by pushing/shoving and stridulated more when two males encountered each other.Experiments using two different-sized males synchronously competing showed that larger males won 95%of contests.Reciprocal displacement experiments using muted and intact males of different or equal size were used to simulate male-male competition.Larger males displaced the smaller resident male in 90%of contests,while smaller males prevailed over larger residents in 6.7%of contests.With both males silenced,larger males displaced smaller males in 80%of con tests,while smaller males prevailed in 8%of con tests.Further experiments using equal-sized males showed aggressive soundemitting males displaced muted males in 67%of contests,yet intact males displaced other intact males in only 37.5%of con tests.Sound analysis showed sound pressure level is an honest signal of body size and males chose soft sounds over loud aggressive sounds in assays.Therefore,D.valens males have evolved dual behaviors,fighting and aggressive sounds associated with body size,to assess rivals to compete for a partner,gaining insights in male-male competition for this species and for other animals.

关键词： aggressive soun ds animal con test theory bark bee tie body size fighting male-male competition

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fighting against the common enemy of COVID-19: a practice of building a community with a shared future for mankind

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Infectious Diseases of Poverty 2020年第2期9卷 8-13页

作者： Xu Qian Ran Ren Youfa Wang Yan Guo Jing Fang Zhong-Dao Wu Pei-Long Liu Tie-Ru Han 无 School of Public Health/Global Health Institute Fudan UniversityShanghai 200032China Global Health Center Dalian Medical UniversityDalian 116021China Global Health Institute School of Public HealthXi’an Jiaotong UniversityXi’an 710061China Global Health Center School of Public HealthBeijing UniversityBeijing 100871China Kunming Medical University Yunnan 650500China Zhongshan School of Medicine Sun Yat-Sen UniversityGuangzhou 510080China Society of Global Health Chinese Preventive Medicine AssociationBeijing 100013China Steering Committee Society of Global HealthChinese Preventive Medicine Association

The outbreak of coronavirus disease 2019(COVID-19)has caused more than 80813 confirmed cases in all provinces of China,and 21110 cases reported in 93 countries of six continents as of 7 March 2020 since middle December 2019.Due to biological nature of the novel coronavirus,named severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)with faster spreading and unknown transmission pattern,it makes us in a difficulty position to contain the disease transmission globally.To date,we have found it is one of the greatest challenges to human beings in fighting against COVID-19 in the history,because SARS-CoV-2 is different from SARS-CoV and MERS-CoV in terms of biological features and transmissibility,and also found the containment strategies including the non-pharmaceutical public health measures implemented in China are effective and successful.In order to prevent a potential pandemic-level outbreak of COVID-19,we,as a community of shared future for mankind,recommend for all international leaders to support preparedness in low and middle income countries especially,take strong global interventions by using old approaches or new tools,mobilize global resources to equip hospital facilities and supplies to protect noisome infections and to provide personal protective tools such as facemask to general population,and quickly initiate research projects on drug and vaccine development.We also recommend for the international community to develop better coordination,cooperation,and strong solidarity in the joint efforts of fighting against COVID-19 spreading recommended by the joint mission report of the WHO-China experts,against violating the International Health Regulation(WHO,2005),and against stigmatization,in order to eventually win the battle against our common enemy—COVID-19.

关键词： COVID-19 SARS-CoV-2 Outbreak Pandemic fighting Preparedness International health regulation Quarantine

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Whole-genome resequencing infers genomic basis of giant phenotype in Siamese fighting fish(Betta splendens)

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Zoological Research 2022年第1期43卷 78-80页

作者： Le Wang Fei Sun May Lee Gen-Hua Yue Molecular Population Genetics&Breeding Group Temasek Life Sciences LaboratorySingapore 117604Singapore Department of Biological Sciences National University of SingaporeSingapore 117543Singapore

Understanding the genetic basis of phenotypes is of importance in evolutionary biology and for genetic improvement of economically valuable animals.The giant phenotype of the fighting fish,Betta splendens,provides a unique opportunity to explore the genetic architecture of overgrowth in body size.As such,we re-sequenced and analyzed the genomes of 54 fighting fish.Genome-wide FST and selective sweep analyses using 3582429 DNA variants revealed three genomic regions at chr1,chr9,and chr11 that were associated with the giant phenotype.With a total length of~3.5 Mb,these regions showed high divergence between the giant and non-giant bettas.In contrast,no signature of selection was detected in the wild-type fish.Transcriptome analysis of brain and muscle samples from giant and normal bettas identified 14 candidate genes that were likely responsible for the giant phenotype.Overall,our data provide novel insights into the genetic basis of body size variation.The genome sequences,transcriptome sequences,DNA sequence variants,and candidate genes for body size provide valuable resources for further biological and evolutionary studies,as well as for rapid improvement in growth-related traits.

关键词： fighting Whole giant

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保供保畅稳运行奋战一线守国门

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航空港 2022年第1期 8-57页

有一种守护叫并肩作战,有一种责任叫勇往直前。他们用坚毅和无畏,与这座城市同心战疫。There is a kind of guard called fighting side by side and a kind of responsibility called marching forward courageously.

关键词： fighting guard courage

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New neuroprotective perspectives in fighting oxidative stress and improving cellular energy metabolism by oleocanthal

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Neural Regeneration Research 2019年第7期14卷 1217-1218页

作者： Cristina Angeloni Laura Giusti Silvana Hrelia School of Pharmacy University of Camerino Department of Clinical and Experimental Medicine University of Pisa Department for Life Quality Studies Alma Mater Studiorum-University of Bologna

Neurodegenerative diseases are a heterogeneous group of disorders characterized by a progressive dysfunction and death of neural cells which lead to compromised motor or cognitive function.Morphologically,the loss of neuron is associated with both gliosis and,frequently,with abnormal accumulation of extracellular and intracellular filamentous deposit in specific cell types.With a rapidly increasing aging population,these diseases are becoming a primary health problem(Albers and Beal,2000).

关键词： New neuroprotective fighting oxidative

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SARS-CoV-2 spike protein:flexibility as a new target for fighting infection

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Signal Transduction and Targeted Therapy 2020年第1期5卷 321-323页

作者： Ciro Leonardo Pierri Laboratory of Biochemistry Molecular and Structural BiologyDepartment of BiosciencesBiotechnologiesBiopharmaceuticsUniversity of BariVia E.Orabona470125 BariItaly BROWSer S.r.l.(https://***/)c/o Department of Biosciences BiotechnologiesBiopharmaceuticsUniversity“Aldo Moro”of BariVia E.Orabona470126 BariItaly

The recent study of Turoňováet al.,is the first to combine cryoelectron tomography,subtomogram averaging,and molecular dynamics simulations for analyzing the structure of the SARS-CoV-2 spike protein in situ,1 i.e.w... 详细信息

关键词： al infection fighting

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Thanks to all medical workers fighting against COVID-19

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Frontiers of Medicine 2020年第2期14卷 249-250页

作者： Xiao-ping Chen Tongji Hospital Tongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430030China

As the saying goes,spring always comes after winter.Cold winter has been driven away by vibrant spring in the past three months.Meanwhile,Wuhan where I live,like a patient,has just recovered from a dangerous illness,and has managed to achieve major phased results in the fight against COVID-19.Today,Wuhan will be re-opened,and over ten million heroic people here will work hard for the rebirth of this great city.

关键词： spring winter fighting

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Promoting the fighting spirit against the pandemic and planning a new chapter of nursing

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International Journal of Nursing Sciences 2021年第1期8卷 1-2页

作者： Xinjuan Wu The Chinese Nursing Association China

2020 has been an extraordinary year.After the outbreak of the coronavirus disease 2019(COVID-19),vast numbers of nurses have made an exceptional contribution to improving the recovery and reducing the mortality of patients.On International Nurses Day,President Xi Jinping extended festive congratulations and sincere condolences to nurses nationwide,and fully affirmed their important contributions in winning the battle against the pandemic in China and ensuring the safety and health of people in all countries.This is a great encouragement to us.We will bear in mind the President’s instructions,implement the fighting spirit against the pandemic in our work,insist on the people’s supremacy,importance of putting life first,and ensure the health of the people.

关键词： nurse fighting mortality

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Heroes fighting Against Poverty

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初中生学习指导 2022年第27期 34-35页

作者：王秀凤辽宁

Poverty(贫穷)is a big problem in the world,but China had done a good job to deal with it and made the greatest achievement.During fighting poverty,we've been moved by many heroes.

关键词： fighting Poverty greatest

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fighting Against Terrorism

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Beijing Review 2019年第18期62卷 28-29页

作者： Yuan Yuan 不详

A white paper on the fight against terrorism and extremism and the protection of human rights in northwest China's Xinjiang Uygur Autonomous Region was issued by the State Council Information Office on March 18.

关键词： fighting Against Terrorism white paper human rights

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