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Central Asia revealed as a key area in evolution of Eremurus (Asphodelaceae)

Plant Diversity 2024年第3期46卷 333-343页

作者： Dilmurod Makhmudjanov Sergei Volis Ziyoviddin Yusupov Inom Juramurodov Komiljon Tojibaev Tao Deng Hang Sun cas key laboratory for Plant Diversity and biogeography of East Asia Kunming Institute of BotanyChinese Academy of SciencesKunming 650201YunnanChina Yunnan International Joint laboratory for biodiversity of Central Asia Kunming Institute of BotanyChinese Academy of SciencesKunming 650201YunnanChina Institute of Botany Academy Sciences of UzbekistanTashkent 100125Uzbekistan University of Chinese Academy of Sciences Beijing 100864China

Eremurus was described at the beginning of the 19th ***,due to limited sampling and the small number of gene markers to date,its phylogeny and evolution are largely *** this study,we analyzed plastomes from 27 species belonging to 2 subgenera and 3 sections of Eremurus,which are found in Central Asia(its center of diversity)and *** also analyzed nuclear DNA ITS of 33 species,encompassing all subgenera and sections of the genus in Central Asia,southwest Asia and *** findings revealed that the genus was monophyletic,although both subgenera Eremurus and Henningia were found to be *** plastome and nrDNA-based phylogenetic trees had three clades that did not reflect the current taxonomy of the *** biogeographical and time-calibrated trees suggest that Eremurus originated in the ancient Tethyan area in the second half of the *** of Eremurus occurred from the early Oligocene to the late *** Sea retreat and several orogenetic events,such as the progressive uplift of the Qinghai-Tibet Plateau and surrounding mountain belts(Altai,Pamir,Tian Shan),caused serious topographic and climate(aridification)changes in Central Asia that may have triggered a split of clades and *** this transformed Central Asia,speciation proceeded rapidly driven mainly by vicariance caused by numerous mountain chains and specialization to a variety of climatic,topographic and soil conditions that exist in this region.

关键词： Asphodelaceae Asphodeloideae Plastome Central Asia Qinghai-Tibet Plateau

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A New Species of the Genus Scincella Mittleman,1950(Squamata:Scincidae)from Sichuan Province,Southwest China

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Asian Herpetological Research 2024年第2期15卷 115-129页

作者： Ruwan JIA Zongyuan GAO Dihao WU Jinlong REN Dechun JIANG Wei WU 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 SciencesChengdu 610213SichuanChina University of Chinese Academy of Sciences Beijing 100049China

The genus Scincella Mittleman,1950,within the family Scincidae,is a diverse group comprising 39 described *** taxonomy of the genus is complex due to morphological similarities among species,which often obscures the true extent of biodiversity,resulting in several undescribed species requiring further *** China,particularly within the unique ecosystems of the Hengduan Mountains,the diversity of Scincella is notably underestimated,with only 12 species currently *** the present study,we describe a new species of the genus Scincella,Scincella liangshanensis ***.,from Sichuan Province,Southwest *** characteristics and phylogenetic analyses revealed that the putative new species is distinct from all other known *** discovery not only expands the known diversity of Scincella but also emphasizes the inadequacies in our current understanding of herpetological diversity in *** addition of this species to the scientific record highlights the necessity for ongoing biodiversity assessments to uncover hidden species and enhance our understanding of the intricate web of life in one of the world’s biodiversity hotspots.

关键词： morphology phylogeny Scincella liangshanensis sp.nov. taxonomy the Hengduan Mountains

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Geographical patterns and determinants of insect biodiversity in China

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Science China(Life Sciences) 2024年第6期67卷 1255-1265页

作者： Huizhong Fan Tongyi Liu Youhua Chen Ziyan Liao Jun Chen Yibo Hu Gexia Qiao Fuwen Wei cas key laboratory of Animal Ecology and Conservation Biology Institute of ZoologyChinese Academy of SciencesBeijing 100101China cas key laboratory of Mountain Ecological Restoration and Bioresource Utilization&China-Croatia“Belt and Road”Joint laboratory on biodiversity and Ecosystem Services Chengdu Institute of BiologyChinese Academy of SciencesChengdu 610041China Jiangxi Provincial key laboratory of Conservation Biology College of ForestryJiangxi Agricultural UniversityNanchang 330045China University of Chinese Academy of Sciences Beijing 100049China

Insects play important roles in the maintenance of ecosystem functioning and the provision of livelihoods for millions of ***,compared with terrestrial vertebrates and angiosperms,such as the giant panda,crested ibis,and the metasequoia,insect conservation has not attracted enough attention,and a basic understanding of the geographical biodiversity patterns for major components of insects in China is ***,we investigated the geographical distribution of insect biodiversity across multiple dimensions(taxonomic,genetic,and phylogenetic diversity)based on the spatial distribution and molecular DNA sequencing data of *** analysis included 18 orders,360 families,5,275 genera,and 14,115 species of *** results revealed that Southwestern and Southeastern China harbored higher insect biodiversity and numerous older lineages,representing a museum,whereas regions located in Northwestern China harbored lower insect biodiversity and younger lineages,serving as an evolutionary *** also observed that mean annual temperature and precipitation had significantly positive effects,whereas altitude had significantly negative effects on insect biodiversity in most ***,cultivated vegetation harbored the highest insect taxonomic and phylogenetic diversity,and needleleaf and broadleaf mixed forests harbored the highest insect genetic *** results indicated that human activities may positively contribute to insect spatial diversity on a regional *** study fills a knowledge gap in insect spatial diversity in *** findings could help guide national-level conservation plans and the post-2020 biodiversity conservation framework.

关键词： insect spatial patterns multiple dimensions driving factors vegetation types

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Network analysis reveals context-dependent structural complexity of social calls in serrate-legged small treefrogs

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Current Zoology 2024年第2期70卷 253-261页

作者： Ke Deng Qiao-Ling He Tong-Liang Wang Ji-Chao Wang Jian-Guo Cui 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 SciencesChengdu 610041China University of Chinese Academy of Science Beijing 100049China Ministry of Education key laboratory for Ecology of Tropical lslands Key Laboratory of Tropical Animal and Plant Ecology of Hainan ProvinceCollege of Life SciencesHainan Normal UniversityHaikou 571158China

Vocal communication plays an important role in survival,reproduction,and animal social *** and mammals produce com-plex vocal sequence to convey context-dependent *** are conspicuous features of the behavior of most anuran species(frogs and toads),and males usually alter their calling strategies according to ecological context to improve the attractiveness/***,very few studies have focused on the variation of vocal sequence in *** the present study,we used both conventional method and network analysis to investigate the context-dependent vocal repertoire,vocal sequence,and call network structure in serrate-legged small treefrogs Kurixalus *** found that male *** modified their vocal sequence by switching to different call types and increasing repertoire size in the presence of a competitive ***,compared with before and after the playback of advertisement calls,males emited fewer advertisement calls,but more aggressive calls,encounter calls,and compound calls during the playback *** analysis revealed that the mean degree,mean closeness,and mean betweenness of the call networks significantly decreased during the playback period,which resulted in lower *** addition,the increased proportion of one-way motifs and average path length also indicated that the connectivity of the call network decreased in competitive ***,the vocal sequence of *** did not display a clear small-world network structure,regardless of *** study presents a paradigm to apply network analysis to vocal sequence in anurans and has important implications for understanding the evolution and function of sequence patterns.

关键词： call network centrality Kurixalus odontotarsus vocal repertoire vocal sequence.

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Taxonomic Status of Three Recently Proposed Species of the Genus Kurixalus(Anura,Rhacophoridae),with Discussion on the ZooBank Registrations for Electronical Publication

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Asian Herpetological Research 2024年第1期15卷 31-40页

作者： Zhitong LYU Maoliang LI Guanqi WANG Gang LIU Min LIU Ke JIANG Dechun JIANG Jiatang LI cas key laboratory of Mountain Ecological Restoration and Bioresource Utilization Ecological Restoration and Biodiversity Conservation Key Laboratory of Sichuan ProvinceChengdu Institute of BiologyChinese Academy of SciencesChengdu 610040SichuanChina Chengdu Nature Reserve and Wildlife Protection Center Chengdu 610081SichuanChina University of Chinese Academy of Sciences Beijing 100049China

In the present study,we propose the synonymization of Kurixalus silvaenaias with Kurixalus *** conclusion is based on morphological examination and phylogenetic analysis of a series of newly collected specimens,as well as the type series of both *** publication dates of the two species were determined according to the related articles of the International Code of Zoological *** note,the ZooBank registrations for both species are ***,the publication of *** does not qualify as a published work and the correct publication date of *** should be the date on which it was physically ***,based on the results presented in this study and its original description,the proposal of *** is deemed untenable and should,therefore,be considered a junior synonym of *** further provide suggestions for the authors,editors,and publishers who are working on taxonomic publications,as well as for ZooBank to improve the registering service.

关键词： Kurixalus inexpectatus Kurixalus qionglaiensis Kurixalus silvaenaias nomenclature the Code

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Sounding the alarm:Functionally referential signaling in Azure-winged Magpie

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Avian Research 2024年第1期15卷 35-41页

作者： Xingyi Jiang Yanyun Zhang Ministry of Education key laboratory for biodiversity and Ecological Engineering College of Life SciencesBeijing Normal UniversityBeijing 100875China

Functionally referential signals are a complex form of communication that conveys information about the external *** signals have been found in a range of mammal and bird species and have helped us understand the complexities of animal *** are well known for their extraordinary cognitive abilities,but relatively little attention has been paid to their vocal ***,we investigated the functionally referential signals of a cooperatively breeding corvid species,Azure-winged Magpie(Cyanopica cyanus).Through field observations,we suggest that Azure-winged Magpie uses referential alarm calls to distinguish two types of threats:’rasp’ calls for terrestrial threats and ’chatter’ calls for aerial threats.A playback experiment revealed that Azure-winged Magpies responded to the two call types with qualitatively different *** sought cover by flying into the bushes in response to the ’chatter’ calls,and flew to or stayed at higher positions in response to ’rasp’ calls,displaying a shorter response time to ’chatter’ *** differences in acoustic structure were found between the two types of *** the extensive cognitive abilities of corvids and the fact that referential signals were once thought to be unique to primates,these findings are important for expanding our understanding of social communication and language evolution.

关键词： Alarm call Animal communication Azure-winged Magpie Referential signal

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Historical biogeography and evolutionary diversification of Lilium(Liliaceae): New insights from plastome phylogenomics

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Plant Diversity 2024年第2期46卷 219-228页

作者： Nian Zhou Ke Miao Changkun Liu Linbo Jia Jinjin Hu Yongjiang Huang Yunheng Ji cas key laboratory for Plant Diversity and biogeography of East Asia Kunming Institute of BotanyChinese Academy of SciencesKunmingYunnan 650201China University of Chinese Academy of Sciences Beijing 100049China key laboratory of Bio-Resources and Eco-Environment of Ministry of Education College of Life SciencesSichuan UniversityChengduSichuan 610065China Yunnan key laboratory for Integrative Conservation of Plant Species with Extremely Small Population Kunming Institute of BotanyChinese Academy of SciencesKunmingYunnan 650201China

Here, we infer the historical biogeography and evolutionary diversification of the genus Lilium. For this purpose, we used the complete plastomes of 64 currently accepted species in the genus Lilium(14plastomes were newly sequenced) to recover the phylogenetic backbone of the genus and a timecalibrated phylogenetic framework to estimate biogeographical history scenarios and evolutionary diversification rates of Lilium. Our results suggest that ancient climatic changes and geological tectonic activities jointly shaped the distribution range and drove evolutionary radiation of Lilium, including the Middle Miocene Climate Optimum(MMCO), the late Miocene global cooling, as well as the successive uplift of the Qinghai-Tibet Plateau(QTP) and the strengthening of the monsoon climate in East Asia during the late Miocene and the Pliocene. This case study suggests that the unique geological and climatic events in the Neogene of East Asia, in particular the uplift of QTP and the enhancement of monsoonal climate, may have played an essential role in formation of uneven distribution of plant diversity in the Northern Hemisphere.

关键词： Asian monsoon Climatic changes Distribution range Evolutionary complexity Radiative diversification Species diversity Qinghai-Tibet Plateau(QTP)

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ICE1 interacts with IDD14 to transcriptionally activate QQS to increase pollen germination and viability

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Journal of Integrative Plant Biology 2024年第8期66卷 1801-1819页

作者： Landi Luo Yan Zheng Xieshengyang Li Qian Chen Danni Yang Zhijia Gu Ya Yang Yunqiang Yang Xiangxiang Kong Yongping Yang cas key laboratory of Tropical Plant Resources and Sustainable Use Xishuangbanna Tropical Botanical GardenThe Chinese Academy of SciencesXishuangbanna 666303China Germplasm Bank of Wild Species Yunnan Key Laboratory for Crop Wild Relatives OmicsKunming Institute of BotanyThe Chinese Academy of SciencesKunming 650201China School of Agriculture Yunnan UniversityKunming 650091China key laboratory for Plant Diversity and biogeography of East Asia Kunming Institute of BotanyThe Chinese Academy of SciencesKunming 650201China

In flowering plants,sexual reproductive success depends on the production of viable pollen ***,the mechanisms by which QUA QUINE STARCH(QQS)regulates pollen development and how transcriptional activators facilitate the transcription of QQS in this process remain poorly ***,we demonstrate that INDUCER OF CBF EXPRESSION 1(ICE1),a basic helix–loop–helix(b HLH)transcription factor,acts as a key transcriptional activator and positively regulates QQS expression to increase pollen germination and viability in Arabidopsis thaliana by interacting with INDETERMINATE DOMAIN14(IDD14).In our genetic and biochemical experiments,overexpression of ICE1 greatly promoted both the activation of QQS and high pollen viability mediated by ***14 additively enhanced ICE1 function by promoting the binding of ICE1 to the QQS *** addition,mutation of ICE1 significantly repressed QQS expression;the impaired function of QQS and the abnormal anther dehiscence jointly affected pollen development of the ice1-2 *** results also showed that the enhancement of pollen activity by ICE1 depends on ***,QQS interacted with CUT1,the key enzyme for long-chain lipid *** interaction both promoted CUT1 activity and regulated pollen lipid metabolism,ultimately determining pollen hydration and *** results not only provide new insights into the key function of QQS in promoting pollen development by regulating pollen lipid metabolism,but also elucidate the mechanism that facilitates the transcription of QQS in this vital developmental process.

关键词： transcriptional metabolism jointly

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Integrating host biological and ecological variables to predict probability of haemosporidian infection in raptors

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Avian Research 2024年第2期15卷 255-264页

作者： Kai Gao Xuemei Yang Xi Huang Wenhong Deng Ministry of Education key laboratory for biodiversity Science and Ecological Engineering College of Life SciencesBeijing Normal UniversityBeijing100875China

Variations in host traits that influence their exposure and susceptibility may impact probability of vector-transmitted ***,identifying the predictors of infection probability is necessary to understand the risk of disease outbreaks during expanding environmental ***,we conducted a large survey based on microscopic examination and molecular analysis of haemosporidian parasite infection in raptors rescued at the Beijing Raptor Rescue *** these data with biological and ecological variables of the raptors,we determined predictors that affect the probability of haemosporidian infection using generalized linear mixed models and multimodel *** results showed that infection probability exhibited considerable variation across host species in raptors,and body mass,sex,and evolutionary history played relatively weaker roles in driving infection ***,activity pattern,age,geographic range size,migration distance,and nest type were important predictors of the probability of haemosporidian infection,and the role of each predictor differed in the three main haemosporidian genera(Plasmodium,Haemoproteus,and Leucocytozoon).This macro-ecological analysis will add to our understanding of host traits that influence the probability of avian haemosporidian infection and will help inform risk of emerging diseases.

关键词： Activity pattern Emerging infectious diseases Infection probability Interspecific variation Migratory exposure

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From germline genome to highly fragmented somatic genome:genome-wide DNA rearrangement during the sexual process in ciliated protists

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Marine Life Science & Technology 2024年第1期6卷 31-49页

作者： Liping Lyu Xue Zhang Yunyi Gao Tengteng Zhang Jinyu Fu Naomi A.Stover Feng Gao key laboratory of Evolution&Marine biodiversity(Ministry of Education) and Institute of Evolution&Marine BiodiversityOcean University of ChinaQingdao 266003China Department of Biology Bradley UniversityPeoriaIL 61625USA Laoshan laboratory Qingdao 266237China

Genomes are incredibly dynamic within diverse eukaryotes and programmed genome rearrangements(PGR)play important roles in generating genomic ***,genomes and chromosomes in metazoans are usually large in size which prevents our understanding of the origin and evolution of *** expand our knowledge of genomic diversity and the evolutionary origin of complex genome rearrangements,we focus on ciliated protists(ciliates).Ciliates are single-celled eukaryotes with highly fragmented somatic chromosomes and massively scrambled germline *** in ciliates occurs extensively by removing massive amounts of repetitive and selfish DNA elements found in the silent germline genome dur-ing development of the somatic *** report the partial germline genomes of two spirotrich ciliate species,namely Strombidium *** and Halteria grandinella,along with the most compact and highly fragmented somatic genome for *** provide the first insights into the genome rearrangements of these two species and compare these features with those of other *** analyses reveal:(1)DNA sequence loss through evolution and during PGR in *** has combined to produce the most compact and efficient nanochromosomes observed to date;(2)the compact,transcriptome-like somatic genome in both species results from extensive removal of a relatively large number of shorter germline-specific DNA sequences;(3)long chromosome breakage site motifs are duplicated and retained in the somatic genome,revealing a complex model of chromosome fragmentation in spirotrichs;(4)gene scrambling and alternative pro-cessing are found throughout the core spirotrichs,offering unique opportunities to increase genetic diversity and regulation in this group.

关键词： Alternative processing Ciliates Gene scrambling Genome rearrangement Germline genome Somatic genome

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