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Dosage compensation of sex chromosomes in animals. 动物性染色体的剂量补偿。
遗传 Pub Date : 2025-02-01 DOI: 10.16288/j.yczz.24-165
Xiao-Shu Chen, Jia-Bi Chen
{"title":"Dosage compensation of sex chromosomes in animals.","authors":"Xiao-Shu Chen, Jia-Bi Chen","doi":"10.16288/j.yczz.24-165","DOIUrl":"10.16288/j.yczz.24-165","url":null,"abstract":"<p><p>The origin and evolution of sex chromosomes have long been a focus of research in biology. Two of the most studied systems are the XY system and the ZW system. Due to Y/W degeneration, heterozygous (XY/ZW) sex-linked genes are absent and their dosage is reduced when compared to autosomal genes and homozygous (XX/ZZ) sex-linked genes, creating an issue of dosage imbalance between sex chromosomes and autosomes. Multiple evolutionary models have been proposed to explain the evolutionary mechanism of dosage compensation that might resolve such dosage imbalance. In this review, we summarize the findings related to the dosage effect of sex chromosomes from a variety of perspectives, including transcriptomes, proteomes, haploid cells, and single cells. In addition, a summary of the dosage effect of sex chromosomes in major phylogenetic branches of multiple species is provided. Finally, we approved an overview of the related theoretical models and future research directions at the end of this paper.</p>","PeriodicalId":35536,"journal":{"name":"遗传","volume":"47 2","pages":"200-210"},"PeriodicalIF":0.0,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143383483","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Progress and prospects on evolutionary developmental biology of butterfly wing patterns. 蝴蝶翼纹进化发育生物学研究进展与展望。
遗传 Pub Date : 2025-02-01 DOI: 10.16288/j.yczz.24-126
Jia-Xin Ni, Wei Zhang
{"title":"Progress and prospects on evolutionary developmental biology of butterfly wing patterns.","authors":"Jia-Xin Ni, Wei Zhang","doi":"10.16288/j.yczz.24-126","DOIUrl":"10.16288/j.yczz.24-126","url":null,"abstract":"<p><p>Evolutionary developmental biology combines evolutionary biology and developmental biology, focusing on the evolution of developmental processes and the mechanisms of morphological diversification. Since the discovery of the <i>homeobox</i> gene in 1984, the genetic mechanisms of morphogenesis in multiple model organisms have been systematically studied. In contrast, non-model organisms are rich in complex evolutionary traits, yet their underlying genetic mechanisms have not yet been fully elucidated, so more relevant studies are still needed. Among non-model organisms, butterflies are rich in species diversity, with more than 18,700 species. In particular, butterfly wings have simple flat structures but exhibit diverse and complex patterns, likely associated with complex functions(e.g., defense and courtship) and subject to strong selective pressures, which makes them a classic system for evolutionary developmental biology studies. Early comparative morphological studies proposed the Nymphalid ground plan, providing a theoretical framework for the evolutionary developmental biology of butterfly wing patterns; a series of interference experiments on butterfly wing discs later confirmed the association between the wing developmental process and phenotypes. In recent years, by integrating genetics, developmental biology, and genomics research methods, genetic toolkit genes and loci involved in wing pattern regulation have been identified in several butterfly species, further improving the theoretical framework for studying butterfly wing pattern evolution and development. From the methodological perspective, experimental methods such as <i>in situ</i> hybridization and gene editing have played an important role in evolutionary developmental biology studies of butterfly wings, and the development of hybridization chain reaction technology and CRISPR/Cas9 gene editing technology has further advanced the feasibility of functional validation in butterflies. In the future, the development and optimization of lepidopteran RNA interference and gene editing technologies can promote functional studies, thus expanding the research systems of evolutionary developmental biology by comparing and analyzing complex traits. The above research can also be broadened to an ecological-evolutionary-developmental context to explore genetic and environmental factors that shape complex phenotypes(e.g., butterfly wing patterns), thereby deepening the understanding of key scientific issues such as the origin and evolution of biodiversity.</p>","PeriodicalId":35536,"journal":{"name":"遗传","volume":"47 2","pages":"258-270"},"PeriodicalIF":0.0,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143383486","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Why should we stop translating "evolution" to "" and turn to use "" in Chinese. 为什么我们要停止把“进化”翻译成“”而改用中文的“”呢?
遗传 Pub Date : 2025-01-01 DOI: 10.16288/j.yczz.24-194
Zhong-Yi Sun, Guo-Jie Zhang
{"title":"Why should we stop translating \"evolution\" to \"\" and turn to use \"\" in Chinese.","authors":"Zhong-Yi Sun, Guo-Jie Zhang","doi":"10.16288/j.yczz.24-194","DOIUrl":"10.16288/j.yczz.24-194","url":null,"abstract":"","PeriodicalId":35536,"journal":{"name":"遗传","volume":"47 1","pages":"5-17"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142956106","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Speciation studies in the genomic era. 基因组时代的物种形成研究。
遗传 Pub Date : 2025-01-01 DOI: 10.16288/j.yczz.24-218
Ze-Fu Wang, Jian-Quan Liu
{"title":"Speciation studies in the genomic era.","authors":"Ze-Fu Wang, Jian-Quan Liu","doi":"10.16288/j.yczz.24-218","DOIUrl":"https://doi.org/10.16288/j.yczz.24-218","url":null,"abstract":"<p><p>Since Darwin's era, speciation has been one of the most central issues in evolutionary biology studies. Understanding the processes of species origin is crucial in deepening our understanding of the formation of species biodiversity, which is essential for their protections. However, speciation research has been challenging due to the rather complex evolutionary histories of many extant species. In recent years, with the continuous advancements in genomic sequencing techniques, significant advances have been achieved in the field of speciation researches. In this review, we overview speciation study advances, especially in the concepts and latest developments in research methods for studying speciation in the genomic era, encompassing the major research aspects: species delimitation, bifurcating speciation, hybrid speciation, polyploid speciation, reproductive isolation genes and speciation genes. Furthermore, we discuss the limitations of these studies and methods. Finally, we provide the outlook on the future challenges and directions in speciation researches.</p>","PeriodicalId":35536,"journal":{"name":"遗传","volume":"47 1","pages":"71-100"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142956104","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The migration and evolutionary mechanisms of northern Asian populations from the perspective of ancient genomics. 古代基因组学视角下的北亚种群迁移和进化机制。
遗传 Pub Date : 2025-01-01 DOI: 10.16288/j.yczz.24-196
Da-Xuan Zhang, Shen-Ru Dai, Yin-Qiu Cui
{"title":"The migration and evolutionary mechanisms of northern Asian populations from the perspective of ancient genomics.","authors":"Da-Xuan Zhang, Shen-Ru Dai, Yin-Qiu Cui","doi":"10.16288/j.yczz.24-196","DOIUrl":"10.16288/j.yczz.24-196","url":null,"abstract":"<p><p>The northern part of Asia, including Siberia, the Mongolian Plateau, and northern China, is not only a crossroads for population exchange on the Eurasian continent but also an important bridge connecting the American continent. This region holds a unique and irreplaceable significance in exploring the origins of humanity, tracking human migration routes, and elucidating evolutionary mechanisms. Despite the limited number of samples unearthed, varying preservation conditions, and constraints of technical means, our understanding of the interactions among populations in northern Asia is still in its infancy. However, the development of high-throughput sequencing technology and its advancement in ancient DNA research have provided us with a new perspective for delving into the genetic history of ancient populations from a molecular level. In this review, we synthesize the changes in the genetic structure of ancient populations in different stages of northern Asia, aiming to reveal the patterns of interaction among ancient populations in this region, the evolutionary process of their genetic structure, and their genetic contributions to modern populations. It will also discuss the adaptive strategies of humans in response to extreme natural conditions. This will not only deepen our understanding of the origins and migration processes of humanity but also provide a solid foundation for studying the evolutionary mechanisms and adaptive strategies of humans under environmental selective pressures.</p>","PeriodicalId":35536,"journal":{"name":"遗传","volume":"47 1","pages":"34-45"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142956105","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Progress on animal speciation studies. 动物物种形成研究进展。
遗传 Pub Date : 2025-01-01 DOI: 10.16288/j.yczz.24-206
Hong Wu, Yu-Xing Zhang, Li Yu
{"title":"Progress on animal speciation studies.","authors":"Hong Wu, Yu-Xing Zhang, Li Yu","doi":"10.16288/j.yczz.24-206","DOIUrl":"https://doi.org/10.16288/j.yczz.24-206","url":null,"abstract":"<p><p>Speciation research represents our thinking and exploration about how new species are generated and maintained, and it is one of the most important parts of evolutionary biology. Revealing new species formation modes, processes of reproductive isolation establishment and their intrinsic genetic mechanisms, are not only important issues and primary tasks in the field of speciation, but also the key clues for our understandings about the species diversity in nature. Here, by focusing on animal groups, we first introduced different definitions of species concept, and then summarized present research progress and important breakthroughs made in the speciation modes and molecular mechanism of reproductive isolation. We also pointed out some limitations in current studies. Finally, we discuss the potential opportunities and new breakthroughs that can be made in the future studies of animal speciation.</p>","PeriodicalId":35536,"journal":{"name":"遗传","volume":"47 1","pages":"58-70"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142956103","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ancient DNA elucidates the migration and evolutionary history of northern and southern populations in East Asia. 古代DNA阐明了东亚北部和南部人口的迁移和进化历史。
遗传 Pub Date : 2025-01-01 DOI: 10.16288/j.yczz.24-224
Wan-Jing Ping, Jia-Yang Xue, Qiao-Mei Fu
{"title":"Ancient DNA elucidates the migration and evolutionary history of northern and southern populations in East Asia.","authors":"Wan-Jing Ping, Jia-Yang Xue, Qiao-Mei Fu","doi":"10.16288/j.yczz.24-224","DOIUrl":"10.16288/j.yczz.24-224","url":null,"abstract":"<p><p>Over the past decade, the continuous development of ancient genomic technology and research has significantly advanced our understanding of human history. Since 2017, large-scale studies of ancient human genomes in East Asia, particularly in China, have emerged, resulting in a wealth of ancient genomic data from various time periods and locations, which has provided new insights into the genetic history of East Asian populations over tens of thousands of years. Especially since 2022, there emerged a series of new research progresses in the genetic histories of the northern and southern Chinese populations within the past 10,000 years. However, there is currently no systematic review focused on these recent ancient genomic studies in East Asia. Therefore, this article emphasizes the study of ancient human genomes in China and systematically reviews the genetic patterns and migration history of populations in East Asia since the Late Paleolithic. Existing research indicates that by at least 19,000 years ago, there was a north-south differentiation among ancient East Asian populations, leading to different genetic lineages divided by the Qinling-Huaihe line. Gene flow and interactions between northern and southern East Asians began in the Early Neolithic and were further strengthened from the Mid-Neolithic. By the historical period, northern East Asian ancestry played a profound role in the genetic components of southern populations, shaping the genetic structure of present-day Chinese populations. Throughout this process, ancient populations in northern and southern China also engaged in extensive interactions through coastal and inland routes with populations from surrounding regions, including Siberia, Japan, Korea, Southeast Asia, and Pacific islands, playing a crucial role in the formation of different linguistic groups. These studies have charted the evolutionary and interaction history of East Asian populations over tens of thousands of years; yet, many unresolved mysteries remain. Further exploration is needed through ancient genomic data from additional time periods and broader geographic areas to facilitate a more comprehensive and detailed investigation, thereby advancing related scientific questions.</p>","PeriodicalId":35536,"journal":{"name":"遗传","volume":"47 1","pages":"18-33"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142956100","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The formation, maintenance, and loss of island biodiversity. 岛屿生物多样性的形成、维持和丧失。
遗传 Pub Date : 2025-01-01 DOI: 10.16288/j.yczz.24-223
Cong Liu, Yang-Qing Luo, Yu-Jing Yan, Yang-He-Shan Yang, Di Zeng, Yu-Hao Zhao, Xing-Feng Si
{"title":"The formation, maintenance, and loss of island biodiversity.","authors":"Cong Liu, Yang-Qing Luo, Yu-Jing Yan, Yang-He-Shan Yang, Di Zeng, Yu-Hao Zhao, Xing-Feng Si","doi":"10.16288/j.yczz.24-223","DOIUrl":"https://doi.org/10.16288/j.yczz.24-223","url":null,"abstract":"<p><p>Due to the unique geographical features of large numbers, isolated by water and diverse formation histories, islands have become natural laboratories for ecological and evolutionary research. Islands have a high proportion of endemic species and disharmony in representing the species compared with that in the continent, which provides a good opportunity to explore the formation of island biodiversity. In this review, we focuse on island ecosystems and describes the progress of research in island biogeography in recent years from three aspects: formation, maintenance, and loss of island biodiversity. First, we take several representative island systems in the world as examples to introduce the formation mechanism of island biodiversity from species dispersal and immigration, population establishment and selection, species evolution and adaptive radiation. Based on the Equilibrium Theory of Island Biogeography, we then review the species-area relationship and species-isolation relationship and focus on the research progress in community assembly, including Diamond's rule, nestedness pattern, the framework of community structure of island biota, and species interactions on islands. We also discuss the high extinction risks of island species threatened from natural and human disturbances, especially from the impact of habitat loss and change, climate change, alien species invasion and the synergistic effect of these factors on the loss of island biodiversity. Finally, based on the status of island biodiversity, we summarized the current conservation practices for island biodiversity and possible research frontiers in island biogeographic studies.</p>","PeriodicalId":35536,"journal":{"name":"遗传","volume":"47 1","pages":"101-132"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142955915","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Progress on ancient DNA investigation of Late Quaternary mammals in China. 中国晚第四纪哺乳动物古DNA研究进展。
遗传 Pub Date : 2025-01-01 DOI: 10.16288/j.yczz.24-193
Gui-Lian Sheng, Ming-Min Zheng, Bo Xiao, Jun-Xia Yuan
{"title":"Progress on ancient DNA investigation of Late Quaternary mammals in China.","authors":"Gui-Lian Sheng, Ming-Min Zheng, Bo Xiao, Jun-Xia Yuan","doi":"10.16288/j.yczz.24-193","DOIUrl":"https://doi.org/10.16288/j.yczz.24-193","url":null,"abstract":"<p><p>It has been more than 40 years since the beginning of exploring the genetic composition of ancient organisms from the perspective of ancient DNA. In the recent 20 years, with the development and application of high-throughput sequencing technology platforms and the improved efficiency of retrieving highly fragmented DNA molecules, ancient DNA research moved forward to a brand-new era of deep-time paleogenomics. It not only solved many controversial phylogenetic problems, enriched the migration and evolution details of various organisms including humans, but also launched exploration of the molecular responses to climate changes in terms of \"whole genomic-big data-multi-species\" level. Moreover, it expanded the sample age from no more than 100,000 years to the Early Pleistocene, ~2 million years ago. Recently, Chinese scientists have made many influential breakthroughs in evolution and migration integration of East Asian populations and thus filled an important gap in the evolutionary process of modern human. Compared to the situation in human paleogenomic studies, less attention has been paid to the study of ancient DNA from vertebrates remains. In this review, we introduce a series of advances in ancient DNA investigations of large mammals in Late Quaternary in China, summarize the research breakthroughs in revealing the systematic evolutionary relationship between ancient and extant groups, gene flow, and molecular responses of mammalian populations to climate change, and explore the opportunities and key challenges in the field of mammalian paleogenomics.</p>","PeriodicalId":35536,"journal":{"name":"遗传","volume":"47 1","pages":"46-57"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142956102","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Environmental changes and uplift of the Qinghai-Tibet Plateau drive genetic diversification and speciation of the birds. 青藏高原的环境变化和隆升推动了鸟类的遗传多样性和物种形成。
遗传 Pub Date : 2025-01-01 DOI: 10.16288/j.yczz.24-166
Gang Song, Yan-Hua Qu
{"title":"Environmental changes and uplift of the Qinghai-Tibet Plateau drive genetic diversification and speciation of the birds.","authors":"Gang Song, Yan-Hua Qu","doi":"10.16288/j.yczz.24-166","DOIUrl":"https://doi.org/10.16288/j.yczz.24-166","url":null,"abstract":"<p><p>Being the most magnificent plateau in elevation and size on Earth, the Qinghai-Tibet Plateau has a profound impact on biodiversity due to the unique geographic and climatic conditions. Here we review the speciation patterns and genetic diversity of the birds from the Qinghai-Tibet Plateau in relation to the geological history and climatic changes. First, the uplift of the Qinghai-Tibet Plateau forms a geographic barrier and promotes interspecific and intraspecific genetic differentiation. Second, the uplift of the Qinghai-Tibet Plateau has provided new ecological niches for many endemic birds and facilitated their speciation. Third, the emigration and immigration of bird species between the Qinghai-Tibet Plateau and adjacent zoological regions have promoted species divergence, colonization and dispersal. Furthermore, Pleistocene glaciations and associated climate change drive postglacial colonization and lead to secondary contact, which influenced the genetic divergence of the conspecific populations and sister species. The multi-omics approach has increasingly been used in the studies on the ecological adaptive evolution of birds in Qinghai-Tibet Plateau. Future studies should focus on the role of geological and climatic factors in species differentiation, develop integrative approach with multi-omics methods, and explore the ecological mechanisms of high-elevation adaptation of plateau species. As an important region for biodiversity conservation, more efforts should be implemented to maintain the stability and sustainability of the Qinghai-Tibet Plateau and its ecosystem in light of global change.</p>","PeriodicalId":35536,"journal":{"name":"遗传","volume":"47 1","pages":"133-145"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142956101","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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