Green plants on the earth have evolved intricate mechanisms to acclimatize to and utilize sunlight.In Arabidopsis,light signals are perceived by photoreceptors and transmitted through divergent but overlapping signali...Green plants on the earth have evolved intricate mechanisms to acclimatize to and utilize sunlight.In Arabidopsis,light signals are perceived by photoreceptors and transmitted through divergent but overlapping signaling networks to modulate plant photomorphogenic development.COP1(CONSTITUTIVE PHOTOMORPHOGENIC 1)was first cloned as a central repressor of photomorphogenesis in higher plants and has been extensively studied for over 30 years.It acts as a RING E3 ubiquitin ligase downstream of multiple photoreceptors to target key light-signaling regulators for degradation,primarily as part of large protein complexes.The mammalian counterpart of COP1 is a pluripotent regulator of tumorigenesis and metabolism.A great deal of information on COP1 has been derived from whole-genome sequencing and functional studies in lower green plants,which enables us to illustrate its evolutionary history.Here,we reviewthe current understanding about COP1,with a focus on the conservation and functional diversification of COP1 and its signaling partners in different taxonomic clades.展开更多
Research on the evolution of cultural policy is the key in the field of public policy study,and it is also an important means to solve the problems that have emerged in cultural heritage management.The National Cultur...Research on the evolution of cultural policy is the key in the field of public policy study,and it is also an important means to solve the problems that have emerged in cultural heritage management.The National Cultural Park is an innovative cultural heritage protection system proposed by Chinese leaders within the context of national rejuvenation and building a culturally-strong country campaign.From the perspective of system evolution theory,this paper systematically sorts out the ideas behind international heritage management and the evolutionary process of the Cultural Relics Protection Unit system,in an effort to explore the origin,innovation and vision of the National Cultural Park System.A review of the international heritage documents revealed that the principle of heritage protection has developed from“authenticity”to“integrity”,and the focus of the protection object has also changed from“monism”to“diversity”,which provided a theoretical background for the burgeoning National Cultural Park.The Cultural Relics Protection Unit system has been promoted as the most crucial cultural heritage management system in China.Therefore,this study sheds light on the evolution and limitations of the system that lays a practical foundation for the National Cultural Park System.There have been three stages in the history of China’s National Cultural Relics Protection Unit,namely,the creation of the system(1956–1965),the survival crisis of the system(1966–1977),and the rebirth and development of the system(1978 to the present),in which the main driving concepts of China's cultural heritage management have been sequentially elucidated as simple protectionism,tolerant conservatism and comprehensive developmentalism,respectively.Since the establishment of China’s Cultural Relics Protection Unit system,tremendous progress has been made not only in the enlightenment of the public’s mindset and but also in the development of system and culture.However,the changes in the institutional environment gradua展开更多
Along with the 40 years of reform and opening-up,China’s ecological and environmental management system has been evolving continuously.Since the start of the ecological and environmental protection in 1972,China has ...Along with the 40 years of reform and opening-up,China’s ecological and environmental management system has been evolving continuously.Since the start of the ecological and environmental protection in 1972,China has witnessed“great leaps”of reform on environmental management system about once every 10 years,in order to address the prominent environmental issues at different development stages,and continuously reform,innovate and develop the ecological and environmental governance systems and modes with Chinese characteristics.China adheres to solve environmental problems in the process of development,takes the improvement of the ecological and environmental quality as the core task,and gradually builds its ecological and environmental management systems conforming to the characteristics of different development stages,including a sound ecological and environmental planning&policy system,an improved ecological and environmental governance system and a complete ecological and environmental legal system.During the process of building the socialism with Chinese characteristics for a new era,we should aim at the strategic goal of building a Beautiful China,keep focused on China while stay connected with the world,adhere to green development,accomplish top-level design,build a new pattern of ecological and environmental management system,and co-construct a clean and beautiful world.展开更多
中华鬣羚(Capricornis milneedwardsii),别名天马,是国家二级重点保护动物,被世界自然保护联盟(International Union for Conservation of Nature,IUCN)列入易危级物种名录。本文介绍中华鬣羚的生态习性和分类学地位,指出中华鬣羚的分...中华鬣羚(Capricornis milneedwardsii),别名天马,是国家二级重点保护动物,被世界自然保护联盟(International Union for Conservation of Nature,IUCN)列入易危级物种名录。本文介绍中华鬣羚的生态习性和分类学地位,指出中华鬣羚的分类学地位目前还存在争议。简述中华鬣羚的寄生虫病调查研究进展,分析其进化情况,回顾中华鬣羚的人工圈养研究进展,指出不足之处,并提出今后的研究方向,以期为中华鬣羚的进一步保护研究提供参考。展开更多
基金supported by grants from National Key R&D Program of China(2017YFA0503800)National Natural Science Foundation of China(31330048,31621001)+3 种基金Peking-Tsinghua Center for Life SciencesPeking UniversitySouthern University of Science and TechnologyXiamen University.
文摘Green plants on the earth have evolved intricate mechanisms to acclimatize to and utilize sunlight.In Arabidopsis,light signals are perceived by photoreceptors and transmitted through divergent but overlapping signaling networks to modulate plant photomorphogenic development.COP1(CONSTITUTIVE PHOTOMORPHOGENIC 1)was first cloned as a central repressor of photomorphogenesis in higher plants and has been extensively studied for over 30 years.It acts as a RING E3 ubiquitin ligase downstream of multiple photoreceptors to target key light-signaling regulators for degradation,primarily as part of large protein complexes.The mammalian counterpart of COP1 is a pluripotent regulator of tumorigenesis and metabolism.A great deal of information on COP1 has been derived from whole-genome sequencing and functional studies in lower green plants,which enables us to illustrate its evolutionary history.Here,we reviewthe current understanding about COP1,with a focus on the conservation and functional diversification of COP1 and its signaling partners in different taxonomic clades.
基金The China National Social Science Fund of Art Sciences(20ZD02).
文摘Research on the evolution of cultural policy is the key in the field of public policy study,and it is also an important means to solve the problems that have emerged in cultural heritage management.The National Cultural Park is an innovative cultural heritage protection system proposed by Chinese leaders within the context of national rejuvenation and building a culturally-strong country campaign.From the perspective of system evolution theory,this paper systematically sorts out the ideas behind international heritage management and the evolutionary process of the Cultural Relics Protection Unit system,in an effort to explore the origin,innovation and vision of the National Cultural Park System.A review of the international heritage documents revealed that the principle of heritage protection has developed from“authenticity”to“integrity”,and the focus of the protection object has also changed from“monism”to“diversity”,which provided a theoretical background for the burgeoning National Cultural Park.The Cultural Relics Protection Unit system has been promoted as the most crucial cultural heritage management system in China.Therefore,this study sheds light on the evolution and limitations of the system that lays a practical foundation for the National Cultural Park System.There have been three stages in the history of China’s National Cultural Relics Protection Unit,namely,the creation of the system(1956–1965),the survival crisis of the system(1966–1977),and the rebirth and development of the system(1978 to the present),in which the main driving concepts of China's cultural heritage management have been sequentially elucidated as simple protectionism,tolerant conservatism and comprehensive developmentalism,respectively.Since the establishment of China’s Cultural Relics Protection Unit system,tremendous progress has been made not only in the enlightenment of the public’s mindset and but also in the development of system and culture.However,the changes in the institutional environment gradua
文摘Along with the 40 years of reform and opening-up,China’s ecological and environmental management system has been evolving continuously.Since the start of the ecological and environmental protection in 1972,China has witnessed“great leaps”of reform on environmental management system about once every 10 years,in order to address the prominent environmental issues at different development stages,and continuously reform,innovate and develop the ecological and environmental governance systems and modes with Chinese characteristics.China adheres to solve environmental problems in the process of development,takes the improvement of the ecological and environmental quality as the core task,and gradually builds its ecological and environmental management systems conforming to the characteristics of different development stages,including a sound ecological and environmental planning&policy system,an improved ecological and environmental governance system and a complete ecological and environmental legal system.During the process of building the socialism with Chinese characteristics for a new era,we should aim at the strategic goal of building a Beautiful China,keep focused on China while stay connected with the world,adhere to green development,accomplish top-level design,build a new pattern of ecological and environmental management system,and co-construct a clean and beautiful world.
文摘中华鬣羚(Capricornis milneedwardsii),别名天马,是国家二级重点保护动物,被世界自然保护联盟(International Union for Conservation of Nature,IUCN)列入易危级物种名录。本文介绍中华鬣羚的生态习性和分类学地位,指出中华鬣羚的分类学地位目前还存在争议。简述中华鬣羚的寄生虫病调查研究进展,分析其进化情况,回顾中华鬣羚的人工圈养研究进展,指出不足之处,并提出今后的研究方向,以期为中华鬣羚的进一步保护研究提供参考。
