Asemini is a Northern Hemisphere cerambycid tribe,and an important forest pest, mainly causing damage to coniferous plants.More important,as one kind of quarantine insects,Asemini can bring about many troubles in timb...Asemini is a Northern Hemisphere cerambycid tribe,and an important forest pest, mainly causing damage to coniferous plants.More important,as one kind of quarantine insects,Asemini can bring about many troubles in timber trade, therefore,the alien species should be paid more attentions and need to be quarantined in order to prevent them to be introduced to China.In China, there are 4 genus 26 species of Asemini.Host plants of Asemini include 15 genus 36 species of 7 families, and the main host plants are in Pinus,accounting for 30.56%of the total.A fauna analysis indicated that 15 species of Asemini distributed in the Palareartic Realm,accounting for 57.69%of the total. The species predominated in China,probably because gymnosperms were the main vegetable type in this region.This paper lists all the known species and genera of Asemini and their host plants in China,and discusses their distribution.The aim is to arouse the concerns of these insects and provide a reference for the relevant work.展开更多
The native communities have been using their unique traditional knowledge system (TKS), culture, indigenous skills and expertise since the ancient times. India has witnessed its legacy from the time of Charaka & S...The native communities have been using their unique traditional knowledge system (TKS), culture, indigenous skills and expertise since the ancient times. India has witnessed its legacy from the time of Charaka & Susruta for TKS of medicinal plants. The objective of the study is to carry out inter-disciplinary work by integrating ethno-medicinal findings with Geographical Information System (GIS) tools to develop spatio-temporal maps covering antimalarial plants prevalent in three rural districts of Eastern Uttar Pradesh (UP), India. Two sources Flora Gorakhpurensis & Flora of Upper Gangetic Plains have been considered to evaluate all possible antimalarials prevalent in the study region and are cross validated with research papers and journals. GPS coordinates were recorded for marked locations and under GIS environment maps of antimalarials are generated to highlight geographical distribution of such plants. Further, these are analysed with respect to various natural plant habitats.?48 plants belonging to 25 families were found and its geographical distribution is illustrated through series of GIS maps. The developed map highlights the geographical location of antimalarial plants and facilitates easy access of plant’s natural habitat. It is believed that the work would help researchers to find out the novel antimalarials towards open source drug discovery projects.展开更多
Objective: The study of phytometabolites of medicinal plants and their phylogenetic distribution is an important content of pharmacophylogeny. The objectives of this study were to provide an updated estimate of the ex...Objective: The study of phytometabolites of medicinal plants and their phylogenetic distribution is an important content of pharmacophylogeny. The objectives of this study were to provide an updated estimate of the extent to which the medicinal plants were investigated phytochemically and relate this to the species-level phylogeny and their geographical pattern.Methods: Here, we further characterized 1 648 phytometabolites, including terpenoids, steroids, flavonoids, phenylpropanoids, phenolics, alkaloids, etc., reported in journals Chinese Traditional and Herbal Drugs(Zhong Cao Yao) and Chinese Herbal Medicines(CHM) from the phylogenetic and spatial perspectives. According to the structural characteristics, terpenoids, flavonoids, alkaloids and phenylpropanoids were subdivided into subclasses, and the research effort of phytometabolites was for the first time delineated at both subclass and phylogenetic levels.Results: The phytometabolites of 90 families were reported on two journals in three years. It is noted that terpenoids with diverse bioactivities still constitute the primary object of phytochemical research, followed by flavonoids, phenolics, phenylpropanoids and alkaloids. Among the reported species, the family Asteraceae had the most, followed by Lamiaceae, Fabaceae, and Ranunculaceae. In the phylogenetic distribution of the reported phytometabolites, the net relatedness index(NRI) results revealed a clustered structure for triterpene, iridoid, flavone, flavonol, coumarin, indole alkaloid and terpenoid alkaloid, while the nearest taxon index(NTI) metric identified the clustered structure for triterpene, sesquiterpene,indole alkaloid and terpenoid alkaloid. Especially in Ranunculaceae, there were more reports on triterpene and terpenoid alkaloid subclasses. The overdispersion pattern of diterpene and phenolic was suggested by NRI and NTI respectively, albeit more reported diterpenes and phenolics were in Lamiaceae.The geographical distribution hotspots of reported species and compounds thereof highlighted the enormous progress of herbal medicine research and industry, which play a positive role in the future drug discovery and development.Conclusion: These results provide new dimensions and perspectives in the context of pharmacophylogeny for perceiving and evaluating research trends and flashpoints in medicinal phytochemistry.展开更多
The geographical distribution of dominant plant species in China was georeferenced and climatic variables were interpolated into all grids.Accordingly,the percentage distributions of principal pollen taxa based on 186...The geographical distribution of dominant plant species in China was georeferenced and climatic variables were interpolated into all grids.Accordingly,the percentage distributions of principal pollen taxa based on 1860 surface pollen sites in China were selected and the related climate values were interpolated with the same method. The geographical and climatic comparison between the two data-sets indicated that the climate threshold of most pollen taxa from surface pollen is coherent with plant distributions. The climatic envelopes of dominant plant are mostly accordant with those of pollen taxa at certain levels. However, some distinct offsets of the climate ranges exist between the two datasets for most pollen taxa identified at family level, such as Ericaceae,Asteraceae, Poaceae and Chenopodiaceae. The present study provides for the first time rich information on temperature and precipitation in relation to pollen and plant distribution based on the datasets on a continental scale useful for global ecological modeling and Quaternary palaeoclimate reconstruction.展开更多
目的:研究不同气候特征与药用植物地理分布的关系,为药用植物的生产规划提供科学依据。方法:根据四川气象站点数据和第三次中药资源普查数据,利用地理信息系统(Geographic information System,GIS)平台,以空间可视化方式研究四川地区的...目的:研究不同气候特征与药用植物地理分布的关系,为药用植物的生产规划提供科学依据。方法:根据四川气象站点数据和第三次中药资源普查数据,利用地理信息系统(Geographic information System,GIS)平台,以空间可视化方式研究四川地区的气候特征和药用植物地理分布,并分析各区域药用植物地理分布特点和评价不同地区药材多样性。结果:四川地区按地形地貌分为四川盆地、攀西地区和川西高原三大区域。四川盆地冬暖夏热,气温由东南向西北递减,降水丰富,湿度较大,多阴雨天气,全年日照时间很短;攀西地区年均气温较高,冬季温暖夏季清凉,降水集中在东部地区,光热资源丰富;川西高原全年温度较低,降水较少,光照丰富。基于第三次中药资源普查数据及访谈调查得到四川药材分布图,四川盆地药用植物物种多样性最高,其次是攀西地区和川西高原。结论:四川地区药用植物资源丰富,各地域地貌和气候特征不同导致药用植物数量和种类有差异,应根据不同地域特点进行资源保护和开发。展开更多
文摘Asemini is a Northern Hemisphere cerambycid tribe,and an important forest pest, mainly causing damage to coniferous plants.More important,as one kind of quarantine insects,Asemini can bring about many troubles in timber trade, therefore,the alien species should be paid more attentions and need to be quarantined in order to prevent them to be introduced to China.In China, there are 4 genus 26 species of Asemini.Host plants of Asemini include 15 genus 36 species of 7 families, and the main host plants are in Pinus,accounting for 30.56%of the total.A fauna analysis indicated that 15 species of Asemini distributed in the Palareartic Realm,accounting for 57.69%of the total. The species predominated in China,probably because gymnosperms were the main vegetable type in this region.This paper lists all the known species and genera of Asemini and their host plants in China,and discusses their distribution.The aim is to arouse the concerns of these insects and provide a reference for the relevant work.
文摘The native communities have been using their unique traditional knowledge system (TKS), culture, indigenous skills and expertise since the ancient times. India has witnessed its legacy from the time of Charaka & Susruta for TKS of medicinal plants. The objective of the study is to carry out inter-disciplinary work by integrating ethno-medicinal findings with Geographical Information System (GIS) tools to develop spatio-temporal maps covering antimalarial plants prevalent in three rural districts of Eastern Uttar Pradesh (UP), India. Two sources Flora Gorakhpurensis & Flora of Upper Gangetic Plains have been considered to evaluate all possible antimalarials prevalent in the study region and are cross validated with research papers and journals. GPS coordinates were recorded for marked locations and under GIS environment maps of antimalarials are generated to highlight geographical distribution of such plants. Further, these are analysed with respect to various natural plant habitats.?48 plants belonging to 25 families were found and its geographical distribution is illustrated through series of GIS maps. The developed map highlights the geographical location of antimalarial plants and facilitates easy access of plant’s natural habitat. It is believed that the work would help researchers to find out the novel antimalarials towards open source drug discovery projects.
基金supported by Graduate Training Program Project of Dalian Jiaotong University (No. 2022-25)。
文摘Objective: The study of phytometabolites of medicinal plants and their phylogenetic distribution is an important content of pharmacophylogeny. The objectives of this study were to provide an updated estimate of the extent to which the medicinal plants were investigated phytochemically and relate this to the species-level phylogeny and their geographical pattern.Methods: Here, we further characterized 1 648 phytometabolites, including terpenoids, steroids, flavonoids, phenylpropanoids, phenolics, alkaloids, etc., reported in journals Chinese Traditional and Herbal Drugs(Zhong Cao Yao) and Chinese Herbal Medicines(CHM) from the phylogenetic and spatial perspectives. According to the structural characteristics, terpenoids, flavonoids, alkaloids and phenylpropanoids were subdivided into subclasses, and the research effort of phytometabolites was for the first time delineated at both subclass and phylogenetic levels.Results: The phytometabolites of 90 families were reported on two journals in three years. It is noted that terpenoids with diverse bioactivities still constitute the primary object of phytochemical research, followed by flavonoids, phenolics, phenylpropanoids and alkaloids. Among the reported species, the family Asteraceae had the most, followed by Lamiaceae, Fabaceae, and Ranunculaceae. In the phylogenetic distribution of the reported phytometabolites, the net relatedness index(NRI) results revealed a clustered structure for triterpene, iridoid, flavone, flavonol, coumarin, indole alkaloid and terpenoid alkaloid, while the nearest taxon index(NTI) metric identified the clustered structure for triterpene, sesquiterpene,indole alkaloid and terpenoid alkaloid. Especially in Ranunculaceae, there were more reports on triterpene and terpenoid alkaloid subclasses. The overdispersion pattern of diterpene and phenolic was suggested by NRI and NTI respectively, albeit more reported diterpenes and phenolics were in Lamiaceae.The geographical distribution hotspots of reported species and compounds thereof highlighted the enormous progress of herbal medicine research and industry, which play a positive role in the future drug discovery and development.Conclusion: These results provide new dimensions and perspectives in the context of pharmacophylogeny for perceiving and evaluating research trends and flashpoints in medicinal phytochemistry.
基金the National Natural Science Foundation of China (Grant Nos.40331011,40772113 and 40325002)
文摘The geographical distribution of dominant plant species in China was georeferenced and climatic variables were interpolated into all grids.Accordingly,the percentage distributions of principal pollen taxa based on 1860 surface pollen sites in China were selected and the related climate values were interpolated with the same method. The geographical and climatic comparison between the two data-sets indicated that the climate threshold of most pollen taxa from surface pollen is coherent with plant distributions. The climatic envelopes of dominant plant are mostly accordant with those of pollen taxa at certain levels. However, some distinct offsets of the climate ranges exist between the two datasets for most pollen taxa identified at family level, such as Ericaceae,Asteraceae, Poaceae and Chenopodiaceae. The present study provides for the first time rich information on temperature and precipitation in relation to pollen and plant distribution based on the datasets on a continental scale useful for global ecological modeling and Quaternary palaeoclimate reconstruction.
文摘目的:研究不同气候特征与药用植物地理分布的关系,为药用植物的生产规划提供科学依据。方法:根据四川气象站点数据和第三次中药资源普查数据,利用地理信息系统(Geographic information System,GIS)平台,以空间可视化方式研究四川地区的气候特征和药用植物地理分布,并分析各区域药用植物地理分布特点和评价不同地区药材多样性。结果:四川地区按地形地貌分为四川盆地、攀西地区和川西高原三大区域。四川盆地冬暖夏热,气温由东南向西北递减,降水丰富,湿度较大,多阴雨天气,全年日照时间很短;攀西地区年均气温较高,冬季温暖夏季清凉,降水集中在东部地区,光热资源丰富;川西高原全年温度较低,降水较少,光照丰富。基于第三次中药资源普查数据及访谈调查得到四川药材分布图,四川盆地药用植物物种多样性最高,其次是攀西地区和川西高原。结论:四川地区药用植物资源丰富,各地域地貌和气候特征不同导致药用植物数量和种类有差异,应根据不同地域特点进行资源保护和开发。