DELTA(description language for taxonomy)系统是一个用于生物分类学描述的计算机信息处理系统,也是国际植物分类数据工作组(International Working Group on Taxonomic Databases for Plant Sciences)选定的国际数据交换通用标准。DE...DELTA(description language for taxonomy)系统是一个用于生物分类学描述的计算机信息处理系统,也是国际植物分类数据工作组(International Working Group on Taxonomic Databases for Plant Sciences)选定的国际数据交换通用标准。DELTA系统主要功能是对分类学的形态描述进行规范化处理,并在此基础上进行分类群的自动描述、交互式鉴定和分类信息管理等。随着DELTA系统近40年的研制和改进,以及因特网便捷的信息传输和交流,该系统被越来越多地应用于植物分类学研究。作者简要介绍了该系统的结构、功能、获取途径以及使用方法,对DELTA系统所包含的子程序的功能、用途及运行方式进行了简要分析,以期推动该系统在中国植物分类学研究中的普及和应用。展开更多
Adansonia digitata L.(Malvaceae) is commonly known as baobab tree native to Africa.Baobab is a multi-purpose tree which offers protection and provides food,clothing and medicine as well as raw material for many useful...Adansonia digitata L.(Malvaceae) is commonly known as baobab tree native to Africa.Baobab is a multi-purpose tree which offers protection and provides food,clothing and medicine as well as raw material for many useful items.The fruit pulp,seeds,leaves,flowers.roots,and bark of baobab are edible and they have been studied by scientists for their useful properties.The fruit pulp have very high vitamin C.calcium,phosphorus,carbohydrates,fibers,potassium,proteins and lipids content,which can be used in seasoning as an appetizer and also make juices.Seeds contain appreciable quantities of phosphorus,magnesium,zinc,sodium,iron,manganese,whereas they have high levels of lysine,thiamine,calcium and iron.Baobab has numerous biological properties including antimicrobial,anti-malarial,diarrhoea,anaemia,asthma,antiviral,anti-oxidant and anti-inflammatory activities amongst others.Phytochemical investigation revealed the presence of flavonoids.phytosterols.amino acids,fatty acids,vitamins and minerals.The review summarizes the information on various aspects of traditional information,taxonomic description,medicinal properties and importantly nutritional value.展开更多
A psychrotolerant hyphomycete Chalastospora gossypii was recovered from cold arid soil of Zanskar valley(3,500 msl),which is the most isolated region located in the trans-Himalayas that presents extreme environmental ...A psychrotolerant hyphomycete Chalastospora gossypii was recovered from cold arid soil of Zanskar valley(3,500 msl),which is the most isolated region located in the trans-Himalayas that presents extreme environmental challenges for biotic system including microfungi.Complete description and illustration of the fungus based on morphology and rRNA gene sequences in ITS regions are provided.The report represents a new record in Indian sub-continent and reflects the ability of the reported fungus to thrive in extreme habitats of Indian sub-continent thus representing a new addition to cold desert as well as Indian mycoflora.展开更多
文摘DELTA(description language for taxonomy)系统是一个用于生物分类学描述的计算机信息处理系统,也是国际植物分类数据工作组(International Working Group on Taxonomic Databases for Plant Sciences)选定的国际数据交换通用标准。DELTA系统主要功能是对分类学的形态描述进行规范化处理,并在此基础上进行分类群的自动描述、交互式鉴定和分类信息管理等。随着DELTA系统近40年的研制和改进,以及因特网便捷的信息传输和交流,该系统被越来越多地应用于植物分类学研究。作者简要介绍了该系统的结构、功能、获取途径以及使用方法,对DELTA系统所包含的子程序的功能、用途及运行方式进行了简要分析,以期推动该系统在中国植物分类学研究中的普及和应用。
基金Supported by University Grant Commission,New Delhi,India[Grant No.F.14-2(SC)/2010(SA-Ⅲ)]
文摘Adansonia digitata L.(Malvaceae) is commonly known as baobab tree native to Africa.Baobab is a multi-purpose tree which offers protection and provides food,clothing and medicine as well as raw material for many useful items.The fruit pulp,seeds,leaves,flowers.roots,and bark of baobab are edible and they have been studied by scientists for their useful properties.The fruit pulp have very high vitamin C.calcium,phosphorus,carbohydrates,fibers,potassium,proteins and lipids content,which can be used in seasoning as an appetizer and also make juices.Seeds contain appreciable quantities of phosphorus,magnesium,zinc,sodium,iron,manganese,whereas they have high levels of lysine,thiamine,calcium and iron.Baobab has numerous biological properties including antimicrobial,anti-malarial,diarrhoea,anaemia,asthma,antiviral,anti-oxidant and anti-inflammatory activities amongst others.Phytochemical investigation revealed the presence of flavonoids.phytosterols.amino acids,fatty acids,vitamins and minerals.The review summarizes the information on various aspects of traditional information,taxonomic description,medicinal properties and importantly nutritional value.
文摘A psychrotolerant hyphomycete Chalastospora gossypii was recovered from cold arid soil of Zanskar valley(3,500 msl),which is the most isolated region located in the trans-Himalayas that presents extreme environmental challenges for biotic system including microfungi.Complete description and illustration of the fungus based on morphology and rRNA gene sequences in ITS regions are provided.The report represents a new record in Indian sub-continent and reflects the ability of the reported fungus to thrive in extreme habitats of Indian sub-continent thus representing a new addition to cold desert as well as Indian mycoflora.
