轮状病毒(Rotavirus,RV)是引起婴幼儿及幼龄动物急性腹泻甚至死亡的重要病原。2009年,首次在幼龄大熊猫粪便中分离到RV,被确定为A组,并将其命名为大熊猫轮状病毒(Giant Panda Rotavirus,GPRV)CH-1株。GPRV CH-1株主要感染断奶后的大熊猫...轮状病毒(Rotavirus,RV)是引起婴幼儿及幼龄动物急性腹泻甚至死亡的重要病原。2009年,首次在幼龄大熊猫粪便中分离到RV,被确定为A组,并将其命名为大熊猫轮状病毒(Giant Panda Rotavirus,GPRV)CH-1株。GPRV CH-1株主要感染断奶后的大熊猫,引起急性传染性、顽固性腹泻甚至死亡,这对大熊猫的健康造成了严重的危害。本文介绍了GPRV CH-1株的基因结构和病毒蛋白结构及其生物信息学分析学以及该病的诊断方法和防治措施,以期为该病致病机制及疫苗研究提供参考。展开更多
Based on the principle of bacterial leaching and bacterial metallurgy,a novel technology for the detoxification of chromium-containing slag by Achromobacter sp.CH-1 and chromium recovery was proposed.Strain CH-1 cell ...Based on the principle of bacterial leaching and bacterial metallurgy,a novel technology for the detoxification of chromium-containing slag by Achromobacter sp.CH-1 and chromium recovery was proposed.Strain CH-1 cell morphology before and after Cr(Ⅵ) reduction was observed with a scanning electron microscope(SEM),and the reduction product is found to adhere to terminals of CH-1 cells.Energy-dispersive X-ray(EDX) and electron paramagnetic resonance(EPR) analyses reveal that the main component of the reduction product is Cr(Ⅲ).Furthermore,small and large-scale demonstration projects reveal that Achromobacter sp.can be used to detoxify chromium-containing slag and to selectively recover chromium by using this novel technique.Chromium recovery rate increases with decreasing particle sizes of chromium-containing slag and slagheap height.Chromium recovery rates in 10 t/batch and 20 t/batch of on-site demonstration projects for chromium-containing slag detoxification are more than 90%.展开更多
文摘轮状病毒(Rotavirus,RV)是引起婴幼儿及幼龄动物急性腹泻甚至死亡的重要病原。2009年,首次在幼龄大熊猫粪便中分离到RV,被确定为A组,并将其命名为大熊猫轮状病毒(Giant Panda Rotavirus,GPRV)CH-1株。GPRV CH-1株主要感染断奶后的大熊猫,引起急性传染性、顽固性腹泻甚至死亡,这对大熊猫的健康造成了严重的危害。本文介绍了GPRV CH-1株的基因结构和病毒蛋白结构及其生物信息学分析学以及该病的诊断方法和防治措施,以期为该病致病机制及疫苗研究提供参考。
基金Projects(51304251,51504299)supported by the National Natural Science Foundation of ChinaProject(201509050)supported by Special Program on Environmental Protection for Public Welfare,China
文摘Based on the principle of bacterial leaching and bacterial metallurgy,a novel technology for the detoxification of chromium-containing slag by Achromobacter sp.CH-1 and chromium recovery was proposed.Strain CH-1 cell morphology before and after Cr(Ⅵ) reduction was observed with a scanning electron microscope(SEM),and the reduction product is found to adhere to terminals of CH-1 cells.Energy-dispersive X-ray(EDX) and electron paramagnetic resonance(EPR) analyses reveal that the main component of the reduction product is Cr(Ⅲ).Furthermore,small and large-scale demonstration projects reveal that Achromobacter sp.can be used to detoxify chromium-containing slag and to selectively recover chromium by using this novel technique.Chromium recovery rate increases with decreasing particle sizes of chromium-containing slag and slagheap height.Chromium recovery rates in 10 t/batch and 20 t/batch of on-site demonstration projects for chromium-containing slag detoxification are more than 90%.