[提示]文章虽短,却动人心魄,开人眼界!人在水中遇到鲨鱼,如在山中遇到猛 虎。而这位被人称为the Iceman(能否译成"冰汉"?)却徒手将一条对他手下的人构成生命威胁的鲨鱼拖上岸,并用刀将鲨鱼杀死!其猛其勇,堪与当年武松媲美!文...[提示]文章虽短,却动人心魄,开人眼界!人在水中遇到鲨鱼,如在山中遇到猛 虎。而这位被人称为the Iceman(能否译成"冰汉"?)却徒手将一条对他手下的人构成生命威胁的鲨鱼拖上岸,并用刀将鲨鱼杀死!其猛其勇,堪与当年武松媲美!文章中的两句连续使用了4个动词,极为精彩:Captain Sigurdur Petursson,known to locals as"the Iceman,"ran into the shallow water and grabbed theshark by its tail.He dragged it off to dry land and killed it with his knife.展开更多
Otzi,the 5000-year old mummy pulled from a glacier in the Tyrolean Alps in 1991,was apparently not in the best of health before he succumbed to the cold of the mountainside.The first X-rays of the mummified body show ...Otzi,the 5000-year old mummy pulled from a glacier in the Tyrolean Alps in 1991,was apparently not in the best of health before he succumbed to the cold of the mountainside.The first X-rays of the mummified body show that he suffered from painful arthritis,multiple rib fractures and hardening of the arteries.展开更多
The bacterium Helicobacter pylori(H.pylori)infects the stomachs of approximately 50%of all humans.With its universal occurrence,high infectivity and virulence properties it is considered as one of the most severe glob...The bacterium Helicobacter pylori(H.pylori)infects the stomachs of approximately 50%of all humans.With its universal occurrence,high infectivity and virulence properties it is considered as one of the most severe global burdens of modern humankind.It has accompanied humans for many thousands of years,and due to its high genetic variability and vertical transmission,its population genetics reflects the history of human migrations.However,especially complex demographic events such as the colonisation of Europe cannot be resolved with population genetic analysis of modern H.pylori strains alone.This is best exemplified with the reconstruction of the 5300-year-old H.pylori genome of the Iceman,a European Copper Age mummy.Our analysis provided precious insights into the ancestry and evolution of the pathogen and underlined the high complexity of ancient European population history.In this review we will provide an overview on the molecular analysis of H.pylori in mummified human remains that were done so far and we will outline methodological advancements in the field of ancient DNA research that support the reconstruction and authentication of ancient H.pylori genome sequences.展开更多
文摘[提示]文章虽短,却动人心魄,开人眼界!人在水中遇到鲨鱼,如在山中遇到猛 虎。而这位被人称为the Iceman(能否译成"冰汉"?)却徒手将一条对他手下的人构成生命威胁的鲨鱼拖上岸,并用刀将鲨鱼杀死!其猛其勇,堪与当年武松媲美!文章中的两句连续使用了4个动词,极为精彩:Captain Sigurdur Petursson,known to locals as"the Iceman,"ran into the shallow water and grabbed theshark by its tail.He dragged it off to dry land and killed it with his knife.
文摘Otzi,the 5000-year old mummy pulled from a glacier in the Tyrolean Alps in 1991,was apparently not in the best of health before he succumbed to the cold of the mountainside.The first X-rays of the mummified body show that he suffered from painful arthritis,multiple rib fractures and hardening of the arteries.
基金Supported by the Programma Ricerca Budget prestazioni Eurac 2017 of the Province of Bolzano,Italy
文摘The bacterium Helicobacter pylori(H.pylori)infects the stomachs of approximately 50%of all humans.With its universal occurrence,high infectivity and virulence properties it is considered as one of the most severe global burdens of modern humankind.It has accompanied humans for many thousands of years,and due to its high genetic variability and vertical transmission,its population genetics reflects the history of human migrations.However,especially complex demographic events such as the colonisation of Europe cannot be resolved with population genetic analysis of modern H.pylori strains alone.This is best exemplified with the reconstruction of the 5300-year-old H.pylori genome of the Iceman,a European Copper Age mummy.Our analysis provided precious insights into the ancestry and evolution of the pathogen and underlined the high complexity of ancient European population history.In this review we will provide an overview on the molecular analysis of H.pylori in mummified human remains that were done so far and we will outline methodological advancements in the field of ancient DNA research that support the reconstruction and authentication of ancient H.pylori genome sequences.
