一个国际研究小组日前发表论文说,通过对太平洋各岛屿原住民体内的幽门螺杆菌进行分析,可推断出远古时期人类从亚洲大陆向太平洋岛屿迁徙的历程。研究人员在论文中说:太平洋岛屿原住民体内有两种特别的幽门螺杆菌,他们通过分析对比这些细菌的演化特点,推断出古代人类曾有两次向 A recent international paper published by an international team said that analysis of Helicobacter pylori in indigenous peoples in the islands of the Pacific could be used to deduce the history of human migration from the Asian continent to the Pacific during ancient times. In their paper, the researchers said that there are two special types of Helicobacter pylori in the Pacific island natives. By analyzing the evolutionary characteristics of these bacteria, they conclude that ancient humans had twice