Humans are leaving behind a 'frozen signature' of microbes on MountEverest
Microbial communities in alpine environments >7,500 m.a.s.l. have not been well studied using modern cultivation-independent sequencing approaches due to the challenges and danger associated with reaching such high elevations. For this reason, we know little about the microorganisms found in sediments on Earth’s tallest mountains, how they reach these surfaces, and how they survive and remain active at such extreme elevations.
Here, we explore the microbial diversity recovered from three sediment samples collected from the South Col of Sagarmatha using both culturing and next generation sequencing approaches . Both approaches detected very low diversity of bacteria, protists, and fungi that included a combination of cosmopolitan taxa and specialized microorganisms often found at high elevations like those of the genera.
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