Airborne Microbial Communities at High-Altitude and Suburban Sites in Toyama, Japan Suggest a New Perspective for Bioprospecting

Frontiers in Bioengineering and Biotechnology
Daisuke TanakaShogo Nakamura

Abstract

Airborne microorganisms, especially those at high altitude, are exposed to hostile conditions, including ultraviolet (UV) radiation, desiccation, and low temperatures. This study was conducted to compare the composition and abundance of airborne microorganisms at a high-altitude site, Mt. Jodo [2,839 m above mean sea level (AMSL)] and a suburban site (23 m AMSL) in Toyama, Japan. To our knowledge, this is the first study to investigate microbial communities in air samples collected simultaneously at two sites in relatively close proximity, from low and high altitude. Air samples were collected over a period of 3 years during 2009-2011. We then examined the bacterial and eukaryotic communities and estimated the abundance of bacteria and fungi with real-time TaqMan PCR. The airborne bacterial and eukaryotic communities differed between high-altitude and suburban sites on each sampling day. Backward trajectory analysis of air masses that arrived at high-altitude and suburban sites on each sampling day displayed almost the same paths. The bacterial communities were dominated by Actinobacteria, Firmicutes, and Proteobacteria, while the eukaryotic communities included Ascomycota, Basidiomycota, and Streptophyta. We also predicted som...Continue Reading

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Citations

Sep 26, 2019·Scientific Reports·Nojood A AalismailCarlos M Duarte
Feb 17, 2021·Frontiers of Environmental Science & Engineering·Wenwen XieTaicheng An
Feb 13, 2021·Environment International·Andrés NúñezRaúl Guantes
Oct 12, 2020·Environment International·Tay Ruiz-GilMilko A Jorquera
Nov 6, 2021·Frontiers in Microbiology·Cristina González-MartínJuan P Díaz

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Datasets Mentioned

BETA
DRA007352

Methods Mentioned

BETA
PCR

Software Mentioned

R
USEARCH
HYSPLIT
Quantitative Insights into Microbial Ecology ( QIIME )
LEfSe

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