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Clinical Microbiology Reviews, July 2007, p. 459-477, Vol. 20, No. 3
0893-8512/07/$08.00+0     doi:10.1128/CMR.00039-06
Copyright © 2007, American Society for Microbiology. All Rights Reserved.

Atmospheric Movement of Microorganisms in Clouds of Desert Dust and Implications for Human Health

Dale W. Griffin*

U.S. Geological Survey, St. Petersburg, Florida 33701

Billions of tons of desert dust move through the atmosphere each year. The primary source regions, which include the Sahara and Sahel regions of North Africa and the Gobi and Takla Makan regions of Asia, are capable of dispersing significant quantities of desert dust across the traditionally viewed oceanic barriers. While a considerable amount of research by scientists has addressed atmospheric pathways and aerosol chemistry, very few studies to determine the numbers and types of microorganisms transported within these desert dust clouds and the roles that they may play in human health have been conducted. This review is a summary of the current state of knowledge of desert dust microbiology and the health impact that desert dust and its microbial constituents may have in downwind environments both close to and far from their sources.

* Present address: U.S. Geological Survey, 2010 Levy Ave., Tallahassee, FL 32310. Phone: (850) 942-9500, ext. 3062. Fax: (850) 942-9521. E-mail: dgriffin{at}usgs.gov

Clinical Microbiology Reviews, July 2007, p. 459-477, Vol. 20, No. 3
0893-8512/07/$08.00+0     doi:10.1128/CMR.00039-06
Copyright © 2007, American Society for Microbiology. All Rights Reserved.



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