Melting Arctic glaciers are in rapid recession, and microscopic pioneers colonize the new exposed landscapes. Researchers revealed that yeasts play an important role in soil formation in the Arctic.
Melting Arctic glaciers are in rapid recession, and microscopic pioneers colonize the new exposed landscapes. LMU researchers have revealed that yeasts play an important role in soil formation in the Arctic.
The very first pioneers of the inhospitable terrain are microorganisms such as bacteria and fungi."Microbes determine how much carbon and nitrogen can be stored in the young soils," explains Professorat LMU."But little is known about the exact processes behind this nutrient stabilization through microbial activity." To better understand them, Orsi and his team studied soils in the Arctic that have recently been exposed.
Orsi's team investigated the microbial composition of the various areas by means of DNA analysis while also measuring the cycling and flow of carbon and nitrogen. Through experiments involving isotope labeled amino acids, they were able to precisely follow the microbial assimilation and metabolism of organic carbon.
Juan Carlos Trejos-Espeleta, Juan P. Marin-Jaramillo, Steven K. Schmidt, Pacifica Sommers, James A. Bradley, William D. Orsi.Shrinking glaciers expose new land in the Arctic, creating unique ecosystems. Researchers studied how microbes colonize these barren landscapes. The study reveals a crucial role for specific fungal ...
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