Temperature drives the continental-scale distribution of key microbes in topsoil communities

Ferran Garcia-Pichel, Virginia Loza, Yevgeniy Marusenko, Pilar Mateo, Ruth M. Potrafka

Research output: Contribution to journalArticle

100 Citations (Scopus)

Abstract

Global warming will likely force terrestrial plant and animal species to migrate toward cooler areas or sustain range losses; whether this is also true for microorganisms remains unknown. Through continental-scale compositional surveys of soil crust microbial communities across arid North America, we observed a latitudinal replacement in dominance between two key topsoil cyanobacteria that was driven largely by temperature. The responses to temperature of enrichment cultures and cultivated strains support this contention, with one cyanobacterium (Microcoleus vaginatus) being more psychrotolerant and less thermotolerant than the other (M. steenstrupii). In view of our data and regional climate predictions, the latter cyanobacterium may replace the former in much of the studied area within the next few decades, with unknown ecological consequences for soil fertility and erodibility.

Original languageEnglish (US)
Pages (from-to)1574-1577
Number of pages4
JournalScience
Volume340
Issue number6140
DOIs
StatePublished - 2013

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Cyanobacteria
Temperature
Soil
Global Warming
North America
Climate
Fertility

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Temperature drives the continental-scale distribution of key microbes in topsoil communities. / Garcia-Pichel, Ferran; Loza, Virginia; Marusenko, Yevgeniy; Mateo, Pilar; Potrafka, Ruth M.

In: Science, Vol. 340, No. 6140, 2013, p. 1574-1577.

Research output: Contribution to journalArticle

Garcia-Pichel, Ferran ; Loza, Virginia ; Marusenko, Yevgeniy ; Mateo, Pilar ; Potrafka, Ruth M. / Temperature drives the continental-scale distribution of key microbes in topsoil communities. In: Science. 2013 ; Vol. 340, No. 6140. pp. 1574-1577.
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