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American Society for Microbiology, Applied and Environmental Microbiology, 4(71), p. 2154-2157, 2005

DOI: 10.1128/aem.71.4.2154-2157.2005

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Differential Sunlight Sensitivity of Picophytoplankton from Surface Mediterranean Coastal Waters

Journal article published in 2005 by Ruben Sommaruga, Julia S. Hofer, Laura Alonso-Sáez, Josep M. Gasol ORCID
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

ABSTRACT We tested the sensitivity of coastal picophytoplankton exposed to natural sunlight in short-term experiments. Cell abundance and cell-specific chlorophyll fluorescence were significantly reduced in Prochlorococcus spp. but not in Synechococcus , whereas picoeukaryotes had an intermediate response. These results are the first direct evidence of a differential sensitivity to sunlight of these ubiquitous marine members of unicellular phytoplankton.