Distribution and Growth of Aerobic Anoxygenic Phototrophs in the Mediterranean Sea

Distribution and Growth of Aerobic Anoxygenic Phototrophs in the Mediterranean Sea

9 pages, 6 figures, 2 tables

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Main Authors: Hojerová, Eva, Mašín, Michal, Brunet, Christophe, Ferrera, Isabel, Gasol, Josep M., Koblízek, Michal
Format: artículo biblioteca
Language:English
Published: Blackwell Publishing 2011-10
Online Access:http://hdl.handle.net/10261/45227
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spelling dig-icm-es-10261-452272020-11-26T10:15:00Z Distribution and Growth of Aerobic Anoxygenic Phototrophs in the Mediterranean Sea Hojerová, Eva Mašín, Michal Brunet, Christophe Ferrera, Isabel Gasol, Josep M. Koblízek, Michal 9 pages, 6 figures, 2 tables The distribution of aerobic anoxygenic phototrophs (AAPs) was surveyed in various regions of the Mediterranean Sea in spring and summer. These phototrophic bacteria were present within the euphotic layer at all sampled stations. The AAP abundances increased with increasing trophic status ranging from 2.5 × 103 cells per ml in oligotrophic Eastern Mediterranean up to 90 × 103 cells per ml in the Bay of Villefranche. Aerobic anoxygenic phototrophs made up on average 1–4% of total prokaryotes in low nutrient areas, whereas in coastal and more productive stations these organisms represented 3–11% of total prokaryotes. Diel bacteriochlorophyll a decay measurements showed that AAP community in the Western Mediterranean grew rapidly, at rates from 1.13 to 1.42 day−1. The lower AAP abundances registered in the most oligotrophic waters suggest that they are relatively poor competitors under nutrient limiting conditions. Instead, AAPs appear to be metabolically active organisms, which thrive better in more eutrophic environments providing the necessary substrates to maintain high growth rates This research was supported by AV Cˇ R project M200200903, project Algatech (CZ.1.05/2.1.00/03.0110) and the Inst. research concepts MSM6007665808 and AV0Z50200510. The June 2007 cruise in the eastern Mediterranean Sea was carried out under the framework of the Italian project VECTOR. The Modivus cruise was funded by Spanish project CTM2005-04795/MAR to J.M. Gasol Peer reviewed 2012-02-07T11:30:30Z 2012-02-07T11:30:30Z 2011-10 artículo http://purl.org/coar/resource_type/c_6501 Environmental Microbiology 13(10): 2717-2725 (2011) 1462-2912 http://hdl.handle.net/10261/45227 10.1111/j.1462-2920.2011.02540.x 1462-2920 en https://doi.org/10.1111/j.1462-2920.2011.02540.x none Blackwell Publishing
institution ICM ES
collection DSpace
country España
countrycode ES
component Bibliográfico
access En linea
databasecode dig-icm-es
tag biblioteca
region Europa del Sur
libraryname Biblioteca del ICM España
language English
description 9 pages, 6 figures, 2 tables
format artículo
author Hojerová, Eva
Mašín, Michal
Brunet, Christophe
Ferrera, Isabel
Gasol, Josep M.
Koblízek, Michal
spellingShingle Hojerová, Eva
Mašín, Michal
Brunet, Christophe
Ferrera, Isabel
Gasol, Josep M.
Koblízek, Michal
Distribution and Growth of Aerobic Anoxygenic Phototrophs in the Mediterranean Sea
author_facet Hojerová, Eva
Mašín, Michal
Brunet, Christophe
Ferrera, Isabel
Gasol, Josep M.
Koblízek, Michal
author_sort Hojerová, Eva
title Distribution and Growth of Aerobic Anoxygenic Phototrophs in the Mediterranean Sea
title_short Distribution and Growth of Aerobic Anoxygenic Phototrophs in the Mediterranean Sea
title_full Distribution and Growth of Aerobic Anoxygenic Phototrophs in the Mediterranean Sea
title_fullStr Distribution and Growth of Aerobic Anoxygenic Phototrophs in the Mediterranean Sea
title_full_unstemmed Distribution and Growth of Aerobic Anoxygenic Phototrophs in the Mediterranean Sea
title_sort distribution and growth of aerobic anoxygenic phototrophs in the mediterranean sea
publisher Blackwell Publishing
publishDate 2011-10
url http://hdl.handle.net/10261/45227
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AT ferreraisabel distributionandgrowthofaerobicanoxygenicphototrophsinthemediterraneansea
AT gasoljosepm distributionandgrowthofaerobicanoxygenicphototrophsinthemediterraneansea
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