Article (Scientific journals)
Bacterial community composition in Lake Tanganyika: Vertical and horizontal heterogeneity
De Wever, A.; Muylaert, K.; Van Der Gucht, K. et al.
2005In Applied and Environmental Microbiology, 71 (9), p. 5029 - 5037
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Abstract :
[en] Vertical and latitudinal differences in bacterial community composition (BCC) in Lake Tanganyika were studied during the dry season of 2002 by means of denaturing gradient gel electrophoresis analysis of PCR-amplified 16S RNA fragments. Dominant bands were sequenced and identified as members of the Cyanobacteria, Actinobacteria, Nitrospirae, green nonsulfur bacteria, and Firmicutes divisions and the Gamma- and Deltaproteobacteria subdivisions. The BCC in the lake displayed both vertical and latitudinal variation. Vertical changes in BCC were related to the thermal water column stratification, which influences oxygen and nutrient concentrations. Latitudinal variation was related to upwelling of deep water and increased primary production in the south of the lake. The number of bands per sample increased with bacterial production in the epilimnion of the lake, suggesting a positive diversity-productivity relationship. Copyright © 2005, American Society for Microbiology. All Rights Reserved.
Disciplines :
Aquatic sciences & oceanology
Author, co-author :
De Wever, A.;  Ghent University, Department of Biology, Section of Protistology and Aquatic Ecology, 9000 Ghent, Belgium
Muylaert, K.;  Ghent University, Department of Biology, Section of Protistology and Aquatic Ecology, 9000 Ghent, Belgium
Van Der Gucht, K.;  Ghent University, Department of Biology, Section of Protistology and Aquatic Ecology, 9000 Ghent, Belgium
Pirlot, S.;  University of Namur, Department of Biology, URBO, Namur, Belgium
Cocquyt, C.;  Ghent University, Department of Biology, Section of Protistology and Aquatic Ecology, 9000 Ghent, Belgium
Descy, Jean-Pierre ;  Université de Liège - ULiège > Département d'astrophysique, géophysique et océanographie (AGO) > Chemical Oceanography Unit (COU) ; University of Namur, Department of Biology, URBO, Namur, Belgium
Plisnier, Pierre-Denis  ;  Université de Liège - ULiège > Département d'astrophysique, géophysique et océanographie (AGO) > Chemical Oceanography Unit (COU) ; University of Namur, Department of Biology, URBO, Namur, Belgium, Royal Museum for Central Africa, Tervuren, Belgium
Vyverman, W.;  Ghent University, Department of Biology, Section of Protistology and Aquatic Ecology, 9000 Ghent, Belgium
Language :
English
Title :
Bacterial community composition in Lake Tanganyika: Vertical and horizontal heterogeneity
Publication date :
2005
Journal title :
Applied and Environmental Microbiology
ISSN :
0099-2240
eISSN :
1098-5336
Publisher :
American Society for Microbiology, Washington, Us dc
Volume :
71
Issue :
9
Pages :
5029 - 5037
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 18 October 2022

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