Temporal and vertical variability of bacterioplankton composition in Chipana bay (21º20’S) in a coastal upwelling system of northern Chile: A fluorescence in situ hybridization approach
Abstract: The bacterioplankton in the upwelling systems associated with oceanographic condition of the oxygen minimum zone (OMZ) of the Eastern tropical South Pacific was studied through visualization and enumeration with fluorescent in situ hybridization (FISH). Six different taxonomic groups were...
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| Lenguaje: | English |
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Universidad de Valparaíso. Facultad de Ciencias del Mar
2020
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oai:scielo:S0718-195720200001000472020-09-11Temporal and vertical variability of bacterioplankton composition in Chipana bay (21º20’S) in a coastal upwelling system of northern Chile: A fluorescence in situ hybridization approachMedina-Armijo,CristyMoraga-Mamani,RubénSantander-Pulgar,Edgardo Hybridization in situ bacteria archaea upwelling systems Chile Abstract: The bacterioplankton in the upwelling systems associated with oceanographic condition of the oxygen minimum zone (OMZ) of the Eastern tropical South Pacific was studied through visualization and enumeration with fluorescent in situ hybridization (FISH). Six different taxonomic groups were studied (Alpha, Beta, Gamma-proteobacteria, Cytophaga-flavobacterium and the domains Archaea and Bacteria). The analysis showed a greater predominance of the Bacteria domain (20 to 68% of hybridized cells) over Archaea (2 to 18% of hybridized cells). The specific groups showed that Cytophaga-flavobacterium, Alpha-proteobacteria and Gamma-proteobacteria are more abundant in the surface layer. Gamma-proteobacteria is also most abundant in the deep oxycline and, Beta-proteobacteria is the group with the lowest registered abundances. Changes in the vertical distribution of the bacterial community in the water column between OMZ and on oxycline were observed through NMDS. This change is a product of a shift in the abundances of the specific groups Cytophaga-flavobacterium and Gamma-proteobacteria in the surface layers, due to low concentration of chlorophyll-a caused by periods of relaxation in the upwelling.info:eu-repo/semantics/openAccessUniversidad de Valparaíso. Facultad de Ciencias del MarRevista de biología marina y oceanografía v.55 n.1 20202020-08-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-19572020000100047en10.22370/rbmo.2020.55.1.2375 |
| institution |
Scielo Chile |
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Scielo Chile |
| language |
English |
| topic |
Hybridization in situ bacteria archaea upwelling systems Chile |
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Hybridization in situ bacteria archaea upwelling systems Chile Medina-Armijo,Cristy Moraga-Mamani,Rubén Santander-Pulgar,Edgardo Temporal and vertical variability of bacterioplankton composition in Chipana bay (21º20’S) in a coastal upwelling system of northern Chile: A fluorescence in situ hybridization approach |
| description |
Abstract: The bacterioplankton in the upwelling systems associated with oceanographic condition of the oxygen minimum zone (OMZ) of the Eastern tropical South Pacific was studied through visualization and enumeration with fluorescent in situ hybridization (FISH). Six different taxonomic groups were studied (Alpha, Beta, Gamma-proteobacteria, Cytophaga-flavobacterium and the domains Archaea and Bacteria). The analysis showed a greater predominance of the Bacteria domain (20 to 68% of hybridized cells) over Archaea (2 to 18% of hybridized cells). The specific groups showed that Cytophaga-flavobacterium, Alpha-proteobacteria and Gamma-proteobacteria are more abundant in the surface layer. Gamma-proteobacteria is also most abundant in the deep oxycline and, Beta-proteobacteria is the group with the lowest registered abundances. Changes in the vertical distribution of the bacterial community in the water column between OMZ and on oxycline were observed through NMDS. This change is a product of a shift in the abundances of the specific groups Cytophaga-flavobacterium and Gamma-proteobacteria in the surface layers, due to low concentration of chlorophyll-a caused by periods of relaxation in the upwelling. |
| author |
Medina-Armijo,Cristy Moraga-Mamani,Rubén Santander-Pulgar,Edgardo |
| author_facet |
Medina-Armijo,Cristy Moraga-Mamani,Rubén Santander-Pulgar,Edgardo |
| author_sort |
Medina-Armijo,Cristy |
| title |
Temporal and vertical variability of bacterioplankton composition in Chipana bay (21º20’S) in a coastal upwelling system of northern Chile: A fluorescence in situ hybridization approach |
| title_short |
Temporal and vertical variability of bacterioplankton composition in Chipana bay (21º20’S) in a coastal upwelling system of northern Chile: A fluorescence in situ hybridization approach |
| title_full |
Temporal and vertical variability of bacterioplankton composition in Chipana bay (21º20’S) in a coastal upwelling system of northern Chile: A fluorescence in situ hybridization approach |
| title_fullStr |
Temporal and vertical variability of bacterioplankton composition in Chipana bay (21º20’S) in a coastal upwelling system of northern Chile: A fluorescence in situ hybridization approach |
| title_full_unstemmed |
Temporal and vertical variability of bacterioplankton composition in Chipana bay (21º20’S) in a coastal upwelling system of northern Chile: A fluorescence in situ hybridization approach |
| title_sort |
temporal and vertical variability of bacterioplankton composition in chipana bay (21º20’s) in a coastal upwelling system of northern chile: a fluorescence in situ hybridization approach |
| publisher |
Universidad de Valparaíso. Facultad de Ciencias del Mar |
| publishDate |
2020 |
| url |
http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-19572020000100047 |
| work_keys_str_mv |
AT medinaarmijocristy temporalandverticalvariabilityofbacterioplanktoncompositioninchipanabay21o208217sinacoastalupwellingsystemofnorthernchileafluorescenceinsituhybridizationapproach AT moragamamaniruben temporalandverticalvariabilityofbacterioplanktoncompositioninchipanabay21o208217sinacoastalupwellingsystemofnorthernchileafluorescenceinsituhybridizationapproach AT santanderpulgaredgardo temporalandverticalvariabilityofbacterioplanktoncompositioninchipanabay21o208217sinacoastalupwellingsystemofnorthernchileafluorescenceinsituhybridizationapproach |
| _version_ |
1714202390272409600 |