PMID- 17593423
OWN - NLM
STAT- MEDLINE
DCOM- 20071217
LR  - 20181113
IS  - 0095-3628 (Print)
IS  - 0095-3628 (Linking)
VI  - 54
IP  - 3
DP  - 2007 Oct
TI  - Archaeal communities in a tropical estuarine ecosystem: Guanabara Bay, Brazil.
PG  - 460-8
AB  - Guanabara Bay is an eutrophic estuarine system located in a humid tropical region 
      surrounded by the second largest metropolitan area of Brazil. This study explores 
      the contrasting environmental chemistry and microbiological parameters that 
      influence the archaeaplankton diversity in a pollution gradient in Guanabara Bay 
      ecosystem. The environments sampled ranged from completely anoxic waters in a 
      polluted inner channel to the adjacent, relatively pristine, coastal Atlantic 
      Ocean. Partial archaeal 16S rDNA sequences in water samples were retrieved by 
      polymerase chain reaction (PCR) and analyzed using denaturing gradient gel 
      electrophoresis (DGGE), cloning, and sequencing. Sequences were subjected to 
      phylogenetic and diversity analyses. Community structure of the free-living 
      archaeal assemblages was different from that of the particle-attached archaea 
      according to DGGE. Gene libraries revealed that phylotype identification was 
      consistent with environmental setting. Archaeal phylotypes found in polluted 
      anoxic waters and in more pristine waters were closely related to organisms that 
      have previously been found in these environments. However, inner bay archaea were 
      related to organisms found in oil, industrial wastes, and sewage, implying that 
      water pollution controls archaea communities in this system. The detection of a 
      substantial number of uncultured phylotypes suggests that Guanabara Bay harbors a 
      pool of novel archaeaplankton taxa.
FAU - Vieira, Ricardo P
AU  - Vieira RP
AD  - Departamento de Biologia Marinha, Universidade Federal do Rio de Janeiro, Rio de 
      Janeiro, 21941-590, Brazil.
FAU - Clementino, Maysa M
AU  - Clementino MM
FAU - Cardoso, Alexander M
AU  - Cardoso AM
FAU - Oliveira, Denise N
AU  - Oliveira DN
FAU - Albano, Rodolpho M
AU  - Albano RM
FAU - Gonzalez, Alessandra M
AU  - Gonzalez AM
FAU - Paranhos, Rodolfo
AU  - Paranhos R
FAU - Martins, Orlando B
AU  - Martins OB
LA  - eng
SI  - GENBANK/DQ913105
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PT  - Journal Article
PT  - Research Support, Non-U.S. Gov't
DEP - 20070626
PL  - United States
TA  - Microb Ecol
JT  - Microbial ecology
JID - 7500663
RN  - 0 (DNA, Archaeal)
RN  - 0 (RNA, Ribosomal, 16S)
SB  - IM
MH  - Archaea/classification/*genetics/growth & development
MH  - Brazil
MH  - DNA, Archaeal/chemistry/genetics
MH  - *Ecosystem
MH  - Geography
MH  - Molecular Sequence Data
MH  - Phylogeny
MH  - Polymerase Chain Reaction
MH  - RNA, Ribosomal, 16S/genetics
MH  - Seawater/*microbiology
MH  - Sequence Analysis, DNA
EDAT- 2007/06/27 09:00
MHDA- 2007/12/18 09:00
CRDT- 2007/06/27 09:00
PHST- 2007/01/25 00:00 [received]
PHST- 2007/04/18 00:00 [accepted]
PHST- 2007/06/27 09:00 [pubmed]
PHST- 2007/12/18 09:00 [medline]
PHST- 2007/06/27 09:00 [entrez]
AID - 10.1007/s00248-007-9261-y [doi]
PST - ppublish
SO  - Microb Ecol. 2007 Oct;54(3):460-8. doi: 10.1007/s00248-007-9261-y. Epub 2007 Jun 
      26.