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IDENTIFICATION OF SULFATE-REDUCING ECTOSYMBIOTIC BACTERIA FROM ANAEROBIC CILIATES USING 16S RIBOSOMAL-RNA BINDING OLIGONUCLEOTIDE PROBES
被引:0
|作者:
FENCHEL, T
[1
]
RAMSING, NB
[1
]
机构:
[1] MAX PLANCK INST MARINE MIKROBIOL,BITZ,W-2800 BREMEN 33,GERMANY
关键词:
ANAEROBIC CILIATES;
ECTOSYMBIOTIC BACTERIA;
SULFATE-REDUCERS;
FLUORESCENT OLIGONUCLEOTIDE PROBES;
METOPUS-CONTORTUS;
CAENOMORPHA-LEVANDERI;
PARABLEPHARISMA;
D O I:
暂无
中图分类号:
Q93 [微生物学];
学科分类号:
071005 ;
100705 ;
摘要:
The identity of ectosymbiotic bacteria of some marine, free-living anaerobic ciliates (Metopus contortus, Caenomorpha levanderi and Parablepharisma sp.) was studied using fluorescent-dye-conjugated oligonucleotides complementary to short sequence elements of 16S ribosomal RNA. The ectosymbiotic bacteria of all species hybridized with a eubacterial probe and those of the two former mentioned species hybridized with a general probe for sulphate-reducing bacteria, but not to a probe specific for Desulfobacter. The results support indirect evidence suggesting that ectosymbiotic bacteria of anaerobic ciliates are sulphate-reducers which depend on host metabolites for substrates.
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页码:394 / 397
页数:4
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