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.
引用
收藏
页码:394 / 397
页数:4
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