PMID- 26639580 OWN - NLM STAT- MEDLINE DCOM- 20161006 LR - 20181113 IS - 1347-4405 (Electronic) IS - 1342-6311 (Print) IS - 1342-6311 (Linking) VI - 30 IP - 4 DP - 2015 TI - Identification and Detection of Prokaryotic Symbionts in the Ciliate Metopus from Anaerobic Granular Sludge. PG - 335-8 LID - 10.1264/jsme2.ME15154 [doi] AB - The aim of the present study was to investigate the prokaryotic community structure of the anaerobic ciliate, Metopus sp. using rRNA sequencing, fluorescence in situ hybridization (FISH), and transmission electron microscopy (TEM). Metopus sp. was physically separated from anaerobic granular sludge in a domestic wastewater treatment plant and anoxically cultivated for 7 d. 16S rRNA gene sequences from the prokaryotes Methanoregula boonei and Clostridium aminobutyricum were abundantly detected in Metopus ciliates. The FISH analysis using the oligonucleotide probes Mg1200b and Cla568 demonstrated that these prokaryotes were localized within Metopus cells. These results identify M. boonei- and C. aminobutyricum-like prokaryotes as novel endosymbionts of Metopus ciliates. FAU - Hirakata, Yuga AU - Hirakata Y AD - Department of Civil Engineering, National Institute of Technology, Nagaoka College. FAU - Oshiki, Mamoru AU - Oshiki M FAU - Kuroda, Kyohei AU - Kuroda K FAU - Hatamoto, Masashi AU - Hatamoto M FAU - Kubota, Kengo AU - Kubota K FAU - Yamaguchi, Takashi AU - Yamaguchi T FAU - Harada, Hideki AU - Harada H FAU - Araki, Nobuo AU - Araki N LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20151204 PL - Japan TA - Microbes Environ JT - Microbes and environments JID - 9710937 RN - 0 (DNA, Archaeal) RN - 0 (DNA, Bacterial) RN - 0 (DNA, Ribosomal) RN - 0 (RNA, Ribosomal, 16S) RN - 0 (Sewage) SB - IM MH - *Biota MH - Ciliophora/*microbiology MH - Clostridium/classification/genetics/*isolation & purification MH - Cluster Analysis MH - DNA, Archaeal/chemistry/genetics MH - DNA, Bacterial/chemistry/genetics MH - DNA, Ribosomal/chemistry/genetics MH - In Situ Hybridization, Fluorescence MH - Methanomicrobiales/classification/genetics/*isolation & purification MH - Microbial Consortia MH - Microscopy, Electron, Transmission MH - Molecular Sequence Data MH - Phylogeny MH - RNA, Ribosomal, 16S/genetics MH - Sequence Analysis, DNA MH - Sewage/*microbiology MH - *Symbiosis PMC - PMC4676557 EDAT- 2015/12/08 06:00 MHDA- 2016/10/08 06:00 PMCR- 2015/12/01 CRDT- 2015/12/08 06:00 PHST- 2015/12/08 06:00 [entrez] PHST- 2015/12/08 06:00 [pubmed] PHST- 2016/10/08 06:00 [medline] PHST- 2015/12/01 00:00 [pmc-release] AID - 30_335 [pii] AID - 10.1264/jsme2.ME15154 [doi] PST - ppublish SO - Microbes Environ. 2015;30(4):335-8. doi: 10.1264/jsme2.ME15154. Epub 2015 Dec 4.