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Meiothermus timidus sp. nov., a new slightly thermophilic yellow-pigmented species

Several yellow-pigmented isolates, with optimum growth temperatures between 55 and 60 °C, were recovered from hot springs in Central Portugal and the Azores. Phylogenetic analysis of the 16S rDNA showed that these organisms represented a new species of the genus Meiothermus. The new isolates could b...

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Published in:FEMS microbiology letters 2005-04, Vol.245 (1), p.39-45
Main Authors: Pires, Ana Luisa, Albuquerque, Luciana, Tiago, Igor, Fernanda Nobre, M., Empadinhas, Nuno, Veríssimo, António, da Costa, Milton S.
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container_title FEMS microbiology letters
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Albuquerque, Luciana
Tiago, Igor
Fernanda Nobre, M.
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Veríssimo, António
da Costa, Milton S.
description Several yellow-pigmented isolates, with optimum growth temperatures between 55 and 60 °C, were recovered from hot springs in Central Portugal and the Azores. Phylogenetic analysis of the 16S rDNA showed that these organisms represented a new species of the genus Meiothermus. The new isolates could be distinguished from other strains of the species of the genus Meiothermus by biochemical characteristics and the fatty acid composition because they had very high levels of iso C15:0 and iso C17:0 and very low levels of anteiso C17:0 and iso C16:0. On the basis of the results presented here we propose the name Meiothermus timidus for the new species represented by strains SPS-243 T (=LMG 22897 T = CIP 108604 T), RQ-10 and RQ-12.
doi_str_mv 10.1016/j.femsle.2005.02.011
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ispartof FEMS microbiology letters, 2005-04, Vol.245 (1), p.39-45
issn 0378-1097
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language eng
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source Oxford Journals Online
subjects Bacterial Typing Techniques
Bacteriology
Base Composition
Biochemical characteristics
Biochemistry
Biological and medical sciences
DNA, Bacterial - analysis
DNA, Ribosomal - analysis
Fatty acid composition
Fatty acids
Fatty Acids - analysis
Fresh Water - microbiology
Fundamental and applied biological sciences. Psychology
Genes, rRNA
Hot springs
Hot Temperature
Levels
Lipids - analysis
Meiothermus
Meiothermus timidus
Meiothermus timidus sp. nov
Microbiology
Molecular Sequence Data
New species
Phenotype
Phylogeny
Pigments, Biological - metabolism
Portugal
RNA, Ribosomal, 16S - genetics
rRNA 16S
Sequence Analysis, DNA
Strains (organisms)
Systematics
Thermaceae
Thermus - chemistry
Thermus - classification
Thermus - genetics
Thermus - metabolism
title Meiothermus timidus sp. nov., a new slightly thermophilic yellow-pigmented species
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