Reclassification of Thiobacillus thyasiris as Thiomicrospira thyasirae comb. nov., an organism exhibiting pleomorphism in response to environmental conditions |
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| Authors: | Ann P Wood Don P Kelly |
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| Institution: | (1) Department of Biological Sciences, University of Warwick, CV4 7AL Coventry, England;(2) Division of Life Sciences, King's College London, Campden Hill Road, W8 7AH London, UK;(3) Natural Environment Research Council, Polaris House, SN2 1EU Swindon, UK |
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| Abstract: | The halotolerant, facultatively chemolithoautotrophic, gramnegative sulphur-oxidizing organism isolated from the gills of Thyasira flexuosa is shown to exhibit pleomorphism consistent with its being a member of the genus Thiomicrospira and not a Thiobacillus as originally classified. Its distinctive morphology, DNA base composition, and similarity of 16S rRNA sequences to that of Thiomicrospira sp. strain L-12 (which differs only in detail from the type species Thiomicrospira pelophila), lead us to reclassify this strain as Thiomicrospira thyasirae DSM5322. |
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| Keywords: | Thiobacillus thyasiris DSM5322 Thiomicrospira thyasirae Pleomorphism |
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