Characterization of a bacterium isolated from amber
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A bacterium has been isolated from Baltic amber, after it was soaked in ethanol and flamed. The bacterium was a Gram-positive aerobic spore-forming rod whose 16S rDNA sequence had a 99.6% homology to that of Bacillus subtilis. Accordingly, the bacterium was identified as a strain in the species Bacillus subtilis. Considering the isolation procedure that was employed, the isolate should not be a contaminant of the contemporary Bacillus population; however, it may not be considered as a bacterium trapped when the amber was formed. These results suggest that amber might contain bacteria that were derived from the environments in which the amber had been located.
Keywords
amber Bacillus subtilis 16S rRNA sequencePreview
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