Characterization of a bacterium isolated from amber |
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Authors: | Tetsuo Hamamoto Koki Horikoshi |
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Institution: | (1) The Institute of Physical and Chemical Research (RIKEN), 351-01 Wako, Saitama, Japan |
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Abstract: | 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. |
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Keywords: | amber Bacillus subtilis 16S rRNA sequence |
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