The Effect of HgCl<sub>2</sub> on the Germination of <i>Bacillus megaterium</i> QM B1551 Spores

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  • <i>Bacillus megaterium</i> (QM B1551)芽胞の発芽にたいするHgCl<sub>2</sub>の作用
  • Bacillus megaterium QM B1551 ガホウ ノ ハツガ

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Abstract

HgCl2 was studied for effect on the germination of Bacillus megaterium QM B1551 spores.The germination of spores by glucose was completely inhibited by 1mM of HgCl2. From such spores 46μg of Hg was detected.<br>The germination of HgCl2-treated spores occurred when the spores were resuspended in nutrient broth and incubated. The mercury contained in these spores was released in the course of germination.<br>The extraction of spores with 8M urea caused the release of 101μg of protein per mg of spores. When treated with HgCl2, spores retained 26.2μg of Hg per mg of spores after treatment.<br>There were small differences in reactions to germination agents between the HgCl2-treated and non-treated spores.

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