Determination of the chromosomal locations of four Bacillus subtilis genes which code for a family of small, acid-soluble spore proteins

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Abstract
The chromosomal locations of four genes which code for small, acid-soluble spore proteins (SASP) in Bacillus subtilis have been determined. Although these four genes code for extremely homologous small, acid-soluble spore proteins (greater than 65% sequence identity), the genes are not clustered but are located at 70 degrees (adjacent to glyB [sspB gene]), 115 degrees (between metC and pyr cluster [sspD gene]), 180 degrees (between metB and kauA [sspC gene]), and 260 degrees (between ilvC and aroG [sspA gene]) on the B. subtilis genetic map.