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Three genes coding for alpha/beta-type small, acid-soluble spore proteins (SASP) have been cloned from Clostridium perfringens and their nucleotide sequence determined. The proteins coded for contain 15 and 21 residues identical to those in Bacillus and C. bifermentans alpha/beta-type SASP, respectively, as well as many homologous residues. However, the C. perfringens SASP exhibit significant sequence divergence from Bacillus and C. bifermentans SASP. These genes may be useful in taxonomic studies of Clostridium species.
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Cabrera-Martinez et al. (1991) studied this question.
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