title: Cloning and expression of Bacillus subtilis spore genes.
mesh_terms: D001412:Bacillus subtilis / Q000235:genetics*; D003001:Cloning, Molecular; D005786:Gene Expression Regulation; D005798:Genes, Bacterial; D005822:Genetic Vectors; D010957:Plasmids; D013171:Spores, Bacterial; D014170:Transformation, Genetic