Cherepova, N.Baykousheva, S.Ilieva, K.Histochemical studies and electron microscopy of Bacillus subtilis revealed the presence of ATPase in various subcellular fractions. The enzyme was preferentially localized in mesosomes, cytoplasmic membrane, periplasmic space, and cell wall.enBacillus subtilisUltrastructureBaykouchevaHistochemistryElectron microscopyATPaseAdenosinetriphosphataseCell membranesCell wallElectron-microscopic demonstration of the localization of adenosinetriphosphatase in Bacillus subtilisArticle