The small molecular mass subunit of the cell wall channel of the Gram-positive Corynebacterium glutamicum: immunological localization, cloning and sequencing of its gene porA - Lichtinger, Thomas; Rieß, Franziska G.; Burkovski, Andreas; Engelbrecht, Fredi; Hesse, Dörte; Kratzin, Helmut D.; Krämer, Reinhard; Benz, Roland (European Journal of Biochemistry, 2001)