MAINTENANCE PROCEDURES Maintenance of strains in liquid culture medium and long-term preservation in liquid nitrogen are carried out as described for the genus Chromatium. Thiospirillum species cannot be preserved by lyophilization.
MAINTENANCE PROCEDURES Maintenance of strains in liquid culture medium and long-term preservation in liquid nitrogen are carried out as described for the genus Chromatium. Thiospirillum species cannot be preserved by lyophilization.