Ward's® Live Serratia marcescens Cultures: Strain 933 and Strain WCF

Both of these strains of Serratia marcescens are colorless mutants when plated alone, but when grown together, they produce a red pigment.

• Biosafety Level: 1
• Canada: Containment Level 2 - PHAC Licence required
• Motility: Positive
• Morphology: Rods
• Gram Reaction: Negative
• Respiration: Aerobic

All microbial cultures undergo an extensive quality control program prior to releasing for sale, so they are guaranteed for purity as well as for species.

These organisms are offered as ready-to-use tube cultures, as well as in freeze-dried cultures for longer storage. Freeze-dried organisms come with everything you need to rehydrate and culture the organism when you're ready.

Ward’s Science is not affiliated with the American Type Culture Collection and does not provide ATCC numbers for our organisms.

Ordering information: Microbial and fungal cultures are restricted and can only be ordered by educational professionals.

These products contain living or perishable materials and will ship via overnight or second day delivery. Please specify a delivery date during checkout

Caution: While this organism is non-pathogenic, Ward’s recommends that you utilize proper aseptic technique when handling all microorganisms.