Fig. 1From: Screening and characterization of a non-insecticidal Bacillus thuringiensis strain producing parasporal protein with selective toxicity against human colon cancer cell linesPhase contrast view of B.t.LDC 501 parasporal inclusions. B.t.LDC 501 denotes a Bacillus thuringiensis strain (LDC 501) with parasporal inclusions that was isolated from the soil samples. S Spore, C Crystalline inclusionBack to article page