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- adj. Describing a crystalline protein that forms around a spore in some bacteria that acts as a toxin precursor when digested
Sorry, no etymologies found.
When the ability to synthesize the parasporal crystal is lost, B. thuringiensis is indistinguishable from B. cereus.
Bacillus thuringiensis (BT) is a gram-positive, peritrichously flagellated rod-shaped bacterium which produces a parasporal crystal during sporulation.
Pearson D, Ward OP (1987) Purification or the parasporal crystals of
The phase-contrast microscopy revealed the presence of a parasporal inclusion in sporulating cells.