smooth colony

Smooth colonies with an entire margin are seen less frequently.

Smooth colonies, with bright yellow pigmentation 1-2mm in diameter.

Nonpigmented and rough to smooth colonies.

Bright yellow pigmented, scotochromogenic and rough or smooth colonies on Löwenstein-Jensen medium.

The M. canettii clade-which includes Mycobacterium prototuberculosis-are a group of smooth colony Mycobacterium species.

Pneumococcus is characterized by smooth colonies and has a polysaccharide capsule that induces antibody formation; the different types are classified according to their immunological specificity.