CHARACTERISTICS OF THE ELEMENTARY AND RETICULATE BODIES OF CHLAMYDIA

Table 2

ELEMENTARY BODY (EB)

RETICULATE BODY (RB)

Size 0.3 um Size 0.5 - 1.0 um
Ridgid Cell Wall Fragile cell wall
Resistant to sonication Sensetive to sonication
Resistant to tyrpsin Lysed by trypsin
Subunit in cell envelope No subunit in envelope
RNA-DNA content = 1.1 RNA-DNA content = 3.1
Toxic for mice Nontoxic for mice
Infectious Not infectious
Adapted for extracellular survival Adapted for intracellular growth
Permeable Nonpermeable
Hemagglutinin present Hemagglutinin absent
Induces endosytosis No endocytosis
Metabolically inactive Metabolically active

Back to Notes      

This page created with Netscape Navigator Gold