TABLE 2.

Genetic diversity at the vlsE locus of spirochetes isolated from culture, tick stages, and micea

Stage(s)No. of clones testedNo. of RFLP typesbDiversity indexcMean (SD)
B31C-15210
1st Mouse2490.78
Larvae
    1960.830.84 (0.04)
    2950.81
    31060.89
Unfed
    110100.41 (0.36)
    21430.27
    32050.72
Fed
    11960.780.76 (0.07)
    22060.67
    32960.82
2nd Mouse1950.76
  • a There is no significant difference in diversity between tick stages and between mouse and tick stages (ANOVA followed by Tukey-Kramer HSD; P < 0.05).

  • b Number of distinct RFLP types observed in the clones tested.

  • c SID was calculated as described in the text.