Table 2. Multivariate analysis of the effect of sex and life stage on the relatedness of Amblyomma americanum bacterial communities.
PERMANOVA | Dispersion Test | ||||||
Collection | Distance Metric | Metric Type | F | R2 | p * | F | p * |
Georgia | Jaccard | Community composition | 17.3 | 0.255 | 0.0020 | 12.5 | 0.0020 |
Georgia | Bray-Curtis | Community structure | 24.9 | 0.330 | 0.0020 | 8.77 | 0.0020 |
Archival | Jaccard | Community composition | 1.63 | 0.0611 | 0.026 | 0.533 | 0.96 |
Archival | Bray-Curtis | Community structure | 8.28 | 0.249 | 0.0020 | 0.345 | 0.96 |
Tick DNAs from the archival collection (n = 27) were older, collected in a different geographical region, and processed using different protocols than tick DNAs from the Georgia collection (n = 104).
*Corrected for multiple comparisons using Holm’s method; α = 0.05.