Table 1 Histological and microcell PCR results obtained for Donax trunculus samples for each location and year included in the present study
Year | 2010 | 2011 | 2008 | ||||
|---|---|---|---|---|---|---|---|
Area | Quiberon | Oléron | Audierne | Audierne | Douarnenez | Quiberon | |
Sample reference | 10_138 | 10_143 | 10_171 | 11_089 | 11_118 | 08_131 | |
No. of individuals analysed | 14 | 15 | 15 | 30 | 30 | 43 | |
Histology, n (%) infected individuals | Microcell parasites | 6 (42.9) | 12 (80.0) | 2 (13.3) | 22 (73.3) | 20 (66.7) | 14 (32.6) |
Coccidia-like | 0 | 7 (46.7) | 0 | 7 (23.3) | 22 (73.3) | 9 (21.0) | |
Rickettsia-like | 0 | 5 (33.3) | 7 (46.7) | 4 (13.3) | 2 (6.7) | 3 (7.0) | |
Gregarine spores | 3 (21.4) | 8 (53.3) | 13 (86.7) | 18 (60.0) | 25 (83.3) | 17 (39.6) | |
Trematodes | 0 | 0 | 0 | 0 | 6 (20.0) | 1 (2.3) | |
PCR for microcell detection, n (%) infected individuals | Bo primers | 0 | 0 | 0 | 0 | 0 | 0 |
MM primers | 0 | 0 | 0 | 5 (13.7) | 0 | 0 | |
MM-like primers | 0 | 0 | 0 | nd | nd | nd | |
Msp primers | 7 (50.0) | 6 (40.0) | 3 (20.0) | 20 (66.7) | 24 (80.0) | 6 (13.9) | |