| molecular detection of anaplasma phagocytophilum in ixodid ticks in hebei province, china. | a total of 3696 ixodid ticks, collected from hebei province, china, were examined by a nested polymerase chain reaction for the presence of anaplasma phagocytophilum. forty-three (15.4%) of 280 pools tested, including 39 (14.6%) of 267 haemaphysalis longicornis and four (30.8%) of 13 dermacentor nuttalli, were positive, but no significant difference was found between d. nuttalli and h. longicornis (p>0.05). sequence and phylogenetic analyses of 16s rrna gene indicated that a. phagocytophilum in ... | 2011 | 21923254 |