Spotted fever group Rickettsiae in ticks feeding on humans in Northwestern Spain -: Is Rickettsia conorii vanishing?

被引：38
|
作者：
Fernandez-Soto, Pedro
Perez-Sanchez, Ricardo
Alamo-Sanz, Rufino
Encinas-Grandes, Antonio
机构：
[1] Univ Salamanca, Fac Farm, Parasitol Lab, Salamanca 37007, Spain
[2] CSIC, IRNA, Dept Anat Patol, Salamanca 37007, Spain
[3] Consejeria San Junta Castilla & Leon, Direcc Gen Salud Publ, Valladolid 47011, Spain
来源：
CENTURY OF RICKETTSIOLOGY: EMERGING, REEMERGING RICKETTSIOSES, MOLECULAR DIAGNOSTICS, AND EMERGING VETERINARY RICKETTSIOSES | 2006年 / 1078卷
关键词：
Mediterranean spotted fever; Rickettsia conorii; R; slovaca; aeschlimannii; Castilla y Leon; Spain;
D O I：
10.1196/annals.1374.063
中图分类号：
R51 [传染病];
学科分类号：
100401 ;
摘要：
During a 7-year study, we identified and analyzed by PCR 4,049 ticks removed from 3,685 asymptomatic patients in Castilla v Leon (northwestern Spain). A total of 320 ticks (belonging to 10 species) were PCR-positive for rickettsiae. Comparison of amplicon sequences in databases enabled us to identify eigth different spotted fever group (SFG) rickettsiae: Rickettsia slovaca, Rickettsia sp. IRS3/IRS4, R. massiliae/Bar29, R. aeschlimannii, Rickettsia sp. RpA4/DnS14, R. helvetica, Rickettsia sp. DmS1, and R. conorii. Although Mediterranean spotted fever(MSF)is an endemic disease in Castilla y Leon, R. conorii was found in only one Rhipicephalus sanguineus tick, whereas other pathogenic SFG rickettsiae were much more prevalent in the same area. Our data suggest that in Castilla y Leon, many MSF or MSF-like cases attributed to R. conorii could have been actually caused by other SFG rickettsiae present in ticks biting people in this region of Spain.
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页码：331 / 333
页数：3
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