A Focus of Dogs and Rickettsia massiliae-Infected Rhipicephalus sanguineus in California

被引：59

作者：

Beeler, Emily ^{[2
]}

Abramowicz, Kyle F. ^{[1
]}

Zambrano, Maria L. ^{[1
]}

Sturgeon, Michele M. ^{[1
]}

Khalaf, Nada ^{[4
]}

Hu, Renjie ^{[3
]}

Dasch, Gregory A. ^{[1
]}

Eremeeva, Marina E. ^{[1
]}

机构：

[1] Ctr Dis Control & Prevent, Rickettsial Zoonoses Branch, Natl Ctr Emerging & Zoonot Infect Dis, Atlanta, GA 30333 USA

[2] Los Angeles Cty Dept Publ Hlth, Vet Publ Hlth & Rabies Control Program, Los Angeles, CA USA

[3] Ctr Infect Dis, Vector Borne Dis Sect, Calif Dept Publ Hlth, Ontario, CA USA

[4] VCA McClave Anim Hosp, Reseda, CA USA

来源：

AMERICAN JOURNAL OF TROPICAL MEDICINE AND HYGIENE | 2011年 / 84卷 / 02期

关键词：

FEVER GROUP RICKETTSIAE; MOUNTAIN-SPOTTED-FEVER; HUMAN PARASITISM; TICKS; IDENTIFICATION; ACARI; AESCHLIMANNII; HUMANS; STRAIN;

D O I：

10.4269/ajtmh.2011.10-0355

中图分类号：

R1 [预防医学、卫生学];

学科分类号：

1004 ; 120402 ;

摘要：

A recurrent focus of Rhipicephalus sanguineus infestation was investigated in a suburban area of southern California after reports of suspected Rocky Mountain spotted fever in two dogs on the same property. Abundant quantities of Rh. sanguineus were collected on the property and repeatedly from each dog, and Rickettsia massiliae DNA was detected by polymerase chain reaction (PCR). Whole blood and serum samples from four dogs were tested by using PCR and microimmunofluorescent assay for antibodies against spotted fever group rickettsiae. Serum samples from all four dogs contained antibodies reactive with R. massiliae, R. rhipicephali, R. rickettsii, and 364D Rickettsia but no rickettsial DNA was detected by PCR of blood samples. Serum cross-absorption and Western blot assays implicated R. massiliae as the most likely spotted fever group rickettsiae responsible for seropositivity. To our knowledge, this is the first detection of R. massiliae in ticks in California.

引用

页码：244 / 249

页数：6

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