novel evidence suggests that a 'rickettsia felis-like' organism is an endosymbiont of the desert flea, xenopsylla ramesis.fleas are acknowledged vectors and reservoirs of various bacteria that present a wide range of pathogenicity. in this study, fleas collected from wild rodents from the negev desert in southern israel were tested for rickettsiadna by targeting the 16s rrna (rrs) gene. thirty-eight xenopsylla ramesis, 91 synosternus cleopatrae and 15 leptopsylla flea pools (a total of 568 fleas) were screened. rickettsiadna was detected in 100% of the x. ramesis and in one s. cleopatrae flea pools. none of l. algi ...201525677805
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