Salivary gland extract from engorged Ixodes ricinus
(Acari: Ixodidae) stimulates,in vitro growth of Borrelia
burgdorferi sensu lato.

J Basic Microbiol. 2010 Feb 8; [Epub ahead of print]

Salivary gland extract from engorged Ixodes ricinus (Acari:
Ixodidae) stimulates in vitro growth of Borrelia burgdorferi
sensu lato.

Rudolf I, Sikutova S, Kopecky J, Hubalek Z.

Medical Zoology Laboratory, Institute of Vertebrate Biology,
v.v.i., Academy of Sciences of the Czech Republic, Brno, Czech
Republic.

In vitro effect of salivary gland extract from fed Ixodes
ricinus, the competent vector of Lyme borreliosis in Europe, on
the growth of Borrelia burgdorferi sensu lato (B. garinii, B.
afzelii and B. burgdorferi sensu stricto) was examined in BSK-H
medium. Motility rate, concentration of motile spirochetes and
their morphology were estimated at intervals of 0, 2, 4, 6 and 8
days using darkfield microscopy. Salivary gland extract derived
from I. ricinus stimulated markedly the growth of three genomic
species of borreliae. The results confirm a substantial role of
salivary glands in the mechanism of pathogen transmission to
vertebrate host. ((c) 2010 WILEY-VCH Verlag GmbH & Co. KGaA,
Weinheim).

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PMID: 20143350 [PubMed - as supplied by publisher]