1921
Volume 34, Issue 5
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645
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Abstract

Abstract

To determine the significance of the western black-legged tick, , as a vector of the Lyme disease spirochete, , a tick/spirochete survey was conducted in northern California and southwestern Oregon from 1982 to 1984. Of 1,687 adult ticks collected off vegetation, 25 (1.48%) contained spirochetes. Of 715 ticks from Oregon, 14 (1.96%) were infected whereas 11 (1.13%) of 972 ticks from California harbored spirochetes

An isolate of 1 of the spirochetes reacted specifically when treated with monoclonal antibodies to . Polyacrylamide gel electrophoresis of a lysate of the isolate showed it to be nearly identical with 2 isolates of

Of the 25 infected , 17 had spirochetes in their midgut only; the remaining 8 ticks showed a generalized infection of all the tissues, with midgut, central ganglion and ovary or testes showing heavy spirochetal infections. Decreased immunofluorescent staining reactivity of spirochetes in tissues other than midgut in 6 of 8 with generalized infection may reflect adverse physiologic conditions for the development of spirochetes in the hemocele.

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/content/journals/10.4269/ajtmh.1985.34.925
1985-09-01
2017-11-18
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http://instance.metastore.ingenta.com/content/journals/10.4269/ajtmh.1985.34.925
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  • Accepted : 20 May 1985

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