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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
biochemistry, genetics and molecular biology
Construction of Onchocerca volvulus cDNA libraries and partial characterization of the cDNA for a major antigen
Molecular and Biochemical Parasitology, Volume 31, No. 3, Year 1988
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Description
Adult Onchocerca volvulus were isolated from nodules removed from onchocerciasis patients at four locations - two in the West African Sudan-savanna region (near Bamako, Mali, and Touboro, Cameroon), one in a West African forest region (Kumba, Cameroon) and one near Guatemala City, Guatemala. Four different cDNA expression libraries were constructed in bacteriophage λgt11 using poly(A)+ RNA from the adult female worms. Individual cDNA clones of single copy genes were used to compare the genomes of parasites from the different locales and to show that the haploid genome of O. volvulus is 1.5 × 108 base pairs. About 1 in 700 recombinant clones in each of the four amplified cDNA libraries produces a fusion protein recognized by pooled human anti-O. volvulus antisera. Partial sequence determination of a 2.0 kb cDNA clone for an O. volvulus protein that induces an immunodominant response in rabbits revealed that this antigen has sequence similarities with Caenorhabditis elegans myosin and with schistosome paramyosin (which confers partial protection against schistosome infection). The four cDNA libraries have been deposited with American Type Culture Collection (ATCC), 12301 Parklawn Drive, Rockville, MD 20852, U.S.A., for general distribution under ATCC Number 37509. © 1988.
Authors & Co-Authors
Donelson, John E.
United States, Iowa City
University of Iowa
Duke, Brian O.L.P.J.
United States, Arlington
United States Department of Defense
Lucius, Richard
Germany, Heidelberg
Universität Heidelberg
Renz, Alfons H.J.
Germany, Tubingen
Eberhard Karls Universität Tübingen
Karam, Marc
Unknown Affiliation
Statistics
Citations: 78
Authors: 5
Affiliations: 4
Identifiers
Doi:
10.1016/0166-6851(88)90154-5
ISSN:
01666851
Research Areas
Genetics And Genomics
Infectious Diseases
Study Locations
Cameroon
Mali
Sudan
Participants Gender
Female