Prion sequence polymorphisms and chronic wasting disease resistance in Illinois white-tailed deer (Odocoileus virginianus).

Amy C. Kelly, Nohra E. Mateus-Pinilla, Jay Diffendorfer, Emily Jewell, Marilyn O. Ruiz, John Killefer, Paul Shelton, Tom Beissel, Jan Novakofski

Research output: Contribution to journalArticle

Abstract

Nucleic acid sequences of the prion gene (PRNP) were examined and genotypes compiled for 76 white-tailed deer from northern Illinois, which previously tested positive for chronic wasting disease (CWD), and 120 negative animals selected to control for geographic location and age. Nine nucleotide polymorphisms, seven silent and two coding, were found in the sampled population. All observed polymorphisms except two of very low frequency were observed in both negative and positive animals, although five polymorphic loci had significantly different distributions of alleles between infected and non-infected individuals. Nucleotide base changes 60C/T, 285A/C, 286G/A and 555C/T were observed with higher than expected frequencies in CWD negative animals suggesting disease resistance, while 153C/T was observed more than expected in positive animals, suggesting susceptibility. The two coding polymorphisms, 285A/C (Q95H) and 286G/A (G96S), have been described in white-tailed deer populations sampled in Colorado and Wisconsin. Frequency distributions of coding polymorphisms in Wisconsin and Illinois deer populations were different, an unexpected result considering the sampled areas are less than 150 km apart. The total number of polymorphisms per animal, silent or coding, was negatively correlated to disease status. The potential importance of silent polymorphisms (60C/T, 153C/T, 555C/T), either individually or cumulatively, in CWD disease status has not been previously reported.

Original languageEnglish (US)
Pages (from-to)28-36
Number of pages9
JournalPrion
Volume2
Issue number1
DOIs
StatePublished - Jan 2008

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Chronic Wasting Disease
Disease Resistance
Deer
Prions
Polymorphism
Animals
Nucleotides
Population
Geographic Locations
Animal Diseases
Nucleic acid sequences
Nucleic Acids
Alleles
Genotype
Genes

ASJC Scopus subject areas

  • Biochemistry
  • Cellular and Molecular Neuroscience
  • Cell Biology
  • Infectious Diseases

Cite this

Prion sequence polymorphisms and chronic wasting disease resistance in Illinois white-tailed deer (Odocoileus virginianus). / Kelly, Amy C.; Mateus-Pinilla, Nohra E.; Diffendorfer, Jay; Jewell, Emily; Ruiz, Marilyn O.; Killefer, John; Shelton, Paul; Beissel, Tom; Novakofski, Jan.

In: Prion, Vol. 2, No. 1, 01.2008, p. 28-36.

Research output: Contribution to journalArticle

Kelly, Amy C. ; Mateus-Pinilla, Nohra E. ; Diffendorfer, Jay ; Jewell, Emily ; Ruiz, Marilyn O. ; Killefer, John ; Shelton, Paul ; Beissel, Tom ; Novakofski, Jan. / Prion sequence polymorphisms and chronic wasting disease resistance in Illinois white-tailed deer (Odocoileus virginianus). In: Prion. 2008 ; Vol. 2, No. 1. pp. 28-36.
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