Genetic variation at the TNF-α promoter and malaria susceptibility in rhesus (Macaca mulatta) and long-tailed (Macaca fascicularis) macaques

Shannon Flynn, Jessica Satkoski, Nicholas Lerche, Sreetharan Kanthaswamy, David Glenn Smith

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Polymorphisms within the promoter region of the TNF-α gene have been associated with altered expression of TNF-α and susceptibility to a variety of diseases in humans. Although macaques (Macaca spp.) are frequently used as models to study human diseases, little is known about the extent of genetic variation at the TNF-α locus and its consequences for disease susceptibility in these species. The TNF-α promoter region was sequenced in a sample of 40 macaques including five M. mulatta of Chinese and Indian ancestry and 35 M. fascicularis of Malaysian, Mauritian, Indonesian, and Philippine ancestry. These groups were chosen because they exhibit differences in their susceptibilities to severe malaria upon infection with Plasmodium parasites. Sequence analysis revealed a total of 14 single nucleotide polymorphisms (SNPs), five of which are newly described, and 20 unique haplotypes. In addition, the TFSEARCH program was used to investigate the potential of these polymorphisms to influence transcription factor binding. While both species exhibited a similarly high degree of genetic variability at the TNF-α promoter, AMOVA analysis and FST values indicated that most of the variation is shared between species and among populations. However, two of the most common haplotypes, describing 31.7% of the observed variation, and three potentially functional polymorphisms at positions -781, -535, and -10, were exclusive to M. fascicularis. Polymorphisms in the human ortholog of the TNF-α promoter which are known to be associated with malaria susceptibility in humans were not shared with macaques.

Original languageEnglish (US)
Pages (from-to)769-777
Number of pages9
JournalInfection, Genetics and Evolution
Volume9
Issue number5
DOIs
StatePublished - Sep 2009
Externally publishedYes

Fingerprint

Macaca fascicularis
malaria
Macaca
Macaca mulatta
Malaria
genetic variation
polymorphism
promoter regions
genetic polymorphism
human diseases
Genetic Promoter Regions
Haplotypes
haplotypes
ancestry
Philippines
Disease Susceptibility
Plasmodium
Cerebral Palsy
single nucleotide polymorphism
Single Nucleotide Polymorphism

Keywords

  • Macaques
  • Malaria
  • Polymorphisms
  • Promoter
  • Tumor necrosis factor-alpha

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Genetics
  • Molecular Biology
  • Microbiology
  • Infectious Diseases
  • Microbiology (medical)

Cite this

Genetic variation at the TNF-α promoter and malaria susceptibility in rhesus (Macaca mulatta) and long-tailed (Macaca fascicularis) macaques. / Flynn, Shannon; Satkoski, Jessica; Lerche, Nicholas; Kanthaswamy, Sreetharan; Smith, David Glenn.

In: Infection, Genetics and Evolution, Vol. 9, No. 5, 09.2009, p. 769-777.

Research output: Contribution to journalArticle

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