Toll-like receptor (TLR) diversity influences mycobacterial growth in African buffalo. le Roex, N., Jolles, A., Beechler, B., van Helden, P., & Hoal, E. Tuberculosis (Edinburgh, Scotland), 104:87–94, May, 2017. 00000 doi abstract bibtex Understanding the role of wildlife in the maintenance or spread of emerging infectious diseases is a growing priority across the world. Bovine tuberculosis (BTB) is a chronic, infectious disease caused by Mycobacterium bovis (M. bovis). BTB is widespread within game reserves in southern Africa, and within these ecosystems the primary wildlife host of this disease is the African buffalo. We used a modified bacterial killing assay for mycobacteria to investigate the effect of Toll-like receptor (TLR) genetic diversity and demographic parameters on the ability of African buffalo to restrict mycobacterial growth. Eosinophil count, time delay, bovine PPD response and avian PPD response were negatively correlated with mycobacterial growth. TLR6 diversity and the interaction of age group and sex were positively correlated with mycobacterial growth. Our results suggest that both demographic and individual immune parameters influence the ability to control mycobacterial infection in African buffalo. TLR6 diversity is particularly interesting as this locus has also shown associations with BTB in cattle, suggesting that further research into the effects, selection and role of TLR6 variants in bovine tuberculosis will be productive.
@article{le_roex_toll-like_2017,
title = {Toll-like receptor ({TLR}) diversity influences mycobacterial growth in {African} buffalo},
volume = {104},
issn = {1873-281X},
doi = {10.1016/j.tube.2017.03.009},
abstract = {Understanding the role of wildlife in the maintenance or spread of emerging infectious diseases is a growing priority across the world. Bovine tuberculosis (BTB) is a chronic, infectious disease caused by Mycobacterium bovis (M. bovis). BTB is widespread within game reserves in southern Africa, and within these ecosystems the primary wildlife host of this disease is the African buffalo. We used a modified bacterial killing assay for mycobacteria to investigate the effect of Toll-like receptor (TLR) genetic diversity and demographic parameters on the ability of African buffalo to restrict mycobacterial growth. Eosinophil count, time delay, bovine PPD response and avian PPD response were negatively correlated with mycobacterial growth. TLR6 diversity and the interaction of age group and sex were positively correlated with mycobacterial growth. Our results suggest that both demographic and individual immune parameters influence the ability to control mycobacterial infection in African buffalo. TLR6 diversity is particularly interesting as this locus has also shown associations with BTB in cattle, suggesting that further research into the effects, selection and role of TLR6 variants in bovine tuberculosis will be productive.},
language = {eng},
journal = {Tuberculosis (Edinburgh, Scotland)},
author = {le Roex, Nikki and Jolles, Anna and Beechler, Brianna and van Helden, Paul and Hoal, Eileen},
month = may,
year = {2017},
pmid = {28454655},
note = {00000 },
keywords = {Bacterial killing, Bovine tuberculosis, Buffalo, Genetic, Immunity, Toll-like receptor},
pages = {87--94},
}
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