globalchange  > 气候减缓与适应
DOI: 10.1111/ele.12829
Scopus记录号: 2-s2.0-85028890707
论文题名:
Age-specific infectious period shapes dynamics of pneumonia in bighorn sheep
作者: Plowright R.K.; Manlove K.R.; Besser T.E.; Páez D.J.; Andrews K.R.; Matthews P.E.; Waits L.P.; Hudson P.J.; Cassirer E.F.
刊名: Ecology Letters
ISSN: 1461023X
EISSN: 1461-0248
出版年: 2017
卷: 20, 期:10
起始页码: 1325
结束页码: 1336
语种: 英语
英文关键词: bighorn sheep ; disease dynamics ; feedback mechanism ; Mycoplasma ovipneumoniae ; pathogen persistence ; persistent carriage ; pneumonia ; supershedder ; superspreader ; wildlife health
Scopus关键词: Mycoplasma ovipneumoniae ; Ovis canadensis ; animal ; bighorn sheep ; Mycoplasma ovipneumoniae ; Mycoplasma pneumonia ; pneumonia ; sheep ; sheep disease ; veterinary ; wild animal ; Animals ; Animals, Wild ; Mycoplasma ovipneumoniae ; Pneumonia ; Pneumonia, Mycoplasma ; Sheep ; Sheep Diseases ; Sheep, Bighorn
英文摘要: Superspreading, the phenomenon where a small proportion of individuals contribute disproportionately to new infections, has profound effects on disease dynamics. Superspreading can arise through variation in contacts, infectiousness or infectious periods. The latter has received little attention, yet it drives the dynamics of many diseases of critical public health, livestock health and conservation concern. Here, we present rare evidence of variation in infectious periods underlying a superspreading phenomenon in a free-ranging wildlife system. We detected persistent infections of Mycoplasma ovipneumoniae, the primary causative agent of pneumonia in bighorn sheep (Ovis canadensis), in a small number of older individuals that were homozygous at an immunologically relevant genetic locus. Interactions among age-structure, genetic composition and infectious periods may drive feedbacks in disease dynamics that determine the magnitude of population response to infection. Accordingly, variation in initial conditions may explain divergent population responses to infection that range from recovery to catastrophic decline and extirpation. © 2017 John Wiley & Sons Ltd/CNRS
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/107557
Appears in Collections:气候减缓与适应

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作者单位: Department of Microbiology and Immunology, Montana State University, 109 Lewis Hall, Bozeman, MT, United States; Department of Veterinary Microbiology and Pathology, Washington State University, Pullman, WA, United States; Department of Fish and Wildlife Sciences, University of Idaho, 875 Perimeter Drive MS 1136, Moscow, ID, United States; Oregon Department of Fish and Wildlife, 65495 Alder Slope Road, Enterprise, OR, United States; Center for Infectious Disease Dynamics, Pennsylvania State University, 201, Life Sciences Building, University Park, PA, United States; Idaho Department of Fish and Game, 3316 16th Street, Lewiston, ID, United States

Recommended Citation:
Plowright R.K.,Manlove K.R.,Besser T.E.,et al. Age-specific infectious period shapes dynamics of pneumonia in bighorn sheep[J]. Ecology Letters,2017-01-01,20(10)
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