The role of deer in facilitating the spatial spread of the pathogen Borrelia burgdorferi

M Hartfield, Katrin A J White, Klaus Kurtenbach

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Borrelia burgdorferi is a vector-bourne zoonosis which propagates in wild populations of rodents and deer. The latter are incompetent for the pathogen but are required for the life cycle of hard-backed ticks which act as a vector for the pathogen. Increasing the diversity of hosts has previously suggested the presence of a 'dilution effect' in which such an increase reduces successful pathogen transmission as it increases the chance that a tick will encounter an incompetent host. This paper will produce a model which shows that whilst a dilution effect is possible for a system in which deer are the only incompetent host, this effect is not likely to be strong. Extending the population dynamics to include movement of deer into regions previously only inhabited by competent hosts, we find that, although ticks come in with the deer, there is a significant time lag before Borrelia appears.
Original languageEnglish
Pages (from-to)27-36
Number of pages10
JournalTheoretical Ecology
Volume4
Issue number1
DOIs
Publication statusPublished - Feb 2011

Fingerprint

deer
tick
pathogen
dilution
wild population
rodent
population dynamics
life cycle
effect

Keywords

  • compartment model
  • pathogen invasion
  • borrelia zoonosis
  • population diffusion
  • dilution effect

Cite this

The role of deer in facilitating the spatial spread of the pathogen Borrelia burgdorferi. / Hartfield, M; White, Katrin A J; Kurtenbach, Klaus.

In: Theoretical Ecology, Vol. 4, No. 1, 02.2011, p. 27-36.

Research output: Contribution to journalArticle

@article{f8fbe1b9fec7460a8eae662e92426eb5,
title = "The role of deer in facilitating the spatial spread of the pathogen Borrelia burgdorferi",
abstract = "Borrelia burgdorferi is a vector-bourne zoonosis which propagates in wild populations of rodents and deer. The latter are incompetent for the pathogen but are required for the life cycle of hard-backed ticks which act as a vector for the pathogen. Increasing the diversity of hosts has previously suggested the presence of a 'dilution effect' in which such an increase reduces successful pathogen transmission as it increases the chance that a tick will encounter an incompetent host. This paper will produce a model which shows that whilst a dilution effect is possible for a system in which deer are the only incompetent host, this effect is not likely to be strong. Extending the population dynamics to include movement of deer into regions previously only inhabited by competent hosts, we find that, although ticks come in with the deer, there is a significant time lag before Borrelia appears.",
keywords = "compartment model, pathogen invasion, borrelia zoonosis, population diffusion, dilution effect",
author = "M Hartfield and White, {Katrin A J} and Klaus Kurtenbach",
year = "2011",
month = "2",
doi = "10.1007/s12080-010-0072-2",
language = "English",
volume = "4",
pages = "27--36",
journal = "Theoretical Ecology",
issn = "1874-1738",
publisher = "Springer Netherlands",
number = "1",

}

TY - JOUR

T1 - The role of deer in facilitating the spatial spread of the pathogen Borrelia burgdorferi

AU - Hartfield, M

AU - White, Katrin A J

AU - Kurtenbach, Klaus

PY - 2011/2

Y1 - 2011/2

N2 - Borrelia burgdorferi is a vector-bourne zoonosis which propagates in wild populations of rodents and deer. The latter are incompetent for the pathogen but are required for the life cycle of hard-backed ticks which act as a vector for the pathogen. Increasing the diversity of hosts has previously suggested the presence of a 'dilution effect' in which such an increase reduces successful pathogen transmission as it increases the chance that a tick will encounter an incompetent host. This paper will produce a model which shows that whilst a dilution effect is possible for a system in which deer are the only incompetent host, this effect is not likely to be strong. Extending the population dynamics to include movement of deer into regions previously only inhabited by competent hosts, we find that, although ticks come in with the deer, there is a significant time lag before Borrelia appears.

AB - Borrelia burgdorferi is a vector-bourne zoonosis which propagates in wild populations of rodents and deer. The latter are incompetent for the pathogen but are required for the life cycle of hard-backed ticks which act as a vector for the pathogen. Increasing the diversity of hosts has previously suggested the presence of a 'dilution effect' in which such an increase reduces successful pathogen transmission as it increases the chance that a tick will encounter an incompetent host. This paper will produce a model which shows that whilst a dilution effect is possible for a system in which deer are the only incompetent host, this effect is not likely to be strong. Extending the population dynamics to include movement of deer into regions previously only inhabited by competent hosts, we find that, although ticks come in with the deer, there is a significant time lag before Borrelia appears.

KW - compartment model

KW - pathogen invasion

KW - borrelia zoonosis

KW - population diffusion

KW - dilution effect

UR - http://www.scopus.com/inward/record.url?scp=78751644473&partnerID=8YFLogxK

UR - http://dx.doi.org/10.1007/s12080-010-0072-2

U2 - 10.1007/s12080-010-0072-2

DO - 10.1007/s12080-010-0072-2

M3 - Article

VL - 4

SP - 27

EP - 36

JO - Theoretical Ecology

JF - Theoretical Ecology

SN - 1874-1738

IS - 1

ER -