Roles of parasites in animal invasions

Prenter, John; MacNeil, Calum; Dick, Jaimie T. A.; Dunn, Alison M.

doi:10.1016/j.tree.2004.05.002

Cited by 450 publications

(437 citation statements)

References 69 publications

Supporting

Mentioning

413

Contrasting

Unclassified

Order By: Relevance

“…Bromley et al 2016). Biological invasions can include both hosts and their parasites and have been widely recognised as potential major threats to marine biodiversity and in some cases, this has caused significant economic losses (Pimentel et al 2001; Prenter et al 2004). Euendoliths carried along with their hosts can either themselves infest the local mollusc populations that have not yet developed a resistance or interact with other microborers that were originally non-pathogenic.…”

Section: Effects Of the Environment On Diseases Of Corals And Molluscsmentioning

confidence: 99%

“…Recently, facultative parasites have been implicated as key factors in the effects of invasions on species composition in marine ecosystems (Prenter et al 2004). Four possibilities arise here.…”

Section: Effects Of the Environment On Diseases Of Corals And Molluscsmentioning

confidence: 99%

“…Four possibilities arise here. The decline in population sizes of commercially important species can be caused by (1) replacement by an invader which is better adapted to environmental conditions, (2) the spread of a newly emerging disease, (3) changes in environmental conditions or (4) a combination of these three factors (Prenter et al 2004). …”

Section: Effects Of the Environment On Diseases Of Corals And Molluscsmentioning

confidence: 99%

See 2 more Smart Citations

The roles of endolithic fungi in bioerosion and disease in marine ecosystems. II. Potential facultatively parasitic anamorphic ascomycetes can cause disease in corals and molluscs

et al. 2017

View full text Add to dashboard Cite

Anamorphic ascomycetes have been implicated as causative agents of diseases in tissues and skeletons of hard corals, in tissues of soft corals (sea fans) and in tissues and shells of molluscs. Opportunist marine fungal pathogens, such as Aspergillus sydowii, are important components of marine mycoplankton and are ubiquitous in the open oceans, intertidal zones and marine sediments. These fungi can cause infection in or at least can be associated with animals which live in these ecosystems. A. sydowii can produce toxins which inhibit photosynthesis in and the growth of coral zooxanthellae. The prevalence of many documented infections has increased in frequency and severity in recent decades with the changing impacts of physical and chemical factors, such as temperature, acidity and eutrophication. Changes in these factors are thought to cause significant loss of biodiversity in marine ecosystems on a global scale in general, and especially in coral reefs and shallow bays.

show abstract

Section: Effects Of the Environment On Diseases Of Corals And Molluscsmentioning

confidence: 99%

Section: Effects Of the Environment On Diseases Of Corals And Molluscsmentioning

confidence: 99%

Section: Effects Of the Environment On Diseases Of Corals And Molluscsmentioning

confidence: 99%

See 1 more Smart Citation

The roles of endolithic fungi in bioerosion and disease in marine ecosystems. II. Potential facultatively parasitic anamorphic ascomycetes can cause disease in corals and molluscs

et al. 2017

View full text Add to dashboard Cite

show abstract

“…Cooperation with neighbouring countries should be encouraged to concentrate control actions. Policy papers on invasive alien species often do not specifically refer to parasites or specify their effects, despite numerous documented examples with dramatic impacts [66, 67]. …”

Section: Control Of Alien Parasite Speciesmentioning

confidence: 99%

Wherefrom and whereabouts of an alien: the American liver fluke Fascioloides magna in Austria: an overview

Sattmann

Hörweg

Gaub

et al. 2014

Wien Klin Wochenschr

View full text Add to dashboard Cite

SummaryThe giant liver fluke Fascioloides magna, an invasive species originating from North America, was recorded in Austria in the wild for the first time in 2000. Since then, various data concerning the epidemiology in snail intermediate hosts and cervid final hosts have been reported. Galba truncatula acts as snail intermediate host, and red deer, roe deer and fallow deer act as final hosts. G. truncatula is abundant throughout the region, especially along muddy shores of slow-flowing branches of the river system. Prevalence in deer (20–100 %) is much higher than in snails (0.03–0.2 %). Despite medical treatment of parts of the deer population, the parasite has successfully established itself on both sides of the Danube floodplain environments southeast of Vienna. Genetic analysis revealed that the infection of Austrian deer populations apparently originated from foci in the Czech Republic or from populations of Danube tributaries. Areas adjacent southwards, which will soon be joined through wildlife crossings, have not yet evidenced F. magna. Nonetheless, these environments are inhabited by host snails and deer and therefore constitute suitable habitats for F. magna. Invading alien parasites not only threaten native individual hosts but also influence host populations, thus potentially also modifying parasite communities and interactions. The host range of F. magna includes a variety of potential hosts, notably other Lymnaeidae as potential intermediate hosts and various ungulates, including sheep and cattle, as final hosts. Because eradication after medical treatment was unsuccessful, and due to the risk of further spread of the parasite into unaffected regions, enhanced control strategies need to be developed. We recommend assessment of introduction pathways and dispersal, continuous monitoring of host abundance and distribution and the prevalence of flukes in intermediate and final hosts, as well as coordinated and concerted actions with neighbouring countries. This strategy could help to reduce potential negative impacts of this and other invasive parasites on host populations in Europe.

show abstract

“…Furthermore, from an applied perspective, parasites may threaten native biodiversity by affecting the dynamics of interspecific competition and therefore facilitate ecological invasions (Bedhomme et al, 2005;Prenter et al, 2004;Torchin et al, 2002). For example, it is thought that parasite-mediated apparent competition played a role in the ecological displacement of native red squirrels by grey squirrels in England (Tompkins et al, 2003).…”

Section: Introductionmentioning

confidence: 99%

The unavoidable costs and unexpected benefits of parasitism: Population and metapopulation models of parasite-mediated competition

Kuo

Corby‐Harris

Promislow

2008

Journal of Theoretical Biology

View full text Add to dashboard Cite

When faced with limited resources, organisms have to determine how to allocate their resources to maximize fitness. In the presence of parasites, hosts may be selected for their ability to balance between the two competing needs of reproduction and immunity. These decisions can have consequences not only for host fitness, but also for the ability of parasites to persist within the population, and for the competitive dynamics between different host species. We develop two mathematical models to investigate how resource allocation strategies evolve at both population and metapopulation levels. The evolutionarily stable strategy (ESS) at the population level is a balanced investment between reproduction and immunity that maintains parasites, even though the host has the capacity to eliminate parasites. The host exhibiting the ESS can always invade other host populations through parasite-mediated competition, effectively using the parasites as biological weapons. At the metapopulation level, the dominant strategy is sometimes different from the population-level ESS, and depends on the ratio of local extinction rate to host colonization rate. This study may help to explain why parasites are as common as they are, and can serve as a modeling framework for investigating parasite-mediated ecological invasions. Furthermore, this work highlights the possibility that the 'introduction of enemies' process may facilitate species invasion.

show abstract

Roles of parasites in animal invasions

Cited by 450 publications

References 69 publications

The roles of endolithic fungi in bioerosion and disease in marine ecosystems. II. Potential facultatively parasitic anamorphic ascomycetes can cause disease in corals and molluscs

The roles of endolithic fungi in bioerosion and disease in marine ecosystems. II. Potential facultatively parasitic anamorphic ascomycetes can cause disease in corals and molluscs

Wherefrom and whereabouts of an alien: the American liver fluke Fascioloides magna in Austria: an overview

The unavoidable costs and unexpected benefits of parasitism: Population and metapopulation models of parasite-mediated competition

Contact Info

Product

Resources

About