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  • 1
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    Coevolution of plants and their pathogens in natural habitats (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-05-09
    Description: Understanding of plant-pathogen coevolution in natural systems continues to develop as new theories at the population and species level are increasingly informed by studies unraveling the molecular basis of interactions between individual plants and their pathogens. The next challenge lies in further integration of these approaches to develop a comprehensive picture of how life history traits of both players interact with the environment to shape evolutionary trajectories.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2689373/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2689373/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Burdon, Jeremy J -- Thrall, Peter H -- R01 GM074265-01A2/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2009 May 8;324(5928):755-6. doi: 10.1126/science.1171663.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Commonwealth Scientific and Industrial Research Organization (CSIRO)-Plant Industry, Post Office Box 1600, Canberra, ACT 2601, Australia. Jeremy.Burdon@csiro.au〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19423818" target="_blank"〉PubMed〈/a〉
    Keywords: *Biological Evolution ; *Ecosystem ; Fungal Proteins/genetics/metabolism ; Fungi/genetics/*pathogenicity/physiology ; *Host-Pathogen Interactions ; Immunity, Innate ; Plant Diseases/immunology/*microbiology ; Plant Proteins/genetics/metabolism ; Plants/genetics/immunology/metabolism/*microbiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Evolution of virulence in a plant host-pathogen metapopulation (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-03-15
    Description: In a wild plant-pathogen system, host resistance and pathogen virulence varied markedly among local populations. Broadly virulent pathogens occurred more frequently in highly resistant host populations, whereas avirulent pathogens dominated susceptible populations. Experimental inoculations indicated a negative trade-off between spore production and virulence. The nonrandom spatial distribution of pathogens, maintained through time despite high pathogen mobility, implies that selection favors virulent strains of Melampsora lini in resistant Linum marginale populations and avirulent strains in susceptible populations. These results are consistent with gene-for-gene models of host-pathogen coevolution that require trade-offs to prevent pathogen virulence increasing until host resistance becomes selectively neutral.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Thrall, Peter H -- Burdon, Jeremy J -- New York, N.Y. -- Science. 2003 Mar 14;299(5613):1735-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Commonwealth Scientific and Industrial Research Organization (CSIRO)-Plant Industry, Centre for Plant Biodiversity Research, General Post Office Box 1600, Canberra, ACT 2601, Australia. Peter.Thrall@csiro.au〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12637745" target="_blank"〉PubMed〈/a〉
    Keywords: Basidiomycota/genetics/*pathogenicity/physiology ; *Biological Evolution ; Flax/genetics/*microbiology/physiology ; Genes, Fungal ; Genes, Plant ; *Genetic Variation ; Models, Genetic ; Plant Diseases/*microbiology ; Selection, Genetic ; Spores, Fungal ; Virulence/*genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 3
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    Agriculture. Right-sizing stem-rust research (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-04-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pardey, P G -- Beddow, J M -- Kriticos, D J -- Hurley, T M -- Park, R F -- Duveiller, E -- Sutherst, R W -- Burdon, J J -- Hodson, D -- New York, N.Y. -- Science. 2013 Apr 12;340(6129):147-8. doi: 10.1126/science.122970.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉International Science and Technology Practice and Policy Center, Department of Applied Economics, University of Minnesota, St. Paul, MN 55108, USA. ppardey@umn.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23580514" target="_blank"〉PubMed〈/a〉
    Keywords: *Basidiomycota ; *Crops, Agricultural/economics/microbiology/supply & distribution ; Disease Resistance ; *Plant Diseases/economics/microbiology ; *Research/economics ; Risk Assessment ; *Triticum/microbiology/supply & distribution
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 4
    Electronic Resource
    Electronic Resource
    The Structure of Pathogen Populations in Natural Plant Communities (1993)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Phytopathology 31 (1993), S. 305-323 
    Details
    ISSN: 0066-4286
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.py.31.090193.001513
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Host Density as a Factor in Plant Disease Ecology (1982)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Phytopathology 20 (1982), S. 143-166 
    Details
    ISSN: 0066-4286
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.py.20.090182.001043
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  • 6
    Electronic Resource
    Electronic Resource
    Pattern and Patchiness in Plant-Pathogen Interactions--Causes and Consequences (1989)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Ecology, Evolution, and Systematics 20 (1989), S. 119-136 
    Details
    ISSN: 0066-4162
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.es.20.110189.001003
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  • 7
    Electronic Resource
    Electronic Resource
    A new variant of Puccinia striiformis causing stripe rust on barley and wild Hordeum species in Australia (2000)
    Oxford, UK : Blackwell Science Ltd
    Plant pathology 49 (2000), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-3059.2000.00506.x
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  • 8
    Electronic Resource
    Electronic Resource
    Influence of spatial structure on pathogen colonization and extinction: a test using an experimental metapopulation (2003)
    Oxford, UK : Blackwell Science Ltd
    Plant pathology 52 (2003), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: The Linum marginale–Melampsora lini plant–pathogen interaction has been studied extensively with regard to its epidemiology and population genetic structure (host resistance and pathogen virulence) in a natural metapopulation. In this study, this system was used in an experimental metapopulation approach to investigate explicitly how the distance (degree of isolation) between local population patches influences disease dynamics within a growing season, as well as the genetic structure of pathogen populations through stochastic colonization and extinction processes. The experimental design centred on four replicate sets of populations, within which patches were spaced at increasingly greater distances apart. Each patch consisted of an identical set of host and pathogen genotypes, with each pathogen genotype having the ability to attack only one of four host-resistance types. Over the 2 years of the experiment, the results showed clear ‘boom-and-bust’ epidemic patterns, with the strongest determinant of disease dynamics within a growing season being the identity of particular host–pathogen genotypic combinations. However, there were also significant effects of spatial structure, in that more isolated patches tended to exhibit lower levels of disease during epidemic peaks than patches that were close together. Extinction of pathogen genotypes from individual populations was positively related to the severity of disease during preceding epidemic peaks, but negatively related to the level of disease present at the final census prior to overwintering. The probability of recolonization of pathotypes into populations during the second growing season was most strongly related to the distance to the nearest neighbouring source population in which a given pathotype was present. Overall, these results highlight the importance of spatial scale in influencing the numerical and genetical dynamics of pathogen populations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-3059.2003.00863.x
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  • 9
    Electronic Resource
    Electronic Resource
    Selective sieves in the epidemiology of Melampsora lini (1996)
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 45 (1996), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: The effects of various potential selective sieves operating at different stages in the epidemiological cycle of pathogen populations were examined in the context of a natural interaction between Melampsora lini and Linum marginale The establishment of self-sustaining pathogen populations in previously healthy host stands was significantly lowered only when the size of host populations was extremely low (1-3 plants). During the endemic phase of growth when interpustule competition was non-existent, differences in the latent period or size of individual pustules of 10 different pathogen isolates were minor compared to differences due to temperature. A competition experiment between two pathotypes of M. lini detected a marked shift in the relative frequency of the two pathotypes during the course of an epidemic lasting approximately five generations. Finally, the survival of two different pathotypes of the pathogen during off-season reductions in population size was significantly affected by site, year and pathotypic identity. Interactions between these variables were either marginal or non-existent. The net effect of the interplay of these genetic and ecological factors is to increase stochasticity and the potential for sustained differences between pathogen denies a feature expected when host pathogen co-evolution occurs at a metapopulation level.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3059.1996.tb02904.x
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  • 10
    Electronic Resource
    Electronic Resource
    Variation in pathogen aggressiveness within a metapopulation of the Cakile maritima–Alternaria brassicicola host–pathogen association (2005)
    Oxford, UK : Blackwell Science Ltd
    Plant pathology 54 (2005), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Variation in aggressiveness and its consequences for disease epidemiology were studied in the Cakile maritima–Alternaria brassicicola host–pathogen association. Variability in pathogen growth rates and spore production in vitro, as well as disease severity and lesion growth rate on C. maritima in glasshouse inoculation trials, were investigated. Substantial variation was found in growth rates among individual A. brassicicola isolates, as well as among pathogen populations. A significant trade-off also existed between growth and spore production, such that faster-growing isolates produced fewer spores per unit area. While there was little evidence for a link between growth in vitro and either disease severity or lesion development among fast- vs slow-growth isolate classes at the individual isolate level, the results suggest that variation in pathogen fitness components associated with aggressiveness may influence disease dynamics in nature. An analysis using an independent data set of disease prevalence in the associated host populations found a significant positive relationship between the average growth rate of pathogen populations in vitro and disease progress over the growing season in wild host populations. Trade-offs such as those demonstrated between growth rate and spore production may contribute to the maintenance of variation in quantitatively based host–pathogen interactions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3059.2005.01190.x
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