Variation in resistance to multiple pathogen species: anther smuts of Silene uniflora
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چکیده
منابع مشابه
Variation in resistance to multiple pathogen species: anther smuts of Silene uniflora
The occurrence of multiple pathogen species on a shared host species is unexpected when they exploit the same micro-niche within the host individual. One explanation for such observations is the presence of pathogen-specific resistances segregating within the host population into sites that are differentially occupied by the competing pathogens. This study used experimental inoculations to test...
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Anther smuts on Silene acaulis and S. uniflora from the Outer Hebrides, Scotland, UK), are analysed using morphological and molecular techniques, and found to represent Microbotryum silenes-acaulis and M. silenes-inflatae, respectively. This is the first identification of caryophyllaceous anther smuts in the Outer Hebrides according to modern species concepts and the first report of Microbotryu...
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Resistance to systemic diseases is often difficult to measure quantitatively because individuals can be scored only as either diseased or healthy. A technique is described for cloning individuals of Silene vulgaris plants using the tissue culture of seedling meristems. Inoculation of such clonally replicated genotypes within two families shows that segregation of resistance to anther-smut disea...
متن کاملHistory of the invasion of the anther smut pathogen on Silene latifolia in North America.
Understanding the routes of pathogen introduction contributes greatly to efforts to protect against future disease emergence. Here, we investigated the history of the invasion in North America by the fungal pathogen Microbotryum lychnidis-dioicae, which causes the anther smut disease on the white campion Silene latifolia. This system is a well-studied model in evolutionary biology and ecology o...
متن کاملMicrobotryum silenes-saxifragae sp. nov. sporulating in the anthers of Silene saxifraga in southern European mountains
Currently, the monophyletic lineage of anther smuts on Caryophyllaceae includes 22 species classified in the genus Microbotryum. They are model organisms studied in many disciplines of fungal biology. A molecular phylogenetic approach was used to resolve species boundaries within the caryophyllaceous anther smuts, as species delimitation based solely on phenotypic characters was problematic. Se...
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ژورنال
عنوان ژورنال: Ecology and Evolution
سال: 2012
ISSN: 2045-7758
DOI: 10.1002/ece3.346