Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 429524
Title Correlation of mycelial growth rate with other characters in evolved genotypes of Aspergillus nidulans
Author(s) Schoustra, S.E.; Punzalan, D.
Source Fungal Biology 116 (2012). - ISSN 1878-6146 - p. 630 - 636.
Department(s) Laboratory of Genetics
Publication type Refereed Article in a scientific journal
Publication year 2012
Keyword(s) evolution - sex - fitness - adaptation - selection - fungi
Abstract Fungal populations can adapt to their environment by the generation and fixation of spontaneous beneficial mutations. In this study we examined whether adaptation, measured as an increased mycelial growth rate, has correlated responses in the filamentous fungus Aspergillus nidulans with several other metric characters that could be important fitness components (colony forming units, germination speed, and biomass formation). Studying 60 populations that had evolved over 800 generations by experimental evolution, we find that only mycelial growth rate increased during adaptation to growing on solid medium. We further found that among evolved strains colony forming units is negatively correlated with mycelial growth rate and that colony forming units and biomass formation show a positive correlation. Our results give insight into changes in fungal phenotype as a result of adaptation and suggest that mycelial growth rate is the only available target of selection
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