The Potential for pathogenicity was present in the ancestor of the Ascomycete subphylum Pezizomycotina |
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| Authors: | Aminael Sánchez-Rodríguez Cindy Martens Kristof Engelen Yves Van de Peer Kathleen Marchal |
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| Institution: | 1.CMPG, Department of Microbial and Molecular Systems,K.U. Leuven,Leuven,Belgium;2.Departments of Plant Systems Biology and Plant Biotechnology and Genetics,Ghent University,Ghent,Belgium;3.Laboratory of Molecular Biology, Institute of Plant Biotechnology,Central University ‘Marta Abreu’ of Las Villas (UCLV),Santa Clara,Cuba |
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| Abstract: | Background Previous studies in Ascomycetes have shown that the function of gene families of which the size is considerably larger in
extant pathogens than in non-pathogens could be related to pathogenicity traits. However, by only comparing gene inventories
in extant species, no insights can be gained into the evolutionary process that gave rise to these larger family sizes in
pathogens. Moreover, most studies which consider gene families in extant species only tend to explain observed differences
in gene family sizes by gains rather than by losses, hereby largely underestimating the impact of gene loss during genome
evolution. |
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