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Gene expression polymorphism underpins evasion of host immunity in an asexual lineage of the Irish potato famine pathogen.

Marina PaisKentaro YoshidaArtemis GiannakopoulouMathieu A PelLiliana M CanoRicardo F OlivaKamil WitekHannele Lindqvist-KreuzeVivianne G A A VleeshouwersSophien Kamoun
Published in: BMC evolutionary biology (2018)
Our findings highlight the molecular changes underpinning the exceptional genetic and phenotypic plasticity associated with host adaptation in a pandemic clonal lineage of a eukaryotic plant pathogen. We observed that the asexual P. infestans lineage EC-1 can exhibit phenotypic plasticity in the absence of apparent genetic mutations resulting in virulence on a potato carrying the Rpi-vnt1.1 gene. Such variant alleles may be epialleles that arose through epigenetic changes in the underlying genes.
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