de Greeff, Astrid A naturally occurring nucleotide polymorphism in the orf2/folc promoter is associated with Streptococcus suis virulence. [electronic resource] - BMC microbiology Nov 2014 - 264 p. digital Publication Type: Journal Article ISSN: 1471-2180 Standard No.: 10.1186/s12866-014-0264-9 doi Subjects--Topical Terms: AnimalsGene Expression ProfilingOperon--geneticsPolymorphism, Single NucleotidePromoter Regions, GeneticSequence Analysis, DNAStreptococcal Infections--microbiologyStreptococcus suis--geneticsSwineVirulenceVirulence Factors--genetics