| genetic characterization of toxoplasma gondii isolates from pigs in southwestern china. | abstract the genetic diversity of toxoplasma gondii varies in different geographical regions. isolates of t. gondii in south america, for example, are genetically and biologically divergent from those in north america and europe, where the population structure is highly clonal and composed mainly of three distinct lineages known as types i, ii, and iii. however, little is known of the t. gondii genotypes in people's republic of china. toxoplasma gondii infection in pigs causes significant econom ... | 2011 | 21721904 |