Barbara Christ All publications ( 2 ) Qu X. Christ BJ. In Vitro Culture of the Obligate Parasite Spongospora subterranea (Cercozoa; Plasmodiophorida) Associated with Root-Inducing Transferred-DNA Transformed Potato Hairy Roots. 2007 Nov-Dec. J Eukaryot Microbiol. 54(6):465-7. Costanzo S. Simko I. Christ BJ. Haynes KG. QTL analysis of late blight resistance in a diploid potato family of Solanum phureja x S. stenotomum. 2005 Aug. Theor Appl Genet. 111(3):609-17.