“If it's green or wriggles, it's biology. If it stinks, it's chemistry. If it doesn't work, it's physics. ” — Handy Guide to Science
Karin van Dijk
Assistant Professor
Host-Pathogen Interactions
Ph.D. – Cornell University, 1998
M. S. – Cornell University, 1995
B.A. – Warren Wilson College, 1990
Creighton University
2500 California Plaza
Omaha, NE 68178-0103
Courses Offered
- BIO 150 – Biotechnology and Society
- BIO/EVS 351 – Microbiology
- BIO 417/MIC 617 – Molecular Biology Lecture
- BIO 532 – Current Topics in Cellular and Molecular Biology
- BIO 551 – Current Topics in Microbiology
Research Interests
Scholarly Works
Publications
Casas-Mollano, J.A., J. Rohr, E.J. Kim, E. Balassa, K. van Dijk, and H. Cerutti. 2008. Diversification of the core RNA interference machinery in Chlamydomonas reinhardtii and the role of DCL1 in transposon silencing. Genetics 179: 69-81.
Casas-Mollano, J.A., K. van Dijk, J. Eisenhart, and H. Cerutti. 2007. SET3p monomethylates histone H3 on lysine 9 and is required for the silencing of tandemly repeated transgenes in Chlamydomonas. Nucleic Acids Research 35: 939-950.
van Dijk, K., K.E. Marley, B.R. Jeong, J.P. Xu, J. Hesson, R.L. Cerny, J.H. Waterborg, and H. Cerutti. 2005. Monomethyl histone H3 lysine 4 as an epigenetic mark for silenced euchromatin in Chlamydomonas. The Plant Cell 17: 2439-2453.
Petnicki-Ocwieja, T., K. van Dijk, and J.R. Alfano. 2005. The hrpK operon of Pseudomonas syringae pv. tomato DC3000 encodes two proteins secreted by the type III (Hrp) protein secretion system: HopB1 and HrpK, a putative type III translocator. Journal of Bacteriology 187: 649-663.
van Dijk, K.V., H. Xu, and H. Cerutti. 2005. Epigenetic silencing of transposons in green alga Chlamydomonas reinhardtii. Pp. 159-178 in Small RNAs; Analysis and Regulatory Functions (W. Nellen and C. Hammann, eds.). Springer-Verlag, Heidelberg.
van Dijk, K. and H.Cerutti 2004. RNA-mediated silencing. Pp.1106-1109 in Encyclopedia of Plant & Crop Sciences (R. M. Goodman, ed.). Marcel Dekker, Inc., New York.
Nelson, E., K. Kageyama, K. van Dijk and S. Windstam. 2004. Biological control of soilborne disease: important concepts from a model system. Pp. 115-130 in Acta Horticulturae (ISHS) 635 (A. Vanachter, ed.). ISHS, Toronto.
van Dijk K.V. and H. Cerutti. 2004. RNA-mediated silencing. Pp. 1242-1244 in Encyclopedia of Plant and Crop Science (Robert M. Goodman, ed.). Marcel Dekker, Inc., New York.
van Dijk, K., V.C. Tam, A.R. Records, T. Petnicki-Ocwieja, and J.R. Alfano. 2002. The ShcA protein is a molecular chaperone that assists in the secretion of the HopPsyA effector from the type III (Hrp) protein secretion system of Pseudomonas syringae. Molecular Microbiology 44:1469-1481.
Fouts, D.E., R.B. Abramovitch, J.R. Alfano, A.M. Baldo, C.R. Buell, S. Cartinhour, A.K. Chatterjee, M. D'Ascenzo, M.L. Gwinn, S.G. Lazarowitz, N.C. Lin, G.B. Martin, A.H. Rehm, D.J. Schneider, K. van Dijk, X.Y. Tang, and A. Collmer. 2002. Genomewide identification of Pseudomonas syringae pv. tomato DC3000 promoters controlled by the HrpL alternative sigma factor. Proceedings of the National Acadamy of Sciences 99: 2275-2280.
Collmer, A., A.O. Charkowski , W-L. Deng, D. E. Fouts, J.H. Ham, A.H. Rehm, K. van Dijk and J.R. Alfano. 2001. Bacterial Avr proteins: secreted agents of parasitism and elicitors of plant defense. Pp. 36-45 in Delivery and Perception of Pathogen Signals in Plants (N.T. Keen, S. Mayama, J.E. Leach, and S. Tsuyumu, eds.). APS Press, St. Paul, Minnesota.
Collmer A, J.R. Alfano, D.M. Anderson, J.L. Badel, W-L. Deng, D.E. Fouts, A.H. Rehm, C. M. Rojas , O. Schneewind and K. van Dijk. 2000. Hrp (type III) protein secretion and the virulence of Pseudomonas syringae and Erwinia chrysanthemi. Pp. 65-70 in Biology of Plant-Microbe Interactions, Vol. 2 (P.J.G.M. de Wit, T. Bisseling, and W. Stiekema, eds.). ISMPMI, St. Paul, Minnesota.
van Dijk, K., and E.B. Nelson. 2000. Fatty acid competition as a mechanism by which Enterobacter cloacae suppresses Pythium ultimum sporangium germination and damping-off. Applied and Environmental Microbiology 66: 5340-5347.
Collmer, A., J.L. Badel, A.O. Charkowski, W.L. Deng, D.E. Fouts, A.R. Ramos, A.H. Rehm, D.M. Anderson, O. Schneewind, K. van Dijk, and J.R. Alfano. 2000. Pseudomonas syringae Hrp type III secretion system and effector proteins. Proceedings of the National Acadamy of Sciences 97: 8770-8777.
Alfano, J.R., A.O. Charkowski, W.L. Deng, J.L. Badel, T. Petnicki-Ocwieja, K. van Dijk, and A. Collmer. 2000. The Pseudomonas syringae Hrp pathogenicity island has a tripartite mosaic structure comprised of a cluster of type III genes bounded by an exchangeable effector and conserved effector loci that contribute to parasitic fitness and pathogenicity in plants.Proceedings of the National Acadamy of Sciences 97: 4856-4861.
van Dijk, K., D.E. Fouts, A.H. Rehm, A.R. Hill, A. Collmer, and J.R. Alfano. 1999. The Avr (effector) proteins HrmA (HopPsyA) and AvrPto are secreted in culture from Pseudomonas syringae pathovars via the Hrp (type III) protein secretion system in a temperature and pH sensitive manner.Journal of Bacteriology 181: 4790-4797.
van Dijk, K., and E.B. Nelson. 1998. Inactivation of seed exudate stimulants of Pythium ultimum sporangium germination by biocontrol strains of Enterobacter cloacae and other seed-associated bacteria. Soil Biology and Biochemistry 30: 183-192.
Hood, M.A., K.V. van Dijk, and E.B. Nelson. 1998. Factors affecting attachment of Enterobacter cloacae to germinating cotton seed. Microbial Ecology 36:101-110.
Presentation Abstracts
Tsai, T., and K. van Dijk. 2009. A tandem affinity purification strategy to isolate proteins interacting with type III secretion chaperones. Phytopathology 99: S130-S130. [Abstract]
