P. infestans populations

Ayala-Usma, D.A., Danies, G., Myers, K., Bond, M.O., Romero-Navarro, J.A., Judelson, H.S., Restrepo, S., Fry, W.E. 2020. Genome-wide association study identifies single nucleotide polymorphism markers associated with mycelial growth (at 15, 20, and 25°C), mefenoxam resistance, and mating type in Phytophthora infestans. Phytopathology: accepted. doi:10.1094/PHYTO-06-19-0206-R

González-Tobón, J., Childers, R., Olave, C., Regnier, M., Rodríguez-Jaramillo, A., Fry, W., Restrepo, S., Danies, G. 2019. Is the phenomenon of mefenoxam-acquired resistance in Phytophthora infestans universal? Plant Disease 104: 211-221.

Leesutthiphonchai, W., Judelson, H.S. 2019. Phytophthora infestans sporangia produced in artificial media and plant lesions have subtly divergent transcription profiles but equivalent infection potential and aggressiveness. Molecular Plant-Microbe Interactions 32: 1077-1087.

Rodenburg, S.Y.A., Seidl, M.F., Judelson, H.S., Vu, A.L., Govers, F., de Ridder, D. 2019. Metabolic model of the Phytophthora infestans-tomato interaction reveals metabolic switches during host colonization. Host-Microbe Biology 10: doi:10.1128/mBio.00454-19.

Saville, A. and Ristaino, J. B.   2019. Genetic structure and subclonal variation of extant and recent US lineages of Phytophthora infestans. Phytopathology 109:1614-1627. doi:10.1094/PHYTO-09-18-0357-R.

Ristaino, J. B., Cooke, D.E.L., Acuña, I., Muñoz, M. 2018. The Threat of Late Blight to Global Food Security. In Emerging Plant Disease and Global Food Security. A. Records and J. B. Ristaino, eds. American

Shakya, Shankar K, Meredith M Larsen, Mercedes María Cuenca-Condoy, Héctor Lozoya-Saldaña, and Niklaus J Grünwald. 2018. Variation In Genetic Diversity Of Phytophthora Infestans Populations In Mexico From The Center Of Origin Outwards. Plant Disease: PDIS–11.Phytopathological Society Press, St. Paul.

Wang, Jianan , Sylvia P Fernández-Pavía, Meredith M Larsen, Edith Garay-Serrano, Rosario Gregorio-Cipriano, Gerardo Rodríguez-Alvarado, Niklaus J Grünwald, and Erica M Goss.  2017. High Levels Of Diversity And Population Structure In The Potato Late Blight Pathogen At The Mexico Centre Of Origin. Molecular Ecology 26: 1091–1107. doi:10.1111/mec.14000.

Knaus, B. J.; Tabima, J. F.; Davis, C. E.; Judelson, H. S.; Grünwald, N. J. 2016. Genomic analyses of dominant US clonal lineages of Phytophthora infestans reveals a shared common ancestry for clonal lineages US11 and US18 and a lack of recently shared ancestry among all other US lineages. Phytopathology 106: 1393-1403.

Hansen, Z.; Everts, K. L.; Fry, W. E.; Gevens, A. J.; Grünwald, N. J.; Gugino, B. K.; Johnson, D. A.; Johnson, S. B.; Judelson, H. S.; Knaus, B. J.; McGrath, M. T.; Myers, K. L.; Ristaino, J. B.; Roberts, P. D.; Secor, G. A.; Smart, C. D. 2016. Genetic variation within clonal lineages of Phytophthora infestans revealed through genotyping-by-sequencing, and implications for late blight epidemiology. PLOS One DOI:10.1371/journal.pone.0165690.

Fry, W.F. 2016. Phytophthora infestans: New tools (and old ones) lead to new understanding and precision management. Annual Review of Phytopathology 54: 529-547.

Hansen, Z.; Knaus, B.; Tabima, J.; Press, C.; Judelson, H.S.; Grunwald, N.; Smart, C. 2016. SNP-based differentiation of Phytophthora infestans clonal lineages using locked nucleic acid probes and high resolution melt analysis.  Plant Disease 100: 1297-1306.

Frost, K.E.; Seidl Johnson, A.C.; Gevens, A.J.  2016.  Survival of isolates of the US-22, US-23, and US-24 clonal lineages of Phytophthora infestans by asexual means in tomato seed at cold temperatures. Plant Disease 100: 180-187.

Martin, M.D.; Vieira, F.G.; Ho, S.Y.W.; Wales, N.; Schubert, M.; Seguin-Orlando, A.; Ristaino, J.B.; Gilbert, M.T.P.  2015.  Genomic characterization of a South Amerian Phytophthora hybrid mandates reassessment of the geographic origins of Phytophthora infestans. Molecular Biology and Evolution 33: 478-491.

Saville, A.; Graham, K.; Grünwald, N.J.; Myers, K.; Fry, W.E.; Ristaino, J.B. 2015. Fungicide sensitivity of US genotypes of Phytophthora infestans to six oomycete-targeted compounds. Plant Disease 99: 659-666.

Childers, R.; Danies, G.; Myers, K.; Fei, Z.; Small, I.M.; Fry, W.E..  2014. Acquired resistance to mefenoxam in sensitive isolates of Phytophthora infestans. Phytopathology 105: 342-349.

Danies, G.; Myers, K.;  Mideros, M F.; Restrepo, S.; Martin, F.; Cooke, DEL;  Smart, C.D.; Ristaino, J. B.;  Seaman, A.J.;  Gugino, B. K.; Grunwald, N. J.;  Fry, W. E.  2014.  An ephemeral sexual population of Phytophthora infestans in the northeastern United States and Canada. PLOS One.  DOI: 10.1371/journal.pone.0116354

Lassiter, E.S.; Russ, C.; Nusbaum, C.; Zeng, Q.; Saville, A.; Olarte, R.A.; Carbone, I.; Hu, C.-H.; Seguin-Orlando, A.; Samaniego, J.A.; Thorne, J.L.; Ristaino, J.B.  2014.  Mitochondrial genome sequences reveal evolutionary relationships of the Phytophthora 1c clade species.  Current Genetics.  DOI: 10.1007/s00294-015-0480-3

Martin, M.D.; Ho, S.Y.W.; Wales, N.; Ristaino, J.B.; Gilbert, M.T.P.  2014.  Persistence of the mitochondrial lineage responsible for the Irish potato famine in extant New World Phytophthora infestans. Molecular Biology and Evolution  31: 1414-1420.

Danies, G.; Small, I. M.; Myers, K.; Childers, R.; Fry, W. E.  2013.  Phenotypic characterization of recent clonal lineages of Phytophthora infestans  in the United States. Plant Disease 97: 873-881.

Fry, W. E.; McGrath, M. T.; Seaman, A.; Zitter, T. A.; McLeod, A.; Danies, G.; Small, I. M.; Myers, K.; Everts, K.; Gevens, A. J.; Gugino, B. K.; Johnson, S. B.; Judelson, H.; Ristaino, J.; Roberts, P.; Secor, G.; Seebold, Jr., K.; Snover-Clift, K.; Wyenandt, A.; Grünwald, N. J.; Smart, C. D.  2013.  The 2009 late blight epidemic in the eastern United States – Causes and results. Plant Disease 97 (3):  296-306.

Lee, S.C; Ristaino, J. B.; Heitman, J.  2013.  Parallels in intercellular communication in oomycete and fungal pathogens of plants and humans. PLOS Pathogens 8(12): 1-4.

Martin, M.D.; Cappellini, E.; Samaniego, J.A.; Zepeda, M.L.; Campos, P.F.; Seguin-Orlando, A.; Wales, N.; Orlando, L.; Ho, S.Y.W.; Dietrich, F.S.; Mieczkowski, P.A.; Heitman, J.; Willerslev, E.; Krogh, A.; Ristaino, J.B.; Gilbert, M.T.P.  2013.  Reconstructing genome evolution in historic samples of the Irish potato famine pathogen.  Nature Communications.  DOI:  10.1038/ncomms3172.

Gevens, A. J.; Seidl, A. C.  2012.  First report of late blight caused by Phytophthora infestans clonal lineage US-22 on tomato and potato (Solanum tuberosum) in Wisconsin.  Plant Disease 97:423.

Gevens, A. J; Seidl, A. C. 2012.  First report of late blight caused by Phytophthora infestans clonal lineage US-24 on potato (Solanum tuberosum).  Plant Disease 97: 152.

Gevens, A. J.; Seidl, A. C. 2012.  First report of late blight caused by Phytophthora infestans clonal lineage US-23 on tomato (Solanum lycopersicum) and potato (Solanum tuberosum) in Wisconsin.  Plant Disease 97: 839.

Grünwald, N. J.  2012.  Genome sequences of Phytophthora enable translational plant disease management.  Canadian Journal of Plant Pathology 34: 13-19.

Hu, C. H.; Perez, F. G.; Donahoo, R.; McLeod, A.; Myers, K.; Ivors, K.; Secor, G.; Roberts,  P. D.; Fry, W. E.; Deahl, K. L.; and Ristaino. J. B. 2012. Recent genotypes of Phytophthora infestans in eastern USA reveal clonal populations and reappearance of mefenoxam sensitivity. Plant Disease 96: 1323-1330.

Ristaino, J. B.  2012.  Worldwide migrations, host shifts and reemergence of Phytophthora infestans, the Plant Destroyer.  Ch. 10 in: Evolution of Virulence in Eukaryotic Microbes (Eds. L. D. Sibley, B. Howlett, and J. Heitman, Wiley and Sons).

Sanchez Perez, A. Seidl, A. C., Gevens, A. J.  2012.  Oospore potential of newly introduced genotypes of Phytophthora infestans. American Journal of Potato Research 89: 30-52.


Ristaino, J.B. Saville, A.C., Paul, R., Cooper, D., Wei, Q. 2020. Detection of Phytophthora infestans by loop-mediated isothermal amplification, real-time LAMP, and droplet digital PCR. Plant Disease 104: 708-716.

Paul, R., Ostermann, E., Gu, Z., Ristaino, J.B., Wei, Q. 2020. DNA extraction from plant leaves using a microneedle patch. Current Protocols in Plant Biology 5. DOI: 10.1002/cppb.20104.

Paul, R., Saville, A. C.,  Hansel, C.,  Ye, Y.,  Ball, C.  Williams, A.,  Chang, X.,  Chen, C., Gu, Z., Ristaino, J. B.,  and Wei, Q. 2019. Extraction of Plant DNA by Microneedle Patch for Rapid Detection of Plant Diseases. ACS Nano 13. DOI: 10.1021/acsnano.9b00193.

Li, Z., Paul, R., Tis, T.  ,  Saville, A. C. , Hansel, J. C., Ristaino, J. B. and Wei, Q.  2019. Noninvasive Plant Disease Diagnostics Enabled by Smartphone-Based Fingerprinting of Leaf Volatiles. Nature Plants 5. DOI: 10.1038/s41477-019-0476-y.

Hansen, Z.; Knaus, B.; Tabima, J.;, Press, C.; Judelson, H.; Grunwald, N.; Smart, C. 2016. Loop-Mediated Isothermal Amplification (LAMP) for Detection of the Tomato and Potato Late Blight Pathogen Phytophthora infestans.  Journal of Applied Microbiology 120: 1010-1020.

Late blight management tools

Liu, Y.; Langemeier, M. R.; Small, I. M.;  Joseph, L., Fry, W. E.;  Ristaino, J. B.;  Saville, A.; Gramig, B. M.; and Preckel, P. V.    A Risk Analysis of Precision Agriculture Technology to Manage Tomato Late Blight. Sustainability 10:3108

Johnson, D.A.; Cummings, T.F.  2016.  In-canopy environment of sprinkler irrigated potato fields as a factor for late blight management in the semiarid environment of the Columbia Basin. American Journal of Potato Research 93:in press.

Small, I. M.; Joseph, L., Fry; W. E. 2015.  Evaluation of the BlightPro decision support system for management of potato late blight using computer simulation and field validation. Plant Disease 105: 1545-1554.

Small, I. M.; Joseph, L., Fry; W. E.  2015.  Development and implementation of the BlightPro decision system for potato and tomato late blight management. Computers and Electronics in Agriculture 115: 57-65.

Jordan, S. A.; Dobbs, J.; Clark, R.; Cleveland, K. M.; Gevens, A. J. 2012.  Evaluation of fungicides for control of late blight in potato in storage, 2010-2011. Plant Disease Management Reports 6:V093.  Online publication.  doi: 10.1094/PDMR06

Disease resistance

Matson, M. E. H.; Small, I. M.; Fry, W. E.; Judelson H. S.  2015.  Metalaxyl Resistance in Phytophthora infestans: assessing role of RPA190 gene and diversity within clonal lineages. Phytopathology 105: 1594-1600.

Hansen, Z. R.; Small, I. M.; Mutschler-Chu, M.; Fry, W. E.; Smart, C. D.  2014.  Differential susceptibility of thirty nine tomato varieties to Phytophthora infestans clonal lineage US-23. Plant Disease 98: 1666-1670.

McGrath, M. T.; Menasha, S. R.; LaMarsh, K. A..  2013.  Evaluation of late blight resistant tomato cultivars and experimental hybrids on Long Island, NY, 2012. Plant Disease Management Reports 7: V021.

Genetic engineering-based resistance

Kang, H.-G.; Choi, H. W.; von Einem, S.; Manosalva, P.; Ehlers, K.; Liu, P.-P.; Buxa, S. V.; Moreau, M.; Mang, H.-G.; Kachroo, P.; Kogel, K.-H.; Klessig, D. F.  2012.  CRT1 is a nuclear-translocated MORC endonuclease that participates in multiple levels of plant immunity. Nature Communications 3:1297.

Education and outreach

Ristaino, J. B., Schumann, G.L. and C. J. D’Arcy. 2018. Late blight of potato and tomato. The Plant Health Instructor. DOI: 10.1094/PHI-I-2000-0724-01.

Ristaino, J. B. and Pfister, D. H. 2016. “What a painfully interesting subject”: Charles Darwin’s studies of potato late blight. BioScience in press.

Fry, W. E.; Birch, P. R. J.; Judelson, H. S.; Grünwald, N. J.; Danies, G.; Everts, K. L.; Gevens, A. J.; Gugino, B. K.; Johnson, D. A.; Johnson, S. B.; McGrath, M. T.; Myers, K. L.; Ristaino, J. B.; Roberts, P. D.; Secor, G.; Smart, C. D.  2015.  Five reasons to consider Phytophthora infestans a reemerging pathogen. Phytopathology 105: 966-981.

Kamoun, S.; Furzer, O.; Jones, J.D.G.; Judelson, H.S.; Shad Ali, G.; Dalio, R. J. D.; Guha Roy, S.; Schena, L.; Zampounis, A.; Panabières, F.; Cahill, D.; Ruocco, M.; Figueiredo, A.; Chen, X.R.; Hulvey, J.; Stam, R.; Lamour, K.; Gijzen, M.; Tyler, B.M.; Grünwald, N.J.; Tör, M.;  Shahid Mukhtar, M.;  Tome, D.; Van den Ackerveken, G.; McDowell, J.; Daayf, F.; Fry, W. E.; Lindqvist-Kreuze, H.; Meijer, H. J. G.; Petre, B.; Ristaino, J.; Yoshida, K.; Birch, P.; and Govers, F.  2014.  The Top 10 oomycete pathogens in molecular plant pathology. Molecular Plant Microbe Interactions DOI: 10.1111/mpp.12190.