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Title:   Author  item
                                            FRY, W - Cornell Universityitem
                                            BIRCH, P - The James Hutton Instituteitem
                                            JUDELSON, H - University Of Californiaitem
                                            Grunwald, Niklaus

                                                         - *Nik*item
                                            DANIES, G - Cornell Universityitem
                                            EVERTS, K - University Of Marylanditem
                                            GEVENS, A - University Of Wisconsinitem
                                            GUGINO, B - Pennsylvania State Universityitem
                                            JOHNSON, D - Washington State Universityitem
                                            JOHNSON, S - University Of Maineitem
                                            MCGRATH, M - Cornell Universityitem
                                            MYERS, K - Cornell Universityitem
                                            RISTAINO, J - North Carolina State Universityitem
                                            ROBERTS, P - University Of Floridaitem
                                            SECOR, G - North Dakota State Universityitem
                                            SMART, C - Cornell University
  Submitted to: Phytopathology
                                    Publication Type: Review Article
                                    Publication Acceptance Date: 3/2/2015
                                    Publication  Date: 7/23/2015
                                    Citation: Fry, W.E., Birch, P.R., Judelson, H.S., Grunwald, 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.Interpretive Summary:
                                Technical Abstract: The Late blight disease of potato and tomato (and several other Solanaceous plants) has emerged and re-emerged so many times, that it might be logical to conclude that nothing new could be said about this disease. And yet, much continues to be said (and written). In the year 2007, a search for Phytophthora infestans via Google Scholar returned 13,400 journal articles, whereas in October 2014 the same search identified 30,900 articles, with more than 9000 published since 2010. A search on “late blight of tomato” returned 36,800 articles. A search on “late blight of potato” returned 61,100 articles with 16,700 since 2010. Obviously, the world continues to devote much attention to this pathogen and disease. Readers who are unfamiliar with this disease and its impact are referred to Box 1, and to several reviews and books. We think there are several attributes that maintain the visibility of this pathogen (and its disease), thus causing it to be always “re-emerging”. Because this review cannot be totally comprehensive, we’ve identified five attributes that we believe are responsible for the fact that this pathogen and its disease remain “emerging”, and thus of intense interest to growers, home owners, historians and scientists.  

1. The historical tragedy associated with this disease (Irish potato famine) causes many people to be fascinated with the pathogen. Current technology now enables investigators to answer some questions of historical significance. 
2. The devastation caused by the pathogen continues to appear in surprising new locations and/or with surprising new intensity.   
3. Populations of P. infestans worldwide are in flux, with changes that have major implications to disease management.
4. The genomics revolution has enabled investigators to make wonderful progress in terms understanding the molecular biology (especially the pathogenicity) of P. infestans.
5. There are many fascinating unanswered questions.


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