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- Title
Catalog of Micro-Tom tomato responses to common fungal, bacterial, and viral pathogens.
- Authors
Takahashi, Hideki; Shimizu, Ayano; Arie, Tsutomu; Rosmalawati, Syofi; Fukushima, Sumire; Kikuchi, Mari; Hikichi, Yasufumi; Kanda, Ayami; Takahashi, Akiko; Kiba, Akinori; Ohnishi, Kohei; Ichinose, Yuki; Taguchi, Fumiko; Yasuda, Chihiro; Kodama, Motoichiro; Egusa, Mayumi; Masuta, Chikara; Sawada, Hiroyuki; Shibata, Daisuke; Hori, Koichi
- Abstract
Lycopersicon esculentumcultivar Micro-Tom is a miniature tomato with many advantages for studies of the molecular biology and physiology of plants. To evaluate the suitability of Micro-Tom as a host plant for the study of pathogenesis, Micro-Tom plants were inoculated with 16 well-known fungal, bacterial, and viral pathogens of tomato.Athelia rolfsii,Botryotinia fuckeliana,Oidiumsp.,Phytophthora infestans, andSclerotinia sclerotiorumcaused typical symptoms and sporulated abundantly on Micro-Tom. Micro-Tom was resistant toAlternaria alternata,Corynespora cassiicola, andFusarium oxysporum. When Micro-Tom was inoculated with 17 isolates ofRalstonia solanacearum, many isolates induced wilt symptoms.Agrobacterium tumefaciensalso was pathogenic, causing crown galls on stem tissue after needle prick inoculation. In Micro-Tom sprayed withPseudomonas syringaepv.tomato,P. s.pv.tabaci, orP. s.pv.glycinea, bacterial populations did not increase, and yellow lesions appeared only on leaves sprayed withP. s.pv.tomato.Tomato mosaic virus,Tomato aspermy virus, andCucumber mosaic virussystemically infected Micro-Tom, which developed symptoms characteristic of other cultivars of tomato after infection with the respective virus. These results indicated that Micro-Tom was generally susceptible to most of the important tomato pathogens and developed typical symptoms, whereas certain pathogens were restricted by either hypersensitive resistance or nonhost resistance on Micro-Tom. Therefore, an assortment of Micro-Tom-pathogen systems should provide excellent models for studying the mechanism of susceptible and resistant interactions between plants and pathogens.
- Subjects
TOMATO disease &; pest resistance; PLANT physiology; PLANT viruses; ATHELIA; BOTRYOTINIA
- Publication
Journal of General Plant Pathology, 2005, Vol 71, Issue 1, p8
- ISSN
1345-2630
- Publication type
Article
- DOI
10.1007/s10327-004-0168-x