Transformation of potato (Solanum tuberosum) using particle bombardment

A. Romano, K. Raemakers, R. Visser, H. Mooibroek

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26 Citations (Scopus)


Internodes, leaves and tuber slices from potato (Solanum tuberosum), genotype 1024-2, were subjected to particle bombardment. Transient expression was optimized using the uidA and the luc reporter genes that encode #-glucuronidase (GUS) and luciferase, respectively. Stable transformation was achieved using the neomycin phosphotransferase (nptII) gene, which confers resistance to the antibiotic kanamycin. The influence of biological parameters (tissue type, growth period before bombardment, pre- and post-bombardment osmoticum treatment) and physical parameters (helium pressure, tissue distance) that are known to possibly affect stable transformation were investigated. Putative transgenic plants, which rooted in media containing kanamycin, were obtained from all of the tissues tested although there were large differences in the efficiency: internodes (0.77 plants per bombarded explant), microtuber slices (0.10 plants per bombarded explant) and leaves (0.02 plants per bombarded explant). Southern blot analysis of putative transgenic plants confirmed the integration of the transgenes into plant DNA. The results indicate that an efficient particle bombardment protocol is now available for both transient and stable transformation of potato internodal segments, thus contributing to an enhanced flexibility in the delivery of transgenes to this important food crop.
Original languageEnglish
Pages (from-to)198-204
JournalPlant Cell Reports
Publication statusPublished - 2001


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