Plant Mol Biol (2017) 94:481–494 DOI 10.1007/s11103-017-0619-3 1,2 1 1 1 Vijaya K. R. Vulavala · Edna Fogelman · Lior Rozental · Adi Faigenboim · 1 2 1 Zachariah Tanami · Oded Shoseyov · Idit Ginzberg Received: 2 March 2017 / Accepted: 15 May 2017 / Published online: 23 May 2017 © Springer Science+Business Media Dordrecht 2017 Abstract StCASP1-like genes, which are two orthologs of a protein Key message Newly identified genes that are pref- family that mediates the formation of Casparian strips in erentially expressed in potato skin include genes that the suberized endodermis of Arabidopsis roots. An exami- are associated with the secondary cell wall and stress- nation of microtubers induced from transgenic plants car- related activities and contribute to the skin’s protective rying GUS reporter constructs of these genes indicated function. that these genes were expressed in the skin, with little to Abstract Microarrays were used to compare the skin no expression in the tuber flesh. Some of the reporter con- and tuber-flesh transcriptomes of potato, to identify genes structs were preferentially expressed in the inner layers of that contribute to the unique characteristics of the skin as the skin, the root endodermis, the vascular cambium and a protective tissue. Functional gene analysis indicated
Plant Molecular Biology – Springer Journals
Published: May 23, 2017
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