Plant Mol Biol (2017) 93:563–578 DOI 10.1007/s11103-016-0582-4 The mobile RNAs, StBEL11 and StBEL29, suppress growth of tubers in potato 1 2 1 Tejashree H. Ghate · Pooja Sharma · Kirtikumar R. Kondhare · 2 1 David J. Hannapel · Anjan K. Banerjee Received: 17 October 2015 / Accepted: 22 December 2016 / Published online: 13 January 2017 © Springer Science+Business Media Dordrecht 2017 Abstract growth. The two most closely related StBELs to StBEL5 Key message We demonstrate that RNAs of StBEL11 are StBEL11 and -29. Together these three genes make up and StBEL29 are phloem-mobile and function antago- more than 70% of all StBEL transcripts present throughout nistically to the growth-promoting characteristics of the potato plant. They share a number of common features, StBEL5 in potato. Both these RNAs appear to inhibit suggesting they may be co-functional in tuber development. tuber growth by repressing the activity of target genes Upstream sequence driving GUS expression in transgenic of StBEL5 in potato. Moreover, upstream sequence potato lines demonstrated that both StBEL11 and -29 pro- driving GUS expression in transgenic potato lines dem- moter activity is robust in leaf veins, petioles, stems, and onstrated that both StBEL11 and -29 promoter activ- vascular tissues and induced by short-days in leaves and ity is robust
Plant Molecular Biology – Springer Journals
Published: Jan 13, 2017
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