Planta (2017) 246:389–403 DOI 10.1007/s00425-017-2695-7 ORIGINAL ARTICLE The 5 untranslated region of potato SBgLR gene contributes to pollen-speciﬁc expression 1,2 1,3 1 1 1 • • • • Yujie Chang Min Yan Jingjuan Yu Dengyun Zhu Qian Zhao Received: 22 December 2016 / Accepted: 12 April 2017 / Published online: 25 April 2017 Springer-Verlag Berlin Heidelberg 2017 Abstract important role in pollen-speciﬁc expression. Using yeast Main conclusion The 5 UTR of SBgLR enhances gene one-hybrid screening, we isolated a DNA-binding with one expression by regulating both its transcription and ﬁnger (Dof) protein gene (StDof23) and an AT-hook motif translation. nuclear-localized (AHL) protein gene (StAHL)frompotato pollen. Further investigation indicated that StDof23 inter- SBgLR (Solanum tuberosum genomic lysine rich) is a pol- acted with and positively regulated the ?31 to ?60 region; len-speciﬁc gene in Solanum tuberosum that encodes a moreover, StAHL interacted with and negatively regulated microtubule-associated protein. The region from -85 to the -49 to ?60 region. These results demonstrate that the ?180 (transcription start site at ?1) was determined to be 5 UTR not only enhanced gene expression but also altered critical for speciﬁc expression in pollen grains. Transient the tissue-speciﬁc expression pattern by regulating both and stable
Planta – Springer Journals
Published: Apr 25, 2017
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