The Solanum tuberosum KST1 partial promoter as a tool for guard cell expression in multiple plant species

Journal of Experimental Botany
Gilor KellyDavid Granot

Abstract

To date, guard cell promoters have been examined in only a few species, primarily annual dicots. A partial segment of the potato (Solanum tuberosum) KST1 promoter (KST1 partial promoter, KST1ppro) has previously been shown to confer guard cell expression in potato, tomato (Solanum lycopersicum), citrus [Troyer citrange (C. sinensis×Poncirus trifoliata)], and Arabidopsis (Arabidopsis thaliana). Here, we describe an extensive analysis of the expression pattern of KST1ppro in eight (previously reported, as well as new) species from five different angiosperm families, including the Solanaceae and the Cucurbitaceae, Arabidopsis, the monocot barley (Hordeum vulgare), and two perennial species: grapevine (Vitis vinifera) and citrus. Using confocal imaging and three-dimensional movies, we demonstrate that KST1ppro drives guard cell expression in all of these species, making it the first dicot-originated guard cell promoter shown to be active in a monocot and the first promoter reported to confer guard cell expression in barley and cucumber (Cucumis sativus). The results presented here indicate that KST1ppro can be used to drive constitutive guard cell expression in monocots and dicots and in both annual and perennial plants. In additio...Continue Reading

References

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Jun 7, 2013·The Plant Journal : for Cell and Molecular Biology·Gilor KellyDavid Granot
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Aug 1, 2014·The New Phytologist·Tracy LawsonDavid Granot
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Citations

Mar 11, 2020·Annual Review of Plant Biology·Tracy Lawson, Jack Matthews
Aug 2, 2018·Plant Signaling & Behavior·V F LimaD M Daloso
Dec 6, 2019·Frontiers in Plant Science·Gilor KellyDavid Granot
Jul 1, 2020·Frontiers in Plant Science·Xiaoping ChenDongliang Cheng
Jan 30, 2021·Frontiers in Plant Science·Günter G LehretzUwe Sonnewald
Jun 23, 2021·Communications Biology·Gilor KellyDavid Granot

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