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Lateral Transport of Organic and Inorganic Solutes
Umeå University, Faculty of Science and Technology, Umeå Plant Science Centre (UPSC).ORCID iD: 0000-0003-2985-6649
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2019 (English)In: PLANTS, E-ISSN 2223-7747, Vol. 8, no 1, article id 20Article, review/survey (Refereed) Published
Abstract [en]

Organic (e.g., sugars and amino acids) and inorganic (e.g., K+, Na+, PO42−, and SO42−) solutes are transported long-distance throughout plants. Lateral movement of these compounds between the xylem and the phloem, and vice versa, has also been reported in several plant species since the 1930s, and is believed to be important in the overall resource allocation. Studies of Arabidopsis thaliana have provided us with a better knowledge of the anatomical framework in which the lateral transport takes place, and have highlighted the role of specialized vascular and perivascular cells as an interface for solute exchanges. Important breakthroughs have also been made, mainly in Arabidopsis, in identifying some of the proteins involved in the cell-to-cell translocation of solutes, most notably a range of plasma membrane transporters that act in different cell types. Finally, in the future, state-of-art imaging techniques should help to better characterize the lateral transport of these compounds on a cellular level. This review brings the lateral transport of sugars and inorganic solutes back into focus and highlights its importance in terms of our overall understanding of plant resource allocation.

Place, publisher, year, edition, pages
MDPI, 2019. Vol. 8, no 1, article id 20
Keywords [en]
phloem, xylem, lateral transport, organic solutes, inorganic solutes
National Category
Botany
Identifiers
URN: urn:nbn:se:umu:diva-156608DOI: 10.3390/plants8010020ISI: 000457463600010PubMedID: 30650538OAI: oai:DiVA.org:umu-156608DiVA, id: diva2:1290375
Available from: 2019-02-20 Created: 2019-02-20 Last updated: 2019-02-20Bibliographically approved

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Bellini, C

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  • apa
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