Sugar transporters in grasses: Function and modulation in source and storage tissues

Dhungana, Singha R.; Braun, David M.

doi:10.1016/j.jplph.2021.153541

Sugar transporters in grasses: Function and modulation in source and storage tissues

Journal Article · Sat Oct 02 00:00:00 EDT 2021 · Journal of Plant Physiology

DOI:https://doi.org/10.1016/j.jplph.2021.153541· OSTI ID:1977388

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University of Missouri, Columbia, MO (United States); OSTI
University of Missouri, Columbia, MO (United States)

Carbohydrate partitioning, the process of transporting carbohydrates from photosynthetic (source) tissues, such as leaves, to non-photosynthetic (sink) tissues, such as stems, roots, and reproductive structures, is vital not only for the growth and development of plants but also for withstanding biotic and abiotic stress. In many plants, sucrose is the primary form of carbohydrate loaded into the phloem for long-distance transport and unloaded into the sink tissues for utilization or storage. Here, we highlight recent findings about 1) phloem loading in grasses, 2) the principal families of sugar transporters involved in sucrose transport, and 3) novel mechanisms by which the activities of sugar transporters are modulated. We discuss exciting discoveries from eudicot species that provide valuable insights regarding the regulation of these sugar transporters, which may be translatable to monocot species. As we better understand the intricate pathways that control the activities of various sugar transporters, we can utilize this knowledge for developing improved crop varieties.

View Accepted Manuscript (DOE)

Research Organization:: Donald Danforth Plant Science Center, St. Louis, MO (United States)

Sponsoring Organization:: USDOE Office of Science (SC); USDOE Office of Science (SC), Biological and Environmental Research (BER)

Grant/Contract Number:: SC0018072

OSTI ID:: 1977388

Alternate ID(s):: OSTI ID: 2318642
OSTI ID: 1825133

Journal Information:: Journal of Plant Physiology, Journal Name: Journal of Plant Physiology Journal Issue: C Vol. 266; ISSN 0176-1617

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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Sugar transporters in grasses: Function and modulation in source and storage tissues

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References (79)

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