Plant transporters articles within Nature Communications

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  • Article
    | Open Access

    The rice Lsi1 aquaporin mediates uptake of silicic acid via the roots. Here the authors show the crystal structure of rice Lsi1 and characterize a unique five residue hydrophilic selectivity filter providing a structural basis for the highly selective activity of Lsi1 in Si uptake.

    • Yasunori Saitoh
    • , Namiki Mitani-Ueno
    •  & Michihiro Suga

  • Article
    | Open Access

    Plant sulfate transporters mediate absorption and distribution of sulfate. Here the authors present functional assays and a cryo-EM structure of the Arabidopsis SULTR4;1 transporter identifying key domains for dimerization, substrate binding and coupling of transport activity to a proton gradient.

    • Lie Wang
    • , Kehan Chen
    •  & Ming Zhou

  • Article
    | Open Access

    A rise in cytoplasmic Ca2+ concentration is a well-described response of plant cells to mechanical stimulation. Here the authors show that the DEK1 protein, which is essential for epidermis specification and development in plants, is required for triggering a mechanically-activated Ca2+ channel.

    • Daniel Tran
    • , Roberta Galletti
    •  & Gwyneth C. Ingram

  • Article
    | Open Access

    SWEET proteins are known to function as sugar transporters. Here, Kannoet al. show that Arabidopsis SWEET13 and SWEET14 are also able to transport the plant hormone gibberellin (GA) in heterologous systems and that sweetmutants display phenotypes consistent with altered GA response.

    • Yuri Kanno
    • , Takaya Oikawa
    •  & Mitsunori Seo

  • Article
    | Open Access

    Nucleotide sugars are transported from the cytoplasm to the Golgi lumen where they are incorporated into cell wall polysaccharides and used for glycosylation of proteins and lipids. Here the authors identify GFT1, an ArabidopsisGolgi-localized GDP-fucose transporter that is required for plant growth and development

    • Carsten Rautengarten
    • , Berit Ebert
    •  & Joshua L. Heazlewood

  • Article
    | Open Access

    Transport of the plant hormone gibberellin is required for normal plant growth and development. Here, Tal et al. show that NPF3 is able to transport gibberellin in vitro, and provide evidence that it is required for normal gibberellin distribution and activity in plants.

    • Iris Tal
    • , Yi Zhang
    •  & Eilon Shani

  • Article
    | Open Access

    Phenylalanine is synthesized in plant chloroplasts and is then exported to the cytosol, where it is a precursor for various secondary metabolites. Here, the authors identify PhpCAT as a plastid phenylalanine transporter required to maintain metabolic flux in petunia.

    • Joshua R. Widhalm
    • , Michael Gutensohn
    •  & Natalia Dudareva

  • Article
    | Open Access

    Seed germination is repressed by release of the plant hormone abscisic acid (ABA) to the embryo from the surrounding endosperm tissue. Here Kang et al. characterize four different ABA transporters and propose that they act in concert to control ABA release and regulate germination.

    • Joohyun Kang
    • , Sojeong Yim
    •  & Youngsook Lee

  • Article
    | Open Access

    GABA is an important neurotransmitter in animals, and while it accumulates in plants under stress, its potential role in plant signalling was poorly understood. Here, Rameshet al. show that GABA rapidly alters the activity of plant ALMT anion channels modifying root growth and stress tolerance.

    • Sunita A. Ramesh
    • , Stephen D. Tyerman
    •  & Matthew Gilliham

  • Article
    | Open Access

    In plants, ascorbate is synthesized in the mitochondria yet plays essential roles as an antioxidant in the chloroplast. Here, Miyaji et al.show that AtPHT4;4 is a chloroplast envelope ascorbate transporter and suggest it is required for dissipation of excess energy under light stress.

    • Takaaki Miyaji
    • , Takashi Kuromori
    •  & Yoshinori Moriyama

  • Article |

    Phloem is responsible for long-distance transport of molecules in plants and conducting phloem cells are joined by sieve areas that facilitate cell-to-cell transport. Here the authors identify mutations in the gene encoding CHOLINE TRANSPORTER-LIKE1 that cause abnormalities in sieve areas and impaired phloem conduction.

    • Jan Dettmer
    • , Robertas Ursache
    •  & Ykä Helariutta

  • Article
    | Open Access

    The plant hormone auxin is essential for plant development and growth and is transported across cellular membranes via specialized transporter proteins. In this study, Ranocha et al. identify the first vacuolar auxin transporter, WAT1, suggesting an involvement of the vacuole in auxin signalling.

    • Philippe Ranocha
    • , Oana Dima
    •  & Deborah Goffner

  • Article
    | Open Access

    Increasing the nutritional content of plant crops and the identification of iron transporters in rice would facilitate the improvement of rice varieties. In this study, the authors identify a mitochondrial iron transporter in rice — MIT — and suggest that this gene is important for rice growth and development.

    • Khurram Bashir
    • , Yasuhiro Ishimaru
    •  & Naoko K. Nishizawa

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