Plant physiology

Plant physiology is a sub-discipline of botany concerned with the physical, chemical and biological functioning of plants.

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  • News and Views |

    Root growth depends on the shoot-to-root transport of assimilates through the phloem, which is connected to the meristems by plasmodesmata pores. A PHLOEM UNLOADING MODULATOR is now identified to regulate plasmodesmata internal organisation, leading to pores that appear tighter but are more efficient for transport.

    • Sam Amsbury
    •  & Yoselin Benitez-Alfonso
    Nature Plants 5, 561-562
  • News and Views |

    A new protein degradation pathway driven by late-endosome-localized MULTIDRUG AND TOXIC COMPOUND EXTRUSION (MATE) efflux transporters opposes autophagy at the onset of senescence. Paradoxically, the new pathway requires a central component of autophagy.

    • Ulrike Zentgraf
    Nature Plants 5, 129-130
  • News and Views |

    The vacuole is a plant’s major phosphate (Pi) pool. Cellular Pi homeostasis highly depends on shuttling Pi between vacuoles and the cytosol. Glycerol 3-phosphate transporter types have now been identified as tonoplast-localized vacuolar Pi efflux transporters, integrating vacuolar Pi transport systems in plants.

    • Mingda Luan
    •  & Wenzhi Lan
    Nature Plants 5, 9-10