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Arabidopsis Synaptotagmin 1 Is Required for the Maintenance of Plasma Membrane Integrity and Cell Viability[W]
It is shown that loss of function of the homologous Arabidopsis thaliana Synaptotagmin 1 protein (SYT1) reduces the viability of cells as a consequence of a decrease in the integrity of the plasma membrane.
The Signal Transducer NPH3 Integrates the Phototropin1 Photosensor with PIN2-Based Polar Auxin Transport in Arabidopsis Root Phototropism[C][W]
BL-induced root phototropism is based on the phot1/NPH3 signaling pathway, which stimulates the shootward auxin flux by modifying the subcellular targeting of PIN2 in the root apex transition zone.
Hydraulic and electrical transmission of wound-induced signals in Vitis vinifera
- S. Mancuso
Results support the hypothesis that both ion channels and pumps are involved in variation potential depolarisation and demonstrate that action and variation potentials differ both in their mechanism of propagation and electrogenic nature.
Plant neurobiology: an integrated view of plant signaling.
Modulation of P-glycoproteins by Auxin Transport Inhibitors Is Mediated by Interaction with Immunophilins*
The data support a novel model for the mode of drug-mediated P-glycoprotein regulation mediated via protein-protein interaction with immunophilin-like TWD1, which mediate modulation of PGP1 efflux activity by these auxin transport inhibitors.
Identification of an ABCB/P-glycoprotein-specific Inhibitor of Auxin Transport by Chemical Genomics*
BUM is complementary to NPA by having distinct ABCB target spectra and impacts on basipetal polar auxin transport in the shoot and root, and is a bona fide human ABCB inhibitor with the potential to restrict multidrug resistance during chemotherapy.
Regulation of ABCB1/PGP1‐catalysed auxin transport by linker phosphorylation
Evidence is provided that PID phosphorylation has a dual, counter‐active impact on ABCB1 activity that is coordinated by TWD1–PID interaction.
Immunophilin-like TWISTED DWARF1 Modulates Auxin Efflux Activities of Arabidopsis P-glycoproteins*
Evidence at the cellular and plant levels that TWD1 controls PGP-mediated auxin transport is provided, suggesting a novel mode of PGP regulation via FK506-binding protein-like immunophilins, implicating possible alternative strategies to overcome multidrug resistance.
MDR‐like ABC transporter AtPGP4 is involved in auxin‐mediated lateral root and root hair development
Assessing the role of root plasma membrane and tonoplast Na+/H+ exchangers in salinity tolerance in wheat: in planta quantification methods.
It is shown that active efflux of Na+ from wheat root epidermal cells is mediated by a SOS1-like homolog, energized by the plasma membrane H+-ATPase, and highest in Kharchia 65, a salt-tolerant bread wheat cultivar.