Physiological and molecular evidence for Pi uptake via the symbiotic pathway in a reduced mycorrhizal colonization mutant in tomato associated with a compatible fungus.

@article{Poulsen2005PhysiologicalAM,
  title={Physiological and molecular evidence for Pi uptake via the symbiotic pathway in a reduced mycorrhizal colonization mutant in tomato associated with a compatible fungus.},
  author={Katrine H Poulsen and R{\'e}ka Nagy and Lingling Gao and Sarah E. Smith and Marcel Bucher and Forrest A. Smith and Iver Jakobsen},
  journal={The New phytologist},
  year={2005},
  volume={168 2},
  pages={
          445-54
        }
}
A Lycopersicon esculentum mutant (rmc) is resistant to colonization by most arbuscular mycorrhizal fungi (AMF), but one Glomus intraradices isolate (WFVAM 23) develops arbuscules and vesicles in the rmc cortex. It is unknown whether the symbiotic phosphate (Pi)-uptake pathway is operational in this interaction. Hyphal uptake of (32)Pi and expression of plant Pi transporter genes were investigated in the rmc mutant and its wild-type progenitor (76R) associated with three AMF. Hyphae transferred… CONTINUE READING
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Functional biology of plant phosphate uptake at root and mycorrhiza interfaces.

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