RIP3 and AtKinesin-13A - A novel interaction linking Rho proteins of plants to microtubules

Elena Mucha, Caroline Hoefle, Ralph Hückelhoven, Antje Berken

Research output: Contribution to journalArticlepeer-review

39 Scopus citations

Abstract

RIP3 belongs to a group of recently identified proteins, classified as the ICR/RIP family whose members were described to interact with Rho proteins of plants (ROPs). Our in vivo and in vitro data demonstrate that RIP3 is a true ROP effector, interacting specifically with the active form of ROPs. We found that RIP3 has properties and cellular roles different from the previously described RIP family member ICR1/RIP1. We show that RIP3 is localized at microtubules and interacts with the kinesin-13 family member AtKinesin-13A, suggesting a role for RIP3 in microtubule reorganization and a possible function in ROP-regulated polar growth.

Original languageEnglish
Pages (from-to)906-916
Number of pages11
JournalEuropean Journal of Cell Biology
Volume89
Issue number12
DOIs
StatePublished - Dec 2010

Keywords

  • AtKinesin-13A
  • Cytoskeleton
  • Effector
  • ICR
  • Microtubule
  • Plant
  • Polar growth
  • RIP
  • ROP
  • Rho

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