Molecular Plant-Microbe Interactions (Sep 1999)

Rhizobium Nod Factors Induce an Increase in Sub-apical Fine Bundles of Actin Filaments in Vicia sativa Root Hairs within Minutes

  • Norbert C. A. de Ruijter,
  • Ton Bisseling,
  • Anne Mie C. Emons

DOI
https://doi.org/10.1094/MPMI.1999.12.9.829
Journal volume & issue
Vol. 12, no. 9
pp. 829 – 832

Abstract

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We studied the response of the actin cytoskeleton in vetch root hairs after application of host-specific Nod factor. Within 3 to 15 min, the number of sub-apical fine bundles of actin filaments (FB-actin) increased in all developmental stages. Tip growth resumed only in hairs in which the FB-actin density and the length of the region with FB-actin exceeded a minimal value.