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We consider the dynamics of a translocation process of a flexible linearpolymer through a nanopore into an environment of active rods in the {\ittrans} side. Using Langevin dynamics simulations we find that the rodsfacilitate translocation to the {\it trans} side even when there are initiallymore monomers on the {\it cis} than on the {\it trans} side. Structuralanalysis of the translocating polymer reveals that active rods induce a foldedstructure to the {\it trans}-side subchain in the case of successfultranslocation events. By keeping the initial number of monomers on the {\itcis}-side subchain fixed, we map out a state diagram for successful events as afunction of the rod number density for a variety of system parameters. Thisreveals competition between facilitation by the rods at low densities andcrowding that hinders translocation at higher densities.

Polymer translocation in an environment of active rods