Spastic Paraplegia 55, Autosomal Recessive, also known as hereditary spastic paraplegia 55, is related to neuropathy and 3-methylglutaconic aciduria, type iii, and has symptoms including clonus An important gene associated with Spastic Paraplegia 55, Autosomal Recessive is MTRFR (Mitochondrial Translation Release Factor In Rescue), and among its related pathways/superpathways is Intracellular trafficking proteins involved in CMT neuropathy. Affiliated tissues include eye and skeletal muscle, and related phenotypes are spasticity and hyperreflexia