The process of coupling alanine to alanyl-tRNA in a mitochondrion, catalyzed by alanyl-tRNA synthetase. In tRNA aminoacylation, the amino acid is first activated by linkage to AMP and then transferred to either the 2'- or the 3'-hydroxyl group of the 3'-adenosine residue of the tRNA. (Gene Ontology, GO_0070143)
1 genes participating in the mitochondrial alanyl-trna aminoacylation biological process from the curated GO Biological Process Annotations 2015 dataset.
