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Abstract:
We reconstructed the complete mitochondrial genomes of six higher termite species from metagenomic datasets of their isolated hindgut compartments. The sequencing reads were retrieved and assembled with the mitochondrial-baiting and iterative-mapping algorithm (MITObim), which yielded closed mitogenomes without additional finishing efforts (average coverage ranging from 2300- to 17,000-fold). The genomes ranged from 16.1 to 17.6 kbp in size and had G+C contents between 32 and 35 mol%; each contained the same 37 genes present also in the mitochondria of other termite species. Our study substantially increases the number of termite mitogenomes available for phylogenetic studies and offers a facile strategy for identifying host species in metagenomic studies of their associated microbiota.
