The arbuscular mycorrhizal symbiosis between fungi and plants involves most of the known plant species. We already opened a nuclear genome of the symbiont fungi, Rhizophagus clarus HR1, but it was sti
BACKGROUND: Tunicates represent a key metazoan group as the sister-group of vertebrates within chordates. The six complete mitochondrial genomes available so far for tunicates have revealed distinctiv