Regardless of taxonomical disquisitions on its yet unraveled phylogenetic relationships within and among taxa [...]

Microsporidia are obligate intracellular parasites of medical and commercial importance, characterized by a severe reduction, or even absence, of cellular components typical of eukaryotes such as mitochondria, Golgi apparatus and flagella. This simplistic cellular organization has made it difficult to infer the evolutionary relationship of Microsporidia to other eukaryotes, because they lack ma...