Microsporidian are a group of ubiquitous and unicellular protaza, and obligate intracellular parasites lacking mitochondria.Currently, There are approximately 150 described genera of microsporidia with over 1200 individual species. Microsporidian do a lot of harm to many agricultural fields,even human beings are also threatened. Historically,it had resulted in the thorough destruction of Silkworm industry in Europe; Morever,lately studies show that microsporidia has cause a variety of infections on human be...