The evolutionary origins of the microsporidia, a group of intracellular eukaryotic pathogens, have been unclear. Genome analysis of a sex locus and other gene clusters has now revealed conserved synteny with zygomycete fungi, indicating that microsporidia are true fungi descended from a zygomycete ancestor.

We describe a case of microsporidial myositis in a healthy man from Thailand. The small subunit rRNA sequence of this microsporidium is novel and has a close phylogenetic relationship with Endoreticulatus, a genus of lepidopteran microsporidia. Myositis could be caused by more genera of microsporidia than previously known.

Microsporidia have attracted much attention because they infect a variety of species ranging from protists to mammals, including immunocompromised patients with AIDS or cancer. Aside from the study on Nosema ceranae, few works have focused on elucidating the mechanism in host response to microsporidia infection. Nosema bombycis is a pathogen of silkworm pébrine that causes great economic losses...

background: encephalitozoon cuniculi infects a wide range of homoeothermic animals, including man. complications due to this microsporidian have been reported only in immunocompromised patients. reports on e. cuniculi in immunocompetent humans are lacking, most probably, because it is not linked to any clinical manifestations in such hosts. the present work was carried out with the aim of study...

Freshwater mussels of the order Unionida are among most endangered animal groups globally, but causes their population decline often enigmatic, with little known about role disease. In 2018, we collected wild adult pheasantshell (Actinonaias pectorosa) and mucket ligamentina) during an epidemiologic survey investigating ongoing mussel mass mortality event in Clinch River, Virginia Tennessee, US...

objective: microsporidia are ubiquitous opportunistic pathogens infecting all animal phyla. the purpose of this study was to characterization human-associated microsporidia in pigeons of tehran by staining and molecular methods. materials and methods: in the year 2010 a total of 147 pigeon’s fecal samples were randomly collected from bird stores and public parks of tehran and screened for the ...