Pasteuria ramosa

الوصف:

Description: English: Spores of the bacterial endoparasite Pasteuria ramosa as seen with phase-contrast microscopy. The mature spores (light color) are about 5.5 µm in diameter. Earlier spore stages (grape-seed stage) are smaller. The host is Daphnia magna. Date: 10 June 2004. Source: Own work. Author: Dieter Ebert, Basel, Switzerland.