Why cows burp methane: new ‘cellular organ’ discovered in gut microbes

The newly discovered organelle was found in ciliates (like this Entodinium caudatum ). These eukaryotic organisms live in the rumen of herbivores. Credit: Chuanqi Jiang, Jinying He & Che Hu/Inst. of Hydrobiology, CAS Scientists have identified a new type of cellular organelle inside microbes that live in the guts of ruminant animals such as sheep and cows. …