Pectinatus cerevisiophilus bacteria

Pectinatus cerevisiophilus bacteria

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Caption: Pectinatus cerevisiophilus. Coloured transmission electron micrograph, of the bacterium Pectinatus cerevisiophilus, isolated from spoilt beer. A Gram-negative bacterium, it belongs to the family Bacterioidaceae. It has lateral flagella (whip- like structures used in locomotion) along one side of the cell only. It ferments carbohydrates such as arabinose, fructose and glucose, as well as glycerol, lactate, maltose and mannitol, to yield organic acids such as acetic, propionic and succinic acids. These acids produce off- flavours, turbidity & ropiness. Other beer spoilage organisms include Candida and Pichia spp. Magnification: x9600 at 6x4. 5cm size.

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Keywords: alcohol, bacteria, bacterial, bacteriology, bacterium, bacteroidaceae, beer, beer spoilage, electron micrograph, micro-organisms, microbe, microbes, microbiology, pectinatus, pectinatus cerevisiiphilus, pectinatus cerevisiophilus, pectinatus sp., spoilage, spoilage organism, tem, transmission

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