Motility peritrichous

Irrespective of the type of classification system used, practical classification and identification on a day to day basis must, of necessity, be based on characteristics which are easy and simple to observe and measure. One obvious example is motility, which depends on flagella. Motility/non-motility is a useful differential character, which is easy to observe using simple techniques and is therefore widely used in classification. However, the number and position of the flagella, which may be polar or peritrichous (all round the cell), is also a differential character. To observe these reliably requires an electron microscope, which is not... 

The Dif system is required for production of peritrichous cell-surface appendages called fibrils [134, 135]. These are flexible filaments, 10-30 nm in diameter and up to many times the length of the cell [28, 65], composed of approximately equal amounts of polysaccharide and protein [3, 4]. A fibril protein was recently identified as a zinc metalloprotease [61]. Under the microscope, the fibrils appear to coat the cells and form a cohesive interconnective matrix ([58], Figure 10). Chemical disruption of the fibrils, like that of the pili, results in defective S-motility [2]. In... 

Capable of oxidizing ethanol, grows well on both glucose and lactate if motile, then peritrichous flagellation, e.g. Acetobacter [7]... 

Motility Motile with peritrichous flagella, and related immotile forms... 

Cells are gram negative, rod shaped, measuring 0.4-1.0 by 1.0-2.5 pm, and motile with peritrichous flagella. Colonies are smooth, entire, raised, shiny, and light brown, pink, to dark pinkish on glucose/peptone/yeast extract agar. 

Cells are gram negative, straight rods with round ends, measuring approximately 0.7-0.9 by 1.9-3.1 pm, and motile with peritrichous flagella. Colonies are initially yellowish and become dark orange later, smooth and raised, with entire margin on LGI medium. 

Morphology Long and slender or bent rods or coccobacilli common in chains Motile by peritrichous flagella ... 

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