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Index >>Prokaryotes Microbes >>Myxobacteria

Myxobacteria

Myxobacteria - They are Gram negative coccus like or often fusiform rods, 3-12 µm long, Producing distinct masses of slime in which they live communally. On solid substrates they form communal structures that consist of flat, spreadmg, slimy colonies with lobulated extensions, and are usually called a swarm stage or pseudoplasmodium. They multiply by binary transverse fission.

Under favourable conditions, in majority of them, the vegetative cells aggregate at a number of points in the inner area of the colony, and fruiting bodies then differentiate from these cellular aggregates. Each fruit body is made up of slime and bacterial cells; when mature, it acquires a definite size, form and colour. As the fruiting bodies mature, the cells within them become converted to resting cells, known as myxospores which are frequently referred to as cysts or microcysts. Upon subsequent germination, each myxospore gives rise to a vegetative cell.

 

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