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Budding Bacteria

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budding bacteria

Group of bacteria that reproduce by budding. Each bacterium divides following unequal cell growth; the mother cell is retained, and a new daughter cell forms. In budding, the cell wall grows from one point on the cell rather than throughout the cell; this type of growth permits the development of more complex structures and processes. Most budding bacteria are aquatic and can attach to surfaces by their stalks; some are free-floating.


budding bacteria [′bəd·iŋ bak′tir·ē·ə]
(microbiology)
Bacteria that reproduce by budding.

Budding Bacteria 

a group of bacteria that reproduce by budding. The spindle-shaped cell (0.5 × 1-2 microns) of the heterotrophic microorganism Hyphomicrobium, which lives in fresh and salt waters, grows a long, sometimes branched, filament. An oval bud with a polar flagellum forms at the tip of the filament. After separating from the filament, the bud is motile in the water. Budding bacteria also include the photosynthetic Rhodomicrobium, in which the bud formed at the end of the filament has flagella over its entire surface. Reproduction by budding (along with cell division and binary fission) is observed not only in budding bacteria but also in Mycobacterium, which are related to actinomycetes.



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