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A flagellum (/ f l ə ˈ dʒ ɛ l əm /; pl.: flagella) (Latin for 'whip' or 'scourge') is a hair-like appendage that protrudes from certain plant and animal sperm cells, from fungal spores (), and from a wide range of microorganisms to provide motility.
A polar organelle is a structure at a specialised region of the bacterial polar membrane that is associated with the flagellar apparatus. [ 1 ] [ 2 ] This flagellum-associated structure can easily be distinguished from the other membrane regions in ultrathin sections of embedded bacteria by electron microscopy when the cell membrane is ...
The "typical", early-discovered Vibrio species, such as V. cholerae, have a single polar flagellum (monotrichous) with sheath. Some species, such as V. parahaemolyticus and V. alginolyticus , have both a single polar flagellum with sheath and thin flagella projecting in all directions (peritrichous), and the other species, such as V. fischeri ...
Bradyrhizobium species are Gram-negative bacilli (rod-shaped) with a single subpolar or polar flagellum.They are common soil-dwelling micro-organisms that can form symbiotic relationships with leguminous plant species where they fix nitrogen in exchange for carbohydrates from the plant.
Vibrio parahaemolyticus (V. parahaemolyticus) is a curved, rod-shaped, Gram-negative bacterial species found in the sea and in estuaries which, when ingested, may cause gastrointestinal illness in humans. [1]
The cells are rods [2] and it has one polar flagellum. It is aerobic. References External links. Sphingomonas adhaesiva". The Encyclopedia of Life. Type strain ...
Magnetospirillum is a Gram-negative, microaerophilic genus of magnetotactic bacteria, first isolated from pond water by the microbiologist R. P. Blakemore in 1975. [2] [3] They have a spiral (helical) shape and are propelled by a polar flagellum at each end of their cells.
Pseudomonas proteolytica is a psychrophilic, Gram-negative, motile with a polar flagellum, rod-shaped bacterium isolated from cyanobacterial mats in Antarctica. [ 1 ] References