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Bacterial Flagellum - an overview | ScienceDirect Topics
- https://www.sciencedirect.com/topics/immunology-and-microbiology/bacterial-flagellum
- The bacterial flagellum is an apparatus of motility commonly found among motile species. The flagellum is a supramolecular structure composed of about 20 protein components and divided into three substructures: the filament, the hook and the basal body. The filament is a helix, which takes on several distinct forms under various conditions.
The flagellum in bacterial pathogens: For motility and a …
- https://pubmed.ncbi.nlm.nih.gov/26541483/
- The bacterial flagellum is an amazingly complex molecular machine with a diversity of roles in pathogenesis including reaching the optimal host site, colonization or invasion, maintenance at the infection site, and post-infection dispersal. Multi …
The Role of the Bacterial Flagellum in Adhesion and …
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4009794/
- Bacteria can have one flagellum or several, and they can be either polar (one or several flagella at one spot) or peritrichous (several flagella all over the bacterium). In addition to motility, flagella possess several other functions that differ between bacteria and during the bacterial life cycle: a flagellum can, for example, participate in ...
The bacterial flagellum and flagellar motor: structure, …
- https://pubmed.ncbi.nlm.nih.gov/1882727/
- The bacterial flagellum is a complex multicomponent structure which serves as the propulsive organelle for many species of bacteria. Rotation of the helical flagellar filament, driven by a proton-powered motor embedded in the cell wall, enables the flagellum to function as a screw propeller. It seem …
Bacterial Flagellar Filament: A Supramolecular …
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8306008/
- Abstract. The bacterial flagellum is a complex and dynamic nanomachine that propels bacteria through liquids. It consists of a basal body, a hook, and a long filament. The flagellar filament is composed of thousands of copies of the protein flagellin (FliC) arranged helically and ending with a filament cap composed of an oligomer of the protein ...
Bacterial Flagellum - ARN
- http://www.arn.org/origins/GRAPHICS-CAPTIONS/Flagellum.html
- In 1973 it was discovered that some bacteria swim by rotating their flagella. So the bacterial flagellum acts as a rotary propellor -- in contrast to the cilium, which acts more like an oar. The structure of a flagellum is quite different from that of a cilium. The flagellum is a long, hairlike filament embedded in the cell membrane.
Bacterial Flagella Structure, importance and examples
- https://www.labtestsguide.com/bacterial-flagella
- Flagella are helix-shaped structures made up of subunits of a protein called flagellin. The widest region at the base of the flagellum is called the hook. It is different in structure from that of the filament. The hook connects the filament to the motor part of the flagellum called the basal body. The basal body is anchored in the cytoplasmic ...
Bacterial Flagellum: Visualizing the Complete Machine In …
- https://www.sciencedirect.com/science/article/pii/S096098220602286X
- Structural studies have been carried out piecemeal on parts of the flagellum. We have atomic models for the entire filament , domains of the hook subunit , and domains of FliM, FliG, and FliN .We have molecular resolution structures for the hook , the rotor , and the cap .The composite structure shown in Figure 1 reveals the stunning complexity of the flagellum, but the …
Molecular structure of the intact bacterial flagellar basal …
- https://www.nature.com/articles/s41564-021-00895-y
- Abstract. The bacterial flagellum is a macromolecular protein complex that enables motility in many species. Bacterial flagella self-assemble a strong, multicomponent drive shaft that couples ...
Flagella: Structure, Arrangement, Function • Microbe Online
- https://microbeonline.com/bacterial-flagella-structure-importance-and-examples-of-flagellated-bacteria/
- Bacteria lacking flagella are called atrichous. Structure. The long helical filament of bacterial flagella is composed of many subunits of a single protein, flagellin, arranged in several intertwined chains. A flagellum consists of several components and moves by rotation, much like a propeller of a boat motor. The base of the flagellum is ...
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