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Flagellum in Biological News

Marine bacteria's mealtime dash is a swimming success

...or studying marine bacteria in the lab by using microfluidic technology. P. haloplanktis is a rapid swimmer, propelling itself by a single rotating flagellum in bursts of speed up to 500 body lengths per second. (The fastest land animal, the cheetah, travels at bursts of speed up to 30 body lengths per seco...

Genome of marine organism tells of humans' unicellular ancestors

...genome is sequenced. The cells are egg-shaped with a single long tail or flagellum at one end surrounded at its base by a collar of tentacles - choano comes from the Greek word for collar - that capture bacteria. The flagellum propels the choanoflagellate through the water and also washes bacteria tow...
Flagellum in Biological Technology

Microscopic 'clutch' puts flagellum in neutral

BLOOMINGTON, Ind. -- A tiny but powerful engine that propels the bacterium Bacillus subtilis through liquids is disengaged from the corkscrew-like flagellum by a protein clutch, Indiana University Bloomington and Harvard University scientists have learned. Their report appears in this week's Sc...
Flagellum in Biological Definition

Flagellum

A flagellum (plural, flagella) is a whip-like organelle that many unicellular organisms, and some multicellular ones, use to move about. They may also be involved in other processes. The name actually covers three different structures, found in each of the three domains. Bacterial flagell...

Bacterium

...a distinctive helical body that twists about as it moves. Bacterial flagella are arranged in many different ways. Bacteria can have a single polar flagellum at one end of a cell, or they can have clusters of many flagella at one end. Peritrichous bacteria have flagella scattered all over the cell. Many...

Bacterium

...a distinctive helical body that twists about as it moves. Bacterial flagella are arranged in many different ways. Bacteria can have a single polar flagellum at one end of a cell, or they can have clusters of many flagella at one end. Peritrichous bacteria have flagella scattered all over the cell. Many...

Eukaryote

...ular roots. These form a primary component of the cytoskeletal structure, and are often assembled over the course of several cell divisions, with one flagellum retained from the parent and the other derived from it. Centrioles may also be associated in the formation of a spindle during nuclear division. So...

Fungus

...ans of classifying fungi, but are now classified with their ancestral group. Except among the chytrids, where spores are propelled by a posterior flagellum , all fungal spores are non-motile. They develop into new mycelia, which invade some substrate and repeat the life cycle. These may become very large,...

Organelle

... myofibril plastids nucleus peroxisome ribosome vacuole vesicle melanosome Other related structures: flagellum cytosol endomembrane system nucleosome microtubule cell membrane ...

Sperm

...acrosome , (2) cell membrane , (3) nucleus , (4) mitochondria , and (5) flagellum (tail) A sperm cell , or spermatozoon ( pl. spermatozoa ) (in Gr...lity through the production of ATP . The spermatozoan tail is typically a flagellum used for propulsion. In humans, sperm cells consists of a head 5 m by ...
Flagellum in Biological Dictionary

Flagellum

A flagellum is a tail-like structure that projects from the cell body of certain prokaryotic and eukaryotic cells, and functions in locomotion. There are some notable differences between prokaryotic and eukaryotic flagella,... 1 The eukaryotic flagellum . 1.1 Symbiotic/endosymbiotic/exoge...

Spirochetes

...re long and slender bacteria, usually only a fraction of a micron ... Spirochetes are gram negative, helical bacteria possessing an internal flagellum ... All spirochetes divide by binary fission, producing two shorter cells from ... Todar's Online Textbook of Bacteriology chapter on Lyme dis...

Eukaryote

...haride (endotoxin) in eukaryotes . ... Both eukaryotes and bacteria may move with "flagella" - long threadlike ... However, the eukaryote flagellum is completely different in structure from that ... Group that includes the organisms that most people are most familiar with: all animals, ... Cli...

Cilium

... locomotion in free-swimming unicellular ... difference ways between the flagellum and cilium ? ... Cilium - Definition of Cilium at Dictionary.com a... The Proteome of the Mouse Photoreceptor Sensory Cilium Complex . Can flagellum and cilium be located on organelles rather than cells? ... A good e...
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