whiplash beat

Euglena (you-glean-a) is the iconic genus of euglenoid flagellates. The body is typically spindle-shaped, although two flagella arise in a pocket within the cell only one emerges (and sometimes none). The body can squirm, and the cell has one to many chloroplasts. At the anterior of the body a thin channel (flagellar canal) leads to the flagellar pocket, and alongside this is a contractile vacuole. A red eyespot or stigma is assoicated with the bottom of the flagellar canal. This image is included to show the pattern of beat of the flagellum. It is called a whiplash beat because a loop is made to progress along the flagellum. Flagella are usually held pointed to the side and slightly to the rear. The progression of the loop along the flagellum makes the cell move forward in a spiral path. Phase contrast.  This picture was taken by David Patterson and Aimlee Laderman of material collected from a freshwater Atantic white cedar swamp at Cumloden near Woods Hole in Massachusetts, USA in spring and summer, 2001. Image copyright: D. J. Patterson and Aimlee Ladermann, image used under license to MBL (micro*scope).

Euglena

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Euglena in this collection

Euglena portrait

Euglena in other collections

Euglena acus, from Freshwater and Terrestrial Microbes of Idaho (USA) and Elsewhere	Euglena viridis, from Freshwater and Terrestrial Microbes of Idaho (USA) and Elsewhere	Euglena acus, from Freshwater and Terrestrial Microbes of Idaho (USA) and Elsewhere	Euglena acus, from Freshwater and Terrestrial Microbes of Idaho (USA) and Elsewhere	Euglena caudata, from Protozoan biomonitors in China
Euglena chlamydophora, from Protozoan biomonitors in China	Euglena clara, from Protozoan biomonitors in China	Euglena clavata, from Protozoan biomonitors in China	Euglena deses, from Protozoan biomonitors in China	Euglena ehrenbergii, from Protozoan biomonitors in China
Euglena gasterosteus, from Protozoan biomonitors in China	Euglena geniculata, from Protozoan biomonitors in China	Euglena gracilis, from Protozoan biomonitors in China	Euglena intermedia, from Protozoan biomonitors in China	Euglena interrupta, from Protozoan biomonitors in China
Euglena lucens, from Protozoan biomonitors in China	Euglena mutabilis, from Protozoan biomonitors in China	Euglena oxyuris, from Protozoan biomonitors in China	Euglena pisciformis, from Protozoan biomonitors in China	Euglena proxima, from Protozoan biomonitors in China
Euglena sanguinea, from Protozoan biomonitors in China	Euglena spirogyra, from Protozoan biomonitors in China	Euglena tripteris, from Protozoan biomonitors in China	Euglena tristella, from Protozoan biomonitors in China	Euglena viridis, from Protozoan biomonitors in China
Euglena mutabilis, from Microbes of Beauchamp hot springs	Euglena, from Microbes of Convict Lake	Euglena acus, from Images by Guy Brugerolle	Euglena, from ATOL protistology workshop 2005	Euglena, from ATOL protistology workshop 2005
Euglena, from ATOL protistology workshop 2005	Euglena, from Protsville	Euglena gracilis, from Protsville	Euglena oxyuris, from Protsville	Euglena sanguinea, from Cranberry bog
Euglena sanguinea, from Cranberry bog	Euglena sanguinea, from Cranberry bog	Euglena velata, from Cranberry bog	Euglena velata, from Cranberry bog	Euglena velata, from Cranberry bog
Euglena, from Protsville drawings of freshwater protists	Euglena mutabilis, from Lamont Pond, freshwater, New York	Euglena sanguinea, from Freshwater and Terrestrial Microbes of Idaho (USA) and Elsewhere	Euglena sanguinea, from Freshwater and Terrestrial Microbes of Idaho (USA) and Elsewhere	Euglena sanguinea, from Freshwater and Terrestrial Microbes of Idaho (USA) and Elsewhere
Euglena gigas, from Freshwater and Terrestrial Microbes of Idaho (USA) and Elsewhere	Euglena gigas, from Freshwater and Terrestrial Microbes of Idaho (USA) and Elsewhere	Euglena, from Freshwater and Terrestrial Microbes of Idaho (USA) and Elsewhere	Euglena tripteris, from Freshwater and Terrestrial Microbes of Idaho (USA) and Elsewhere	Euglena spirogyra, from Freshwater and Terrestrial Microbes of Idaho (USA) and Elsewhere
Euglena mutabilis, from Lamont Pond, freshwater, New York	Euglena, from Yellowstone National Park (Wyoming, USA)	Euglena, from Lamont Pond, freshwater, New York	Euglena, from Euglenids at Yellowstone	Euglena, from Euglenids at Yellowstone
Euglena agilis, from Freshwater euglenids - NW Australia	Euglena agilis, from Freshwater euglenids - NW Australia	Euglena, from Freshwater euglenids - NW Australia	Euglena, from Freshwater euglenids - NW Australia	Euglena ehrenbergii, from Freshwater euglenids - NW Australia
Euglena ehrenbergii, from Freshwater euglenids - NW Australia	Euglena ehrenbergii, from Freshwater euglenids - NW Australia	Euglena gracilis, from Freshwater euglenids - NW Australia	Euglena, from Freshwater euglenids - NW Australia	Euglena mutabilis, from Freshwater euglenids - NW Australia
Euglena mutabilis, from Freshwater euglenids - NW Australia	Euglena mutabilis, from Freshwater euglenids - NW Australia	Euglena oblonga, from Freshwater euglenids - NW Australia	Euglena sanguinea, from Freshwater euglenids - NW Australia	Euglena sanguinea, from Freshwater euglenids - NW Australia
Euglena spirogyra, from Freshwater euglenids - NW Australia	Euglena velata, from Freshwater euglenids - NW Australia	Euglena velata, from Freshwater euglenids - NW Australia	Euglena velata, from Freshwater euglenids - NW Australia	Euglena velata, from Freshwater euglenids - NW Australia
Euglena fusca, from Lake Toolik, Arctic Alaska	Euglena oxyuris, from Audley Bottom	Euglena oxyuris, from Audley Bottom	Euglena gracilis, from American Type Culture Collection	Euglena mutabilis, from Rio Tinto, acidic river, Spain
Euglena, from Lake Toolik, Arctic Alaska	Euglena oxyuris, from Athens, Georgia, USA	Euglena deses, from Freshwater and Terrestrial Microbes of Idaho (USA) and Elsewhere	Euglena oxyuris, from Athens, Georgia, USA	Euglena mutabilis, from Athens, Georgia, USA
Euglena, from Athens, Georgia, USA	Euglena mutabilis, from Rio Tinto, acidic river, Spain	Euglena gracilis, from American Type Culture Collection	Euglena mutabilis, from Davis Mine, USA	Euglena mutabilis, from Rio Tinto, acidic river, Spain
Euglena oxyuris, from Athens, Georgia, USA	Euglena oxyuris, from Athens, Georgia, USA	Euglena deses, from Little Sippewissett salt marsh, Massachusetts, USA	Euglena oxyuris, from Athens, Georgia, USA	Euglena oxyuris, from Athens, Georgia, USA