Chlamydomonas TEM 17
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Dartmouth Electron Microscope Facility, Dartmouth College
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Transmission electron microscope image, showing an example of green algae (Chlorophyta).
Chlamydomonas reinhardtii is a unicellular flagellate used as a model system in molecular genetics work and flagellar motility studies.
This image is a thin x-section cut through the isolated axoneme. Chlamydomonas flagella have the "9+2" structure characteristic of all eukaryotic cells. The axoneme has a central unit containing two single microtubules and nine peripheral doublet microtubules (known as the "9+2"). Dynein sidearms project from the A tubule of each doublet. Also visible in this image are the radial spokes and the inner sheath.
Chlamydomonas reinhardtii is a unicellular flagellate used as a model system in molecular genetics work and flagellar motility studies.
This image is a thin x-section cut through the isolated axoneme. Chlamydomonas flagella have the "9+2" structure characteristic of all eukaryotic cells. The axoneme has a central unit containing two single microtubules and nine peripheral doublet microtubules (known as the "9+2"). Dynein sidearms project from the A tubule of each doublet. Also visible in this image are the radial spokes and the inner sheath.
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Released into the public domain
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Public domain
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Source and public domain notice at http://remf.dartmouth.edu/imagesindex.html
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AxonemaAxonema je svazek mikrotubulů uvnitř bičíků a řasinek eukaryotních organismů. Obvykle se skládá z jednoho centrálního páru mikrotubulů a devíti dalších párů uspořádaných v kruhu kolem něho (9×2+2). Axonemy fungují primárně jako organizační centrum pohybu bičíku. .. pokračovat ve čtení