Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun Plural form of
chlorosome .
Etymologies
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Examples
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The bacteria contain structures called chlorosomes, which contain up to 250,000 chlorophylls.
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The bacteria contain structures called chlorosomes, which contain up to 250,000 chlorophylls.
Nano Tech Wire 2009
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The bacteria contain structures called chlorosomes, which contain up to 250,000 chlorophylls.
Nano Tech Wire 2009
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Cab. thermophilum carries its chlorophyll in antenna-like structures known as chlorosomes, each of which holds an estimated 250,000 chlorophyll molecules.
Penn State Live 2008
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Because they have been so difficult to study, the chlorosomes in green bacteria are the last class of light-harvesting complexes to be characterized structurally by scientists.
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The pictures revealed that chlorophyll molecules inside chlorosomes have a nanotube shape.
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Next, the team isolated chlorosomes from the mutant and the wild-type forms of the bacteria and used cryo-electron microscopy — a type of electron microscopy that is performed at super-cold cryogenic temperatures — to take pictures of the chlorosomes.
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Scientists typically characterize molecular structures using X-ray crystallography, a technique that determines the arrangement of atoms in a molecule and ultimately gives information that can be used to create a picture of the molecule; however, X-ray crystallography could not be used to characterize the chlorosomes in green bacteria because the technique only works for molecules that are uniform in size, shape, and structure.
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Next, the team isolated chlorosomes from the mutant and the wild-type forms of the bacteria and used cryo-electron microscopy -- a type of electron microscopy that is performed at super-cold cryogenic temperatures -- to take pictures of the chlorosomes.
Nano Tech Wire 2009
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"The mutant bacterium's chlorosomes contain only one set of tubes, whereas the wild-type chlorosomes contain many tubes, each arranged in a unique pattern, like those andouille sausages."
Nano Tech Wire 2009
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