Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun Plural form of
endosymbiont .
Etymologies
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Examples
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The existence of obligate bacterial endosymbionts in some present eukaryotes is often presented as a substitute for a mechanism, but they remain bacteria and give not rise to new organelles.
A critique on the endosymbiotic theory for the origin of mitochondria 2007
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It's funny that you mention peroxisomes, as people once thought they were endosymbionts but now evidence seems to point to en origin from the ER.
A critique on the endosymbiotic theory for the origin of mitochondria 2007
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When you have sexual reproduction and endosymbionts are transferred via the female line (as they are nowadays), then endosymbionts try to not end up in male offspring.
A critique on the endosymbiotic theory for the origin of mitochondria 2007
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The host (facultative aerobe implies facultative anaerobe, doesn't it?) could handle aerobic conditions already, presumably because it had peroxisomes as oxygen sink. t's funny that you mention peroxisomes, as people once thought they were endosymbionts but now evidence seems to point to en origin from the ER.
A critique on the endosymbiotic theory for the origin of mitochondria 2007
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I think not because those endosymbionts are still bacteria.
A critique on the endosymbiotic theory for the origin of mitochondria 2007
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They do have a reduced genome, probably the reason why they are obligate endosymbionts in the first place, but you can only call the genome of mitochondria reduced if you accept the endosymbiotic theory.
A critique on the endosymbiotic theory for the origin of mitochondria 2007
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I consider it fairly likely that mitochondria are derived from sulphur bacteria and chloroplasts from cyanobacteria, so I think we can be fairly confident that we know the endosymbionts, but if you don't feel that way, fine by me.
A critique on the endosymbiotic theory for the origin of mitochondria 2007
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The digestive tracts of herbivorous fishes may contain protistan and bacterial endosymbionts that aid in the digestion of the plant material.
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These organisms are often endosymbionts living in the digestive system of multi-celled animals.
Protozoa 2008
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However, some are endosymbionts (species that live within another organism) often engage in multiple fission with many tiny cells produced from a single parent cell released to search out a new host.
Protozoa 2008
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