endosymbiosis
noun
en·do·sym·bi·o·sis
ˌen-dō-ˌsim-bī-ˈō-səs 
-bē-
-bē-
: symbiosis in which a symbiont dwells within the body of its symbiotic partner
Examples of endosymbiosis in a Sentence
Recent Examples on the Web
Two of these were formed through a process called endosymbiosis, in which a once free-living organism is incorporated into a cell.
—
John Timmer, Ars Technica, 11 Apr. 2024
In more extreme cases, endosymbiosis can become obligatory, with neither organism able to survive without the other.
—John Timmer, Ars Technica, 11 Apr. 2024
Where the ‘powerhouse of the cell’ and chloroplasts come from
Primary endosymbiosis happens when one microbial organism engulfs another.
—Laura Baisas, Popular Science, 18 Apr. 2024
While this is the first time endosymbiosis has been found in vertebrates, it's been observed in lots of other living things, like the nitrogen-fixing bacteria that live on the roots of some plants.
—Valerie Ross, Discover Magazine, 5 Apr. 2011
Understanding the mechanisms that stabilize symbiotic relationships could provide valuable insights into the first eukaryotes, which seem to have evolved from ancient endosymbiosis.
—Quanta Magazine, 7 June 2021
If future studies confirm these findings, this mechanism might have significance beyond the context of endosymbiosis.
—Quanta Magazine, 7 June 2021
The first endosymbiosis occurred when a prokaryote—a single-cell organism without a nucleus—engulfed a bacterium, producing the first eukaryotic cell about 1.7 billion years ago.
—Viviane Callier, Smithsonian, 23 Oct. 2019
So the easiest solution is often for cells with dissimilar abilities and complementary needs to merge, explains John McCutcheon, an endosymbiosis researcher at the University of Montana.
—Quanta Magazine, 3 Oct. 2019
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John Timmer, Ars Technica, 11 Apr. 2024
In more extreme cases, endosymbiosis can become obligatory, with neither organism able to survive without the other.
—John Timmer, Ars Technica, 11 Apr. 2024
Where the ‘powerhouse of the cell’ and chloroplasts come from
Primary endosymbiosis happens when one microbial organism engulfs another.
—Laura Baisas, Popular Science, 18 Apr. 2024
While this is the first time endosymbiosis has been found in vertebrates, it's been observed in lots of other living things, like the nitrogen-fixing bacteria that live on the roots of some plants.
—Valerie Ross, Discover Magazine, 5 Apr. 2011
Understanding the mechanisms that stabilize symbiotic relationships could provide valuable insights into the first eukaryotes, which seem to have evolved from ancient endosymbiosis.
—Quanta Magazine, 7 June 2021
If future studies confirm these findings, this mechanism might have significance beyond the context of endosymbiosis.
—Quanta Magazine, 7 June 2021
The first endosymbiosis occurred when a prokaryote—a single-cell organism without a nucleus—engulfed a bacterium, producing the first eukaryotic cell about 1.7 billion years ago.
—Viviane Callier, Smithsonian, 23 Oct. 2019
So the easiest solution is often for cells with dissimilar abilities and complementary needs to merge, explains John McCutcheon, an endosymbiosis researcher at the University of Montana.
—Quanta Magazine, 3 Oct. 2019
Dictionary Entries Near endosymbiosis
Cite this Entry
“Endosymbiosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/endosymbiosis. Accessed 23 Dec. 2024.
Copy CitationMedical Definition
endosymbiosis
noun
en·do·sym·bi·o·sis
ˌen-dō-ˌsim-bī-ˈō-səs
-bē-
-bē-
plural endosymbioses
-ˌsēz
: symbiosis in which a symbiotic organism lives within the body of its partner
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