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An endosymbiont or endobiont [1] is an organism that lives within the body or cells of another organism. Typically the two organisms are in a mutualistic relationship. Examples are nitrogen-fixing bacteria (called rhizobia ), which live in the root nodules of legumes , single-cell algae inside reef-building corals , and bacterial endosymbionts ...
The endosymbiont underwent cell division independently of the host cell, resulting in many "copies" of the endosymbiont within the host cell. ... Wikipedia® is a ...
Fungal-bacterial endosymbiosis encompasses the mutualistic relationship between a fungus and intracellular bacteria species residing within the fungus. Many examples of endosymbiotic relationships between bacteria and plants, algae and insects exist and have been well characterized, however fungal-bacteria endosymbiosis has been less well described.
The bacterial endosymbiont is inside its body and is surrounded by two cell membranes typical of Gram-negative bacteria, but its cell membrane presents unusual features, such as the presence of phosphatidylcholine, a major membrane lipid (atypical of bacterial membranes), and the highly reduced peptidoglycan layer, which shows reduced or ...
An endophyte is an endosymbiont, often a bacterium or fungus, that lives within a plant for at least part of its life cycle without causing apparent disease. Endophytes are ubiquitous and have been found in all species of plants studied to date; however, most of the endophyte/plant relationships are not well understood.
A symbiosome is formed as a result of a complex and coordinated interaction between the symbiont host and the endosymbiont. [5] At the point of entry into a symbiont host cell, part of the cell's membrane envelops the endosymbiont and breaks off into the cytoplasm as a discrete unit, an organelle-like vacuole called the symbiosome.
The species is an endosymbiont that is present in all species of phloem sap-feeding insects known as psyllids. [5] [6] The endosymbionts occurs in a specialised structure known as the bacteriome. C. ruddii is not completely parasitic in its relationship with its host insect; it supplies the host with some essential amino acids.
N. deltocephalinicola is an obligate endosymbiont—it cannot thrive without being in a leafhopper. It is an intracellular endosymbiont, living within bacteriocytes, cells that are specialized for housing endosymbiotic bacteria. [5] These bacteriocytes comprise an organ called a bacteriome, whose cells host a variety of bacterial endosymbionts. [5]