Paramural body

Paramural bodies are membranous or vesicular structures located between the cell walls and cell membranes of plant and fungal cells.[1][2] When these are continuous with the cell wall, they are termed lomasomes, while they are referred to as plasmalemmasomes if associated with the plasmalemma.[3][4]

## Function

While their function has not yet been studied in great detail, it has been speculated that due to the morphological similarity of paramural bodies to the exosomes produced by mammalian cells, they may perform similar functions such as membrane vesicle trafficking between cells.[5] Current evidence suggests that, like exosomes, paramural bodies are derived from multivesicular bodies.[5]

## See also

* Exosome
* Endosome
* Golgi apparatus

## References

1. ↑ Girbardt, Manfred (1957). "Uber die Substruktur von Polystictus versicolor L.". Archives of Microbiology 28 (3): 255–269. doi:10.1007/BF00411497. Bibcode: 1957ArMic..28..255G.
2. ↑ Girbardt, M. (1961). "Licht- und elektronenmikroskopische Untersuchungen an Polystictus versicolor". Archives of Microbiology 39 (4): 351–359. doi:10.1007/BF00411774.
3. ↑ Dillon, Lawrence S. (1981). Ultrastructure, Macromolecules, and Evolution. Boston, MA: Springer US. ISBN 9781461331476.
4. ↑ Lackie, J.M. (2013). The dictionary of cell and molecular biology (5th ed.). London: Academic Press. p. 382. ISBN 978-0-12-384931-1.
5. ↑ 5.0 5.1 An, Qianli; van Bel, Aart; Hückelhoven, Ralph (2007). "Do Plant Cells Secrete Exosomes Derived from Multivesicular Bodies?". Plant Signaling & Behavior 2 (1): 4–7. doi:10.4161/psb.2.1.3596. PMID 19704795. Bibcode: 2007PlSiB...2....4A.

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