List of symbiotic relationships

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This is an incomplete list of notable mutualistic symbiotic relationships, in which different species have a cooperative or mutually dependent relationship. This relationship can be endosymbiotic, whereby an organism resides in another's body or cells.

Some of these relationships are so close that we speak of the composite of two species as one unit; for example, we speak of the composite of algae and fungi as lichens. This is analogous to our speaking of a modulator and a demodulator as a modem.

Endosymbiotic relationships[edit]

Symbiosis by luciEndosymbiontRole of endosymbiontRole of host
Euprymna scolopes (Mollusca)Vibrio fischeriCounter-illumination via bioluminescence[1]Reproduction
LegumesRhizobiaNitrogen-Relationship with the symbiotic hostOrganic acids (principally as the dicarboxylic acids malate and succinate)
AnglerfishBioluminescent bacteriaBioluminescent lure for prey captureProtection
Vascular plantsmycorrhizaeSequestering of phosphate ions from soil, disease protectionPhotosynthates
Parasitoid waspsPolydnavirusImmune suppression of parasite hostPropagation of the virus
Poaceae (grasses)Endophytic fungiDisease prevention, Drought tolerance[2]Photosynthates

Autotrophic endosymbioses[edit]

HostEndosymbiontRole of endosymbiontRole of host
Coral (Cnidaria)ZooxanthellaePhotosynthatesProtection, inorganic nutrients
Foraminifera (protists)Variety of algaePhotosynthatesLocomotion, protection, inorganic nutrients
Sponges (Porifera)Variety of algae (Often green-algae)PhotosynthatesProtection, inorganic nutrients
Hydra viridis (Cnidaria)ChlorellaPhotosynthates[3]Inorganic nutrients
Elysia viridis (Mollusca)Codium fragilePhotosynthates[4]Locomotion, protection, inorganic nutrients
Convoluta roscoffensis (Platyhelminthes, traditionally)Tetraselmis convolutaePhotosynthatesLocomotion, protection, inorganic nutrients
Pompeii worm Alvinella pompejana (Annelida)Thermophilic chemoautotrophic bacteriaInsulation, chemosynthatesLocomotion, inorganic nutrients
Mole salamandersOophilaOxygen (from photosynthesis)Carbon dioxide (from respiration)
Riftia pachyptila (Annelida)Bacteria
Solemya velum (Mollusca)Sulfur-oxidizing chemoautotrophic bacteria[5]
Orphium FrutescensXylocopa violacea (Female Carpenter Bee)nutrients for larvaeLocomotion of Reproduction

Digestive endosymbioses[edit]

Other symbiotic relationships[edit]

See also[edit]

References[edit]

  1. ^ Young, R.E. & C.F. Roper 1976. Bioluminescent countershading in midwater animals: evidence from living squid. Science 191(4231): 1046–1048.1251214
  2. ^ http://www.uri.edu/ce/factsheets/sheets/endophyte.html
  3. ^ Matthias Habetha et al. The Hydra viridis / Chlorella symbiosis.
  4. ^ R.K. Trench, J.E. Boyle and D.C. Smith (1973). "The Association between Chloroplasts of Codium fragile and the Mollusc Elysia viridis. I. Characteristics of isolated Codium chloroplasts". Proceedings of the Royal Society of London. Series B, Biological Sciences 184 (1074): 51–61. doi:10.1098/rspb.1973.0030.
  5. ^ http://www.springerlink.com/content/e24615311h534725/fulltext.pdf
  6. ^ Douglas, A E (1998). "Nutritional interactions in insect-microbial symbioses: Aphids and their symbiotic bacteria Buchnera". Annual Review of Entomology 43: 17–38. doi:10.1146/annurev.ento.43.1.17. PMID 15012383. ISSN 00664170. 
  7. ^ http://crocodilian.blogspot.com/2009/09/crocodile-myths-1-curious-trochilus.html
  8. ^ Brock DA, Douglas TE, Queller DC, Strassmann JE (20 January 2011 2011). "Primitive agriculture in a social amoeba". Nature 469 (7330): 393–396. doi:10.1038/nature09668. PMID 21248849.