Ecology

Habitat

Depth range based on 43 specimens in 8 taxa.
Water temperature and chemistry ranges based on 2 samples.

Environmental ranges
  Depth range (m): 1.5 - 50
  Temperature range (°C): 18.237 - 23.636
  Nitrate (umol/L): 0.325 - 2.459
  Salinity (PPS): 35.475 - 35.785
  Oxygen (ml/l): 4.855 - 5.382
  Phosphate (umol/l): 0.110 - 0.306
  Silicate (umol/l): 0.756 - 3.559

Graphical representation

Depth range (m): 1.5 - 50

Temperature range (°C): 18.237 - 23.636

Nitrate (umol/L): 0.325 - 2.459

Salinity (PPS): 35.475 - 35.785

Oxygen (ml/l): 4.855 - 5.382

Phosphate (umol/l): 0.110 - 0.306

Silicate (umol/l): 0.756 - 3.559
 
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Evolution and Systematics

Functional Adaptations

Functional adaptation

Sticky proteins serve as glue: green mussel
 

Byssus threads of the green mussel attach to a wet, solid surface due to glycosylated hydroxytryptophan in one of its adhesive proteins.

     
  "The 3,4-dihydroxyphenyl-L-alanine (Dopa)-containing proteins of mussel byssus play a critical role in wet adhesion and have inspired versatile new synthetic strategies for adhesives and coatings. Apparently, however, not all mussel adhesive proteins are beholden to Dopa chemistry. The cDNA-deduced sequence of Pvfp-1, a highly aromatic and redox active byssal coating protein in the green mussel Perna viridis, suggests that Dopa may be replaced by a post-translational modification of tryptophan. The N-terminal tryptophan-rich domain of Pvfp-1 contains 42 decapeptide repeats with the consensus sequences ATPKPW1TAW2K and APPPAW1TAW2K. A small collagen domain (18 Gly-X-Y repeats) is also present. Tandem mass spectrometry of isolated tryptic decapeptides has detected both C2-hexosylated tryptophan(W1) and C2-hexosylated hydroxytryptophan(W2), the latter of which is redox active.The UV absorbance spectrum of W2 is consistent with 7-hydroxytryptophan, which represents an intriguing new theme for bioinspired opportunistic wet adhesion." (Zhao et al. 2009:23344)

  Learn more about this functional adaptation.
  • Zhao, H; Sager, J; Hwang, DS, Waite, JH. 2009. Glycosylated hydroxytryptophan in a mussel adhesive protein from Perna viridis. Journal of Biological Chemistry. 284(35): 23344-23352.
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
Specimen Records:297
Specimens with Sequences:246
Specimens with Barcodes:190
Species:5
Species With Barcodes:4
Public Records:150
Public Species:4
Public BINs:6
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Source: Barcode of Life Data Systems (BOLD)

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Barcode data

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Source: Barcode of Life Data Systems (BOLD)

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Wikipedia

Perna (genus)

Perna is a genus of mussels, marine bivalve molluscs in the family Mytilidae.[1]

Species

Species within the genus Perna include:[1]

Species brought into synonymy

References

  1. ^ a b c Gofas, S. (2010). Perna Philipsson, 1788. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=138229 on 16 August 2012
  2. ^ Wood, Ann R.; Apte, Smita; MacAvoy, Elizabethylogeny of the marine mussel genus Perna (Bivalvia: Mytilidae) based on nuclear (ITS1&2) and mitochondrial (COI) DNA sequences S.; Gardner, Jonathan P.A. "A molecular phylogeny of the marine mussel genus Perna (Bivalvia: Mytilidae) based on nuclear (ITS1&2) and mitochondrial (COI) DNA sequences". Molecular Phylogenetics and Evolution 44 (2): 685–698. doi:10.1016/j.ympev.2006.12.019. Retrieved 16 August 2012. 

Further reading

  • Siddall S.E. 1980. A clarification of the genus Perna. Bulletin of Marine Science 30: 858-870
  • Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 180-213
  • Huber M. (2010) Compendium of bivalves. A full-color guide to 3,300 of the world’s marine bivalves. A status on Bivalvia after 250 years of research. Hackenheim: ConchBooks. 901 pp., 1 CD-ROM.
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