Overview

Comprehensive Description

Although there are a number of described Aequorea species, much uncertainty remains regarding their taxonomy and nomenclature. By far the best known species is A. victoria of the northeastern Pacific, which under some conditions can produce a greenish light around the margin of its bell. Aequorea victoria jellyfish are nearly transparent. They are around 8 to 10 cm in diameter and 50 g, with light organs consist of about 100 granules distributed evenly along the edge of the bell (Shimomura 1995). This is the jellyfish from which the luminescent protein aequorin and the associated fluorescent molecule Green Fluorescent Protein (GFP) were extracted and purified (and eventually cloned). GFP has proved to be an invaluable marker protein in molecular biology and biomedical research and aequorin is used as a calcium probe; three researchers shared the 2008 Nobel Prize in Chemistry for their roles in discovering GFP and developing it as a valuable research tool.

For more information about Aequorea and GFP, see this excellent resource by jellyfish expert Claudia Mills. Zimmer (2009) and Tsuji (2010) review the discovery and development of GFP and Zimmer's Green Fluorescent Protein website can be explored here. A more personal account of these discoveries is provided by Shimomura (1995, 2005), who pioneered work on Aequorea.

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Ecology

Habitat

Depth range based on 255 specimens in 12 taxa.
Water temperature and chemistry ranges based on 241 samples.

Environmental ranges
  Depth range (m): 0 - 4963
  Temperature range (°C): 1.802 - 22.575
  Nitrate (umol/L): 0.666 - 37.225
  Salinity (PPS): 31.893 - 36.323
  Oxygen (ml/l): 0.430 - 7.464
  Phosphate (umol/l): 0.092 - 2.654
  Silicate (umol/l): 1.297 - 152.509

Graphical representation

Depth range (m): 0 - 4963

Temperature range (°C): 1.802 - 22.575

Nitrate (umol/L): 0.666 - 37.225

Salinity (PPS): 31.893 - 36.323

Oxygen (ml/l): 0.430 - 7.464

Phosphate (umol/l): 0.092 - 2.654

Silicate (umol/l): 1.297 - 152.509
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
Specimen Records:100
Specimens with Sequences:81
Specimens with Barcodes:80
Species:7
Species With Barcodes:4
Public Records:33
Public Species:3
Public BINs:7
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Barcode data

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Source: Barcode of Life Data Systems (BOLD)

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Wikipedia

Aequorea


Aequorea is a genus of pelagic hydrozoans in the family Aequoreidae.[1]

Species[edit source | edit]

The genus contains the following species:

References[edit source | edit]

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