Ecology

Habitat

Known from seamounts and knolls
  • Stocks, K. 2009. Seamounts Online: an online information system for seamount biology. Version 2009-1. World Wide Web electronic publication.
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© WoRMS for SMEBD

Source: World Register of Marine Species

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Depth range based on 603 specimens in 27 taxa.
Water temperature and chemistry ranges based on 185 samples.

Environmental ranges
  Depth range (m): -3 - 2893.5
  Temperature range (°C): -1.235 - 25.549
  Nitrate (umol/L): 0.171 - 33.136
  Salinity (PPS): 25.879 - 36.446
  Oxygen (ml/l): 4.163 - 8.193
  Phosphate (umol/l): 0.051 - 2.465
  Silicate (umol/l): 0.805 - 125.493

Graphical representation

Depth range (m): -3 - 2893.5

Temperature range (°C): -1.235 - 25.549

Nitrate (umol/L): 0.171 - 33.136

Salinity (PPS): 25.879 - 36.446

Oxygen (ml/l): 4.163 - 8.193

Phosphate (umol/l): 0.051 - 2.465

Silicate (umol/l): 0.805 - 125.493
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Associations

Known prey organisms

Halichondria preys on:
plankton
detritus

Based on studies in:
USA: Alaska, Torch Bay (Littoral, Rocky shore)
USA: Washington, Cape Flattery (Littoral, Rocky shore)

This list may not be complete but is based on published studies.
  • R. T. Paine, Food webs: linkage, interaction strength and community infrastructure, J. Anim. Ecol. 49:667-685, from p. 670 (1980).
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© SPIRE project

Source: SPIRE

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Known predators

Halichondria is prey of:
KArchidoris
Henricia

Based on studies in:
USA: Alaska, Torch Bay (Littoral, Rocky shore)
USA: Washington, Cape Flattery (Littoral, Rocky shore)

This list may not be complete but is based on published studies.
  • R. T. Paine, Food webs: linkage, interaction strength and community infrastructure, J. Anim. Ecol. 49:667-685, from p. 670 (1980).
Creative Commons Attribution 3.0 (CC BY 3.0)

© SPIRE project

Source: SPIRE

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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
                                        
Specimen Records:23Public Records:13
Specimens with Sequences:14Public Species:7
Specimens with Barcodes:13Public BINs:4
Species:10         
Species With Barcodes:7         
          
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Source: Barcode of Life Data Systems (BOLD)

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Barcode data

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© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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Locations of barcode samples

Collection Sites: world map showing specimen collection locations for Halichondria

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© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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Wikipedia

Halichondria

Halichondria is a genus of marine demosponges belonging to the family Halichondriidae. These are massive, amorphous sponges with clearly separated inner and outer skeletons consisting of bundles of spicules arranged in a seemingly random pattern. This genus of sponges became important through the discovery of cell division limiting properties of the extract Halichondrin B, which inhibits cell mitosis. The drug Eribulin, a related compound and an inhibitor of microtubule function, has become an important chemotherapy treatment for certain types of cancer.

Species

References

  • Taxon page in World Porifera Database
  • A systematic revision of the central West Atlantic: Halichondrida (Demospongiae, Porifera). Part III: Description of valid species
  • Towle MJ, Salvato KA, Budrow J, Wels BF, Kuznetsov G, Aalfs KK, Welsh S, Zheng W, Seletsk BM, Palme MH, Habgood GJ, Singer LA, Dipietro LV, Wang Y, Chen JJ, Quincy DA, Davis A, Yoshimatsu K, Kishi Y, Yu MJ, Littlefield BA (February 2001). "In vitro and in vivo anticancer activities of synthetic macrocyclic ketone analogues of halichondrin B". Cancer Res. 61 (3): 1013–21. PMID 11221827.
  • Yu MJ, Kishi Y, Littlefield BA (2005). "Discovery of E7389, a fully synthetic macrocyclic ketone analogue of halichondrin B". In Newman DJ, Kingston DGI, Cragg, GM. Anticancer agents from natural products. Washington, DC: Taylor & Francis. ISBN 0-8493-1863-7.
  • Hirata Y, Uemura D (1986). "Halichondrins - antitumor polyether macrolides from a marine sponge". Pure Appl. Chem. 58 (5): 701–710. doi:10.1351/pac198658050701.
  • Bai RL, Paull KD, Herald CL, Malspeis L, Pettit GR, Hamel E (August 1991). "Halichondrin B and homohalichondrin B, marine natural products binding in the vinca domain of tubulin. Discovery of tubulin-based mechanism of action by analysis of differential cytotoxicity data". J. Biol. Chem. 266 (24): 15882–9. PMID 1874739.
  • Jordan MA, Kamath K, Manna T, Okouneva T, Miller HP, Davis C, Littlefield BA, Wilson L (July 2005). "The primary antimitotic mechanism of action of the synthetic halichondrin E7389 is suppression of microtubule growth". Mol. Cancer Ther. 4 (7): 1086–95. doi:10.1158/1535-7163.MCT-04-0345. PMID 16020666.
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