euphausiacea

Summary

Summary: An order of pelagic, shrimplike CRUSTACEA. Many consume ZOOPLANKTON and a few are predacious. Many antarctic species, such as Euphuasia superba, constitute the chief food of other animals.

Top Publications

  1. ncbi Long-term decline in krill stock and increase in salps within the Southern Ocean
    Angus Atkinson
    British Antarctic Survey, Natural Environment Research Council, High Cross, Madingley Road, Cambridge CB3 OET, UK aat bas ac uk
    Nature 432:100-3. 2004
  2. pmc Metabolic effects of krill oil are essentially similar to those of fish oil but at lower dose of EPA and DHA, in healthy volunteers
    Stine M Ulven
    Faculty of Health, Nutrition, and Management, Akershus University College, Lillestrøm, Norway
    Lipids 46:37-46. 2011
  3. ncbi Endocannabinoids may mediate the ability of (n-3) fatty acids to reduce ectopic fat and inflammatory mediators in obese Zucker rats
    Barbara Batetta
    Dipartimento di Scienze e Tecnologie Biomediche, Universita di Cagliari, Cagliari 09100, Italy
    J Nutr 139:1495-501. 2009
  4. pmc Spatial and temporal operation of the Scotia Sea ecosystem: a review of large-scale links in a krill centred food web
    E J Murphy
    British Antarctic Survey, Natural Environment Research Council, High Cross, Madingley Road, Cambridge CB3 0ET, UK
    Philos Trans R Soc Lond B Biol Sci 362:113-48. 2007
  5. ncbi Krill for human consumption: nutritional value and potential health benefits
    Janet C Tou
    Division of Animal and Nutritional Sciences, West Virginia University, P O Box 6108, Morgantown, WV 26506, USA
    Nutr Rev 65:63-77. 2007
  6. ncbi Evaluation of the effect of Neptune Krill Oil on chronic inflammation and arthritic symptoms
    Luisa Deutsch
    Sciopsis Inc Evidence Based NutraMedicine, 18 Corso Court, Richmond Hill, Ontario L4S 1H4, Canada
    J Am Coll Nutr 26:39-48. 2007
  7. pmc Incorporation of EPA and DHA into plasma phospholipids in response to different omega-3 fatty acid formulations--a comparative bioavailability study of fish oil vs. krill oil
    Jan Philipp Schuchardt
    Institute of Food Science and Human Nutrition, Leibniz University Hannover, Germany
    Lipids Health Dis 10:145. 2011
  8. ncbi Recent changes in phytoplankton communities associated with rapid regional climate change along the western Antarctic Peninsula
    Martin Montes-Hugo
    Coastal Ocean Observation Lab, Institute of Marine and Coastal Sciences, School of Environmental and Biological Sciences, Rutgers University, New Brunswick, NJ 08901, USA
    Science 323:1470-3. 2009
  9. ncbi Evaluation of the effects of Neptune Krill Oil on the clinical course of hyperlipidemia
    Ruxandra Bunea
    Department of Internal Medicine, McGill University, Montreal, Quebec, Canada
    Altern Med Rev 9:420-8. 2004
  10. pmc Elucidation of phosphatidylcholine composition in krill oil extracted from Euphausia superba
    Bjørn Winther
    Department of Pharmaceutical Chemistry, School of Pharmacy, University of Oslo, Oslo, Norway
    Lipids 46:25-36. 2011

Detail Information

Publications141 found, 100 shown here

  1. ncbi Long-term decline in krill stock and increase in salps within the Southern Ocean
    Angus Atkinson
    British Antarctic Survey, Natural Environment Research Council, High Cross, Madingley Road, Cambridge CB3 OET, UK aat bas ac uk
    Nature 432:100-3. 2004
    ..As krill densities decreased last century, salps appear to have increased in the southern part of their range. These changes have had profound effects within the Southern Ocean food web...
  2. pmc Metabolic effects of krill oil are essentially similar to those of fish oil but at lower dose of EPA and DHA, in healthy volunteers
    Stine M Ulven
    Faculty of Health, Nutrition, and Management, Akershus University College, Lillestrøm, Norway
    Lipids 46:37-46. 2011
    ..Krill oil and fish oil thus represent comparable dietary sources of n-3 PUFAs, even if the EPA + DHA dose in the krill oil was 62.8% of that in the fish oil...
  3. ncbi Endocannabinoids may mediate the ability of (n-3) fatty acids to reduce ectopic fat and inflammatory mediators in obese Zucker rats
    Barbara Batetta
    Dipartimento di Scienze e Tecnologie Biomediche, Universita di Cagliari, Cagliari 09100, Italy
    J Nutr 139:1495-501. 2009
    ..The reduction of substrates for inflammatory molecules and endocannabinoids may account for the dampened inflammatory response and the physiological reequilibration of body fat deposition in obese rats...
  4. pmc Spatial and temporal operation of the Scotia Sea ecosystem: a review of large-scale links in a krill centred food web
    E J Murphy
    British Antarctic Survey, Natural Environment Research Council, High Cross, Madingley Road, Cambridge CB3 0ET, UK
    Philos Trans R Soc Lond B Biol Sci 362:113-48. 2007
    ..This combination of historical perturbation and rapid regional change highlights that the Scotia Sea ecosystem is likely to show significant change over the next two to three decades, which may result in major ecological shifts...
  5. ncbi Krill for human consumption: nutritional value and potential health benefits
    Janet C Tou
    Division of Animal and Nutritional Sciences, West Virginia University, P O Box 6108, Morgantown, WV 26506, USA
    Nutr Rev 65:63-77. 2007
    The marine crustacean krill (order Euphausiacea) has not been a traditional food in the human diet. Public acceptance of krill for human consumption will depend partly on its nutritive value...
  6. ncbi Evaluation of the effect of Neptune Krill Oil on chronic inflammation and arthritic symptoms
    Luisa Deutsch
    Sciopsis Inc Evidence Based NutraMedicine, 18 Corso Court, Richmond Hill, Ontario L4S 1H4, Canada
    J Am Coll Nutr 26:39-48. 2007
    ..a) To evaluate the effect of Neptune Krill Oil (NKO) on C-reactive protein (CRP) on patients with chronic inflammation and b) to evaluate the effectiveness of NKO on arthritic symptoms...
  7. pmc Incorporation of EPA and DHA into plasma phospholipids in response to different omega-3 fatty acid formulations--a comparative bioavailability study of fish oil vs. krill oil
    Jan Philipp Schuchardt
    Institute of Food Science and Human Nutrition, Leibniz University Hannover, Germany
    Lipids Health Dis 10:145. 2011
    ..Superior bioavailability has been suggested for phospholipid (PL) bound omega-3 FA in krill oil, but identical doses of different chemical forms have not been compared...
  8. ncbi Recent changes in phytoplankton communities associated with rapid regional climate change along the western Antarctic Peninsula
    Martin Montes-Hugo
    Coastal Ocean Observation Lab, Institute of Marine and Coastal Sciences, School of Environmental and Biological Sciences, Rutgers University, New Brunswick, NJ 08901, USA
    Science 323:1470-3. 2009
    ..Regional changes in phytoplankton coincide with observed changes in krill (Euphausia superba) and penguin populations...
  9. ncbi Evaluation of the effects of Neptune Krill Oil on the clinical course of hyperlipidemia
    Ruxandra Bunea
    Department of Internal Medicine, McGill University, Montreal, Quebec, Canada
    Altern Med Rev 9:420-8. 2004
    ..To assess the effects of krill oil on blood lipids, specifically total cholesterol, triglycerides, low-density lipoprotein (LDL), and high-density lipoprotein (HDL)...
  10. pmc Elucidation of phosphatidylcholine composition in krill oil extracted from Euphausia superba
    Bjørn Winther
    Department of Pharmaceutical Chemistry, School of Pharmacy, University of Oslo, Oslo, Norway
    Lipids 46:25-36. 2011
    ..The phosphatidylcholine concentration was estimated to be 34 ± 5 g/100 g oil (n = 5). These results confirm the complexity of the phospholipid composition of krill oil, and the presence of long chained, heavily unsaturated fatty acids...
  11. pmc Relative changes in krill abundance inferred from Antarctic fur seal
    Tao Huang
    Institute of Polar Environment, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, China
    PLoS ONE 6:e27331. 2011
    ..This novel method makes it possible to infer past krill population changes from ancient tissues of krill predators...
  12. ncbi Adult antarctic krill feeding at abyssal depths
    Andrew Clarke
    Biological Sciences, British Antarctic Survey, Cambridge CB3 0ET, United Kingdom
    Curr Biol 18:282-5. 2008
    ..These observations revise significantly our understanding of the depth distribution and ecology of Antarctic krill, a central organism in the Southern Ocean ecosystem...
  13. pmc The association of Antarctic krill Euphausia superba with the under-ice habitat
    Hauke Flores
    Institute for Marine Resources and Ecosystem Studies, Texel, The Netherlands
    PLoS ONE 7:e31775. 2012
    ..These findings emphasise the susceptibility of an ecological key species to changing sea ice habitats, suggesting potential ramifications on Antarctic ecosystems induced by climate change...
  14. pmc Different sources of omega-3 polyunsaturated fatty acids affects apparent digestibility, tissue deposition, and tissue oxidative stability in growing female rats
    Janet C Tou
    Division of Animal and Nutritional Sciences, West Virginia University, P O Box 6108, Morgantown, WV 26506, USA
    Lipids Health Dis 10:179. 2011
    ..Therefore, the objective of this study was to determine the effect of different sources of ω-3 PUFAs on digestibility, tissue deposition, eicosanoid metabolism, and oxidative stability...
  15. pmc Will krill fare well under Southern Ocean acidification?
    So Kawaguchi
    Australian Antarctic Division, Kingston, Tasmania 7050, Australia
    Biol Lett 7:288-91. 2011
    ..These results point out the urgent need for understanding the pCO₂-response relationship for krill developmental and later stages, in order to predict the possible fate of this key species in the Southern Ocean...
  16. ncbi The mitochondrial genomes of Euphausia pacifica and Thysanoessa raschii sequenced using 454 next-generation sequencing, with a phylogenetic analysis of their position in the Malacostracan family tree
    Mattias L Johansson
    Cooperative Institute for Marine Resources Studies, Oregon State University, Newport, OR, USA
    Mol Biol Rep 39:9009-21. 2012
    ..32 %, 33 variable sites). Phylogenetic analyses to assess the phylogenetic position of the Euphausiacea, using the concatenated nucleic acid sequences of E. pacifica and T...
  17. ncbi Satiation gives krill that sinking feeling
    Geraint A Tarling
    Curr Biol 16:R83-4. 2006
  18. pmc A circadian clock in Antarctic krill: an endogenous timing system governs metabolic output rhythms in the euphausid species Euphausia superba
    Mathias Teschke
    Laboratory of Chronobiology, Charite Universitatsmedizin Berlin, Berlin, Germany
    PLoS ONE 6:e26090. 2011
    ....
  19. ncbi Beneficial effects by intake of Euphausiacea pacifica on high-fat diet-induced obesity
    Yasuyuki Sadzuka
    Department of Advanced Pharmaceutics, School of Pharmacy, Iwate Medical University, Japan
    Biol Pharm Bull 35:568-72. 2012
    ..pacifica group was significantly reduced by 20% (p<0.001) compared with the HFD group. These results suggested that E. pacifica supplementation in the diet is beneficial for the prevention of HFD-induced obesity...
  20. pmc Differential gene expression during the moult cycle of Antarctic krill (Euphausia superba)
    Paul J Seear
    British Antarctic Survey, High Cross, Madingley Road, Cambridge CB30ET, UK
    BMC Genomics 11:582. 2010
    ..To address this we constructed an Antarctic krill cDNA microarray in order to generate gene expression profiles across the moult cycle and identify possible activation pathways...
  21. ncbi Evaluation of the effects of Neptune Krill Oil on the management of premenstrual syndrome and dysmenorrhea
    Fotini Sampalis
    Department of Experimental Surgery, University of Montreal, Montreal, Quebec, Canada
    Altern Med Rev 8:171-9. 2003
    ..To evaluate the effectiveness of Neptune Krill Oil (NKO) for the management of premenstrual syndrome and dysmenorrhea...
  22. ncbi Organization of the mitochondrial genome of Antarctic krill Euphausia superba (Crustacea: Malacostraca)
    Ryuji J Machida
    Ocean Research Institute, University of Tokyo, Tokyo 164 8639, Japan
    Mar Biotechnol (NY) 6:238-50. 2004
    ..Gene rearrangement was observed for 3 transfer RNA genes (tRNACys, tRNATyr, and tRNATrp) and the 2 leucine tRNA genes...
  23. ncbi Dietary krill oil supplementation reduces hepatic steatosis, glycemia, and hypercholesterolemia in high-fat-fed mice
    Sally Tandy
    Heart Research Institute, Sydney, Australia
    J Agric Food Chem 57:9339-45. 2009
    ....
  24. ncbi Dietary supplementation of krill oil attenuates inflammation and oxidative stress in experimental ulcerative colitis in rats
    Tore Grimstad
    Department of Medicine, Division of Gastroenterology, Stavanger University Hospital, Stavanger, Norway
    Scand J Gastroenterol 47:49-58. 2012
    ..To evaluate the effects of krill oil (KO) on inflammation and redox status in dextran sulfate sodium (DSS)-induced colitis in rats...
  25. pmc Effects of krill oil on serum lipids of hyperlipidemic rats and human SW480 cells
    Jia Jin Zhu
    Department of Food Science and Nutrition, Zhejiang University, Hangzhou, PR China
    Lipids Health Dis 7:30. 2008
    ..Serum lipids of rats fed with high fat diet (HFD) and different doses of KO were measured by automatic analyzer. Effect of KO on viability of cells was determined by methyl thiazolyl tetrazolium (MTT) assay...
  26. ncbi Investigation of natural phosphatidylcholine sources: separation and identification by liquid chromatography-electrospray ionization-tandem mass spectrometry (LC-ESI-MS2) of molecular species
    Julie Le Grandois
    Laboratoire de Chimie Analytique et Sciences de l Aliment, IPHC DSA, Universite de Strasbourg, CNRS, 67400 Illkirch, France
    J Agric Food Chem 57:6014-20. 2009
    ....
  27. ncbi Consumption of krill protein concentrate prevents early renal injury and nephrocalcinosis in female Sprague-Dawley rats
    Joseph C Gigliotti
    Animal and Nutritional Sciences, West Virginia University, P O Box 6108, Morgantown, WV 26506, USA
    Urol Res 39:59-67. 2011
    ..Based on the study results, KPC prevented early renal injury leading to nephrocalcinosis and potential bone loss...
  28. ncbi Unambiguous detection of astaxanthin and astaxanthin fatty acid esters in krill (Euphausia superba Dana)
    Marc David Grynbaum
    Institute of Organic Chemistry, University of Tuebingen, Tuebingen, Germany
    J Sep Sci 28:1685-93. 2005
    ..13-cis) Astaxanthin (70 microg/g), 542 microg/g (all-E) astaxanthin, 36 microg/g unidentified astaxanthin isomer, 62 microg/g (9-cis) astaxanthin, and 7842 microg/g astaxanthin fatty acid esters were found...
  29. pmc Supplementation of diet with krill oil protects against experimental rheumatoid arthritis
    Michelle Ierna
    MD Biosciences Gmbh Postfach, Gewerbestrasse 9, 8132 Egg b Zürich, Switzerland
    BMC Musculoskelet Disord 11:136. 2010
    ..The objective of the present study was to evaluate a standardised preparation of krill oil and fish oil in an animal model for arthritis...
  30. ncbi Is vertical migration in Antarctic krill (Euphausia superba) influenced by an underlying circadian rhythm?
    Edward Gaten
    Department of Biology, University of Leicester, Leicester LE1 7RH, UK
    J Genet 87:473-83. 2008
    ..They also suggest that the interplay between food availability, social cues and the light:dark cycle acts as the predominant Zeitgeber for DVM in this species...
  31. ncbi Limb articulation in caridoid crustaceans revisited - new evidence from Euphausiacea (Malacostraca)
    Christian Haupt
    Institut fur Spezielle Zoologie und Evolutionsbiologie, Friedrich Schiller Universitat Jena, Erbertstrasse 1, 07743 Jena, Germany
    Arthropod Struct Dev 37:221-33. 2008
    ..In representatives of Decapoda, Anaspidacea and Euphausiacea, the coxa forms proximally a dicondylic articulation with the thorax, permitting promotion-remotion, and ..
  32. ncbi Gelation of protein recovered from whole Antarctic krill (Euphausia superba) by isoelectric solubilization/precipitation as affected by functional additives
    Yi Chen Chen
    School of Nutrition, Chung Shan Medical University, No 110, Section 1, Jianguo North Road, Taichung, Taiwan
    J Agric Food Chem 55:1814-22. 2007
    ..Gels made from protein solubilized at acidic pH were brighter and whiter likely due to a higher lipid content...
  33. ncbi A cry from the krill
    Gabriella M Mazzotta
    Dipartimento di Biologia, Universita degli Studi di Padova, Padova, Italy
    Chronobiol Int 27:425-45. 2010
    ..Our findings represent a first step toward establishing the presence of an endogenous circadian time-keeping mechanism that might allow this organism to synchronize its physiology and behavior to the Antarctic light regimes...
  34. ncbi The mitochondrial genome of Euphausia superba (Prydz Bay) (Crustacea: Malacostraca: Euphausiacea) reveals a novel gene arrangement and potential molecular markers
    Xin Shen
    Jiangsu Key Laboratory of Marine Biotechnology College of Marine Science, Huaihai Institute of Technology, 222005, Lianyungang, China
    Mol Biol Rep 37:771-84. 2010
    ..However, the taxonomic position of Euphausiacea within Malacostraca is unstable. From comparing the mitochondrial genome between E. superba (PB) and E...
  35. pmc Systematic sequencing of mRNA from the Antarctic krill (Euphausia superba) and first tissue specific transcriptional signature
    Cristiano De Pittà
    Dipartimento di Biologia, Universita degli Studi di Padova, Via U, Bassi, 58 B, 35121, Padova, Italy
    BMC Genomics 9:45. 2008
    Little is known about the genome sequences of Euphausiacea (krill) although these crustaceans are abundant components of the pelagic ecosystems in all oceans and used for aquaculture and pharmaceutical industry...
  36. ncbi Krill oil supplementation increases plasma concentrations of eicosapentaenoic and docosahexaenoic acids in overweight and obese men and women
    Kevin C Maki
    Provident Clinical Research, Bloomington, IN 47403, USA Provident Clinical Research, Glen Ellyn, IL 60137, USA
    Nutr Res 29:609-15. 2009
    ..In conclusion, 4 weeks of krill oil supplementation increased plasma EPA and DHA and was well tolerated, with no indication of adverse effects on safety parameters...
  37. ncbi Oceanography: churn, churn, churn
    Quirin Schiermeier
    Nature 447:522-4. 2007
  38. pmc Trophic interactions within the Ross Sea continental shelf ecosystem
    Walker O Smith
    Virginia Institute of Marine Sciences, College of William and Mary, Gloucester Point, VA 23062, USA
    Philos Trans R Soc Lond B Biol Sci 362:95-111. 2007
    ..We also highlight many of the unknowns within the food web, and discuss the impacts of a changing Ross Sea habitat on the ecosystem...
  39. ncbi Testing olfactory foraging strategies in an Antarctic seabird assemblage
    Gabrielle Nevitt
    Section of Neurobiology, Physiology and Behaviour, University of California, Davis, California 95616, USA
    J Exp Biol 207:3537-44. 2004
    ..Together, the results support the hypothesis that Antarctic procellariiforms use species-specific foraging strategies that are inter-dependent and more complex than simply tracking prey by scent...
  40. ncbi Modelling Southern Ocean ecosystems: krill, the food-web, and the impacts of harvesting
    S L Hill
    British Antarctic Survey, Natural Environment Research Council, Madingley Road, High Cross, Cambridge CB3 0ET, UK
    Biol Rev Camb Philos Soc 81:581-608. 2006
    ..We propose a modelling approach that focuses on harvested species and their monitored consumers and that evaluates model uncertainty by using alternative structures and functional forms in a Monte Carlo framework...
  41. ncbi Characterization of proteinases from Antarctic krill (Euphausia superba)
    Johan Sjödahl
    Department of Analytical Chemistry, Royal Institute of Technology, Teknikringen 36, SE 100 44, Stockholm, Sweden
    Protein Expr Purif 26:153-61. 2002
    ..All three fractions of trypsin-like proteinases showed a carboxypeptidase activity in combination with their trypsin activity...
  42. ncbi Persistent organic pollutants at the base of the Antarctic marine food web
    Amy L Chiuchiolo
    Virginia Institute of Marine Science, The College of William and Mary, Gloucester Point, Virginia 23062, USA
    Environ Sci Technol 38:3551-7. 2004
    ..The high concentrations of BDEs and HCB in ice algae and associated juvenile krill illustrate the importance of sea ice as a vector for entry of POPs into the Antarctic marine ecosystem...
  43. ncbi Competition among penguins and cetaceans reveals trophic cascades in the western Ross Sea, Antarctica
    David G Ainley
    H T Harvey and Associates, 3150 Almaden Expressway, Suite 145, San Jose, California 95118, USA
    Ecology 87:2080-93. 2006
    ..Reduction in the middle-trophic-level prey is expressed in the relaxed grazing pressure on phytoplankton...
  44. ncbi Mass mortality of krill caused by parasitoid ciliates
    Jaime Gómez-Gutiérrez
    Centro Interdisciplinario de Ciencias Marinas, La Paz, B C S, 23096, Mexico
    Science 301:339. 2003
  45. ncbi A DNA-based method for identification of krill species and its application to analysing the diet of marine vertebrate predators
    S N Jarman
    Australian Antarctic Division, Channel Highway, Kingston, TAS, 7050, Australia
    Mol Ecol 11:2679-90. 2002
    ..In each of these cases, krill species consumed by the predators could be identified from their DNA present in faeces or stomach contents...
  46. ncbi Comparative morphology of the hemolymph vascular system in krill (Euphausiacea; Crustacea)
    Katarina Huckstorf
    Allgemeine and Spezielle Zoologie, Institut für Biowissenschaften, Universitat Rostock, Universitatsplatz 2, Rostock, Germany
    Arthropod Struct Dev 40:39-53. 2011
    The phylogenetic position of Euphausiacea within Malacostraca is still under debate. Either they are seen as sister group to a taxon comprising Pancarida and Peracarida or closer related to Decapoda...
  47. ncbi The complete mitochondrial genome of the mantid shrimp Oratosquilla oratoria (Crustacea: Malacostraca: Stomatopoda): Novel non-coding regions features and phylogenetic implications of the Stomatopoda
    Yuan Liu
    EMBL, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071, China
    Comp Biochem Physiol Part D Genomics Proteomics 5:190-8. 2010
    ..based on the current dataset of complete mt genomes strongly support the Stomatopoda is closely related to Euphausiacea. They in turn cluster with Penaeoidea and Caridea clades while other decapods form a separate group, which ..
  48. ncbi Bioinformatic analyses of the publicly accessible crustacean expressed sequence tags (ESTs) reveal numerous novel neuropeptide-encoding precursor proteins, including ones from members of several little studied taxa
    Andrew E Christie
    Neuroscience Program, John W and Jean C Boylan Center for Cellular and Molecular Physiology, Mount Desert Island Biological Laboratory, P O Box 35, Old Bar Harbor Road, Salisbury Cove, ME 04672, USA
    Gen Comp Endocrinol 167:164-78. 2010
    ..superba represents the first peptide identified from any member of the basal eucaridean order Euphausiacea. In addition, large collections of insect eclosion hormone- and neuroparsin-like peptides were identified from ..
  49. ncbi Multi-trial biomarker approach in Meganyctiphanes norvegica: a potential early indicator of health status of the Mediterranean "whale sanctuary."
    M C Fossi
    Department of Animal Biology and Marine Ecology, University of Messina, Italy
    Mar Environ Res 54:761-7. 2002
    ..w. and Pb 0.496 ppm d.w. Total PAHs ranged from 860.7 to 5,037.9 ng/g d.w., carcinogenic PAHs from 40.3 to 141.7 ng/g d.w., HCB from 3.5 to 11.6 ng/g d.w., DDTs from 45.3 to 163.2 ng/g d.w. and the PCBs from 84.6 to 210.2 ng/g d.w...
  50. ncbi The fine structure of the phoront of Gymnodinioides pacifica, a ciliated protozoan (Ciliophora, Apostomatida) from euphausiids of the Northeastern Pacific
    Stephen C Landers
    Department of Biological and Environmental Sciences, Troy University, Troy, AL 36082, USA
    Eur J Protistol 43:239-49. 2007
    ..Cysts were usually attached at their posterior ends or, less frequently, along their side...
  51. ncbi Mixing it up with krill
    E Kunze
    Science 318:1239; author reply 1239. 2007
  52. ncbi Improved parameterization of Antarctic krill target strength models
    Gareth L Lawson
    Biology Department, Woods Hole Oceanographic Institution, Woods Hole, Massachusetts 02543, USA
    J Acoust Soc Am 119:232-42. 2006
    ....
  53. pmc Potential climate change effects on the habitat of antarctic krill in the weddell quadrant of the southern ocean
    Simeon L Hill
    British Antarctic Survey, Natural Environment Research Council, Cambridge, United Kingdom
    PLoS ONE 8:e72246. 2013
    ....
  54. ncbi Decision-making for ecosystem-based management: evaluating options for a krill fishery with an ecosystem dynamics model
    G M Watters
    Antarctic Ecosystem Research Division, Southwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, 8901 La Jolla Shores Drive, La Jolla, California 92037 1023, USA
    Ecol Appl 23:710-25. 2013
    ..However, alternative reference points could alter the perceived risks, so further stakeholder involvement is needed to identify risk metrics that appropriately represent their objectives...
  55. ncbi Notothenioid fish, krill and phytoplankton from Antarctica contain a vitamin E constituent (alpha-tocomonoenol) functionally associated with cold-water adaptation
    Walter C Dunlap
    Australian Institute of Marine Science, PMB No 3, Townsville MC, Queensland 4810, Australia
    Comp Biochem Physiol B Biochem Mol Biol 133:299-305. 2002
    ..Our finding of MDT in Antarctic organisms is consistent with its putatively adaptive function to enhance antioxidant protection in coldwater metabolism...
  56. ncbi Behavioural sensitivity of a key Southern Ocean species (Antarctic krill, Euphausia superba) to p,p'-DDE exposure
    Anita H Poulsen
    The University of Queensland, National Research Centre for Environmental Toxicology, Brisbane, Australia
    Ecotoxicol Environ Saf 75:163-70. 2012
    ..These findings support the concept of the CBR approach, that effective tissue residues are comparable across species and geographical ranges despite differences in environmental factors...
  57. pmc Acute appearance of fatty acids in human plasma--a comparative study between polar-lipid rich oil from the microalgae Nannochloropsis oculata and krill oil in healthy young males
    Michael L Kagan
    Qualitas Health Ltd, Jerusalem, Israel
    Lipids Health Dis 12:102. 2013
    ..Krill oil contains EPA and DHA conjugated to phospholipids. We compare the appearance of fatty acids in blood plasma of healthy humans after consuming a high fat meal followed by either algal oil or krill oil...
  58. pmc Penguin tissue as a proxy for relative krill abundance in East Antarctica during the Holocene
    Tao Huang
    1 Institute of Polar Environment, School of Earth and Space Sciences, University of Science and Technology of China, Hefei 230026, Anhui, China 2
    Sci Rep 3:2807. 2013
    ..Moreover, the low δ¹⁵N values found in modern Adélie penguins indicate relatively high krill availability, which supports the hypothesis of krill surplus in modern ages due to recent hunt for krill-eating seals and whales by humans...
  59. ncbi Efficacy of food supplement to improve metabolic syndrome parameters in patients affected by moderate to severe psoriasis during anti-TNFα treatment
    N Skroza
    Department of Dermatology Daniele Innocenzi Sapienza University of Rome, Polo Pontino, Rome, Italy
    G Ital Dermatol Venereol 148:661-5. 2013
    ..Psoriasis is a systemic inflammatory immune-mediated skin disease. Recently a relationship with metabolic syndrome in terms of psoriasis severity and response to therapy was observed...
  60. pmc Enhanced cognitive function and antidepressant-like effects after krill oil supplementation in rats
    Karin Wibrand
    Department of Biomedicine and KG Jebsen Centre for Research onNeuropsychiatric Disorders, University of Bergen, Jonas Lies vei 91, BergenNO 5009, Norway
    Lipids Health Dis 12:6. 2013
    ..The purpose of the study was to evaluate the effects of krill oil (KO) on cognition and depression-like behaviour in rats...
  61. ncbi Pseudocollinia brintoni gen. nov., sp. nov. (Apostomatida: Colliniidae), a parasitoid ciliate infecting the euphausiid Nyctiphanes simplex
    J Gomez-Gutierrez
    Departamento de Plancton y Ecología Marina, Centro Interdisciplinario de Ciencias Marinas, Av IPN s n, A P 592, La Paz, Baja California Sur 23096, Mexico
    Dis Aquat Organ 99:57-78. 2012
    ..P. brintoni may complete its life cycle when the euphausiids feed on these filaments...
  62. pmc Marine pelagic ecosystems: the west Antarctic Peninsula
    Hugh W Ducklow
    School of Marine Science, The College of William and Mary, Gloucester Point, VA 23062, USA
    Philos Trans R Soc Lond B Biol Sci 362:67-94. 2007
    ..The climate/ecological gradients extending along the WAP and the presence of monitoring systems, field stations and long-term research programmes make the region an invaluable observatory of climate change and marine ecosystem response...
  63. ncbi Enhanced learning and memory of normal young rats by repeated oral administration of Krill Phosphatidylserine
    Hyun Jung Park
    Acupuncture and Meridian Science Research Center, Kyung Hee University, 1 Hoegi dong, Dongdaemun Gu, Seoul 130 701, Republic of Korea
    Nutr Neurosci 16:47-53. 2013
    ..The present study examined the effects of Krill phosphatidylserine (Krill-PS) on the learning and memory function and the neural activity in the normal young rats...
  64. ncbi Dramatic declines in Euphausia pacifica abundance in the East China Sea: response to recent regional climate change
    Zhao li Xu
    East China Sea Fisheries Research Institute, Chinese Academy of Fisheries Science, Jun Gong Road, Shanghai 200090, China
    Zoolog Sci 31:135-42. 2014
    ..However, E. pacifica did not come back to the previous habitat when temperature became relative cold. Hence additional factors affecting the E. pacifica distribution and abundance need to be investigated in the future study. ..
  65. pmc Antarctic krill 454 pyrosequencing reveals chaperone and stress transcriptome
    Melody S Clark
    British Antarctic Survey, Natural Environment Research Council, Cambridge, United Kingdom
    PLoS ONE 6:e15919. 2011
    ..Hence, understanding how this organism functions is a priority area and will provide fundamental data for life history studies, energy budget calculations and food web models...
  66. ncbi High temperature liquid chromatography-inductively coupled plasma mass spectrometry for the determination of arsenosugars in biological samples
    Amanda Terol
    Department of Analytical Chemistry, Nutrition and Food Science, University of Alicante, P O Box 99, 03080 Alicante, Spain
    J Chromatogr A 1262:70-6. 2012
    ..On the other hand, lower concentrations of these compounds were found in the crustacean, accounting for about 15% of the extracted arsenic...
  67. ncbi Crystalline structure and thermal property characterization of chitin from Antarctic krill (Euphausia superba)
    Yanchao Wang
    College of Food Science and Engineering, Ocean University of China, Qingdao 266003, China
    Carbohydr Polym 92:90-7. 2013
    ..07 nm and 5.16 nm at (020) and (110) planes, respectively. The activation energy of the polysaccharide chain decomposition was 123.35 kJ/mol and the glass transition (T(g)) of Antarctic krill chitin was 164.96 °C...
  68. ncbi Reproduction in Northern krill (Meganyctiphanes norvegica Sars)
    Janine Cuzin-Roudy
    Observatoire Oceanologique, Université Pierre et Marie Curie Paris CNRS, Villefranche sur Mer, France
    Adv Mar Biol 57:199-230. 2010
    ..New molecular tools are now available to tackle such questions...
  69. ncbi The effects of preservation methods, dyes and acidification on the isotopic values (δ15N and δ13C) of two zooplankton species from the KwaZulu-Natal Bight, South Africa
    Ander M de Lecea
    School of Biological and Conservational Sciences, Biological Sciences Building, Westville Campus, University of KwaZulu Natal, Durban 4001, South Africa
    Rapid Commun Mass Spectrom 25:1853-61. 2011
    ..Although the effects on δ(15)N varied, a relative enrichment in (13)C of samples occurred with time. This can have important consequences for the understanding of the organic flow within a food web and for trophic studies. ...
  70. ncbi Purification and characterization of cellulase from North Pacific krill (Euphausia pacifica). Analysis of cleavage specificity of the enzyme
    Akihiko Tsuji
    Department of Biological Science and Technology, The University of Tokushima Graduate School, 2 1 Minamijosanjima, Tokushima 770 8506, Japan
    Comp Biochem Physiol B Biochem Mol Biol 163:324-33. 2012
    ..Although amino acid sequence homology of the enzyme with termite cellulases and the presence of oligosaccharides in the enzyme suggested that the enzyme is produced by krill itself, further analysis is necessary...
  71. ncbi The complete mitochondrial genome sequence of Euphausia pacifica (Malacostraca: Euphausiacea) reveals a novel gene order and unusual tandem repeats
    Xin Shen
    Jiangsu Key Laboratory of Marine Biotechnology, College of Marine Science, Huaihai Institute of Technology, Lianyungang 222005, China
    Genome 54:911-22. 2011
    ..Euphausia pacifica (Malacostraca: Euphausiacea) is one of the most important and dominant crustaceans in the North Pacific Ocean...
  72. pmc Linking animal-borne video to accelerometers reveals prey capture variability
    Yuuki Y Watanabe
    National Institute of Polar Research, Tachikawa, Tokyo 190 8518, Japan
    Proc Natl Acad Sci U S A 110:2199-204. 2013
    ..e., video observations, linking video to behavioral signals, and extension of signal analysis) are unique approaches to understanding the spatial and temporal variability of ecologically important events such as foraging...
  73. ncbi Life cycle environmental impacts of three products derived from wild-caught Antarctic krill (Euphausia superba)
    Robert W R Parker
    School for Resource and Environmental Studies, Dalhousie University, 6100 University Avenue, Halifax, Nova Scotia, Canada, B3H 4R2
    Environ Sci Technol 46:4958-65. 2012
    ....
  74. pmc A krill oil supplemented diet suppresses hepatic steatosis in high-fat fed rats
    Alessandra Ferramosca
    Department of Biological and Environmental Sciences and Technologies, University of Salento, Lecce, Italy
    PLoS ONE 7:e38797. 2012
    ..Lastly, the KO supplementation prevented an increase in body weight, as well as oxidative damage of lipids and proteins, which is often found in high-fat fed animals...
  75. pmc Testing paradigms of ecosystem change under climate warming in Antarctica
    Jessica Melbourne-Thomas
    Antarctic Climate and Ecosystems Cooperative Research Centre, University of Tasmania, Hobart, Tasmania, Australia
    PLoS ONE 8:e55093. 2013
    ..We suggest that our network approach to evaluating a recent and widely cited paradigm of change for the Antarctic region could be broadly applied in hypothesis testing for other regions and research fields...
  76. pmc Increased feeding and nutrient excretion of adult Antarctic krill, Euphausia superba, exposed to enhanced carbon dioxide (CO₂)
    Grace K Saba
    Institute of Marine and Coastal Sciences, Rutgers University, New Brunswick, New Jersey, United States of America
    PLoS ONE 7:e52224. 2012
    ..This represents an additional stress that may hamper growth and reproduction, which would negatively impact an already declining krill population along the WAP...
  77. ncbi 28S rDNA evolution in the Eumalacostraca and the phylogenetic position of krill
    S N Jarman
    Institute of Antarctic and Southern Ocean Studies, University of Tasmania, Hobart, Tasmania, 7001, Australia
    Mol Phylogenet Evol 17:26-36. 2000
    ..The phylogenetic position of one order within this class, the Euphausiacea ("krill," subclass Eumalacostraca) was investigated using 28S rDNA sequences from representatives of several ..
  78. ncbi Physiological constraints and the influence of diet on fatty acids in the yolk of gentoo penguins, Pygoscelis papua
    Michael J Polito
    Department of Biology and Marine Biology, University of North Carolina Wilmington, 601 South College Road, Wilmington, NC, 28403, USA
    J Comp Physiol B 182:703-13. 2012
    ....
  79. ncbi Nyctiphanes couchii as intermediate host for the acanthocephalan Bolbosoma balaenae in temperate waters of the NE Atlantic
    M Gregori
    Instituto de Investigaciones Marinas CSIC, Eduardo Cabello 6, 36208 Vigo, Spain
    Dis Aquat Organ 99:37-47. 2012
    ..balenae, and we suggest that the whales Balaenoptera physalus (Linnaeus, 1758) and B. acutorostrata (Lacepède, 1804) are its definitive hosts. This life cycle is probably completed with or without paratenic hosts...
  80. ncbi Characterization of lipids and antioxidant capacity of novel nutraceutical egg products developed with omega-3-rich oils
    Nissan M Kassis
    West Virginia University, Division of Animal and Nutritional Sciences, PO Box 6108, Morgantown, WV 26506 6108, USA
    J Sci Food Agric 92:66-73. 2012
    ..Experimental egg products matched composition of hen egg (whole egg). The experimental egg products, mixed whole egg, and a liquid egg product (Egg Beaters) were microwave-cooked and compared...
  81. ncbi Discrimination of stable isotopes in fin whale tissues and application to diet assessment in cetaceans
    A Borrell
    Biodiversity Research Institute IrBio and Department of Animal Biology, Faculty of Biology, University of Barcelona, Barcelona, Spain
    Rapid Commun Mass Spectrom 26:1596-602. 2012
    ..Previous research suggested that the diet of fin whales from the waters off northwestern Spain is overwhelmingly based on krill, thus permitting reliable calculation of discrimination values in this wild population...
  82. ncbi Aqueous uptake and sublethal toxicity of p,p'-DDE in non-feeding larval stages of Antarctic krill (Euphausia superba)
    Anita H Poulsen
    The University of Queensland, National Research Centre for Environmental Toxicology EnTox, 39 Kessels Rd, Brisbane, QLD 4108, Australia
    Environ Pollut 160:185-91. 2012
    ..The finding of comparable body residue-based toxicity of p,p'-DDE between polar and temperate species supports the tissue residue approach for environmental risk assessment of polar ecosystems...
  83. ncbi The hydrodynamic disturbances of two species of krill: implications for aggregation structure
    Kimberly B Catton
    School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, GA 30332 0355, USA
    J Exp Biol 214:1845-56. 2011
    ..The orientation of the position of the nearest neighbor is not coincident with the orientation of the flow disturbance, however, which indicates that E. superba are avoiding the region of strongest flow...
  84. ncbi Ocean science. Biomixing of the oceans?
    André W Visser
    Technical University of Denmark, Danish Institute for Fisheries Research, Department of Marine Ecology and Aquaculture, Kavalergaarden 6, DK 2920 Charlottenlund, Denmark
    Science 316:838-9. 2007
  85. pmc Gone with the currents: lack of genetic differentiation at the circum-continental scale in the Antarctic krill Euphausia superba
    Erica Bortolotto
    Department of Biology, University of Padova, Via U, Bassi 58B 35121 Padova, Italy
    BMC Genet 12:32. 2011
    ....
  86. pmc Variability in krill biomass links harvesting and climate warming to penguin population changes in Antarctica
    Wayne Z Trivelpiece
    Antarctic Ecosystem Research Division, Southwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, La Jolla, CA 92037, USA
    Proc Natl Acad Sci U S A 108:7625-8. 2011
    ....
  87. ncbi Ocean science. Creatures great and small are stirring the ocean
    Richard A Kerr
    Science 313:1717. 2006
  88. ncbi A cold-adapted esterase from psychrotrophic Pseudoalteromas sp. strain 643A
    Hubert Cieśliński
    Departament of Microbiology, Gdansk University of Technology, ul Narutowicza 11 12, 80 952, Gdansk, Poland
    Arch Microbiol 188:27-36. 2007
    ..Addition of selected divalent ions e.g. Mg(2+), Co(2+) and Cu(2+) led to the reduction of enzymatic activity and the enzyme was slightly activated ( approximately 30%) by Ca(2+) ions...
  89. ncbi Computational determination of refractive index distribution in the crystalline cones of the compound eye of Antarctic krill (Euphausia superba)
    Jozsef Gal
    School of Engineering and Science, International University Bremen IUB, Campus Ring 1, D 28759 Bremen, Germany
    J Theor Biol 244:318-25. 2007
    ....
  90. ncbi DNA as a dietary biomarker in Antarctic krill, Euphausia superba
    A J Passmore
    Institute of Antarctic and Southern Ocean Studies, University of Tasmania, Private Bag 77, Hobart, Tasmania, 7001, Australia
    Mar Biotechnol (NY) 8:686-96. 2006
    ..Overall the results suggest that the application of DNA-based diet analysis to krill warrants further investigation, particularly for prey that are difficult to study using other methods...
  91. ncbi Determination of the absolute configuration of selenomethionine from antarctic krill by RP-HPLC/ICP-MS using chiral derivatization agents
    Jan Bergmann
    GKSS Research Center Geesthacht, Institute for Coastal Research, Max Planck Strasse, 21502 Geesthacht, Germany
    Anal Bioanal Chem 378:1624-9. 2004
    ..Detection limits of about 4 microg L(-1) were obtained. The method was applied to the determination of the configuration of selenomethionine extracted from antarctic krill, which turned out to possess the L-configuration...
  92. pmc Super-aggregations of krill and humpback whales in Wilhelmina Bay, Antarctic Peninsula
    Douglas P Nowacek
    Nicholas School of the Environment and Pratt School of Engineering, Duke University Marine Laboratory, Beaufort, North Carolina, United States of America
    PLoS ONE 6:e19173. 2011
    ..Consideration of these features and the effects of climate change on krill dynamics are critical to managing both krill harvests and the recovery of baleen whales in the Southern Ocean...
  93. ncbi Studies on metabolic properties in the Northern Krill, Meganyctiphanes norvegica (Crustacea, euphausiacea): influence of nutrition and season on pyruvate kinase
    M Salomon
    Alfred Wegener Institut fur Polar und Meeresforschung, c o Biologische Anstalt Helgoland, Meeresstation, Postfach 180, D 27483, Helgoland, Germany
    Comp Biochem Physiol A Mol Integr Physiol 127:505-14. 2000
    ..norvegica are modified in relation to food supply. Accordingly, alternative mechanisms are involved in the depression of the metabolic rate in terms of oxygen consumption...
  94. ncbi Fatty acids of astaxanthin esters in krill determined by mild mass spectrometry
    Shinichi Takaichi
    Biological Laboratory, Nippon Medical School, Kosugi cho, Nakahara, Kawasaki 211 0063, Japan
    Comp Biochem Physiol B Biochem Mol Biol 136:317-22. 2003
    ..Therefore, determination of fatty acids in carotenoid esters by a combination of HPLC elution profile and mild mass spectrometry is found to be a useful tool...
  95. ncbi MtDNA sequencing from zooplankton after long-term preservation in buffered formalin
    A Bucklin
    Ocean Process Analysis Laboratory, 142 Morse Hall, University of New Hampshire, Durham NH 03824, USA
    Mol Phylogenet Evol 30:879-82. 2004
    ..We report here the determination of DNA sequences for Meganyctiphanes norvegica (Crustacea, Euphausiacea) preserved and stored in buffered formalin for up to 25 years...
  96. ncbi The life cycle of Anisakis simplex in the Norwegian Deep (northern North Sea)
    Sven Klimpel
    Institute of Zoomorphology, Cell Biology and Parasitology, Heinrich Heine University, Universitatsstrasse 1, 40225, Dusseldorf, Germany
    Parasitol Res 94:1-9. 2004
    Copepoda (Calanus finmarchicus n = 1,722, Paraeuchaeta norvegica n = 1,955), Hyperiidae (n = 3,019), Euphausiacea (Meganyctiphanes norvegica n = 4,780), and the fishes Maurolicus muelleri (n = 500) and Pollachius virens (n = 33) were ..
  97. ncbi Distribution of elements binding to molecules with different molecular weights in aqueous extract of Antarctic krill by size-exclusion chromatography coupled with inductively coupled plasma mass spectrometry
    Bin Li
    Institute for Coastal Research, GKSS Research Center, Max Planck Strasse, D 21502 Geesthacht, Germany
    J Chromatogr B Analyt Technol Biomed Life Sci 814:83-91. 2005
    ..The results showed that the dominant arsenic species in this fraction is As(III) (63% of extractable arsenic), while As(V) (13%) and two unknown arsenic species (19% and 5%, respectively) are present in lower amounts...
  98. ncbi Isolation of selenium organic species from antarctic krill after enzymatic hydrolysis
    Mariana Siwek
    Institute of Biotechnology II, Technical University Hamburg Harburg, Denickestrasse 15, 21071, Hamburg, Germany
    Anal Bioanal Chem 381:737-41. 2005
    ....
  99. ncbi New locality records for third-stage larvae of Anisakis simplex (sensu lato) (Nematoda: Ascaridoidea) in euphausiids Euphausia pacifica and Thysanoessa raschii from Prince William Sound, Alaska
    John W Smith
    Department of Biology, Wilfrid Laurier University, Waterloo, Ontario N2L 3C5, Canada
    Parasitol Res 97:539-42. 2005
    ..or a possible rhizocephalan. Controversy regarding the number of moults that occur in the egg of marine ascaridoids is discussed briefly...
  100. ncbi Persistent organohalogen contaminant burdens in Antarctic krill (Euphausia superba) from the eastern Antarctic sector: a baseline study
    S M Bengtson Nash
    The University of Queensland, The National Research Centre for Environmental Toxicology, Coopers Plains, Queensland 4180, Australia
    Sci Total Environ 407:304-14. 2008
    ....
  101. ncbi Occurrence of organochlorine pesticides (OCPs) and their enantiomeric signatures, and concentrations of polybrominated diphenyl ethers (PBDEs) in the Adélie penguin food web, Antarctica
    Simonetta Corsolini
    Department of Environmental Science G Sarfatti, University of Siena, Via P A Mattioli, 4, I 53100 Siena, Italy
    Environ Pollut 140:371-82. 2006
    ..The detection of BDE28, BDE47, BDE99 and BDE100 in Antarctic organisms confirmed their global transport and distribution; the detection of lower brominated congeners suggested a potential long-range transport...