... Aerobic metabolism Cardiac muscle Antarctic fish The Western Antarctic Peninsula region is warming at an unprecedented rate ( Cheng et al., 2017 ; Clarke et al., 2007 ; King, 1994 ; Meredith and King, 2005 ; Turner et al., 2014 ). While the impacts of warming on phytoplankton, invertebrates...

.... A. , Place , S. P. and Hofmann , G. E. ( 2004 ). Regulation of heat shock genes in isolated hepatocytes from an Antarctic fish, Trematomus bernacchii . J. Exp. Biol.   207 , 3649 - 3656 . 10.1242/jeb.01219 Canty , A. A. and Driedzic , W. R. ( 1987 ). Evidence that myoglobin...

... and mRNA expression of many proteins involved in both the Ub tagging of damaged proteins as well as the different complexes of the 26S proteasome were measured to examine whether there is thermal compensation of the Ub–proteasome pathway in Antarctic fishes to better understand the efficiency...

.... Competing interests The authors declare no competing financial interests. 18 6 2013 9 1 2014 © 2014. Published by The Company of Biologists Ltd 2014 Diffusion chamber Oxygen equilibrium curve Hemocyanin Haemocyanin Haemoglobin pH optode Octopus Amphipod Antarctic fish...

.... ( 2011 ). Heat tolerance and its plasticity in Antarctic fishes . Comp. Biochem. Physiol.   158A , 382 - 390 . Bilyk   K. T. , Devries   A. L. ( 2012 ). Heat tolerance of the secondarily temperate Antarctic notothenioid, Notothenia angustata . Ant. Sci.   24 , 165 - 172 . Bligh...

...Irina A. Mueller; Jeffrey M. Grim; Jody M. Beers; Elizabeth L. Crockett; Kristin M. O'Brien SUMMARY It is unknown whether Antarctic fishes can defend themselves against oxidative stress induced by elevations in temperature. We hypothesized that Antarctic icefishes, lacking the oxygen-binding...

... relationship between loss of Hb and induction of angiogenesis that probably is mediated through nitric oxide signaling. * Author for correspondence ( bsidell@maine.edu ) 17 6 2010 © 2010. 2010 Antarctic fish icefish hemoglobin phenylhydrazine angiogenesis nitric oxide...

...-mail: ffko@uaf.edu ) 21 5 2008 © The Company of Biologists Limited 2008 2008 mitochondria Antarctic fish muscle Notothenia coriiceps Chaenocephalus aceratus Chionodraco rastrospinosus The startling lack of hemoglobin (Hb) expression in Antarctic icefishes(family...

.... T. ( 1993 ). Antarctic Fish Biology: Evolution in a Unique Environment . San Diego:Academic Press. Eastman, J. T. ( 2005 ). The nature of the diversity of Antarctic fishes. Polar Biol. 28 , 93 -107. Eastman, J. T. and Lannoo, M. J. ( 2003 ). Diversification of brain and sense organ...

...J. R. Hazel; B. D. Sidell SUMMARY Antarctic fishes of the suborder Notothenioidei characteristically possess large stores of neutral lipids that have been shown to be important both in conferring buoyant lift and as a caloric resource for energy metabolism. Previous work has established...

... that a certain rate of motility is advantageous for wound healing. However, there was no temperature compensation in speed of movement for keratocytes of the Antarctic fish, which have extremely slow rates of movement at physiological temperatures. Keratocytes from all species moved in a persistent...

... a general stress factor in aquatic environments, with largely unknown effects on species survival and well being, especially in cold and deep waters. For an analysis of CO 2 effects at the cellular level, isolated hepatocytes were prepared from two representatives of the Antarctic fish fauna, Pachycara...

... (oocytes) was comparable. * Author for correspondence (e-mail: m.maffia@physiology.unile.it ) 18 11 2002 © The Company of Biologists Limited 2003 2003 brush-border membrane vesicle Xenopus laevis oocyte PepT1 H + /peptide cotransport fish intestine Antarctic fish...

... for correspondence at address 1 (e-mail: bsidell@maine.edu ) 10 10 2002 © The Company of Biologists Limited 2003 2003 myoglobin Antarctic fish heart muscle gene expression promoter regulation oxygen transport icefish Chaenocephalus aceratus Channichthyidae Antarctic icefish...

... used are given in Figs 1 and 2 . The Antarctic fish Lepidonotothen nudifrons (Lönnberg) and Trematomus newnesi (Boulenger) were caught around the South Orkney Islands (60°43′S, 45°36′W) during austral summer 1994–95 (sea temperature −1.0 to 0°C). Fish were transported to the UK by the British...

...Pedro J. Gonzalez-Cabrera; Frank Dowd; Venkat K. Pedibhotla; Rosa Rosario; David Stanley-Samuelson; David Petzel ABSTRACT Serum osmolality and serum inorganic ion concentrations were studied in two antarctic fish species, Trematomus bernacchii and T. newnesi , during 5 weeks of acclimation to 4 ˚C...

... 110% ( Davison et al . 1988 ), an increase approximately 2–4 times greater than that in other species of fish studied. REFERENCES Axelsson , M. , Davison , W. , Forster , M. E. and Farrell , A. P. ( 1992 ). Cardiovascular responses of the red-blood antarctic fishes...

...Richard L. Londraville; Bruce D. Sidell ABSTRACT Quantitative ultrastructural analyses were performed on red (oxidative) and white (glycolytic) skeletal muscles from two species of antarctic fish to identify features of subcellular structure that may be related to muscle metabolism at cold body...

... and adult fish. Burst swimming speeds in N. neglecta have been compared with equivalent data from temperate species. It seems likely that low temperature limits swimming performance in antarctic fish. This is more noticeable in juvenile stages, which normally have much higher tail-beat frequencies than...

...N. W. Pankhurst; J. C. Montgomery ABSTRACT Visual function was investigated in the antarctic fish Pagothenia borchgrevinki (Boulenger), Trematomus bernacchii Boulenger, T. centronotus Regan and T. hansoni Boulenger. All Trematomus species have large anterior aphakic spaces (indicating a forward...