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Keywords: myosin
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Journal Articles
J Exp Biol (2015) 218 (2): 194–205.
Published: 15 January 2015
.... To further test hypotheses about traits that represent specializations for scratch-digging, we quantified muscle architectural properties and myosin expression in the forelimb of the groundhog ( Marmota monax ), a digger that constructs semi-complex burrows. Architectural properties measured were muscle...
Includes: Supplementary data
Journal Articles
J Exp Biol (2012) 215 (2): 239–246.
Published: 15 January 2012
...Justin F. Shaffer; William M. Kier SUMMARY The speed of muscle contraction is largely controlled at the sarcomere level by the ATPase activity of the motor protein myosin. Differences in amino acid sequence in catalytically important regions of myosin yield different myosin isoforms with varying...
Includes: Supplementary data
Journal Articles
J Exp Biol (2008) 211 (5): 766–772.
Published: 1 March 2008
...; the middle layer of an artery is an aggregation of cells containing microfilaments. Arterial cells possess actin, myosin and tropomyosin. Except for the dorsal abdominal artery,striated muscle cells are not evident in the walls of any of the vessels. The neurotransmitter glutamic acid and the neurohormone...
Journal Articles
J Exp Biol (2008) 211 (2): 164–169.
Published: 15 January 2008
... fibres from the arms has revealed remarkably few differences in myofilament lattice proteins. In particular, previous studies using a variety of SDS-PAGE techniques and peptide mapping of the myosin heavy chain were unable to resolve differences in the myosin light and heavy chains. Since...
Journal Articles
J Exp Biol (2007) 210 (24): 4399–4410.
Published: 15 December 2007
... was constructed containing the D2 site and flanking immunoglobulin (Ig) motifs. It was shown that the dephosphorylated peptide, but not the phosphorylated form, bound to both actin and myosin. The binding site on actin was within the sequence L10 to P29. This region also binds to loop 2 of the myosin head...
Journal Articles
J Exp Biol (2006) 209 (12): 2320–2327.
Published: 15 June 2006
... in which adaptation to mechanics is not caused by hypertrophy but by qualitative changes in gene expression. e-mail: Bernard.Swynghedauw@larib.inserm.fr 10 1 2006 © The Company of Biologists Limited 2006 2006 cardiac remodelling phenotypic plasticity foetal programme myosin...
Journal Articles
J Exp Biol (2005) 208 (22): 4243–4253.
Published: 15 November 2005
...L. Toniolo; L. Maccatrozzo; M. Patruno; F. Caliaro; F. Mascarello; C. Reggiani SUMMARY This study aimed to analyse the expression of myosin heavy chain (MHC)isoforms in bovine muscles, with particular attention to the MHC-2B gene. Diaphragm, longissimus dorsi, masseter, several laryngeal muscles...
Journal Articles
J Exp Biol (2003) 206 (18): 3187–3200.
Published: 15 September 2003
... expression,α- actin was the first structural gene to be switched on at the 16-somite stage, followed by myosin heavy chain, troponin T, troponin I and muscle creatine kinase. The final mRNA in the series to be expressed was troponin C . All genes were switched on prior to myofibril assembly. The troponin C...
Journal Articles
J Exp Biol (2002) 205 (20): 3133–3142.
Published: 15 October 2002
...Margaret M. Briggs; Fred Schachat SUMMARY Extraocular muscles (EOMs) are the most molecularly heterogeneous and physiologically diverse mammalian striated muscles. They express the entire array of striated muscle myosins, including a specialized myosin heavy chain MYH13, which is restricted...
Journal Articles
J Exp Biol (2002) 205 (16): 2337–2348.
Published: 15 August 2002
... muscle. Am. J. Physiol. 2 76 , 250 -258. Yoshimura, A., Fujitsuka, C., Kawakami, K., Ozawa, N., Ojala, H. and Fujitsuka, N. ( 1992 ). Novel myosin isoform in nuclear chain fibers of rat muscle spindles produced in response to endurance swimming. J. Appl. Physiol. 73 , 1925 -1931...
Journal Articles
J Exp Biol (2002) 205 (15): 2231–2236.
Published: 1 August 2002
...Shugo Watabe SUMMARY Three myosin heavy chain isoforms with different actin-activated Mg 2+ -ATPase activities were found in the fast skeletal muscle from carp ( Cyprinus carpio ) acclimated to 10 and 30°C. The composition of three types of myosin heavy chain was dependent on acclimation...
Journal Articles
J Exp Biol (2002) 205 (15): 2189–2201.
Published: 1 August 2002
...Fred Schachat; Margaret M. Briggs SUMMARY Extraocular muscle exhibits higher-velocity and lower-tension contractions than other vertebrate striated muscles. These distinctive physiological properties are associated with the expression of a novel extraocular myosin heavy chain (MYH). Encoded...
Journal Articles
J Exp Biol (2001) 204 (24): 4249–4257.
Published: 15 December 2001
... protein expression in the arm and cone regions of sequential myomeres was compared for three bass. Low percentage (4.75 %) polyacrylamide-SDS gels and cyanogen bromide (CNBr) peptide mapping revealed no obvious intramyomeric differences between the myosin heavy chains of the arm and cone regions...
Journal Articles
J Exp Biol (2001) 204 (16): 2763–2771.
Published: 15 August 2001
...D. WILKES; S. Q. XIE; N. C. STICKLAND; H. ALAMI-DURANTE; M. KENTOURI; A. STERIOTI; G. KOUMOUNDOUROS; B. FAUCONNEAU; G. GOLDSPINK SUMMARY The influence of changes in environmental temperature on the mRNA levels of myogenic regulatory factors (MRFs), i.e. MyoD and myogenin, as well as myosin heavy...
Journal Articles
J Exp Biol (2001) 204 (15): 2627–2635.
Published: 1 August 2001
... motoneurone modulation actin myosin troponin I contraction caffeine. The penta-peptide proctolin (amino acid sequence RYLPT) was initially isolated from the hindgut of the cockroach Periplaneta americana ( Brown and Starrat, 1975 ) and was subsequently localised in nervous systems of a number...
Journal Articles
J Exp Biol (1991) 157 (1): 299–311.
Published: 1 May 1991
... to this form of ATPase activity, this suggests that the longitudinal layer fibres are faster contracting than the circular, oblique or dorsoventral muscles. Results with polyclonal antibodies specific for vertebrate myosins were consistent with the ATPase results, i.e. fibres with the lowest actomyosin ATPase...
Journal Articles
J Exp Biol (1991) 155 (1): 291–304.
Published: 1 January 1991
... acclimated to 8°C than in fish acclimated to 20°C (1.18±0.04 and 0.98±0.04 muscle lengths s −1 respectively).Calculated values for maximum power output at 8°C were 26.5 W kg −1 for cold-acclimated and 18.0 W kg −1 for warm-acclimated fish. Native myosin was purified from isolated fibre bundles using sodium...