Nature's Versatile Engine: Insect Flight Muscle Inside and by Jim Vigoreaux

By Jim Vigoreaux

This primary version booklet integrates wisdom from all disciplines that learn muscle functionality, from unmarried molecule biophysics to flight aerodynamics. Nature’s flexible Engine, is an divulge of up to date advances in muscle study from the molecular to the organismal, masking all degrees of organic association. whereas the most emphasis is on Drosophila melanogaster (as it's the organism most generally studied), different species of flying bugs also are coated. due to its multidisciplinary nature, the e-book may still attract on the subject of somebody with an curiosity in muscle biology or insect flight.

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Additional info for Nature's Versatile Engine: Insect Flight Muscle Inside and Out (Molecular Biology Intelligence Unit)

Sample text

And the bridge origin showed a Gaussian distribution. The majority of isometric crossbridges are nearly perpendicular to the filaments (60% within 11°) with lower and equal numbers of bridges at prestroke and rigor angles. The results suggest that when the filaments cannot slide, individual cross-bridges generate tension with little change in axial translocation or angle. 3D Structure of Myosin Cross bridges in IFM 27 Fast force transients and X-ray diffraction of vertebrate fibers also indicate the average bridge angle in isometric contraction is close to 90°.

Herranz R, Diaz-Castillo C, Nguyen T P et al. Expression patterns of the whole troponin C gene repertoire during Drosophila development. Gene Exp Patterns 2004; 4:183-190. 105. Fyrberg C , Parker H , Hutchison B et al. Drosophila melanogaster genes encoding three troponin-C isoforms and a calmodulin-related protein. Biochem Genet 1994; 32:119-135. CHAPTER 2 3D Structure of Myosin Crossbridges in Insect Flight Muscle: Toward Visualization of the Conformations during Myosin Motor Action Mary C. Reedy Abstract I nsect flight muscle (IFM) provides a model system that allows direct viewing of individual myosin head structures in situ that give rise to the average structures reported by X-ray patterns and by the mechanical behavior of the fibers.

Koana T, Hotta Y. Isolation and characterization of flightless mutants in Drosophila melanogaster. J Embryol Exp Morphol 1978; 45:123-143. 7. Sheppard DE. A selective procedure for the separation of flightless adults from normal flies. Drosophila Inform Serv 1974; 51:150. 8. Homyk Jr T, Sheppard DE. Behavioral mutants of Drosophila melanogaster. I. Isolation and mapping of mutations which decrease flight ability. Genetics 1977; 87:95-104. 9. Nongthomba U, Ramachandra NB. A direct screen identifies new flight muscle mutants on the Drosophila second chromosome.

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