ArticleBiophysical journal2010
Fast x-ray recordings reveal dynamic action of contractile and regulatory proteins in stretch-activated insect flight muscle.
Article in Biophysical journal, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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19 citing papers in PubMed, 27 citations in OpenAlex.
- Structure of the Flight Muscle Thick Filament from the Bumble Bee,International journal of molecular sciences · 2022Article
- Synchrotron radiation X-ray diffraction studies on muscle: past, present, and future.Biophysical reviews · 2019Review
- Myosin Head Configurations in Resting and Contracting Murine Skeletal Muscle.International journal of molecular sciences · 2018Article
- Synchrotron Radiation X-ray Diffraction Techniques Applied to Insect Flight Muscle.International journal of molecular sciences · 2018Review
- Effects of myosin inhibitors on the X-ray diffraction patterns of relaxed and calcium-activated rabbit skeletal muscle fibers.Biophysics and physicobiology · 2018Article
- Stretch activation properties of Drosophila and Lethocerus indirect flight muscle suggest similar calcium-dependent mechanisms.American journal of physiology. Cell physiology · 2017Article
- The earliest molecular response to stretch of insect flight muscle as revealed by fast X-ray diffraction recording.Scientific reports · 2017Article
- The Drosophila indirect flight muscle myosin heavy chain isoform is insufficient to transform the jump muscle into a highly stretch-activated muscle type.American journal of physiology. Cell physiology · 2017Article
- The tymbal muscle of cicada has flight muscle-type sarcomeric architecture and protein expression.Zoological letters · 2017Article
- A Beetle Flight Muscle Displays Leg Muscle Microstructure.Biophysical journal · 2016Article
- Toward Understanding the Molecular Bases of Stretch Activation: A STRUCTURAL COMPARISON OF THE TWO TROPONIN C ISOFORMS OF LETHOCERUS.The Journal of biological chemistry · 2016Article
- X-Ray Fiber Diffraction Recordings from Oriented Demembranated Chlamydomonas Flagellar Axonemes.Biophysical journal · 2015Article
- X-ray diffraction pattern from the flight muscle of Toxorhynchites towadensis reveals the specific phylogenic position of mosquito among Diptera.Zoological letters · 2015Article
- The roles of troponin C isoforms in the mechanical function of Drosophila indirect flight muscle.Journal of muscle research and cell motility · 2014Article
- X-ray diffraction from flight muscle with a headless myosin mutation: implications for interpreting reflection patterns.Frontiers in physiology · 2014Article
- Calcium signalling indicates bilateral power balancing in the Drosophila flight muscle during manoeuvring flight.Journal of the Royal Society, Interface · 2013Article
- Calcium and stretch activation modulate power generation in Drosophila flight muscle.Biophysical journal · 2011Article
- X-ray diffraction evidence for myosin-troponin connections and tropomyosin movement during stretch activation of insect flight muscle.Proceedings of the National Academy of Sciences of the United States of America · 2011Article
- Structure, function and evolution of insect flight muscle.Biophysics (Nagoya-shi, Japan) · 2011Review
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
To assess the ability of the thin-filament regulatory system to control each stretch-activation (SA) event in the fast beating of asynchronous insect flight muscle (IFM), we obtained fast (3.4 ms/frame) and semistatic (> or = 50 ms) x-ray diffraction recordings for IFM fibers from bumblebees (beating at 170 Hz) and compared the results with those acquired in giant waterbugs (20-30 Hz) and crane flies (40 Hz, semistatic only). In contrast to the well-documented large SA force of waterbug IFMs, the SA force of bumblebee and crane fly IFMs was small compared to their large isometric force. In semistatic recordings, step-stretched bumblebee and crane fly IFMs showed smaller net SA-associated intensity changes in reflections that report myosin attachment to actin and tropomyosin movement toward its activating position. However, fast recordings on bumblebee IFMs showed a fast and large temporary reversal of intensities in these reflections, suggesting that the myosin heads supporting isometric force are dynamically replaced by SA-supporting heads, and that tropomyosin moves to and back from its inactivating position in milliseconds. In waterbug IFMs, the fast temporary reversal of intensities was not obvious. The observed rates of the attachment/detachment of myosin heads and the motion of tropomyosin are fast enough for the thin-filament regulatory system to control each SA event in fast-beating insects.
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