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Cardiomyocyte sarcomere length variability: Membrane fluorescence versus second harmonic generation myosin imaging

Oleg Lookin, Pieter de Tombe, Najlae Boulali, Csilla Gergely, Thierry Cloitre, Olivier Cazorla

J Gen Physiol (2023) 155 (4): e202213289.

DOI: https://doi.org/10.1085/jgp.202213289

Published: 25 January 2023

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Myosin-binding protein C stabilizes, but is not the sole determinant of SRX myosin in cardiac muscle

Shane Nelson, Samantha Beck-Previs, Sakthivel Sadayappan, Carl Tong, David M. Warshaw

J Gen Physiol (2023) 155 (4): e202213276.

DOI: https://doi.org/10.1085/jgp.202213276

Published: 23 January 2023

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Includes: Supplementary data

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Sarcomere length affects Ca²⁺ sensitivity of contraction in ischemic but not non-ischemic myocardium

Bertrand C.W. Tanner, Peter O. Awinda, Keinan B. Agonias, Seetharamaiah Attili, Cheavar A. Blair, Mindy S. Thompson, Lori A. Walker, Thomas Kampourakis, Kenneth S. Campbell

J Gen Physiol (2023) 155 (3): e202213200.

DOI: https://doi.org/10.1085/jgp.202213200

Published: 12 January 2023

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Includes: Supplementary data

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Conformational changes linked to ADP release from human cardiac myosin bound to actin-tropomyosin

Matthew H. Doran, Michael J. Rynkiewicz, David Rassici, Skylar M.L. Bodt, Meaghan E. Barry, Esther Bullitt, Christopher M. Yengo, Jeffrey R. Moore, William Lehman

J Gen Physiol (2023) 155 (3): e202213267.

DOI: https://doi.org/10.1085/jgp.202213267

Published: 12 January 2023

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Fluorescence lifetime-based assay reports structural changes in cardiac muscle mediated by effectors of contractile regulation

Alexey V. Dvornikov, Thomas A. Bunch, Victoria C. Lepak, Brett A. Colson

J Gen Physiol (2023) 155 (3): e202113054.

DOI: https://doi.org/10.1085/jgp.202113054

Published: 12 January 2023

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Includes: Supplementary data

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Acid-sensing ion channel 1a activates IK_Ca/SK_Ca channels and contributes to endothelium-dependent dilation

Selina M. Garcia, Jay S. Naik, Thomas C. Resta, Nikki L. Jernigan

J Gen Physiol (2022) 155 (2): e202213173.

DOI: https://doi.org/10.1085/jgp.202213173

Published: 09 December 2022

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Myosin loop-4 is critical for optimal tropomyosin repositioning on actin during muscle activation and relaxation

Matthew H. Doran, Michael J. Rynkiewicz, Elumalai Pavadai, Skylar M.L. Bodt, David Rasicci, Jeffrey R. Moore, Christopher M. Yengo, Esther Bullitt, William Lehman

J Gen Physiol (2022) 155 (2): e202213274.

DOI: https://doi.org/10.1085/jgp.202213274

Published: 02 December 2022

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Includes: Supplementary data

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Myosin essential light chain 1sa decelerates actin and thin filament gliding on β-myosin molecules

Jennifer Osten, Maral Mohebbi, Petra Uta, Faramarz Matinmehr, Tianbang Wang, Theresia Kraft, Mamta Amrute-Nayak, Tim Scholz

J Gen Physiol (2022) 154 (10): e202213149.

DOI: https://doi.org/10.1085/jgp.202213149

Published: 02 September 2022

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Includes: Supplementary data

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Molecular-level evidence of force maintenance by smooth muscle myosin during LC₂₀ dephosphorylation

Megan Jean Hammell, Linda Kachmar, Zsombor Balassy, Gijs IJpma, Anne-Marie Lauzon

J Gen Physiol (2022) 154 (10): e202213117.

DOI: https://doi.org/10.1085/jgp.202213117

Published: 24 August 2022

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Includes: Supplementary data

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Specific ATPases drive compartmentalized glycogen utilization in rat skeletal muscle

Joachim Nielsen, Peter Dubillot, Marie-Louise H. Stausholm, Niels Ørtenblad

J Gen Physiol (2022) 154 (9): e202113071.

DOI: https://doi.org/10.1085/jgp.202113071

Published: 07 July 2022

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Biological noise is a key determinant of the reproducibility and adaptability of cardiac pacemaking and EC coupling

Laura Guarina, Ariana Neelufar Moghbel, Mohammad S. Pourhosseinzadeh, Robert H. Cudmore, Daisuke Sato, Colleen E. Clancy, Luis Fernando Santana

J Gen Physiol (2022) 154 (9): e202012613.

DOI: https://doi.org/10.1085/jgp.202012613

Published: 28 April 2022

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Lower troponin expression in the right ventricle of rats explains interventricular differences in E–C coupling

Young Keul Jeon, Jae Won Kwon, Jihyun Jang, Seong Woo Choi, Joohan Woo, Su Han Cho, Byeong Il Yu, Yang Sook Chun, Jae Boum Youm, Yin Hua Zhang, Sung Joon Kim

J Gen Physiol (2022) 154 (3): e202112949.

DOI: https://doi.org/10.1085/jgp.202112949

Published: 31 January 2022

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Functional and structural differences between skinned and intact muscle preparations

Alex Lewalle, Kenneth S. Campbell, Stuart G. Campbell, Gregory N. Milburn, Steven A. Niederer

J Gen Physiol (2022) 154 (2): e202112990.

DOI: https://doi.org/10.1085/jgp.202112990

Published: 19 January 2022

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Journal Articles

Structural basis of the super- and hyper-relaxed states of myosin II

Roger Craig, Raúl Padrón

J Gen Physiol (2021) 154 (1): e202113012.

DOI: https://doi.org/10.1085/jgp.202113012

Published: 10 December 2021

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Angiotensin 1–7 prevents the excessive force loss resulting from 14- and 28-day denervation in mouse EDL and soleus muscle

Hind Albadrani, T. Ammar, Michael Bader, Jean-Marc Renaud

J Gen Physiol (2021) 153 (12): e201912556.

DOI: https://doi.org/10.1085/jgp.201912556

Published: 05 November 2021

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Journal Articles

Myosin motors that cannot bind actin leave their folded OFF state on activation of skeletal muscle

Massimo Reconditi, Elisabetta Brunello, Luca Fusi, Marco Linari, Vincenzo Lombardi, Malcolm Irving, Gabriella Piazzesi

J Gen Physiol (2021) 153 (11): e202112896.

DOI: https://doi.org/10.1085/jgp.202112896

Published: 20 October 2021

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Synchrony of sarcomeric movement regulates left ventricular pump function in the in vivo beating mouse heart

Fuyu Kobirumaki-Shimozawa, Togo Shimozawa, Kotaro Oyama, Shunsuke Baba, Jia Li, Tomohiro Nakanishi, Takako Terui, William E. Louch, Shin’ichi Ishiwata, Norio Fukuda

J Gen Physiol (2021) 153 (11): e202012860.

DOI: https://doi.org/10.1085/jgp.202012860

Published: 04 October 2021

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Includes: Supplementary data

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The muscle M3 x-ray diffraction peak and sarcomere length: No evidence for disordered myosin heads out of actin overlap

John M. Squire, Carlo Knupp

J Gen Physiol (2021) 153 (10): e202012859.

DOI: https://doi.org/10.1085/jgp.202012859

Published: 04 August 2021

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Journal Articles

Loss of crossbridge inhibition drives pathological cardiac hypertrophy in patients harboring the TPM1 E192K mutation

Lorenzo R. Sewanan, Jinkyu Park, Michael J. Rynkiewicz, Alice W. Racca, Nikolaos Papoutsidakis, Jonas Schwan, Daniel L. Jacoby, Jeffrey R. Moore, William Lehman, Yibing Qyang, Stuart G. Campbell

J Gen Physiol (2021) 153 (9): e202012640.

DOI: https://doi.org/10.1085/jgp.202012640

Published: 28 July 2021

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Journal Articles

Muscle ankyrin repeat protein 1 (MARP1) locks titin to the sarcomeric thin filament and is a passive force regulator

In Special Collection:

Biophysics 2022

Robbert J. van der Pijl, Marloes van den Berg, Martijn van de Locht, Shengyi Shen, Sylvia J.P. Bogaards, Stefan Conijn, Paul Langlais, Pleuni E. Hooijman, Siegfried Labeit, Leo M.A. Heunks, Henk Granzier, Coen A.C. Ottenheijm

J Gen Physiol (2021) 153 (7): e202112925.

DOI: https://doi.org/10.1085/jgp.202112925

Published: 21 June 2021

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Includes: Supplementary data

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Cardiomyocyte sarcomere length variability: Membrane fluorescence versus second harmonic generation myosin imaging

Myosin-binding protein C stabilizes, but is not the sole determinant of SRX myosin in cardiac muscle

Sarcomere length affects Ca²⁺ sensitivity of contraction in ischemic but not non-ischemic myocardium

Conformational changes linked to ADP release from human cardiac myosin bound to actin-tropomyosin

Fluorescence lifetime-based assay reports structural changes in cardiac muscle mediated by effectors of contractile regulation

Acid-sensing ion channel 1a activates IK_Ca/SK_Ca channels and contributes to endothelium-dependent dilation

Myosin loop-4 is critical for optimal tropomyosin repositioning on actin during muscle activation and relaxation

Myosin essential light chain 1sa decelerates actin and thin filament gliding on β-myosin molecules

Molecular-level evidence of force maintenance by smooth muscle myosin during LC₂₀ dephosphorylation

Specific ATPases drive compartmentalized glycogen utilization in rat skeletal muscle

Biological noise is a key determinant of the reproducibility and adaptability of cardiac pacemaking and EC coupling

Lower troponin expression in the right ventricle of rats explains interventricular differences in E–C coupling

Functional and structural differences between skinned and intact muscle preparations

Structural basis of the super- and hyper-relaxed states of myosin II

Angiotensin 1–7 prevents the excessive force loss resulting from 14- and 28-day denervation in mouse EDL and soleus muscle

Myosin motors that cannot bind actin leave their folded OFF state on activation of skeletal muscle

Synchrony of sarcomeric movement regulates left ventricular pump function in the in vivo beating mouse heart

The muscle M3 x-ray diffraction peak and sarcomere length: No evidence for disordered myosin heads out of actin overlap

Loss of crossbridge inhibition drives pathological cardiac hypertrophy in patients harboring the TPM1 E192K mutation

Muscle ankyrin repeat protein 1 (MARP1) locks titin to the sarcomeric thin filament and is a passive force regulator

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