Video 2.

Ventricular myocyte in the beating heart in vivo with image sequence reconstruction. Cardiomyocyte expressing α-actinin–AcGFP located in the central part of the LV was imaged (see Figs. 6B and S4, A–D). Objective lens, 60× (N/A, 1.00; water immersion). Speed, 100 fps. Bar, 10 µm.

Nano-imaging of the beating mouse heart in vivo: Importance of sarcomere dynamics, as opposed to sarcomere length per se, in the regulation of cardiac function

Fuyu Kobirumaki-Shimozawa, Kotaro Oyama, Togo Shimozawa, Akari Mizuno, Takashi Ohki, Takako Terui, Susumu Minamisawa, Shin’ichi Ishiwata, and Norio Fukuda

DOI: 10.1085/jgp.201511484