Electric organ
Plasticity of the electric organ discharge: implications for the regulation of ionic currents
... Weakly electric fish emit electric organ discharges (EODs) to locate objects around themselves and for ...of electric discharges, behavioral observations easily lead to testable hypotheses ...
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Differential expression of genes and proteins between electric organ and skeletal muscle in the mormyrid electric fish Brienomyrus brachyistius
... adult electric organ (see Kirschbaum, 1983)] consisting of 64 species (Albert, 2003), EOs are derived during development from skeletal muscle tissue (Bass, 1986; Bennett, ...‘weakly electric’ ...
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Integrated genomics and proteomics of the Torpedo californica electric organ: concordance with the mammalian neuromuscular junction
... Electric organ proteome compared to skeletal muscle proteome to assess the degree of ‘ muscle likeness ’ Electric organ literature claims that a ‘ muscle-like ’ phe- notype is maintained after ...
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The Release of Phosphate From the Electric Organ of Torpedo
... In the present experiments analyses have been made on the fluid issuing from a perfused electric organ during stimulation to find out if an outward movement of phosphate takes place duri[r] ...
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Effects of social interaction on the electric organ discharge in a mormyrid fish, Gnathonemus petersii (Mormyridae, Teleostei)
... discharging electric fish (family Mormyridae) use their self-generated electric signals [electric organ discharges (EODs)] and their electroreceptive abilities for orientation and ...
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Rapid acetylcholine and adenosine triphosphate oscillations triggered by stimulation of the Torpedo electric organ
... RAPID ACETYLCHOLINE AND ADENOSINE TRIPHOSPHATE OSCILLATIONS TRIGGERED BY STIMULATION OF THE TORPEDO ELECTRIC ORGAN BY M.. MEUNIER Dipartement de Neurochimie, Laboratoire de Neurobiologie[r] ...
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Changes in electric organ discharge after pausing the electromotor system of Gymnotus carapo
... Fig. 6. (A) Effects of pausing on the postsynaptic potential (PSP)- derived phase 1 of the electric organ discharge (EOD) (see Fig. 2). The example shows phase 1 of the 1st (red), 20th (blue), 500th (green) ...
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Resolving competing theories for control of the jamming avoidance response: the role of amplitude modulations in electric organ discharge decelerations
... Experiments were performed in a tank (60 cm×60 cm×13 cm) circulated with aerated and filtered water (27 °C). Water resistivity was strictly regulated between 4 and 6.6 kΩcm in all experiments. Electrical behaviors ...
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Sensitivity to novel feedback at different phases of a gymnotid electric organ discharge
... Weakly electric fish communicate and electrolocate objects in the dark by discharging their electric organs (EOs) and monitoring the spatiotemporal pattern of current flow through their ...the organ ...
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Mechanisms of muscle gene regulation in the electric organ of Sternopygus macrurus
... gymnotiform electric fish Sternopygus macrurus to trans-differentiate into electrocytes, the non-contractile electrogenic cells of the electric organ (EO), to investigate the mechanisms that regulate ...
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The electric organ discharge of pulse gymnotiforms: the transformation of a simple impulse into a complex spatio temporal electromotor pattern
... Weakly electric fish produce electric fields that are not strong enough for prey capture or defence but convey signals for communication and exploration of the nearby environment (Lissmann, ...weakly ...
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Dynamic imaging of functional nerve terminals and Schwann cells in presynaptic 'nerve plates' isolated from the skate electric organ
... weakly electric marine rays (Bennett, 1961, 1970) which generate small discharges of 1–4 V from paired, spindle-shaped electric organs located amongst the tail ...Each organ consists of thousands of ...
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Waveform generation in the weakly electric fish Gymnotus coropinae (Hoedeman): the electric organ and the electric organ discharge
... seven parallel wires perpendicular to the main axis of the body, placed in contact with the skin, one at each extreme of the fish and the others at the limits of the explored regions. Six regions of the fish body were ...
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Electric organ discharge diversity in the genus Gymnotus: anatomo functional groups and electrogenic mechanisms
... of electric organ discharge (EOD) waveforms in ...(3) electric activity of electromotor axons preceding the discharge of ...the electric organ (EO); (5) the neural mechanisms of ...
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Development and regeneration of the electric organ
... To identify the source of the cells that contribute to the blastema, injections of bromodeoxyuridine (BrdU), a thymidine analog, were made into fish 24 h after amputation of the tail. When tail stumps were examined 3 h ...
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Waveform diversity of electric organ discharges: the role of electric organ auto excitability in Gymnotus spp
... Fig. 5. The central region of the electric organs (EOs) and their electric organ discharges (EODs). (A) Microphotograph of a silver impregnated parasagittal section of the EO showing the ...
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Electric organ discharges and electric images during electrolocation
... The multiphasic head-to-tail waveform is a mere shadow of the elaborate EOD spatiotemporal pattern (B. Rasnow, P. K. Stoddard and C. Assad, in preparation). The EOD begins with a long-lasting weak dipolar phase in the ...
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Identification of agrin in electric organ extracts and localization of agrin like molecules in muscle and central nervous system
... The portion of the muscle fibre's basal lamina that occupies the synaptic cleft at the neuromuscular junction contains molecules that cause the aggregation of acetylcholine receptors and[r] ...
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Influence of water temperature on the electric organ discharge (EOD) of the weakly electric fish Marcusenius cyprinoides (Mormyridae)
... The effect of the higher water temperatures on this 'main' mode is in fact comparable with that of increased motor activity, as described by Moller 1970 and Serrier 1974, even though the[r] ...
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The energetics of electric organ discharge generation in gymnotiform weakly electric fish
... Weakly electric fish generate an electric signal to sense their environment and communicate with conspecifics over their entire ...of electric fish is responsible for 60% of resting energy ...
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