Results 161 to 170 of about 2,940 (215)

Molecular dynamics of the matrisome across sea anemone life history. [PDF]

Elife
Bergheim BG, Cole AG, Rettel M, Stein F, Redl S, Hess MW, Ikmi A, Özbek S.   +7 more
europepmc   +1 more source

Effect of Crude Extract from the Sea Anemone Bunodeopsis globulifera on Voltage-Gated Ion Channels from Central and Peripheral Murine Nervous Systems. [PDF]

Pharmaceuticals (Basel)
Flores-Pérez AJ, Loya-López S, Ávalos-Fuentes A, Calderon-Rivera A, Damo E, Lazcano-Pérez F, Khanna R, Florán-Garduño B, Sánchez-Rodríguez J.   +8 more
europepmc   +1 more source

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Fluid Dynamics of Nematocyst Prey Capture

2018
A nematocyst is a specialized organelle within cells of jellyfish and other Cnidarians that sting. Nematocysts are also present in some single-celled protists. They contain a barbed, venomous thread that accelerates faster than almost anything else in the animal kingdom. Here we simulate the fluid–structure interaction of the barbed thread accelerating
Wanda Strychalski, Sarah Bryant, Baasansuren Jadamba, Eirini Kilikian, Xiulan Lai, Leili Shahriyari, Rebecca Segal, Ning Wei, Laura A. Miller   +8 more
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BK Channels Function in Nematocyst Discharge from Vibration-Sensitive Cnidocyte Supporting Cell Complexes of the Sea Anemone Diadumene lineata

The Biological Bulletin, 2023
Integrated chemo- and mechanosensory pathways, along with activated calcium influxes, regulate nematocyst discharge from sea anemone tentacles. Discharge from vibration-sensitive Type A cnidocyte supporting cell complexes use calcium-conducting transient
Aidan Lu, Matthew Kimble, Stephen Justinen, Dan Morris, Charles Wang, Daniel E. Martínez, D. Hessinger   +6 more
semanticscholar   +1 more source

Functional Characterization of TRPV-Like Ion Channels Involved in Nematocyst Discharge from the Sea Anemone Diadumene lineata

The Biological Bulletin, 2022
Cnidarians require mechanical stimuli to trigger nematocyst discharge and initiate feeding behaviors. The interval from triggering stimulus to response is tens of microseconds, making it likely that mechanically gated ion channels trigger nematocyst ...
Alice Nam, Selorm Quarshie, Matthew Kimble, D. Hessinger   +3 more
semanticscholar   +1 more source

Activated L-Type Calcium Channels Inhibit Chemosensitized Nematocyst Discharge from Sea Anemone Tentacles

The Biological Bulletin, 2020
Because in vivo nematocyst discharge requires extracellular Ca2+, Ca2+ channels have been suspected to be involved; but their identity and role have not been revealed.
G. Thorington, D. Hessinger
semanticscholar   +1 more source

Cnidocyte Supporting Cell Complexes Regulate Nematocyst-Mediated Feeding Behaviors in the Sea Anemone Diadumene lineata

The Biological Bulletin, 2020
Cnidarians, as model animals for studying conserved feeding behavior, possess the simplest nervous and digestive systems. Feeding behavior in cnidarians begins with nematocyst-mediated prey retention, proceeds to coordinated tentacle movements and mouth ...
Virginia McAuley, G. Thorington, D. Hessinger   +2 more
semanticscholar   +1 more source

Active Nematocyst Isolation Via Nudibranchs

Marine Biotechnology, 2009
Cnidarian venoms are potentially valuable tools for biomedical research and drug development. They are contained within nematocysts, the stinging organelles of cnidarians. Several methods exist for the isolation of nematocysts from cnidarian tissues; most are tedious and target nematocysts from specific tissues.
Ami, Schlesinger, Esti, Kramarsky-Winter, Yossi, Loya   +2 more
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Coelenterate nematocysts bind immunoglobulins

Experientia, 1982
Nematocyst capsules ofActinia equina were shown to bind immunoglobulins. Binding is not affected by EDTA-pretreatment or incubation with N-acetyl-galactosamine and N-acetyl-glucosamine.
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The Cell Biology of Nematocysts

1994
Publisher Summary This chapter focuses on the cell biology of nematocysts. Nematocysts, the most widely used term to describe the “stinging capsules” characteristic of the phylum Cnidaria, constitute the best-studied and most diverse group of cnidae, the secretory products of cnidocytes.
G M, Watson, P, Mire-Thibodeaux
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