Neurotoxins

Name		    Source		Neuronal Action----------	    ------		---------------agotoxin	    Funnel Web Spider   Blocks calcium channelsalpha-bungarotoxin  Krait		Blocks acetylcholine receptorAnatoxin	    Algae		Acetylcholine receptor agonistApamin		    Honey bee   	Blocks potassium channelsBatrachotoxin       Poison Arrow Frog   Prevents sodium channel closureBotulinum toxin	    Bacteria    	Blocks acetylcholine releaseBrevetoxin	    Red Tide Dinofl.    Activates sodium channelsCapsaicin	    Cayenne Pepper	Excites peripheral nerve endingsCharybdotoxin	    Scorpion    	Blocks potassium channelsChlorotoxin	    Scorpion	 	Blocks chloride channelsConotoxin	    Cone Snail		Blocks calcium channelsCrotoxin	    Rattlesnake	        Reduces acetylcholine releaseDendrotoxin	    Green Mamba	        Blocks voltage-gated potassium ch.Domoic acid	    Blue mussel	  	Glutamate/kainate receptor agonistGonyautoxin	    Dinoflagellate	Block sodium channelsIberiotoxin	    Scorpion		Blocks potassium channelsJoro spider toxin   Joro spider		Blocks glutamate receptorsKaliotoxin	    Scorpion		Blocks potassium channelsLatrotoxin	    Black widow Spider  Enhances neurotransmitter releaseMandarntoxin	    Wasp		Blocks sodium action potentialsNotexin		    Tiger snake		Reduces ACh releaseNoxiustoxin	    Scorpion	   	Blocks sodium channelsPalytoxin           Soft coral		Activates sodium channelsParadaxin	    Pacific sole	Increases neurotransmitter releaseSaxitoxin           Dinoflagellate	Blocks sodium channelsTetrodotoxin (TTX)  Pufferfish 		Blocks sodium conductance

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