Sorry, but this makes no sense to me. I do believe that the immunities are caused by certain genes creating proteins or other organic structures which out compete the venom for its binding site (ie, sugar structures near the acetylcholine binding site on muscle receptors which inhibit the binding of venom). A lack of venom should not change this at all.

Has it been show that mambas are immune to their own venom? While I know some snakes are, I don't think they all are, and maybe not all have been studied either. It would be very interesting to me to hear a mechanism on how lack of venom leads to lack of immunity at the molecular level, very interesting if this turns out to be the case.
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Nick Puder
www.rnpreptiles.com

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