A good TQ is one that invites another question. We previously asked: Invertebrates are said to have only innate immunity. Why do you suppose they have not evolved acquired immunity, as vertebrates have done? Let us now turn it around and ask: Why have vertebrates evolved acquired immunity?
I think this TQ is a very interesting question (and a significant one for the squid-vibrio system). I'd answer this question with ANOTHER question: What is different about the microbial interactions vertebrates experience compared to invertebrates?
Posted by: Amber | June 29, 2007 at 09:09 AM