We had a great journal club today. We were looking at a 1991 Nature paper on Wolbachia infection and its spread in California (Turelli and Hoffman, 1991. Rapid Spread of an Inherited Incompatibility Factor in California Drosophila. Nature 353: 440-442.)
Here is the "skinny"
1. The math experts are still questioning Equation 1- more to come- they are investigating earlier reports to verify some of the assumptions about the equilibrium in equation 1.
2. We had some discussion about the effect of "F"(fecundity) on the "wave" of transmission. I would have to say that the "biological/English" explanations helped sort out the math explanation... the lesson is that we all have to mind our p's and q's and read carefully to track the impact of changes (up or down) on parameters of the equations. See enchilada-marked example above (first image)
3. As Wolbachia seems to adversely impact fecundity in infected females, we can probably put this is in the "+/-" column entry into ecological species interactions- i.e. a parasitism. See whiteboard above (second image)
4. We had enchiladas from Chilitos. They were definitely unique- and definitely spicy! Here are some comments:
"spicy"
"cheesy"
"yummy chunks of green chile" (see photos- there were definitely large pieces of green chile!)
"a nose runner"
The overall score was a 3.75 (on a 1-5 scale, with 5 being the highest). The spicy was definitely a selling factor for the NM students- perhaps not so much for the Canadian faculty! (see images 3 and 4)
Stay tuned for more updates on equations/models for Wolbachia spread in Drosophila populations!
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