The day started with a GREAT breakfast: eggs, potatoes and sausage. Then we had another scintillating lecture from our own Dr. Carolyn about the influence of ocean acidification on marine calcifiers with respect to marine diseases. This lecture was quite concerning and I could feel myself becoming more and more desperate about what to do about this as the lecture went on. That’s why it is important to study ocean acidification so that we know what to do about it. Anyway, we followed that lecture up nicely with a field trip to the OA lab in lab 12. I’m not sure I have enough of a chemistry background to understand all of what was being done there but I still enjoyed learning as much as I could. Then Rachel and I made another PCR mix (I made sure to monitor my ego and all the other reagents very carefully so I have high hopes for this one). Then we had another lecture that I really learned a lot from about how disease resistance and tolerance is known to have played a role in 3 different case studies. Case study #1 about Renibacterium salmoninarum in salmonids was probably the one that I learned the most from. I guess I am just the most comfortable with bacteria. Anyway it turns out Renibacterium salmoniarum is a gram positive (meaning it has a thick cell wall made of peptidoglycan that takes up crystal blue stain and retains much of it after a decolorization step) bacteria that infects intracellular tissues of the kidney in Chinook salmon especially. I did not know that Chinook salmon were introduced to Lake Michigan in 1960s for sport. I found myself thinking about what a great move that was. I mean seriously did nobody at any point think to themselves perhaps we don’t need these fish here as bad as we think we do? Anyway, I guess it made for a good pathology study.