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Revision as of 05:23, 21 October 2019
Predator-Prey Model
Predator-prey models can deal with the general loss-win interactions. Our group use predator-prey model to construct the relationship between two algaes, Oxyrrhis marina and Dunaliella tertiolecta.
Parameters
- D.T: Concentration of Dunaliella tertiolecta
- O.M: Concentration of Oxyrrhis marina
- a: Rate D.T is added to the system
- b: D.T growth rate
- c: Predation rate
- d: O.M growth rate
- f: O.M death rate
The model satisfies the identity:
The reason a predator/prey model for Oxyrrhis marina and Dunaliella tertiolecta is being viewed in ASP-8A rather than F2 media (the media GSU iGEM decided to grow O. marina in) is because the team noticed than D. tertiolecta will begin to overgrow in ASP-8A media alongside the O. marina and eventually outcompete O. marina in the culture. This observation was made from June through August when the different types of media were being tested. The goal is to examine how much to feed the predator (O. marina) until the prey (D. tertiolecta) begins to overgrow.
We start 5 different Dunaliella tertiolecta amount to feed in each 75ml flask. The start points are 0.25 ml, 0.5ml, 1.0ml, 1.5ml, 2.0ml of concentration of 792,000/ml.