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--- 2018:groups:g5:start [2018/01/09 06:30] – [Questions & Suggestions] mendes
+++ 2018:groups:g5:start [2024/01/09 18:45] (current) – external edit 127.0.0.1
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 //Zoochlorella// spp are microscopic algae that form endosymbiotic relationships with several protists, including the ciliate //Paramecium bursaria//. As with most endosymbiotic relations of this kind, the ciliate -which is not able to do photosynthesis- gains a (relatively) stable nutrient source, while the algae gain motility and protection. In particular, //Paramecium// protects Zoochlorellae cells inside it from infection by chloroviruses, large DNA viruses that infect a range of green algae. Unable to penetrate the protist's membrane, the chloroviruses must resign themselves to adhering to the outer membrane and waiting for the //Paramecium//'s rupture.
-A possible undertaker of this task is the ciliate //Didinium nasutum//, which predates on protists like //P. bursaria//. As it feeds, it may attemp to envelop the entire //Paramecium// and, if that fails (if, for instance, the //Didinium// is too small), it breaks the protist's membrane and consumes part of the prey in a process called messy feeding. This releases the  zoochlorellae endosymbionts into the water, where they are exposed to infection by chloroviruses. Thus, the prevalence of chlorovirus infection among zoochlorellae comes to depend on two other species sharing their own predator-prey interactions.
+A possible undertaker of this task is the ciliate //Didinium nasutum//, which predates on protists like //P. bursaria//. As it feeds, it may attemp to envelop the entire //Paramecium// and, if that fails (if, for instance, the //Didinium// is too small), it breaks the protist's membrane and consumes part of the prey in a process called messy feeding.
+{{https://images.fineartamerica.com/images-medium-large/1-didinium-nasutum-ingesting-paramecium-eric-v-grave.jpg?450 }}
+This releases the  zoochlorellae endosymbionts into the water, where they are exposed to infection by chloroviruses. Thus, the prevalence of chlorovirus infection among zoochlorellae comes to depend on two other species sharing their own predator-prey interactions.
-{{https://images.fineartamerica.com/images-medium-large/1-didinium-nasutum-ingesting-paramecium-eric-v-grave.jpg?500 }}
+////Didinium// (left) attempting to phagocyte a //Paramecium// (right). Image taken from [[https://images.fineartamerica.com/images-medium-large/1-didinium-nasutum-ingesting-paramecium-eric-v-grave.jpg|here]].//
-//Didinium// (left) attempting to phagocyte a //Paramecium// (right). Image taken from [[https://images.fineartamerica.com/images-medium-large/1-didinium-nasutum-ingesting-paramecium-eric-v-grave.jpg|here]].
 ===== Assignment =====
-Develop and analyse a mathematical model to describe the coupled dynamics of the populations describe above. Your model should take into account the interactions among the species in this system. Add whatever components you see fit in order to capture the system's essential mechanisms.
+Develop and analyze a mathematical model to describe the coupled dynamics of the populations described above. Your model should take into account the interactions among the species in this system. Add whatever components you see fit in order to capture the system's essential mechanisms.
 ===== Questions & Suggestions =====