OEB Thesis Seminar

2016 Apr 26

Shelbi Russell Thesis Defense (Cavanaugh Lab)

2:30pm to 3:30pm

Location: 

Geological Lecture Hall, 24 Oxford St.

Title:  Mode and fidelity of bacterial symbiont transmission and its impact on symbiont genome evolution

Abstract:  Mutualistic symbioses have enabled the colonization of novel habitats and niches in a large array of eukaryotic and bacterial taxa. Reliable mechanisms of symbiont transmission between host generations are necessary to stabilize these associations over evolutionary time. Historically, symbionts have been categorized as either vertically transmitted from the parents to offspring or horizontally...

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2016 Apr 20

Talia Moore Thesis Defense (Biewener Lab and Losos Lab)

3:15pm to 4:15pm

Location: 

Biological Labs Main Lecture Hall, 16 Divinity Avenue

Title:  An Integrative Investigation of Convergent Bipedal Locomotion in Desert Rodents

Abstract:  Bipedalism is commonly assumed to be an adaptive convergence because it has evolved independently three times in small desert rodents. However, the functional benefits of bipedality in this ecosystem have long been unclear. In this thesis I integrate phylogenetics, functional...

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2016 Apr 01

Heather Olins Thesis Defense (Girguis Lab)

1:00pm to 2:00pm

Location: 

Biological Labs Main Lecture Hall, 16 Divinity Avenue

Title:  Abiotic Influences on Free-Living Microbial Communities in Hydrothermal Vent Ecosystems

 Abstract:  Hydrothermal vent ecosystems are defined by steep thermal and chemical gradients. Chemosynthetic microorganisms are the primary producers in these systems, utilizing the available chemical energy to support substantial animal biomass. The variety of chemical substrates provided by hydrothermal fluid and the surrounding seawater enables a metabolically...

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2016 Mar 23

Oliver Hauser Thesis Defense (Nowak Lab)

12:00pm to 1:00pm

Location: 

Seminar Room, Program for Evolutionary Dynamics, 1 Brattle Sq, 6th Floor

Title: Challenging Cooperation: Inequality, Global Commons, Future Generations

Abstract:  Cooperation is abundant in the world around us, spanning all levels of biological and social organisation. Yet the existence and maintenance of cooperation is puzzling from an evolutionary perspective because the costs borne to cooperating individuals put them at an evolutionary disadvantage. We thus require an understanding of mechanisms and institutions that can enable cooperation to thrive and be maintained. In this...

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2015 Jun 12

Laura Lagomarsino Thesis Defense (Davis Lab)

10:00am

Location: 

Biological Labs Main Lecture Hall

Title:  The Systematics and Evolution of Neotropical Bellflowers (Campanulaceae: Lobelioideae)

Abstract:  The Andean mountain chains of South America are home to exceptionally high levels of biodiversity, including one-sixth of all plant species. Among them, the 550 species in the Neotropical bellflower clade (Campanulaceae: Lobelioideae) represent one of the single largest Andean...

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