Gene Transfer Agents: Viral Progenitors or Revamped Phages? Olga Zhaxybayeva will host Thomas J. Beatty, PhD, Univ. of British Columbia. Co-sponsored by the Simons Foundation.

Apparent Competition and the Population Viability of Woodland Caribou. Derek Lee, EEB grad. student, will host John Fryxell PhD, Univ. of Guelph.

Giraffe Demography in the Fragmented Tarangire Ecosystem. Derek Lee, EEB graduate student, will present his PhD thesis.

Flavin-based Electron Bifurcation: The Key to the Energy Metabolism of Acetogenic Bacteria. Jonathan Lo, MCB program, will host Rudolf K. Thauer, PhD, Max Planck Institute.

Electron Metabolism & Ethanol Formation in Clostridium thermocellum & Thermoanaerobacterium saccharolyticum. Jonathan Lo, MCB graduate program, will present his PhD thesis.

What Happens in an Aquatic Food Web When You Put Fish on the Birth Control Pill? Celia Chen will host Karen Kidd, PhD, Univ. of New Brunswick.

Timing is Everything: Phenological Change and the Implications for Plants, Pollinators and their Interactions. Zak Gezon, EEB graduate student, will present his PhD thesis.

Microgeographic Patterns of Adaptation Across Elevation in Boechera stricta. Zak Gezon, EEB graduate student, will host Jill Anderson PhD, Univ. of Georgia.

From Shaker to SUMO: Potassium Channels in Epilepsy. Michael Hoppa will host Jeffrey Noebels, MD/PhD, Baylor College of Medicine.

Building an Adaptive Genome Defense System. Sharon Bickel and Gio Bosco will co-host William Theurkauf, PhD, UMass-Medical School.