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Dr. Fabien Burki: On the origin of plastids: new insights from elusive marine microbes

Jun 14, 2022
Join our invitational seminar!

Thursday, June 14, 2022
at 3:00 p.m. (15:00 Uhr)

Dr. Fabien Burki (Department of Organismal Biology, Uppsala University, Sweden)

will give a digital seminar with the title:

"On the origin of plastids: new insights from elusive marine microbes"

 You are welcome to join.

 
Lecture hall
Lecture hall

On the origin of plastids: new insights from elusive marine microbes

The origin of the photosynthetic organelles–the plastids–in eukaryotes, some 1.5-2 billion years ago, was one of the most transformative events in the history of life. It resulted in an explosion of diversity of trees and all eukaryotic algae, allowing life as we know it to evolve. Despite this critical importance, however, we still know little of the evolution of the early photosynthetic eukaryotes. In this presentation, I will first provide a brief review on the origin of plastid by endosymbiosis, and where in the eukaryotic tree of life we find plastids. I will then show how the discovery and recent single-cell genomics of an elusive marine microbial eukaryotic group–the Picozoa–complexifies the current paradigm of plastid origin. I will conclude by presenting a new model of plastid origin that includes a diversity of deep-branching unknown taxa similar to Picozoa, which I argue need to be discovered and accounted for.

To join the seminar, please use the following link:

 

For further information, please get in touch!

 
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