This is an archived course. A more recent version may be available at

Molecular Biogeochemistry

As taught in: Fall 2006

Hot spring sample of biomass.

Yellowstone National Park 'Ojo Caliente' hot spring sample of biomass from a 'streamer' community. (Image by Prof. Roger Summons.)


Prof. Roger Summons

MIT Course Number:




Course Description

This course covers all aspects of molecular biosignatures from their pathways of lipid biosynthesis, the distribution patterns of lipid biosynthetic pathways with regard to phylogeny and physiology, isotopic contents, occurrence in modern organisms and environments, diagenetic pathways, analytical techniques and the occurrence of molecular fossils through the geological record.