At GISS, through membership in the Virtual Planetary Laboratory team of the NASA Astrobiology Institute, research by Nancy Kiang is probing the long wavelength limit
of oxygenic photosynthesis.
The cyanobacterium Acaryochloris marina is being studied as a model organism for alternative pigment signatures
of oxygenic photosynthesis adapted, for example, to the light of red dwarf stars.
Think of all the work on the Neoproterozoic Snowball Earth, the evolution
of oxygenic photosynthesis on the Early Earth and its role in the transition from a methane - dominated to a CO2 - dominated greenhouse, Martian paleoclimate, the climate of Venus and Titan, the nature of the glacial - interglacial cycles, and so many more.
The evolution
of oxygenic photosynthesis and...
Simple biogeochemical flux modeling suggests that, if the Archean Earth was kept warm by a methane greenhouse, then the evolution
of oxygenic photosynthesis could have triggered a Snowball Earth event on a time scale as short as about a million years (Kopp et al., 2005).
«The only reason we have a well - oxygenated planet we can live on is because
of oxygenic photosynthesis,» Planavsky said.
Not exact matches
Look at everything around you, look at the CHANCE evolutionarily that an
oxygenic bacteria would emerge out
of the primordial soup and multiply.
In the couple
of billion years that followed, their
oxygenic exhaust fumes slowly did the job.
The researchers are exploring how this protein functions at the crossroad
of calcium - and redox - dependent reactions to promote efficient
oxygenic photosynthesis.
Thereby Calredoxin functions at the crossroad
of calcium - and redox - dependent reactions to promote efficient
oxygenic photosynthesis.
The symposium lectures given by renowned specialists in the field will focus on recent progress in the knowledge
of structure, biogenesis and function
of important pigment — protein complexes participating in
oxygenic and anoxygenic photosynthesis.