News tagged with cellular membrane

Team identifies proton pathway in photosynthesis

(Phys.org) —A Purdue University-led team has revealed the proton transfer pathway responsible for a majority of energy storage in photosynthesis. Through photosynthesis, plants, algae and bacteria convert sunlight, carbon ...

Apr 22, 2013
5 / 5 (6) 1 | with audio podcast

How did early primordial cells evolve?

Four billion years ago, soon after the planet cooled enough for life to begin, primordial cells may have replicated and divided without protein machinery or cell walls, relying instead on just a flimsy lipid membrane. New ...

Feb 28, 2013
4.5 / 5 (2) 0 | with audio podcast

Lessons from herbicide tolerance

(Phys.org)—Polyamines are widespread and important organic compounds involved in multiple cellular processes in living organisms. Their levels are highly regulated through a combination of processes including ...

Aug 24, 2012
not rated yet 0 | with audio podcast

Quality-control mechanism found in bacteria

(Phys.org) -- Like quality-control managers in factories, bacteria possess built-in machinery that track the shape and quality of proteins trying to pass through their cytoplasmic membranes, Cornell biomolecular engineers ...

Aug 03, 2012
5 / 5 (1) 0 | with audio podcast