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UID:1066@biotech.technion.ac.il
DTSTART;TZID=Asia/Jerusalem:20211117T160000
DTEND;TZID=Asia/Jerusalem:20220202T164952
DTSTAMP:20220512T124718Z
URL:https://biotech.technion.ac.il/events/how-to-hijack-photosynthesis-2/
SUMMARY:How to hijack photosynthesis?
DESCRIPTION:Hydrogen (H2) gas is a clean energy carrier featuring zero carb
 on emissions. However\, of 90 million tons of H2 annually produced\, more 
 than 85 million tons are produced by steam reforming of fossil fuels\, rel
 easing massive amounts of CO2\, CO and other pollutants into the atmospher
 e. To make H2 a sustainable energy source\, it needs to be sustainable alo
 ng the entire life cycle. We propose the development of H2 photoproduction
  by green algae. This is a promising solution since it does not require ex
 pensive\, or hazardous raw materials (such as fossil fuels)\, and it consu
 mes only water\, some ubiquitous minerals\, and sunlight. Photosynthetic h
 ydrogen production from green microalgae is a promising and attracting way
  of renewably producing H2. Unfortunately\, this method although promising
 \, never left the lab since its discovery. The main reason for this stagna
 tion has been the lack of an algae strain which can overcome the two scale
  up limitations: i) the oxygen sensitivity of the H2 production process. i
 i) energy loss to competing processes\, mainly the sugar production.  Pho
 tosynthetic energy\, channeled through electron flow\, is primarily used t
 o power the fixation of CO2 into organic matter\, it can also power other 
 limited processes\, such as H2 production via the enzyme Hydrogenase. The 
 key for diverting the energy from CO2 fixation to of H2 production or othe
 r chemicals is to unveil and exploit new photosynthetic hotspots\, where e
 lectron flow can be redirected towards the chosen target. This is exactly 
 what our lab does and will be described in the seminar\, “how to hijack 
 photosynthesis”\n\n 
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