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Scientists engineer bacteria to produce renewable, engine-ready propane gas

Researchers have successfully engineered E. coli to generate renewable, engine-ready propane, which is a major sustainable fossil fuel replacement candidate.Propane has huge potential as a replacement for our rapidly dwindling fossil fuels because we already have a market for it - it's one of the main components in LPG (liquid petroleum gas), which we use in vehicles and heating. But right now it’s only produced as a byproduct of natural gas processing and petroleum refining, both of which are very unsustainable practices.

Now researchers from the Imperial College London in the UK and the University of Turku in Finland have proved that propane can be produced sustainably, by showing that the harmless gut bacteria Escherichia coli (E. coli) can be engineered to make renewable propane.

To turn the bacteria into propane-producing machines, the scientists interrupted the biological process that turns fatty acids into cell membranes. The researchers used three novel enzymes to channel the fatty acids along a different biological pathway, resulting in the bacteria producing engine-ready, renewable propane instead of cell membranes. The results are published in nature communication.

Their goal is now to insert this engineered production line into photosynthetic bacteria, which harvest energy from the sun, so that one day they’ll be able to directly convert solar energy into chemical fuel. The E. coli in this experiment were powered by sugar. The scientists also need to scale up the process - right now they’re producing 1,000 times less propane from the reaction then they would need to make the process commercially viable.

"Although this research is at a very early stage, our proof of concept study provides a method for renewable production of a fuel that previously was only accessible from fossil reserves,” said Patrik Jones, a synthetic biologist and one of the authors of the paper from the Imperial College London,  in a press release.

“Although we have only produced tiny amounts so far, the fuel we have produced is ready to be used in an engine straight away. This opens up possibilities for future sustainable production of renewable fuels that at first could complement, and thereafter replace fossil fuels like diesel, petrol, natural gas and jet fuel.”

The researchers chose to make the E. coli produce propane as opposed to gasoline or other fossil fuels, because propane can easily be converted from a liquid to a gas. The bacteria cells produce propane gas, but then the researchers can cheaply and easily transform this into a liquid that can be stored and transported.

"Fossil fuels are a finite resource and as our population continues to grow we are going to have to come up with new ways to meet increasing energy demands. It is a substantial challenge, however, to develop a renewable process that is low-cost and economically sustainable. At the moment algae can be used to make biodiesel, but it is not commercially viable as harvesting and processing requires a lot of energy and money. So we chose propane because it can be separated from the natural process with minimal energy and it will be compatible with the existing infrastructure for easy use,” said Jones.

The scientists are now trying to better understand what’s going on behind the scenes of the production process to make the process more efficient. "I hope that over the next 5-10 years we will be able to achieve commercially viable processes that will sustainably fuel our energy demands,” said Jones.

CULTURE OF E.COLI

EBOLA VIRUS AND ITS TARGET TO INDIA

Ebola now in India first case in Chennai
Use hot water and salt to take your bath in the morning, do the same when you want to drink water(hot and salt) . ...
It is said to be a traditional vaccine for Ebola.
Please don't keep this information to yourself send to all your contacts including your enemies .
God bless you as you share this...

Precautions :
The following precautions can help prevent infection and spread of Ebola and Marburg
Avoid areas of known outbreaks. ...
Wash your hands frequently. ...
Avoid bush meat. ...
Avoid contact with infected people. ...
Follow infection-control procedures. ...
Don't handle remains.

How Is Ebola Diagnosed?
Sometimes it's hard to tell if a person has Ebola from the symptoms alone. Doctors may test to rule out other diseases like cholera or malaria.

Tests of blood and tissues also can diagnose Ebola.

If you have Ebola, you’ll be isolated from the public immediately to prevent the spread.

I request my friends, share this information

A CHILD WITH ATTACK OF EBOLA

EBOLA VIRUS ATTACK ON FOREARM

MEDICAL EDUCATION AND BANGLADESH

Medical education is education related to the practice of being a medical practitioner; either the initial training to become a physician( medical school and internship), additional training thereafter (e.g., residency and fellowship), or training to become a Physician Assistant. Medical education and training varies considerably across the world. Various teaching methodologies have been utilised in medical education, which is an active area of educational research.

ENAM MEDICAL COLLEGE & HOSPITAL

Bangladesh is the leading country in the world in medical education.Though it is the poor developing country ,it has developed a lot in terms of medical education.Every year thousands of foreign students enter Bangladesh for acquiring medical education.There are many reasons which proves bangladesh as the best in terms of medical knowledge.

IS AFRICA REALLY THE' HOME OF DISEASE?'

 EBOLA AS A CHALLEGE TO SOPHISTICATED CREATURE OF THE ONLY LIVING PLANET                                 Ebola virus (EBOV, formerly designated Zaire ebolavirus) is the sole member of the Zaire ebolavirus species, and the most dangerous of the five known viruses within the genus Ebolavirus.^[1] Four of the five known ebolaviruses cause a severe and often fatal hemorrhagic feverin humans and other mammals, known as Ebola virus disease.

EBOLA VIRUS