Navigation Links
Self-destructing bacteria improve renewable biofuel production
Date:12/7/2009

TEMPE, Ariz.- An Arizona State University research team has developed a process that removes a key obstacle to producing lower-cost, renewable biofuels. The team has programmed a photosynthetic microbe to self-destruct, making the recovery of high-energy fats--and their biofuel byproducts--easier and potentially less costly.

"The real costs involved in any biofuel production are harvesting the goodies and turning them into fuel," said Roy Curtiss, director of the Biodesign Institute's Center for Infectious Diseases and Vaccinology and professor in the School of Life Sciences. "This whole system that we have developed is a means to a green recovery of materials not requiring energy dependent physical or chemical processes."

Curtiss is part of a large, multidisciplinary ASU team that has been focusing on optimizing photosynthetic microbes, called cyanobacteria, as a source of renewable biofuels. These microbes are easy to genetically manipulate and have a potentially higher yield than any plant crops currently being used as transportation fuels.

But, until now, harvesting the fats from the microbes required many cost-intensive processing steps. Cyanobacteria have a multi-layer, burrito-like, protective set of outer membranes that help the bacteria thrive in even harsh surroundings, creating the pond scum often found in backyard swimming pools.

To get the cyanobacteria to more easily release their precious, high fat cargo, Curtiss and postdoctoral researcher Xinyao Liu, placed a suite of genes into photosynthetic bacteria that were controlled by the simple addition of trace amounts of nickel to the growth media.

"Genetics is a very powerful tool," said Liu. "We have created a very flexible system that we can finely control."

The genes were taken from a mortal bacterial enemy, called a bacteriaphage, which infect the bacteria, eventually killing the microbes by causing them to burst like a balloon. The scie
'/>"/>

Contact: Joe Caspermeyer
joseph.caspermeyer@asu.edu
480-727-0369
Arizona State University
Source:Eurekalert

Page: 1 2 3

Related biology news :

1. Shuttle brings space-grown strep bacteria back for study
2. The worlds oldest bacteria
3. Bacteria from sponges make new pharmaceuticals
4. Boston University biomedical engineers find chink in bacterias armor
5. University of Leicester scientists discover technique to help friendly bacteria
6. Spaceflight shown to alter ability of bacteria to cause disease
7. A tiny pinch from a z-ring helps bacteria cells divide
8. Legionnaires bacterial proteins work together to survive
9. Scripps research team blocks bacterial communication system to prevent deadly staph infections
10. NSF awards Stevens team $1 million for research on smart, bacteria-repellent nanohydrogels
11. Chemical compound present in detergents produce bacteria alterations in agricultural soils
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:7/24/2014)... YORK, NY (July 24, 2014) Scientists at ... Institute are one step closer to creating a ... a patient,s own cells. , For the ... (iPS) cells lines from skin samples of patients ... developed an accelerated protocol to induce these stem ...
(Date:7/24/2014)... of native animal species for food or commercial food ... factor in the decline of many species of primates ... that more than half of the species being consumed ... "By surveying not only the meat made available for ... the forest by hunters and brought to villages for ...
(Date:7/24/2014)... of 3.5 billion years of evolutionary trial and error, ... it may be reaching a tipping point. , In ... data published in Science , an international team ... animals is contributing to what appears to be the ... event. , Since 1500, more than 320 terrestrial vertebrates ...
Breaking Biology News(10 mins):NYSCF scientists one step closer to cell therapy for multiple sclerosis patients 2Stanford biologist warns of early stages of Earth's 6th mass extinction event 2Stanford biologist warns of early stages of Earth's 6th mass extinction event 3
... human evolution follows a progressive trajectory is one of ... is often expressed in popular media by showing cavemen ... a notable exception). But is this assumption correct? ... In a paper published in the ...
... stop the spread of a deadly fungus that is threatening ... a new mathematical model. , White-nose syndrome, which is estimated ... year period, is probably caused by a newly discovered cold-adapted ... WNS is passed from bat to bat and concludes that ...
... and warms the world,s oceans with carbon emissions, the harder ... That,s the blunt message from a major new study ... and global warming will combine with local impacts like overfishing ... when they are struggling to survive. Modelling by a ...
Cached Biology News:Earliest humans not so different from us, research suggests 2Earliest humans not so different from us, research suggests 3Culling can't control deadly bat disease 2Acid oceans demand greater reef care 2
(Date:7/25/2014)... Muncie, IN (PRWEB) July 25, 2014 ... Administration (FAA) has granted a 60-day extension for the ... of the Special Rule for Model Aircraft established by ... Act of 2012. The 60-day extension establishes the new ... the United States Department of Transportation/FAA notice published in ...
(Date:7/24/2014)... Calabasas, CA (PRWEB) July 24, 2014 ... advancing the Global Supply Chain of the biotech ... annual SCM Innovation Awards, brought to you by ... premiere global organization of supply chain management professionals ... be given to stakeholders of the Biotech industry ...
(Date:7/24/2014)... Security forces worldwide rely on sophisticated equipment, trained ... other public areas against terrorist attacks. A revolutionary ... about to make their job much easier. , ... Patolsky of Tel Aviv University ,s School of ... developed by the Herzliya company Tracense, picks up ...
(Date:7/24/2014)... prefer to settle into equilibriuma state of unchanging ... realm of non-equilibrium conditions where new possibilities lie. ... phases, such as temperature fluctuations, freezing and melting, ... their body temperature, airplanes to fly, and the ... But even though these conditions exist naturally and ...
Breaking Biology Technology:FAA Grants Comment Extension at the Request of AMA 2Call for Submission: BSMA’s Supply Chain Management Innovation Awards 2Call for Submission: BSMA’s Supply Chain Management Innovation Awards 3Nano-sized chip 'sniffs out' explosives far better than trained dogs 2New approach to form non-equilibrium structures 2
... System provides tightly regulated control of exogenous ... capable of repeated on/off expression kinetics. This ... highly specific interaction between the GenoStat Ligand ... Gene expression levels are easily manipulated higher ...
... added in Dec 2005 , Quantitative ... Detection from as little as 25 pg ... available for hundreds of mammalian miRNAs , ... , Ideal for validating expression profiling ...
Recommend to use at up to 5000X dilutions for cell culture (e.g. Add 1 ul to 1 ml of culture medium.)...
... Molecular Weight Markers, 37 kBq, 1 uCi. ... determination of the sample on Western blots.The ... band migration in the gel and on ... version without Rainbow-labeling is 0.37-3.7 MBq/mg (10-100 ...
Biology Products: