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Improved Butanol Production from Mutant Bacteria
in The Biotech Weblog, on August 19, 2009
© futureatlas.com Researchers have doubled the production of butanol , a possible alternative to gasoline, by developing a mutant strain of the bacterium Clostridium beijerinckii in a bioreactor containing bundles of polyester fibers. The novel strain can produce 30 grams of butanol per lite...
Azotobacter vinelandii Genome Sequence
in The Biotech Weblog, on June 18, 2009
© MASH DnArt Researchers have successfully sequence the genome of Azotobacter vinelandii , a nitrogen fixing bacterium found in soil. The data gathered will help advance research on nitrogen fixation and other biochemical processes, using A. vinelandii as model organism.
A. vinelandii has o...
Lactic Acid Bacteria as Vehicle for Anthrax Vaccine
in The Biotech Weblog, on February 24, 2009
Photo courtesy of iStockphoto , Image# 407156 Researchers have discovered that lactic acid bacteria, commonly found in dairy products, can also be used as a vehicle for an oral vaccine against anthrax , and possibly other types of viruses and pathogens. According to the researchers, "the a...
Using Biotechnology in Cultural Heritage Conservation
in The Biotech Weblog, on February 10, 2009
Photo courtesy of iStockphoto , Image# 8242401 In the 4th Cultural Heritage Conservation Forum held this week in Caracas, Venezuela, curators will be collaborating with biotech scientists to find ways to restore and prevent the decay of art and cultural artefacts using biotechnology.
Prof. G...
MicroBiome Analysis Center to Link Chronic Diseases to Microbiomes
in The Biotech Weblog, on January 14, 2009
Photo courtesy of iStockphoto , Image# 6906975 A new molecular ecology facility at Mason called the MicroBiome Analysis Center (MBAC) aims to catalog the human microbiome - the population of microorganisms living within the human body- and try to correlate it with chronic diseases such as obes...
Industrial Production of Succinic Acid Genetically Modified Bacteria
in The Biotech Weblog, on December 21, 2008
Photo courtesy of iStockphoto , Image# 674264 Roquette Frères has entered into an agreement to commercialize technologies by Rice University researchers, who genetically engineered E. coli bacteria to produce high yields of succinic acid through fermentation. The technology produces indust...
New Bacterial Species in Raw Milk
in The Biotech Weblog, on December 11, 2008
Photo courtesy of iStockphoto , Image# 5514120 Microbiologists have identified new species of bacteria in raw milk . One of these bacteria, Chryseobacterium oranimense , can grow at cold temperatures and secretes enzymes that may spoil milk. Furthermore, since raw milk is refrigerated after co...
Patagonia Fungus Produces "Myco-Diesel"
in The Biotech Weblog, on November 25, 2008
... up with better efficiency of production."
These findings have been published in the journal Microbiology .
Photo Credit : Brad Geary and Britten Sessions, Brigham Young University, Provo, UT...
Gut Microorganisms May Help Prevent Onset of Diabetes
in The Biotech Weblog, on September 22, 2008
Photo courtesy of iStockphoto , Silvia Jansen Yale researchers have found new supporting evidence to the so-called "hygiene hypothesis" - the theory that a lack of exposure to parasites, bacteria and viruses in the developed world may lead to increased risk of diseases like allergies, ...
Ceftobiprole Effective Against MRSA and VRSA
in The Biotech Weblog, on July 4, 2008
...ercent," says the study's lead investigator, Alexander Tomasz, head of the Laboratory of microbiology at Rockefeller.
In photo: Strains of bacteria that are resistant to the antibiot...
Almonds Has Prebiotic Potential
in Straightfromthedoc, on July 1, 2008
...ncreasing levels of beneficial gut bacteria.
The study, published in Applied and Environmental microbiology , found that finely ground almonds significantly increased the levels of certain ben...
So What is Apoptosis?
in Nanotechbuzz, on June 20, 2008
Photo courtesy of iStockphoto, Sven Hoppe
If you've been following any nanotechnology news, you've probably seen this term called "apoptosis." What does this word mean? Programmed cell death. That's right. Our cells know when they should destroy themselves. If a human ...
Bioenergy: Alternative Energy from Microorganisms
in The Biotech Weblog, on June 3, 2008
The ASM Press has released Bioenergy , a new book focusing on microorganisms as a sustainable and cost-effective source of alternative energy.
In 31 detailed chapters, Bioenergy provides thorough explanations of the current knowledge and future areas for research on microbial energy conversio...
Wakame and Halomonas Bacteria May Help Remediate Polluted Seawater
in The Biotech Weblog, on May 10, 2008
Scientists from Japan and China are exploring the use of the brown seaweed, Undaria pinnatifida , known as wakame as a means to extract organic and inorganic pollutants in seawater. After culturing wakame in polluted seawater, it may then be used as a fertilizer,; thus, the composting ...
Nose Spray Anthrax Vaccine
in The Biotech Weblog, on May 5, 2008
...d with just three doses," said Mingtao Zeng, Ph.D., assistant professor within Department of microbiology and Immunology at the University of Rochester Medical Center, and a study author a...
Engineered Cyanobacteria: New Source for Biofuels
in The Biotech Weblog, on April 24, 2008
Scientists have engineered a cyanobacteria to produce sugars which may be used as raw material for ethanol and designer fuels production.
Nobles made the new cyanobacteria (also known as blue-green algae ) by giving them a set of cellulose-making genes from a non-photosynthetic "vin...
Green Tea Increases Antibiotic Efficacy
in The Biotech Weblog, on March 31, 2008
...ns of bacteria have evolved to resist.
These data were presented during the Society for General microbiology 's 162nd meeting recently held at the Edinburgh International Conference Centre....
Rhodococcus Antibiotic Effective Against H.pylori
in The Biotech Weblog, on February 27, 2008
By growing them together with a strain of Steptomyces , scientists were able to trigger anitbiotic production in Rhodococcus , a soil bacteria that does not normally produce antibiotics but whose genome has been noted to code for several secondary metabolites.
The researchers isolated the ant...
Natural Products Discovery and Production
in The Biotech Weblog, on February 25, 2008
What: Natural Products Discovery & Production II: Celebrating Successes of Traditional and Novel Cultures
When: June 22-26, 2008
Where: Hilton Whistler Resort, Whistler, British Columbia, Canada
This conference will use a cross-disciplinary approach to explore the present and future...
Knocking Out Pigment Production Reduces Staphylococcus Virulence
in The Biotech Weblog, on February 18, 2008
Preliminary data indicates that scientists may have identified a new approach that may be effective in reducing the virulence of Staphylococcus aureus , the bacterium responsible for most staph infections. The approach entails blocking the bacterium's pigment formation, as the carotenoid pig...
'Laziness' of Regulatory T-cells, Lead to Type 1 Diabetes
in Daily Diabetic, on January 18, 2008
...teresting finding has been discovered by a research team at McGill University 's Department of Microbiology and Immunology.
Immunoregulatory T-cells regulate our body's autoimmune reac...
The Human Microbiome Project
in The Biotech Weblog, on December 22, 2007
The National Institutes of Health (NIH) today announced the official launch of the Human Microbiome Project , the collective genomes of all microorganisms present in or on the human body.
Part of the NIH's Roadmap for Medical Research, the Human Microbiome Project will award a total of $1...
Prevent Bad Breath, Lose Weight
in Straightfromthedoc, on December 14, 2007
...eath to alcohol consumption.
According to expert Prof. Mel Rosenberg from the Department of Human Microbiology and The Maurice and Gabriela Goldschleger School of Dental Medicine, Sackler Faculty of...
Biologically Produced Nanotubes from Shewanella Bacteria
in The Biotech Weblog, on December 13, 2007
Researchers have discovered that the bacteria Shewanella can produce semiconducting nanotubes that may be useful in the creation of a new generation of nanoelectronic devices. This is the first report of biologically-produced nanotubes.
The team, including Nosang V. Myung, associate profess...
Promising MRSA VAccine Targets Quorum Sensing
in The Biotech Weblog, on November 9, 2007
A new type of vaccine against resistant bacterial strains, particularly methicillin resistant Staphylococcus aureus (MRSA), is being developed.
Rather than killing bacteria, the new vaccine works by blocking the bacteria's quorum sensing , a communication system that allows them ...
Adding Probiotics in Diarrhea Treatment: Cheaper but as Effective
in Straightfromthedoc, on October 1, 2007
...ping in Sweden and from the Nestle Research Center in Switzerland, recently published at BMC Microbiology :
In a collaborative study by researchers investigating rotaviral diarrhoea, 'goo...
Genetically Engineered Microorganisms as Drug Factories
in The Biotech Weblog, on September 20, 2007
...cancer or obesity, as well as high-value chemicals.
In work published in Applied and Environmental Microbiology in June, Koffas and his colleagues produced about 400 milligrams of flavonoids per lite...
Tissue Engineering and Immunology Protocols, on Video
in The Biotech Weblog, on September 19, 2007
... include over 120 video-articles on experimental approaches in developmental biology, neuroscience, microbiology and other fields. Check them out!
...
Microbial Biosensors to Detect Heavy Metal Contamination
in The Biotech Weblog, on August 31, 2007
Researchers have discovered that morphological changes in an aquatic microbe may be used as a biosensor to determine levels of toxic heavy metals and metal-like substances in air or water.
Andrew McKay, a PhD student at CRC CARE and The University of Queensland, is
studying the changes that ta...
New Publication: Microbial Biotechnology
in The Biotech Weblog, on August 30, 2007
... scholarly publishing business of John Wiley & Sons, Inc , and the Society for Applied Microbiology (SfAM) announced today publication of the first articles for Microbial Biotechnology ...
E. coli Linked to Crohn's Disease
in The Biotech Weblog, on August 8, 2007
Cornell University scientists have discovered that a novel group of E. coli bacteria - containing genes similar to those described in uropathogenic and avian pathogenic E. coli and enteropathogenic bacteria such as salmonella, cholera, bubonic plague - is associated with intestinal i...
Potato wine, perhaps?
in Celebrate Wine, on July 2, 2007
..."The Eagle wine industry is very young," said Riff, 31, who plans to use her biochemistry/microbiology degree to help open a winery with an Eagle grape grower. "There aren't a lot o...
Gut Health May Suffer With Low-Carb Diet
in Straightfromthedoc, on June 21, 2007
...astic loss of weight.
These new findings are published in the journal Applied and Environmental Microbiology .
Find more details from the full report .
...
Using Bacteria to Shuttle Nanoparticles
in The Biotech Weblog, on June 15, 2007
In a study published in Nature Nanotechnology , researchers have shown that bacteria may be used to deliver "smart nanoparticles" into a cell to precisely position sensors, drugs or DNA for the early diagnosis and treatment of various diseases.
"The released cargo is designed to...
Chitin Can Boost Microbial Fuel Cells
in The Biotech Weblog, on June 5, 2007
Researchers are exploring the use of crab and lobster shells to power microbial fuel cells beneath the sea, which are used to power sensors for such measurements as temperature, pressure, salinity, density, turbidity or particulate content. They are also used to monitor around offshore drilling p...
Melanized Fungi Thrives on Radioactivity
in The Biotech Weblog, on May 24, 2007
Scientists have discovered that fungi which harbors melanin may be able to thrive ionic radiation and thus convert radioactivity into biomass. Aside from the potential in environmental clean-up, these findings may also have wider impact.
"The fungal kingdom comprises more species than any ...
New Method for Identifying Marine Microorganisms
in The Biotech Weblog, on May 23, 2007
Researchers from the Bigelow Laboratory for Ocean Sciences report of a new approach in identifying unculturable microorganisms from marine environments .
"We present a novel approach to studying metabolic capabilities of the uncultured microbial taxa. Our method is based on fluorescence...
Using Bacteria in Cancer Drug Delivery
in The Biotech Weblog, on May 21, 2007
... induce a salutary immune response.
The study has been published in the recent issue of Cellular microbiology (doi: 10.1111/j.1462-5822.2007.00890.x).
Photo: Helmholtz Centre for Infection Re...
Supplementation of N-acetylglucosamine Inhibits Type 1 Diabetes, Multiple Sclerosis
in Daily Diabetic, on May 15, 2007
... damage of multiple organs.]
According to Dr. Michael Demetriou, assistant professor of neurology, microbiology and molecular genetics and lead author of the said study:
"This finding shows th...
New Petroleum-Degrading Bacteria Found at Rancho La Brea Tar Pits
in The Biotech Weblog, on May 11, 2007
... In a study published online in the April 6 issue of Applied and Environmental Microbiology, scientists report of identifying more than 200 species of petroleum-degrading bacteria from the Rancho L...
Peptic Ulcer Bacteria Helps Protect Against Asthma and Allergies
in Allergies, on April 25, 2007
This bug on the left is a bacterium called Helicobacter pylori . It infects the lining of the stomach and causes peptic ulcers, gastritis, and is associated with stomach cancer. A bad bug? Not totally. A new study indicates that H. pylori may help protect kids from developing asthma and aller...
Scientists Identify Key Target to Kill Cystic Fibrosis Bug
in The Biotech Weblog, on April 25, 2007
Scientists may have found a way to kill Burkholderia cenocepacia , a multi-drug resistant plant pathogen that causes severe infections in people with cystic fibrosis.
The team of researchers has identified a weakness in the armour that protects the B. cenocepacia bacterium from the ef...
Mold By-Product Chaetocin May Treat Myeloma
in The Biotech Weblog, on April 24, 2007
According to a study presented at the American Association for Cancer Research annual meeting, chaetocin , a by-product of a common wood mold, may hold promise as a new therapeutic against myeloma , an incurable bone marrow cancer .
Dr. Bible's team has shown for the first time t...
Fabric From Acetobacter Fermentation By-Product
in The Biotech Weblog, on April 21, 2007
Dubbed as the Micro'be' project, researchers have explored the use of a fabric made by microorganisms. The cellulosic material is produced by the Acetobacter bacterium with red wine as substrate.
The models reported that the fabric, while it was damp, felt "very natural, almost ...
Fruit Fly Offers Clues in Development of New Human Vaccines
in The Biotech Weblog, on March 13, 2007
...ch as insects) demonstrate adaptation .
According to David Schneider, PhD, assistant professor of microbiology and immunology and senior author of the study:
"It's a springboard to lookin...
Herpes May Have a Role in Alzheimer's Disease
in Straightfromthedoc, on January 5, 2007
...g to Howard Federoff, M.D., Ph.D., the leader of the team and professor of Neurology, Medicine, and Microbiology & Immunology:
"This work raises the question whether herpes in concert with ...
GreeneChip DNA Chip for Detection of Pathogens
in The Biotech Weblog, on December 7, 2006
Scientists have developed a new diagnostic device that can potentially identify thousands of different pathogens from human samples.
Called the "GreeneChip," this device consists of a glass slide onto which are attached nearly 30,000 pieces of genetic material taken from thousands of ...
Cloning Fosfomycin for More Cost-Effective Production
in The Biotech Weblog, on November 30, 2006
Fosfomycin is a member of a class of compounds called phosphonic acids, a natural antibiotic approved by the FDA to control pathogens against which penicillin and vancomycin are no longer effective. It has also, for example, been demonstrated to be effective against Listeriosis in vivo . Howev...
Lab-on-a-Chip Detects Pneumonia Bacteria in Hours
in The Biotech Weblog, on November 27, 2006
A novel lab-on-a-chip has been developed to identify pneumonia-causing bacteria from bronchoalveolar lavage samples within hours, instead of days.
Inside the chip, the bacteria flow into several different compartments -- eight in the current version of the chip -- and are made to stick to a b...
PCR-Based Malaria Screening in Urine and Saliva Samples
in The Biotech Weblog, on November 23, 2006
Researchers at the Johns Hopkins's Malaria Research Institute were able to develop a PCR-based method for detecting malaria -causing parasite, Plasmodium falciparum, in urine and saliva samples.
Although not a diagnostic test for determining treatment, the method could potentially re...
Microbially Produced Antibiotics as Cancer Drug Candidates
in The Biotech Weblog, on November 2, 2006
Researchers are exploring a method of producing powerful antibiotics called prodiginines which may also have potentials as anti-cancer drugs. Because these compounds are difficult to synthesize chemically, researchers are looking coaxing microorganisms to produce them.
Professor Greg Chall...
Two-Component Lantibiotic Haloduracin From Bacillus halodurans
in The Biotech Weblog, on November 1, 2006
Researchers at the University of Illinois at Urbana-Champaign have developed haloduracin , a new two-component lantibiotic, which consist of two peptides that are each post-translationally modified to an active form, and act in synergy to provide antibacterial activity. Using bioinformatics,...
Microbes Help Regulate Climate Change
in IfEnergy, on October 28, 2006
...rouble.
A recent study led by a Franco-German team from the Max Planck Institute for marine Microbiology in Bremen, Germany found three communities of single-celled organisms around the Haakon...
Biofuel Cells From Bacterial Membrane Protein
in The Biotech Weblog, on October 18, 2006
In an article published in the Journal of the American Chemical Society , scientist report of purified protein extracted from Shewanella oneidensis which may be used in designing miniature bioreactor cells. These proteins --outer membrane c-type cytochrome A, or OmcA --formed a dense coating on...
Bio-Adhesives From Switchgrass
in The Biotech Weblog, on October 4, 2006
Because (biofuel) ethanol production from grasses such as switchgrass or alfalfa is not as efficient as from corn, scientists are focusing on another fermentation side-product, which researchers believe might even be more valuable than ethanol: glycocalyx , a glue-like substanced produced by ...
American Society for Microbiology Meeting Highlights Energy-Producing Bacteria
in The Biotech Weblog, on May 24, 2006
...e energy are the highlight in the ongoing 106th General Meeting of the (ASM) American Society for Microbiology. Here are three samples of such research:
Generation of Electricity from Iron-Reducin...
Fosfomycin Ineffective in Vitro But Shows In Vivo Efficacy Against Listeriosis
in The Biotech Weblog, on May 12, 2006
For an antibiotic candidate to be considered for human clinical trials, it first has to show efficacy under laboratory conditions. If a compound does not inhibit the growth of microorganisms under in vitro conditions, the drug candidate does not advance into in vivo trials. A new study publish...
Ethanol Production From Paper Pulp
in The Biotech Weblog, on May 4, 2006
...39;s Laboratory for Biotechnology and Bioprocessing will provide fermentation expertise through its Microbiology Engineering Team. The Pine Institute will share its expertise in pulping and handling; ...
Nano-switch links biological, mechanical worlds
in Nanotechbuzz, on April 28, 2006
...UK; ENS/CNRS, France; TUDelft, the Netherlands; the University of Parma, Italy and the Institute of Microbiology in Prague, the Czech Republic, developed the nano-device over three years.
A switch ca...
Animalcules 1.6: Carnival Of The Microbes
in The Biotech Weblog, on April 20, 2006
Welcome to Animalcules 1.6, a blog carnival about microbes and anything microbial! It's a pretty lean issue this time, so I'm sure you folks won't have a hard time having a look at these entries:
Tara Smith of Aetiology takes another look at emerging disease and zoonoses, and tak...
PNA FISH Culture Identification Kits: Saves Hospitals in Anti-Fungal Expenditures
in The Biotech Weblog, on April 18, 2006
...niversity Medical Center" ( Durham , NC) reported in the April 2006 issue of Diagnostic Microbiology and Infectious Diseases the potential cost savings of C. albicans PNA FISH : $1837 fo...
Science, Medicine, Microbiology and Biotechnology According to Blogs
in The Biotech Weblog, on April 12, 2006
This weblog has continually participated in blog carnivals about science, medicine and healthcare, but somehow I always miss writing an entry about it.
But this week is a great one for science-related carnivals:
Tangled Bank Issue #51 is hosted at Discovering Biology . Don't miss the ho...
Genomic Tags: New Method of Identifying Microbes
in The Biotech Weblog, on March 7, 2006
...9;s Brookhaven National Laboratory.
As described in the March 2006 issue of Applied Environmental Microbiology , the method has many applications--from assessing the microbes present in environmenta...
Diabetes Therapy Through Islet Cells Xenotransplantation
in The Biotech Weblog, on February 20, 2006
This entry is submitted by Gloria Gamat, via Creative Reporter . Type 1 diabetes in humans has been successfully reversed by researchers using islet transplantation. However, the demand for islet cells grossly outweighs the supply. Researchers of University of Minnesota's Diab...
Microbial Biotechnology: The Prescription For Earth's Environmental Health
in The Biotech Weblog, on February 17, 2006
This entry is submitted by Gloria Gamat, via Creative Reporter . The triple problem that is among the greatest challenges to the environmental health: waste, water, energy. Bruce Rittmann, director of the Center for Environmental Biotechnology in the Biodesign Institute at Arizona State Un...
bio-sensor technology for rapid diagnosis of urinary tract infections
in Straightfromthedoc, on February 6, 2006
...dollars. The research, reported in the February 2006 issue of the peer-reviewed Journal of Clinical Microbiology, investigated a new technology to solve an old problem: the diagnosis of urinary tract ...
Microelectromechanical systems (MEMS): merging cells and machines
in Nanotechbuzz, on January 6, 2006
...d nanosystems will be the subject a conference next week in San Francisco. The American Society for Microbiology's (ASM) Conference on Bio-, Micro-, Nanosystems (held in collaboration with the I...
Japenese encephalitis
in Straightfromthedoc, on September 23, 2005
...g children's lives is not the government's priority," said Dr. T.N. Dhole, head of the microbiology department at the Sanjay Gandhi Post-Graduate Institute in the state capital, Lucknow. ...
Hepatitis A Virus (HAV) Detection In Food And Environmental Samples
in The Biotech Weblog, on September 22, 2005
...rus in most samples. In a study published in the September 2005 issue of Applied and Environmental Microbiology , researchers combined real-time reverse transcription-PCR and immunomagnetic separat...
Array Biosensor for Simultaneously Detecting Staphylococcal and Botulinum Toxins in Food
in The Biotech Weblog, on September 22, 2005
...iological warfare agents. In a study published in the September issue of Applied and Environmental Microbiology , researchers used the Naval Research Laboratory array biosensor to detect for the pr...
