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Latest Research : Microbiology Last Updated: Nov 17th, 2006 - 22:35:04

Latest Research : Microbiology : Bacteriology
Gut Bacteria Cospeciating with Plataspid stinkbug
With some 1 million species and counting, insects may be the most abundant class of animals living today. Their protective exoskeleton, prolific reproductive rate, and wings help their cause, as do the symbiotic bacteria that inhabit their cells, gut, or body cavity. Endocellular symbionts live inside specialized insect cells and provide essential nutrients for their hosts, which in turn provide suitable habitat for the bacteria. Insect mothers transmit endocellular symbionts to their offspring during egg or embryo development, preserving an intimate bond between host and symbiont that is evident in both species' genomes.
Oct 11, 2006, 04:57

Latest Research : Microbiology : Virology : West Nile Virus
How West Nile virus evades immune defenses
West Nile virus evades the body's immune defenses by blocking immune signaling by a protein receptor, a finding that could pave the way for a vaccine to protect against North American strains of the virus, UT Southwestern Medical Center researchers report.
Oct 5, 2006, 01:05

Latest Research : Microbiology : Bacteriology
An infectious agent of deception, exposed through proteomics
Salmonella bacteria, infamous for food poisoning that kills hundreds of thousands worldwide, infect by stealth. They slip unnoticed into and multiply inside macrophages, the very immune system cells the body relies on to seek and destroy invading microbes.
Oct 1, 2006, 22:56

Latest Research : Microbiology : Bacteriology
Gram positive bacterial membrane mystery solved
A 25-year quest to identify the first biochemical step that many disease-causing bacteria use to build their membranes has led to a discovery that holds promise for effective, new antibiotics against these bacteria, according to investigators at St. Jude Children's Research Hospital.
Sep 1, 2006, 17:56

Latest Research : Microbiology
E.Coli uses 'shock absorbers' to combat adverse conditions
Bacteria have hair-like protrusions with a sticky protein on the tip that lets them cling to surfaces. The coiled, bungee cord-like structure of the protrusions helps the bacteria hang on tightly, even under rough fluid flow inside the body, researchers report in the journal PLoS Biology.
Aug 29, 2006, 20:54

Latest Research : Microbiology : Virology
Innovative method for creating a human cytomegalovirus vaccine outlined
Each year, about 40,000 children are born infected with human cytomegalovirus, or CMV, and about 8,000 of these children suffer permanent disabilities due to the virus – almost one an hour. These disabilities can include hearing loss, vision loss, mental disability, a lack of coordination, and seizures. According to the Centers for Disease Control and Prevention, CMV is as common a cause of serious disability as Down syndrome, fetal alcohol syndrome, or neural tube defects.
Aug 2, 2006, 11:43

Latest Research : Microbiology : Virology
Cracking Virus Protection Shield
Ebola, measles and rabies are serious threats to public health in developing countries. Despite different symptoms all of the diseases are caused by the same class of viruses that unlike most other living beings carry their genetic information on a single RNA molecule instead of a double strand of DNA. Now researchers from the Institut de Virologie Moléculaire et Structurale [IVMS] and the Outstation of the European Molecular Biology Laboratory [EMBL] in Grenoble have obtained a detailed structural picture of a protein that allows the rabies virus to withstand the human immune response and survive and replicate in our cells. The study that is published in this week's online edition of Science suggests new potential drug targets in rabies and sheds light on how similar approaches can help fighting other viral diseases.
Jun 19, 2006, 02:18

Latest Research : Microbiology : Virology
Viruses trade-off between survival and reproduction
Living is an energy-intensive exercise that inevitably involves trade-offs. As many a mother may tell you, expending the energy necessary to raise a clutch of kids can shave years off one's life. Trade-offs between reproductive success and survival have been demonstrated for a wide variety of organisms and, in keeping with life history theory, should arise in any organism striving to maximize fitness under the constraints of finite resources.
Jun 15, 2006, 12:09

Latest Research : Microbiology
Smart Petri Dish could rapidly screen new drugs for toxic interactions
Researchers at the University of California, San Diego have developed what they call a “Smart Petri Dish” that could be used to rapidly screen new drugs for toxic interactions or identify cells in the early stages of cancer circulating through a patient’s blood. Their invention, described in the June 20 issue of Langmuir, a physical chemistry journal published by the American Chemical Society, uses porous silicon crystals filled with polystyrene to detect subtle changes in the sizes and shapes of the cells.
Jun 15, 2006, 11:41

Latest Research : Microbiology
Master key to yeasts' pathogenic lifestyles discovered
For some microbes, the transformation from a benign lifestyle in the soil to that of a potentially deadly human pathogen is just a breath away. Inhaled into the lungs of a mammal, spores from a class of six related soil molds found around the world encounter a new, warmer environment. And as soon as they do, they rapidly shift gears and assume the guise of pathogenic yeast, causing such serious and sometimes deadly afflictions as blastomycosis and histoplasmosis.
Apr 28, 2006, 13:45

Latest Research : Microbiology : Virology
New hybrid virus provides targeted molecular imaging of cancer
Researchers at The University of Texas M. D. Anderson Cancer Center have created a new class of hybrid virus and demonstrated its ability to find, highlight, and deliver genes to tumors in mice. Researchers say the advance, reported in the journal Cell, is potentially an important step in making human cancer both more visible and accessible to treatment; it may also allow prediction and monitoring of how specific anti-cancer agents are actually working.
Apr 22, 2006, 19:32

Latest Research : Microbiology
Artificial Illumination Using White or Green Light May Prevent Biofilm Formation on Artwork
Using white or green light to artificially illuminate artwork may prevent biofilm formation and surface deterioration, say researchers from Spain. They report their findings in the April 2006 issue of the journal Applied and Environmental Microbiology.
Apr 15, 2006, 18:41

Latest Research : Microbiology : Virology
Mass spectrometry to detect norovirus particles
Scientists have used mass spectrometry for decades to determine the chemical composition of samples but rarely has it been used to identify viruses, and never in complex environmental samples. Researchers at the Johns Hopkins Bloomberg School of Public Health recently demonstrated that proteomic mass spectrometry has the potential to be applied for this purpose. Using a two-step process, researchers successfully separated, purified and concentrated a norovirus surrogate from a clinical sample within a few hours. Nanospray mass spectrometry was used to demonstrate the feasibility of detecting norovirus particles in the purified concentrates.
Apr 10, 2006, 14:08

Latest Research : Microbiology : Virology
xCT molecule is a major gateway for KSHV to enter human cells
Researchers at the National Institute of Allergy and Infectious Disease (NIAID), a component of the National Institutes of Health (NIH), have identified a critical human cell surface molecule involved in infection by Kaposi's sarcoma herpesvirus (KSHV), the virus that causes Kaposi's sarcoma and certain forms of lymphoma. Kaposi's sarcoma is a major cancer associated with HIV/AIDS, and it typically manifests as multiple purple-hued skin lesions.
Apr 7, 2006, 13:56

Latest Research : Microbiology : Virology
Surprising discovery about the inner workings of vesicular stomatitis virus (VSV)
Biochemists at Wake Forest University School of Medicine have made a surprising discovery about the inner workings of a powerful virus – a discovery that they hope could one day lead to better vaccines or anti-virus medications.
Apr 7, 2006, 13:53

Latest Research : Microbiology : Bacteriology : Salmonella
Salmonella bacteria use RNA to assess and adjust magnesium levels
Researchers at Washington University School of Medicine in St. Louis have added a gene in the bacterium Salmonella to the short list of genes regulated by a new mechanism known as the riboswitch. The Salmonella riboswitch is the first to sense and respond to a metal ion, substantially expanding the types of molecules that riboswitches can detect to help cells assess and react to their environment.
Apr 7, 2006, 03:47

Latest Research : Microbiology : Virology
New human retrovirus - Xenotropic MuLV-related virus (XMRV)
Howard Hughes Medical Institute researchers and their colleagues have discovered a new retrovirus in humans that is closely related to a cancer-causing virus found in mice. Their findings describe the first documented cases of human infection with a retrovirus that is native to rodents.
Apr 1, 2006, 19:27

Latest Research : Microbiology
Genomics Sheds Light on Metabolism of Cryptic Marine Microbes
In 1977 Carl Woese and George Fox expanded our appreciation of microbial diversity by analyzing the genetic sequence of a molecule (ribosomal RNA) found in all cells. They discovered that species previously classified as bacteria, called methanogenic bacteria, possessed unique enzymes and an unusual metabolism based on reducing carbon dioxide to methane. These traits were foreign to both “uber” domains of life, Eurkaryota and Bacteria, prompting Woese to create a new category, which he called Archaebacteria (archae means ancient in Greek), acknowledging a metabolism that would have suited the putative conditions on earth over 3 billion years ago.
Mar 22, 2006, 12:02

Latest Research : Microbiology : Bacteriology
How deadly toxin botulinum neurotoxin A hijacks cells
Scientists have pinpointed exactly how botulinum neurotoxin A - a potential agent of biological warfare and one of the most lethal toxins known to man - is able to sneak into cells. The finding is crucial for the development of new treatments against botulism, a paralytic illness caused by the toxin more commonly known as botox. As small amounts of botox are also known to alleviate many medical problems, the recent work could help to quell any risks associated with the toxin's clinical use.
Mar 17, 2006, 14:02

Latest Research : Microbiology : Bacteriology
String Test: Effective and Inexpensive Method for Detecting Helicobacter pylori
Swallowing a string may offer a simple and effective alternative to costly and invasive techniques used for detecting Helicobacter pylori in patients say researchers from the U.S. and abroad. They report their findings in the March 2006 issue of the Journal of Clinical Microbiology.
Mar 11, 2006, 20:37

Latest Research : Microbiology
Multivariate Linear Regression May Assist in Determining Virulence Factors for Microbes
A well established statistical tool known as multivariate linear regression may offer a new approach in determining contributions of multiple virulence factors to the overall virulence of pathogenic microbes say researchers from Albert Einstein College of Medicine, Bronx, New York and Westminster College, Salt Lake City, Utah. Their findings appear in the March 2006 issue of the journal Infection and Immunity.
Mar 11, 2006, 20:37

Latest Research : Microbiology : Bacteriology
Scientists develop biosensor to detect E. Coli bacteria
Scientists have developed a fast working biosensor that can accurately and rapidly detect an infectious agent that causes food borne illness, including the dangerous E. Coli bacteria.
Feb 25, 2006, 10:03

Latest Research : Microbiology : Bacteriology
Found - bacteria with strange magnetic personality
Researchers have reported the discovery of a bacterium with strange magnetic properties - it tends to swim towards south magnetic pole while being in the northern hemisphere.
While 'Magnetotactic bacteria' are known to swim toward geomagnetic north in the northern hemisphere and geomagnetic south in the southern hemisphere, researchers from the Massachusetts Institute of Technology (MIT), the Woods Hole Oceanographic Institution (WHOI) and Iowa State University have found a bacterium in New England that does just the opposite: a northern hemisphere creature that swims south.

Feb 24, 2006, 02:26

Latest Research : Microbiology : Bacteriology
Student discovers protein in yoghurt that fights E. coli
A high school student in the US has discovered a protein in yoghurt that has the potential to fight E.coli, the leading cause of diarrhoea in the world.
Feb 24, 2006, 02:23

Latest Research : Microbiology : Virology
Viruses can be forced to evolve as better delivery vehicles for gene therapy
Viruses and humans have evolved together over millions of years in a game of one-upmanship that, often as not, left humans sick or worse. Now, a University of California, Berkeley, researcher has shown that viruses - in this case, a benign one - can be forced to evolve in ways to benefit humans. The adeno-associated virus, or AAV, is a common, though innocuous, resident of the body that has received a lot of attention in recent years as a possible carrier for genes in gene therapy. Because as many as 90 percent of people already have the virus, however, their immune systems are primed with antibodies to quickly tackle and neutralize it, thwarting any attempt at gene therapy.
Feb 8, 2006, 11:34

Latest Research : Microbiology : Bacteriology
Slugs May Spread E. coli to Salad Vegetables
A new study suggests that slugs have the potential to transmit E. coli to salad vegetables. Researchers from the University of Aberdeen, United Kingdom, report their findings in the January 2006 issue of the journal Applied and Environmental Microbiology.
Jan 20, 2006, 14:01

Latest Research : Microbiology : Virology
Epstein-Barr Virus Found in Breast Cancer Tissue May Impact Efficiency of Treatment
Epstein-Barr virus has been detected in breast cancer tissue and tumor cells and may impact the efficiency of chemotherapeutic drug treatment say researchers from France and Japan. They report their findings in the January 2006 issue of the Journal of Virology.
Jan 20, 2006, 14:01

Latest Research : Microbiology : Virology
Honeybees May Transmit Viruses to Their Offspring
Researchers from the U.S. Department of Agriculture report what may be the first evidence of queen honeybees transmitting viruses to their offspring. They report their findings in the January 2006 issue of the journal Applied and Environmental Microbiology.
Jan 20, 2006, 13:56

Latest Research : Microbiology : Bacteriology
Escherichia coli doesn’t gamble with its metabolism
The ubiquitous and usually harmless E. coli bacterium, which has one-seventh the number of genes as a human, has more than 1,000 of them involved in metabolism and metabolic regulation. Activation of random combinations of these genes would theoretically be capable of generating a huge variety of internal states; however, researchers at UCSD will report in the Dec. 27 issue of Proceedings of the National Academy of Sciences (PNAS) that Escherichia coli doesn’t gamble with its metabolism. In a surprise about E. coli that may offer clues about how human cells operate, the PNAS paper reports that only a handful of dominant metabolic states are found in E. coli when it is “grown” in 15,580 different environments in computer simulations.
Dec 17, 2005, 15:58

Latest Research : Microbiology : Bacteriology
Understanding how Rickettsia conorii interacts with host cells
New research by a team of scientists in France and the United States has identified both the bacterial and host receptor proteins that enable Rickettsia conorii, the Mediterranean spotted fever pathogen to enter cells. Understanding how this bacterium interacts with the cells of its host could lead to new therapeutic strategies for diseases caused by related pathogens, including Rocky Mountain spotted fever and typhus.
Dec 17, 2005, 15:41


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Uric acid levels closely related to hypertension in Blacks
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Two-component lantibiotic with therapeutic potential discovered
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A light daily exercise program may reduce the incidence of colds
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Genomic signatures to guide the use of chemotherapeutics
Anxiety Disorders and Physical Illness
Human Memory Gene Identified
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Google could help diagnose difficult medical cases
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Indians among worst affected by TB in Britain
Bihar to get eight new private medical colleges
Future of sexual and reproductive health at tipping point according to global study
Profiles of serial killers have limitations
Concerns over abortion law in the US state of South Dakota
European Alcohol Strategy Threatened by Industry Tactics
Raine Study: Breastfeeding boosts mental health
Severe discrimination based on race and ethnicity in medical-school admissions at University of Michigan
Small But Substantial Proportion Of Surgical Residents Interested In Part-Time Training
Lawrence Berkeley National Laboratory Opens the National Center for X-ray Tomography (NCXT)
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The need for "exercise prescriptions."
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Mandarin oranges decrease liver cancer risk,atherosclerosis
The future of plastic surgery
Parents drink, Suffer the Children
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Fewer Girls Under China's One Child Policy
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Community model effective in allotting anti-AIDS medication
FDA safety alerts for automated external defibrillators occur frequently
Conjoined American twins separated
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Food labels should list trans fats to help reduce coronary heart disease
NHS may be buying surgical equipment unethically
Is it time to give NHS more independence?
A mother's attentiveness to baby's distress is important
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Indian scientists develop Elisa tests for avian influenza
High Common Daily Activity Levels Reduce Risk Of Death
How Group Dynamics Affect Fitness and Eating Habits
DDT in moms harmful to kids, study
Ultraviolet radiation from sunbeds increases skin-cancer risk
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Pertussis Endemic Among UK School Children
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Hospital Performance Results Do Not Always Reflect Patient Outcomes
EPICURUS: Job satisfaction is the most critical factor for life satisfaction
Humans could learn a lot from ants
A Placebo a Day, Keeps the Doctor Away
Careers
Certification of UK doctors would improve quality of care
Exam nerves affects students' immune defence
Jefferson Acquires Wills Eye Residency Programs
Hyderabad ISB student offered 10 million annual pay
Work permit rule hits Indian doctors in Britain
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Factors in religious sensitivity for medical students
AMA Sets Out Strategy To Get More Doctors Working in Rural and Regional Australia
NHS dentists increased by 1,100 in a year
Major Increase in U.S. Medical School Enrollment
Revised GRE® General Test to Premiere in October 2006
Birrell Report Reflects AMA Recommendations on OTD Assessment
World’s First Internet-Based English-Proficiency Test
Low numbers of state school students enter medical school
Renewed interest in young physicians to pursue research careers
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Women doctors and their careers: what now?
Number Of Students In U.S. Medical Schools Remains Constant
Record Number Of Trainee Residents And Fellows In US
Foundation Trust Network reaches historic agreement with Royal Colleges
On Call Induced Intoxication in Junior Doctors - Research
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Stop Passing the Buck on Surgical Training
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Kalam's Clarion call to the Young Scientists to become Continuous Innovators
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New GMC guidance for Pre Registration House Officer (PRHO) training
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New approach will pinpoint genes linked to evolution of human brain
Accelerating Loss of Ocean Species Threatens Human Well-being
New genetic analysis forces re-draw of insect family tree
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Marijuana-like Chemical Can Restore Sperm Function Lost to Tobacco Abuse
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Drug Company Research Reports Should Be Read With Caution
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Waiting For Trial Results Sometimes Unethical
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Dissecting Doctor Patient Dialogue
Why Does Sex Exist?
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Doctors inadvertently help terminally ill patients to die sooner
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Declining Human Fertility is Evolutionary Adaptation
Study shows that threat displays may prevent serious physical harm
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Thermal Adaptation in Bacterial Viruses
Genetic quality of sperm worsens as men get older
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Why women live longer than men
Indian medical students protest quota policy across the country
VitaCig - Cigarettes with Vitamin C that don't stain teeth
Indian scribe pleads for mercy killing
A sneeze could give away your personality traits
Two-week-old embedded arrow surgically removed
Fruitfly study shows how evolution wings it
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Evolutionary biology research techniques predict cancer
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Pandemic prevention plan approved for Asia Pacific
H5N1 threat puts human flu back in spotlight
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Conjunctivitis caused by H7 avian influenza in a UK poultry worker
75 die of malaria in Assam, over 300,000 affected
Bird flu strain makes Britain slaughter chicken
China confirms new human case of bird flu
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EU for support to bird flu-hit poultry market
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Malaria alert in Tripura
RealOpt - Computer Program to Halt Pandemics
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Madhya Pradesh relaxes ban on transporting poultry
Fresh bird flu scare in Pakistan
Malaria epidemic kills 50 in Assam
Thousand birds die in Orissa poultry farm
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Bank notes, photocopiers could help check epidemics
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Unusual Outbreak of Streptococcus suis with Symptoms of Toxic Shock Syndrome in China
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First case of H5N1 virus confirmed in Britain
Bird flu scare: Bangladesh burns Indian chicks
91 infants die in Indian hospital, probe ordered
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U.S. Unlikely To Have Enough Vaccines To Stop Avian Flu Pandemic
Third bird flu case among humans confirmed in Egypt
Pakistan confirms presence of bird flu
Meningitis claims 34 lives in Delhi in three months
Attractive birds more immune against bird flu
Culling operations completed in Maharashtra
Rapid diagnostic test for viral hemorrhagic fevers developed
Minor mutations in avian flu virus increase chances of human infection
Egypt reports second suspected human case of bird flu
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Bhopal shrugs off flu scare
Egypt confirms first human death of bird flu

Chief Medical Editor: Dr Sanjukta Acharya; Managing Editor & Founder: Dr Himanshu Tyagi; Editors: Dr Rashmi Yadav, Dr Ankush Vidyarthi; Chief Correspondent: Dr Priya Saxena
© Copyright 2004 by rxpgnews.com
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