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Fox Chase Cancer Center scientists identify immune-system mutation
...identified the genetic mutation that keeps a mouse strain from developing white blood cells, or lymphocytes,... the second time that a naturally occurring mutant strain has been found and bred at Fox Chase. In 1981, the laboratory group of Melvin Bosma, Ph.D., discover...Scientists Replicate Hepatitis C Virus in Laboratory
...ion and production.?/p> The NIDDK group used a strain of HCV that would have applications to the greatest number of people ?genotype 1, the major type of HCV of human infections worldwide and the type most resistant to current therapies. They constructed an HCV replica using a DNA copy of the original H...Bound for destruction: Ubiquitination protects against improper Notch signaling
...arly a century since theidentification of a mutant strain of Drosophila fruit flies with“notched?wings in Thomas Hunt Morgan’s lab in 1910. Later studiesrevealed that the Notch gene encodes a receptor protein that extendsthrough both sides of the cell membrane and which is capable ofinteracting with a ligan...Whole genome fine map of rice completed
...hole genome assembly and analysis for the maternal strain "PeiAi 64" (its main genetic background being Japonica, as well as a mixture of Indica and Japonica genes ). This would further help discovering distribution of the hybrid genes in F1 and the changes of physiological traits, thus revealing the source...Scientists seek answers on what activates deadly anthrax spores
... The researchers are working with a non-pathogenic strain of anthrax. The genome sequences of four strains o...er closely related bacterium, Bacillus cereus, one strain of which can produce anthrax-like symptoms. The research team includes Conn Mallett, Ph.D., Derek P...A bacterial genome reveals new targets to combat infectious disease
...e complete DNA sequence of the Wolbachia pipientis strain within Brugia malayi, a parasitic nematode responsible for lymphatic filariasis. This Wolbachia genome is small, only about a million base pairs, and many metabolically critical genes have degraded through mutation to the point of uselessness. This ...Scientists decipher genome of fungus that can cause life-threatening infections
...thePresident of TIGR, deciphered the genome of one strain of C. neoformanswhile researchers led by Richard Hyman at Stanford University's GenomeTechnology Center in Palo Alto, CA, sequenced the second strain. Theproject was funded by the National Institute of Allergy and InfectiousDiseases (NIAID), part of ...Scientists identify genetic pathways essential to RNA interference
...thor John Kim, PhD, and his colleagues developed a strain of C. elegans into which they added a gene that caused the worms to glow under ultraviolet light but also turned that gene off using RNAi. They then used RNAi to inactivate every one of the worms' 19,000 genes by feeding the worms bacteria that produ...Scientists discover unique microbe in California's largest lake
... the National Academy of Sciences (PNAS)."This new strain of Acaryochloris is unique because it is able to l... Miller recalls."We purified the pigments from the strain and saw that they were verysimilar to those known from a species of blue-green algae calledAcaryochl...Deficiency of growth hormone and IGF-1 reduces cancer and kidney disease, but creates other problems
... that limit lifespan. The researchers developed a strain of dwarf rats that were naturally deficient in both growth hormone and in IGF-1. To mimic the rise in growth hormone and IGF-1 during adolescence in normal rats, some of these deficient rats were given growth hormone while they were between 4 and 14 ...NYC's First Rapid HIV Drug-resistant AIDS Case Prompts Call to Step Up HIV Prevention
...new, rapidly-progressing and highly drug resistant strain of HIV in a New York man who progressed from his i...rred in mid-October 2004, to a largely untreatable strain of AIDS in just three months. According to City health officials, the man -- who had previously had...NIAID Initiates Trial of Experimental Avian Flu Vaccine
..., M.D. “NIAID has supported research on H5N1, the strain responsible for this deadly form of avian influenza, since 1997 when the first cases in humans were reported. The initiation of this vaccine trial marks a key advance in our efforts to prepare to respond to an avian flu pandemic,?adds Dr. Fauci. San...Study Models Impact Of Anthrax Vaccine
...could also prevent cases if anantibiotic-resistant strain of anthrax were used in an attack.“Our study highlights the need for rapid distribution of antibiotics tominimize casualties from an anthrax outbreak,?explained RonBrookmeyer, PhD, lead author of the study and professor in theDepartment of Biostatist...The Bacteria's guide to survival
...mal N. gonorrhoeae to those infected with a mutant strain with defective pili, the researchers found a subse... cellular response to stress, including mechanical strain on the membrane. Also, a majority of these genes were known to be induced by a family of proteins ca...Influenza vaccine uses insect cells to speed development
...l-based method, the time from receipt of the virus strain to the final vaccine product would be shortened to...to elicit an immune response against that specific strain of the virus. Wang and his colleagues have developed a methodology for rapidly producing and purify...VCU Researchers Identify Networks Of Genes Responding To Alcohol In The Brain
...o alcohol caused genes to be turned on more in one strain while decreasing expression of the same gene in th...showed different responses to alcohol in one mouse strain versus the other. As a result, Miles and his colleagues were able to formulate new hypotheses about ...Mayo Clinic Researchers Create 'Obedient Virus'; First Step To Use Measles Virus Against Cancer
...n the surprising finding was made that the measles strain used internationally for vaccinations has natural anticancer activity. "But we had a concern that the measles virus may be a little too promiscuous in its ability to infect both cancer cells and non-cancer cells, so we wanted to develop a method whe...Genetically modified rice in China benefits farmers' health, study finds
...rt of their acreage to a genetically modified rice strain and 37 farmers who planted all non-genetically modified rice. In 2003, because more insect-resistant rice seed had been distributed, the survey included 69 farmers who planted all OR part of their fields to genetically modified rice and 32 farmers wh...Multiple Campylobacter Genomes Sequenced
... have completely sequenced the genome of C. jejuni strain RM1221 (isolated from a chicken carcass) and compared it with the previously sequenced C. jejuni strain NCTC 11168 and with the unfinished sequences of C. coli strain RM2228 (a multi-drug-resistant chicke...Substance protects resilient staph bacteria
...ne development because the PGA is present in every strain of the organism," Dr. Otto says. "If a vaccine can...h catheters to demonstrate that the S. epidermidis strain deficient of PGA was not able to cause infection while the other strains containing PGA did. ......iences that applies the new annotation method to a strain of the metal-detoxifying bacterium Shewanella oneidensis. "In a lot of cases," said James K. Fredrickson, a co-author and PNNL chief scientist, "it was not known from the gene sequence if a protein was even expressed. Now that we have high confidenc...Fibril Shape Is The Basis Of Prion Strains And Cross-species Prion Infection
... contact with hamster prion amyloid fibrils, a new strain of mouse fibrils emerged with the ability to infect hamsters but not humans. The new mouse strain had the same amino acid sequence as the original mouse strain but completely different infectious ca...HIV-1 spread through six transmission lines in the UK
...alysed the epidemic history of the HIV-1 subtype B strain from sampled gene sequence data. Molecular data on HIV-1 has become increasingly available since the introduction of routine HIV-1 gene sequencing for drug resistance. Scientists used this data to follow the changing number of infected individuals th...Marburg haemorrhagic fever in Angola update
...wn mortality rates ranging, according to the virus strain involved, from 53% to 88%. The only other large outbreak of Marburg, in the Democratic Republic of Congo from 1998 through 2000, had a case fatality of 83%. Two factors make the rapid detection of outbreaks of Marburg haemorrhagic fever difficult: t...Harmful chemicals may reprogram gene response to estrogen
...ncer as an adult." The researchers used a special strain of rats with a defect in a gene called Tsc-2 (tuberous sclerosis complex 2) that made them more susceptible to uterine leiomyomas, benign tumors that are common in women over 30 years of age. These rats were then treated with DES during days 3, 4 and...Scientists identify genetic pathways essential to RNA interference
...thor John Kim, PhD, and his colleagues developed a strain of C. elegans into which they added a gene that caused the worms to glow under ultraviolet light but also turned that gene off using RNAi. They then used RNAi to inactivate every one of the worms' 19,000 genes by feeding the worms bacteria that produ...Yeast Network Prevents Damage By Oxygen Radicals
...tions and gross chromosomal rearrangements in each strain were then analysed to identify genes that cooperate to prevent the deleterious effects of ROS and promote normal cell survival. "These results suggest that endogenous ROS-induced genome instability may contribute to cancer progression," says Dr. Kol...Same-Sex Mating Discovered in a Toxic Fungus
...cribed mating strategy might allow a single mating strain to expand rapidly by cell division, yet retain its ability to generate diversity by undergoing sex, said Heitman. That diversity might provide an advantage when faced with new environmental challenges, he said. While the findings have no immediately...Turning viruses into allies against cancer
...rvival from this disease. "The attenuated vaccine strain of measles virus is an oncolytic virus which has shown anti-tumor activity and tumor-selectivity in a variety of different tumor models," said Blechacz. "But its potential in primary liver tumors has never been evaluated." In the first part of their...Roots Engage in Underground Chemical Warfare
... of the tested strains of bacteria. One particular strain of Pseudomonas syringae, a bacterium that causes disease in both tomatoes and Arabidopsis, has a seemingly fail-safe mechanism to overcome the plant's defenses. The bacterium not only survives exposure to the antimicrobial substances, it also blocks ...Could microbes solve Russia's chemical weapons conundrum?
...em for growth. The group hopes that the bacterial strain can be used in the context of plant-microbial associa-tions to create a new generation of biotechnologies for remediation of soils contaminated by CWAs or products of their detoxification. "Bioutilization of organic compounds of reaction masses is a...Secret of smallpox's success may lead to bioterror cure
...have already been exposed to a particularly lethal strain of vaccinia, or to mouse pox, another pox virus. "We want to look at all of our mutants and see which ones work best in this post-exposure prophylaxis," explained Jacobs. Though results are preliminary, several strains look promising. Jacobs' exper...AIDS Public Awareness Campaign Expands Following Report Of Rapidly Progressive HIV
...t reports of a drug-resistant, rapidly progressive strain of HIV in New York City, we must continue to reinf...lth and Mental Hygiene reported a highly resistant strain of rapidly progressive HIV diagnosed in a New York City resident. The patient is a male in his mid-4...Sugar beet virus mutation requires Texas touch
...ush's program was reinvigorated in 2002 when a new strain of beet necrotic yellow vein virus emerged. The new strain threatened sugar beet production in California and Minnesota. Getting answers was important because ...Chemical Engineer Kao Explores Antibiotic Synthesis With DNA Chips
...see how it works. For Kao, it means asking how one strain of Saccharopolyspora erythraea produces ten times the erythromycin of normal strains. The answer, it seems, lies not in the cluster of genes known to produce the antibiotic, but in a mutation of another gene that co-regulates the timing of expressio...Scientists identify genes responsible for 'black rot' disease in vegetables
...he authors sequenced the complete genome of an Xcc strain that was isolated from an infected cauliflower plant in England during the 1950's. They then compared this sequence to a previously published sequence from a cabbage-derived Xcc strain. Although the gene content of the two strains was very similar, t...Active Vaccine Prevents Mice From Developing Prion Disease
...pie prions were attached to a genetically modified strain of Salmonella. This bacterium is also used in several animal vaccines and in human vaccines for cholera and typhoid fever. Among mice vaccinated prior to prion exposure, approximately 30% remained alive and symptom-free for 500 days, according to the...Fungus Effective Against Winged Termites
...anean Termite Research Unit--have discovered a new strain of the fungus Metarhizium anisopliae that is highl... colonies. Raina stumbled across the novel fungal strain after capturing dozens of swarming alates for other studies. To his surprise, all of the insects die...15 generations of untrained jocks, couch potatoes show big physiological adaptations
...s wondered what would happen if they took a single strain of rats ?meaning they all had the same basic genetic background ?and bred two separate lines purely on the basis of "continued selecting of untrained rats with either high- and low-running endurance." In this way, they could study the genetic role in...New miniaturised chip dramatically reduces time taken for DNA analysis
...educe information about the bacteria such as which strain caused the foodborne illness. This type of analysis already takes place in laboratories, but until now the experimental measures needed were not suitable for in situ analysis. By using the new sensors developed by UAB scientists, the time taken to i...Genome study of beneficial microbe may help boost plant health
...plant pathologists around the world have used this strain as a laboratory model to study beneficial microbes. Paulsen says the P. fluorescens project also pioneered a new methodology. This novel approach relies on the analysis of repeated regions of the DNA sequence to help identify segments of the genome ...UN pours polio vaccine into Yemen amid outbreak
...paigns are implemented rapidly. While these events strain the financial resources of the global eradication effort, they do not threaten its ultimate success," UNICEF said. The Global Polio Eradication Initiative, formed by WHO, UNICEF, Rotary International and the US Centers for Disease Control and Preven...Specialized immune-system B cells play double-barreled role
...ences of too many or too few B-1a cells. Also, the strain lacking CD19, and therefore B-1a cells, enabled the researchers to isolate sufficient numbers of pure B-1b cells for study. The researchers studied how the immune systems of the two mouse strains reacted to infection with Streptococcus pneumoniae, t...Scientists reveal how disease bacterium survives inside immune system cell
...response to A. phagocytophilum with that of a weak strain of S. aureus. Using microarray technology that allowed them to compare about 14,000 different human genes, the researchers discovered how the response to A. phagocytophilum deviates from that of S. aureus, and thus permits the HGA agent to survive. ...Enlisting genomics to understand flu evolution
...ment event from a persistently cocirculating minor strain to a previously dominant strain leading to an epidemiologically significant outcome--the emergence of the "Fujian" strain in the 200...International Team Determines Geographic Origin of Leprosy
...to characterize at a molecular level the M. leprae strain infecting a leprosy patient, which will show whether the patient has a new infection or if the previous infection was incompletely treated and has returned. This, in turn, will aid efforts to fully treat patients so that the bacteria are completely e...Researchers develop new method for facile identification of proteins in bacterial cells
...ested their technique using Sphingomonas wittichii strain RW1, the only bacterium known to consume the backbone of toxic polychlorinated dibenzo-p-dioxins and dibenzofurans as a food source. The researchers already knew that feeding dioxins to RW1 would cause an increased enzyme level as the bacterium consu...Novel plague virulence factor identified
... infecting the worm. "We thought that a Y. pestis strain (known as KIM5) that lacks the genes (hmsHFRS oper...o protect humans from the plague." Since the KIM5 strain of Y. pestis is well characterized and has a lower biosafety ranking than other infectious or toxic ...New Look at DNA Hints at Origin of UV Damage
... infecting the worm. "We thought that a Y. pestis strain (known as KIM5) that lacks the genes (hmsHFRS oper...o protect humans from the plague." Since the KIM5 strain of Y. pestis is well characterized and has a lower biosafety ranking than other infectious or toxic ...Scientists find that protein controls aging by controlling insulin
...hs. For the current study, they created a second strain of mutant mice in which the Klotho gene generated more of the protein than in normal mice. Those mice lived between 19 percent to 31 percent longer than normal mice. The researchers were especially interested in how the hormone affected insulin, be...Fragment of yellow fever virus may hold key to safer vaccine
.... Then they screened the libraries with a vaccine strain of yellow fever. Four of the antibodies neutralize...side effects from variations of the weakened virus strain now grown in fertilized chicken eggs. ...VCU study shows hormone-like molecule kills cells that cause inflammation in allergic disease
...ce, the mast cells died. Furthermore, a separate strain of mice with the same mutation as the first strain, but that had also been engineered to prevent IFNγ production, were found to have almost as many mast cells as normal mice, if not more. They concluded that the presence of high IFNγ levels...Climate model links higher temperatures to prehistoric extinction
...ce, the mast cells died. Furthermore, a separate strain of mice with the same mutation as the first strain, but that had also been engineered to prevent IFNγ production, were found to have almost as many mast cells as normal mice, if not more. They concluded that the presence of high IFNγ levels...Researchers uncover E. coli's defense mechanism
...om the John Innes Centre, studied a non-pathogenic strain of Escherichia coli, which is very closely related to Salmonella bacteria. The pathogenic forms of E. coli and Salmonella are usually transmitted to humans through undercooked meat, unwashed vegetables and cross contamination from surfaces on which ...Beyond genes: Lipid helps cell wall protein fold into proper shape
...by the specific proteins associated with it. In a strain of E. coli lacking PE, the GabP protein misfolded, with two areas of the protein inverting from their normal structure. The PE-lacking protein's amino acid transfer rate plummeted to nearly zero, falling 99 percent compared to the transfer rate in un...Boosting The BCG Vaccine To Beat Tuberculosis
...immunogenicity of BCG and describe a novel vaccine strain with high efficacy against tuberculosis. The researchers engineer a BCG strain that secretes the listeriolysin protein, which punches holes in the membranes of phagosomes where M....Researchers Discover Ancient Origins Of Tuberculosis-causing Bacteria
...immunogenicity of BCG and describe a novel vaccine strain with high efficacy against tuberculosis. The researchers engineer a BCG strain that secretes the listeriolysin protein, which punches holes in the membranes of phagosomes where M.......immunogenicity of BCG and describe a novel vaccine strain with high efficacy against tuberculosis. The researchers engineer a BCG strain that secretes the listeriolysin protein, which punches holes in the membranes of phagosomes where M....Delving deep into the molecular subtleties of a strain of mice engineered to age rapidly, scientists have found that an accumulation of genetic mutations prompts a cascade of programmed cell death that seems to underpin the aging process. Writing today (July 15, 2005) in the journal Science, a team of s......he production of bulk quantities of a non-virulent strain of anthrax, and for equipment to produce significa...y and be willing to grow Bacillus anthracis Sterne strain at 1500-litre quantities." Other contracts are for fermentation equipment for producing 3000-litre b...Other ContentsanusanusanusarcharcharchaorticaorticaorticaorticaorticaorticapicalappendixappendixappendixOther Tags
(Date:8/7/2008)...people with disabilities who are struggling to reg...eam that includes engineers and students from Roch...zes physiological information, or bio-signals, pro...e of external assistive devices, called orthoses, ...such as strokes or major spinal cord injuries, reg...
(Date:8/7/2008)...tructural biology, Asterion Ltd., has led to new t...tic proteins to tackle major diseases such as canc...ried out at the University of Sheffield in laborat...l Sciences Research Council (BBSRC). This work is...s, the quarterly research highlights magazine of ...
(Date:8/6/2008)...lds drier conditions to come , Human-induced cl...s in the midlatitudes. To assess whether the onse...t al. study newly developed multicentury tree ring...m perspective on drought in northwestern Africa. U...s (Cedrus atlantica) and Aleppo pines ( Pinus hale...
(Date:8/6/2008)...onal Understanding, through its Institute for Arct...the National Science Foundation through its Integr...(IGERT) program. , The five-year grant supports...program in the polar sciences and engineering with...t will provide Dartmouth faculty and students so m...
Breaking Biology News(10 mins):Robotics research: Enhancing the lives of people with disabilities 2Structural biology spin-out tackles major diseases 2AGU journal highlights -- August 6, 2008 2AGU journal highlights -- August 6, 2008 3AGU journal highlights -- August 6, 2008 4AGU journal highlights -- August 6, 2008 5AGU journal highlights -- August 6, 2008 6AGU journal highlights -- August 6, 2008 7Dartmouth awarded NSF grant for new polar sciences, engineering grad program 2Dartmouth awarded NSF grant for new polar sciences, engineering grad program 3American Right to Life Endorses U S Senator Roger Wickers Life at Conception Act 22815 1Radiesse 28R 29 Dermal Filler Featured Prominently in Journal of Dermatologic Surgery Special Issue on Fillers 6242 1Radiesse 28R 29 Dermal Filler Featured Prominently in Journal of Dermatologic Surgery Special Issue on Fillers 6242 2Radiesse 28R 29 Dermal Filler Featured Prominently in Journal of Dermatologic Surgery Special Issue on Fillers 6242 3Radiesse 28R 29 Dermal Filler Featured Prominently in Journal of Dermatologic Surgery Special Issue on Fillers 6242 4Radiesse 28R 29 Dermal Filler Featured Prominently in Journal of Dermatologic Surgery Special Issue on Fillers 6242 5Radiesse 28R 29 Dermal Filler Featured Prominently in Journal of Dermatologic Surgery Special Issue on Fillers 6242 6China Biotics Inc to Supply Probiotics to Pharmaceutical Company 6240 1China Biotics Inc to Supply Probiotics to Pharmaceutical Company 6240 2China Biotics Inc to Supply Probiotics to Pharmaceutical Company 6240 3Alimera Reports Results From the Three Month Interim Readout of the Human PK Medidur 28TM 29 FA Study 2529 1Alimera Reports Results From the Three Month Interim Readout of the Human PK Medidur 28TM 29 FA Study 2529 2Alimera Reports Results From the Three Month Interim Readout of the Human PK Medidur 28TM 29 FA Study 2529 3(Date:8/7/2008)...ld ID millions who don,t know they have disease ,...A widely used test to monitor blood sugar levels i...s of people with undetected diabetes, according to...ts. , The hemoglobin A1c test (HbA1c) shows ho...o in the previous 120 days, the average life span ...
(Date:8/7/2008)...SNewswire/ -- Vapotherm, the,global leader in High...,clearance from the Food and Drug Administration (...umidification system to integrate gas,blending, fl...device for,the optimal conditioning of nasal cannu...currently used in neonatal, pediatric and,adult ap...
(Date:8/7/2008)...High Quality Nursing Home Care;,Helps Preserve, St... Mo., Aug. 7 /PRNewswire-USNewswire/ -- Citing the...itical frontline-caregiver,infrastructure, the Coa...,Senator Pat Roberts for helping to lead a success...h Administration from moving forward with a new,re...
(Date:8/7/2008)...women,s kids from previous relationship , ...men ages 18 to 44 are more than twice as likely as...ld, a new federal report says. , The report use...wth, which showed that more than 1.2 million men a...easons why more men adopt than women aren,t outlin...
Breaking Medicine News(10 mins):Health News:Blood Sugar Test May Also Aid Diabetes Detection 2Health News:Vapotherm(R) Precision Flow(TM) Receives FDA 510(k) Clearance 2Health News:Senator Pat Roberts Praised for Leading Successful Effort to Derail $6.2 Million Kansas Medicare Cuts 2MultiHanceProHanceTeslascanOmniscanGastroMarkFeridexMAGNEVISTSonoVueDefinityOptisonUltravistVisipaqueSimonDermatomeHumeca
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