American Chemical Society's Weekly PressPac -- June 20, 2007
...ere effective in controlling the growth of several strains of streptococci bacteria that are involved in tooth decay, and some cases of sore throat. Overall, our findings seem to indicate that wine can act as an effective antimicrobial agent against the tested pathogenic oral streptococci and might be active...Modified mushrooms may yield human drugs
...ogy to convert the vegetative tissue from mushroom strains stored in the freezer into vegetative seed. A crop from which drugs may be extracted could be ready in weeks," Dr. Romaine said. A mushroom-based biofactory also would not require expensive infrastructure set up by major drug companies, he added....New amfAR research grants to optimize HIV treatment
...n. Dr. Kent plans to study the nature of the virus strains that become part of the reservoir, as well as the timing of the reservoirs establishment, in order to gain a better understanding of how interventions designed to cure HIV infection must work. Lori Leonard, Sc.D. Johns Hopkins School of Public Heal...Helping chlorine-eating bacteria clean up toxic waste
... less-toxic compounds behind. But D. ethenogenes strains work well at some sites and not so well at others,...aid. Her laboratory will test the D. ethenogenes strains under a variety of different conditions, such as exposing them to different chlorinated compounds on...454 sequencing identifies HIV drug resistance at early stage
...n the clinic may miss many low-level resistant HIV strains which can grow rapidly under drug selection pressu...t have the ability to suppress these resistant HIV strains which will lead to better clinical responses in patients. While treatment of HIV has been largely ...Ultra deep sequencing identifies HIV drug resistance at early stage
...thcare System. These low frequency resistant viral strains are not detectable by current resistance testing m...n the clinic may miss many low-level resistant HIV strains that can grow rapidly under drug selection pressure and lead to therapy failure. This study clear...Deprived bacteria grow up meaner
...am used fluorescent labelling to tell the bacteria strains apart. Bacterial oxygen restriction increased the number of animals carrying L. monocytogenes in their internal organs, although it did not affect the actual number of bacteria infecting each organ. It seems that oxygen restriction smoothes the bac...Banding together: RAS signaling of circadian output
...of the work done on Neurospora has used laboratory strains carrying the band mutation, because it enables researchers to visualize the fungus' daily circadian growth cycles. Research on Neurospora using this strain has contributed to understanding the basis of jet lag as well as some affective disorders. ...Could fungal collection hold the key to new life-saving drugs?
...cal drugs to fight cancers, diseases and resistant strains of infections such as MRSA. SIDR brings together scientists from different disciplines to focus on drug discovery. They have developed test systems to detect biological activity in samples of natural products that could lead to new medicinal produc...Bacteria ferry nanoparticles into cells for early diagnosis, treatment
...effectively for a wide range of needs." Harmless strains of bacteria could be used as vehicles, harnessing bacteria's natural ability to penetrate cells and their nuclei, Bashir said. "For gene therapy, a big obstacle has been finding ways to transport the therapeutic DNA molecule through the nuclear mem...Rutgers: GM/GMO/Biotech crop containment strategy
...nts. Svab and Maliga acknowledge that different strains of tobacco may produce plastid-carrying pollen at different frequencies, possibly accounting for some of the discrepancy between the old genetic data and the new. They emphasize that it will be important that any new crops that are developed be selec...A new plant-bacterial symbiotic mechanism promising for crop applications
...searchers sequenced (3) the genes of two bacterial strains of Bradyrhizobium, ORS278 and BTAi1, in order to find out their genetic make-up and identify the genes involved in this rather special form of symbiosis. These bacteria were found to have no nod genes, usually essential for nodulation. Bradyrhizobium...Finding protection from tumor growth in unexpected places
...fferent melanoma cell lines and by using different strains of mice expressing high levels of ACE in macrophages. Interestingly, the small tumors of ACE 10/10 mice contained significantly higher numbers of white blood cells, suggesting a large anti-tumor immune response. To confirm the existence of an ACE-...UCR biologist receives $1.75 million grant to study plant-threatening bacteria
... favor them. According to Nunney, new Xylella strains are evolving, thus complicating the research being...done on the bacterium. We started to pick up some strains that showed a mixture of all three North American subspecies. They may have picked up pieces of DNA ...New study suggests potential for a broadly-protective HIV vaccine
...develop a vaccine that protects against the myriad strains of the HIV virus. HIV is extremely variable, so an...ced as a result of immunization neutralized all 48 strains of HIV-1 tested. The results are encouraging for vaccine development, because they showed that it is...ACS News Service Weekly PressPac -- May 23, 2007
...he researchers point out that while most E. coli strains are harmless, some strains do cause gastrointestinal diseases in human. Symptoms include vomiting and diarrhea, as well as mor...How plague-causing bacteria disarm host defense
...ase, including means to fight antibiotic-resistant strains of Yersinia that could be used in biological warfare, according to Navarro. The genus Yersinia includes three species of bacteria that are pathogenic to humans: Y. pestis is perhaps the most infamous, being responsible for the bubonic plague (als...Tiny genes may increase cancer susceptibility, Jefferson scientists find
...cated at or near the susceptibility areas in mouse strains with a variety of tumor types. The team also looked at which mouse strains were cancer-resistant and which were susceptible to cancer, uncovering seven miRNAs that had genetic...New data on the probiotic strain Bifantis shows anti-inflammatory properties
... one of the studies released today, four bacterial strains were fed to mice. Of these four strains, researchers determined that only Bifantis delayed the onset of artificially induced arthritis and resulted in less severe arthritic symptoms. This study represents some of the latest work assessing the link ......Clem plans to infect them with genetically altered strains of Sindbis, a virus related to those that cause equine encephalitis. Some strains will contain genes that block apoptosis, Clem said, and others will encourage the process. He will...