• Also, the data acquired in this research project seem to show that the role of Mfd in increasing mutations and promoting antibiotic resistance is highly conserved across bacterial species, and is not specific to only a few types of pathogens. (phys.org)
  • The wide diversity of bacterial nucleases provides a rich source of enzymes that could be exploited as signal amplifying biomarkers to enable rapid, selective detection of bacterial species. (nih.gov)
  • In the scientific classification established by Carl von Linné , each bacterial strain has to be assigned to a species ( binary nomenclature ), which is a lower level of a hierarchy of ranks. (wikipedia.org)
  • In a synecological , true-to-nature situation in which more than one bacterial species is present, the growth of microbes is more dynamic and continual. (princeton.edu)
  • however, a truly clonal bacterial species is extremely rare. (pnas.org)
  • Subacute bacterial endocarditis (SBE) is usually caused by streptococcal species (especially viridans streptococci), and less often by staphylococci. (healthcentral.com)
  • Also, Relman said, the distribution of bacterial species might change once the microbes have left the human hand, making the pattern less easy to link to a person. (latimes.com)
  • Previous studies performed by scientists and collaborators at Lawrence Berkeley National Laboratory's (Berkeley Lab) Molecular Foundry have made enormous headway toward cellular-electrode communication by using E. coli as a testbed for expressing an electron transfer pathway naturally occurring in a bacterial species called Shewanella oneidensis MR-1. (rdmag.com)
  • This sequence is conserved across all bacterial species. (rug.nl)
  • While bacterial cystitis is common among other species, cats usually develop cystitis for other reasons. (vetinfo.com)
  • The production of resistant spores by certain pathogenic bacterial species contributes to their transmission and difficulties in preventing their reoccurrence. (els.net)
  • Researchers identified 31 bacterial species and 1 species of yeast, with 9 organisms identified as "opportunistic pathogens. (apta.org)
  • Second, a cell wall encases most bacterial species, and scientists assumed this semi-rigid structure obviated the need for a cytoskeleton. (hopkinsmedicine.org)
  • Soon, scientists discovered other bacterial cytoskeleton proteins, and conducted studies that indicated these proteins endowed bacterial species with their idiosyncratic shapes (from rods to stars) and also aided in cell division. (hopkinsmedicine.org)
  • Plus, the basic cytoskeletal proteins are the same from one bacterial species to the next. (hopkinsmedicine.org)
  • The differences in morphology and other properties were attributed by Nageli in 1877, to bacterial pleomorphism, which postulated the existence of a single, a few species of bacteria, which possessed a protein capacity for a variation. (wikipedia.org)
  • Bacterial meningitis is very serious and can be deadly. (cdc.gov)
  • Certain people are at increased risk for bacterial meningitis. (cdc.gov)
  • Babies are at increased risk for bacterial meningitis compared to people in other age groups. (cdc.gov)
  • However, people of any age can develop bacterial meningitis. (cdc.gov)
  • Generally, the germs that cause bacterial meningitis spread from one person to another. (cdc.gov)
  • Cases of bacterial meningitis caused by Haemophilus influenzae, Neisseria meningitidis , group A Streptococcus , and Listeria monocytogenes should be reported to CDC's National Notifiable Diseases Surveillance System under the disease codes specific for these organisms. (cdc.gov)
  • Only cases of bacterial meningitis caused by organisms other than those specified should be reported as cases of 'meningitis, other bacterial. (cdc.gov)
  • The case of meningitis that led to the death of Andrea Jaime (NHS '17) on Tuesday was bacterial, Assistant Vice President for Student Health Services Jim Welsh confirmed in a meeting with Jaime's Copley 5 floormates on Thursday night, followed by a university-wide email alerting the Georgetown community of the diagnosis. (thehoya.com)
  • According to the Centers for Disease Control and Prevention, viral meningitis is usually not as serious as bacterial meningitis and generally lasts seven to 10 days. (thehoya.com)
  • Bacterial meningitis requires immediate medical attention and can lead to a variety of health problems such as brain damage, hearing loss or learning disabilities. (thehoya.com)
  • There were approximately 4,100 cases of bacterial meningitis in the United States with about 500 fatal cases each year between 2003 and 2007. (thehoya.com)
  • The Centers for Disease Control and Prevention recommends that anyone who has had close personal contact with someone diagnosed with bacterial meningitis take the antibiotic, defining close contact as household members, child care center contacts, and anyone exposed to the patient's oral secretions, such as through kissing or sharing a cup. (thehoya.com)
  • Welsh said that the university originally gave the antibiotic just to a small group of individuals who had lived in close contact with Jaime, such as her roommate and her close friends, before they received confirmation of the meningitis as bacterial. (thehoya.com)
  • Although many American teenagers receive a vaccine for bacterial meningitis, there is not currently a licensed vaccine in the United States that protects against the serogroup B strain. (thehoya.com)
  • Welsh initially informed the campus community Wednesday that it was unlikely Jaime's case of meningitis had been bacterial, writing in a university-wide email that "to date, all test results in this case are negative for bacterial meningitis" and that "each day that passes without positive bacterial growth in the tests further decreases the likelihood that this was a case of bacterial meningitis. (thehoya.com)
  • Tests of the meningitis at Georgetown University MedStar Hospital produced uncertain results, and the university sent the results to the CDC for further testing, which confirmed a bacterial diagnosis. (thehoya.com)
  • The strain of bacterial meningitis identified by the university is the same type that was present at Princeton University, Drexel University in Philadelphia and the University of California, Santa Barbara, last year. (thehoya.com)
  • What is bacterial meningitis? (reference.com)
  • Bacterial meningitis is usually a very severe disease that must be treated quickly and efficiently to prevent lifelong injury or death. (reference.com)
  • Bacterial meningitis can be contracted multiple ways. (reference.com)
  • While everyone is susceptible to bacterial meningitis, select groups have a higher risk of contracting the disease. (reference.com)
  • Infants, the elderly and people living in close quarters such as college students or military service members, are all at a higher risk of being diagnosed with bacterial meningitis, according to the CDC. (reference.com)
  • Bacterial meningitis has taken two lives in two days at a pair of area high schools, but health authorities said Friday there is probably no link between the deaths. (nydailynews.com)
  • Bacterial meningitis isn't spread through casual contact. (nydailynews.com)
  • De Gans J, van de Beek D, for the European Dexamethasone in Adulthood Bacterial Meningitis Study Investigators. (cmaj.ca)
  • Background: Even when bacterial meningitis is diagnosed and treated promptly, it causes significant morbidity and mortality in adults. (cmaj.ca)
  • 1 To date, strong evidence to support the use of steroids in adults with bacterial meningitis has been lacking. (cmaj.ca)
  • Question: Is the adjunctive use of dexamethasone beneficial in the treatment of adults with acute bacterial meningitis? (cmaj.ca)
  • Design: This prospective, randomized, double-blind, placebo-controlled multicentre trial, conducted in Europe between June 1993 and December 2001, enrolled 301 patients aged 17 years or more with suspected bacterial meningitis (based on the results of cerebrospinal fluid [CSF] analysis). (cmaj.ca)
  • Commentary: This is the first prospective clinical trial that strongly supports the use of dexamethasone in adults with acute bacterial meningitis, albeit in select circumstances. (cmaj.ca)
  • The optimal duration of steroid therapy in acute bacterial meningitis is unknown, and it is conceivable that shorter courses may be as effective as a 4-day course. (cmaj.ca)
  • While the characterization of resistance genes was already made possible by advances in functional metagenomic approaches, these methods cannot quantify proteins and decipher the potential bacterial signaling cascades involved in AMR. (mcponline.org)
  • The researchers call bacterial proteins like Mfd "evolvability factors" because, by increasing mutation rates , they propel the evolution of bacteria. (phys.org)
  • The researchers then took the 'parent' bacterial strain and the groups of surviving bacteria from both of these experiments and measured the levels of activity of the seven genes that produce MDR pump proteins. (www.nhs.uk)
  • BOF: a novel family of bacterial OB-fold proteins. (ebi.ac.uk)
  • Researchers at University of Pennsylvania School of Medicine have discovered that Cecropin A, a member of a family of antibiotic proteins produced by insects, may kill bacteria and avoid resistance by entering bacterial cells and taking control of their genetic machinery. (scienceblog.com)
  • Only 23 of these proteins, however, are common to all the other bacterial flagella studied so far. (newscientist.com)
  • Bacterial endospores possess a unique mode of resistance to UV irradiation involving specialised DNA‐binding proteins. (els.net)
  • Goley focuses on the bacterial cytoskeleton, a collection of cellular proteins that assemble themselves into a scaffold that gives the bacterial cell its shape and may help to orchestrate cell division. (hopkinsmedicine.org)
  • EAST LANSING, Mich. - For the first time, scientists have visualized the fine details of bacterial microcompartment shells - the organisms' submicroscopic nanoreactors, which are comprised completely of protein. (eurekalert.org)
  • Diseased plants should not be composted since the pile does not reach a high enough temperature over winter to kill bacterial organisms. (umn.edu)
  • Investigators from the Pacific Northwest National Laboratory have demonstrated that some bacterial organisms keep themselves busy by making tiny nanowires, used for distribution of energy among individuals. (medgadget.com)
  • This concise yet comprehensive text surveys the field of bacterial metabolism in terms useful to students and researchers. (springer.com)
  • To see it, the researchers used a state-of-the-art electron microscope, purchased by Caltech using a gift from the Gordon and Betty Moore Foundation, that enabled them to observe bacterial cell samples in a near-native state. (caltech.edu)
  • In a recent issue of Science, researchers report the first demonstration that bacterial cells intrinsically possess a significant degree of randomness or "noise. (scienceblog.com)
  • The researchers say that this proof-of-concept experiment demonstrates that bacterial computing is a new way to address NP-complete problems using the inherent advantages of genetic systems. (slashdot.org)
  • Bacterial toxins (such as botulinum neurotoxins, Shiga toxins, and staphylococcal enterotoxins) and their variants are characterized using these detection systems. (usda.gov)
  • Papers presented at the Workshop Conference on Bacterial Protein Toxins, held in Seillac on June 26-30, 1983, and sponsored by the Centre national de la recherche scientifique and the Federation of European Microbiological Societies. (worldcat.org)
  • The Comprehensive Sourcebook of Bacterial Protein Toxins, Fourth Edition, contains chapters written by internationally known and well-respected specialists. (elsevier.com)
  • Bacterial toxins are involved in the pathogenesis of many bacteria, some of which are responsible for severe diseases in human and animals, but can also be used as tools in cell biology to dissect cellular processes or used as therapeutic agents. (elsevier.com)
  • In vitro studies and prospective clinical trials have shown that fourth-generation fluoroquinolones are better than the older generation fluoroquinolones and are as potent as combined fortified antibiotics against common pathogens that cause bacterial keratitis. (hindawi.com)
  • Antibiotics do little to sort out the problem because it is several different types of bacteria and most women discover that recurrent bacterial vaginosis treatment is the only way to deal with the problem. (infobarrel.com)
  • Bladder stones, tumors and nervous system abnormalities may all be causes for recurrent bacterial growth. (vetinfo.com)
  • Bacterial keratitis remains one of the most important potential complications of contact lens use. (medscape.com)
  • This is one of the most feared complications of bacterial keratitis that may result in secondary endophthalmitis and possible loss of the eye. (medscape.com)
  • The resistance properties of bacterial endospores contribute to their roles in food spoilage and in human and animal pathogenesis. (els.net)
  • Facts101 is your complete guide to Bacterial and Bacteriophage Genetics. (tradebit.com)
  • Bacterial genetics is the subfield of genetics devoted to the study of bacteria. (wikipedia.org)
  • Bacterial genetics are subtly different from eukaryotic genetics, however bacteria still serve as a good model for animal genetic studies. (wikipedia.org)
  • One of the major distinctions between bacterial and eukaryotic genetics stems from the bacteria's lack of membrane-bound organelles (this is true of all prokaryotes. (wikipedia.org)
  • Bacterial growth is the division of one bacterium into two daughter cells in a process called binary fission . (princeton.edu)
  • Reproduction by binary fission virtually guarantees the clonality of a bacterial lineage. (pnas.org)
  • To review the newer treatments for bacterial keratitis. (hindawi.com)
  • Unless you actually do something to handle the potential causes of this imbalance, it is possible that you will suffer from repeated outbreaks of bacterial vaginosis. (infobarrel.com)
  • The bacterial colonies from the computer mice most closely matched those of the owner's hands, the scientists found. (latimes.com)
  • Scientists have discovered a promising new drug lead that works by inhibiting the sophisticated bacterial communication system called quorum sensing. (scienceblog.com)
  • While mass-spectrometry-based proteomics has enabled the study of signaling dynamics on a global scale through the quantification of site-specific protein phosphorylation in eukaryotes, the study of bacterial phospho-signaling has largely lagged behind due to technical hurdles. (mcponline.org)
  • This protein influences bacterial lifestyle decisions by binding to the 5' untranslated and/or early coding regions of mRNA targets, causing changes in translation initiation, RNA stability, and/or transcription elongation. (nih.gov)
  • H-NS is an pleiotropic regulator and an architectural protein of the enterobacterial chromosome (the nucleoid), and it is important for silencing of loci acquired by horizontal gene transfer and for bacterial fitness. (uni-koeln.de)
  • Some destroy the bacterial protein synthesis machinery. (hopkinsmedicine.org)
  • In 1998, structural biologist Jan Löwe, in the United Kingdom, demonstrated that a bacterial protein called FtsZ is an evolutionary counterpart of tubulin, a key protein component of the eukaryote cytoskeleton. (hopkinsmedicine.org)
  • Up to 20% of cases of fungal keratitis (particularly candidiasis) are complicated by bacterial coinfection. (medscape.com)
  • Scar tissue formation with the presence of corneal vascularization may be the end result of a bacterial keratitis. (medscape.com)
  • Fourth-generation fluoroquinolones are good alternatives to standard treatment of bacterial keratitis using combined fortified topical antibiotics. (hindawi.com)
  • Bacterial nanowires (also known as microbial nanowires) are electrically conductive appendages produced by a number of bacteria most notably from (but not exclusive to) the Geobacter and Shewanella genera. (wikipedia.org)
  • Biologically it is unclear what is implied by the existence of bacterial nanowires. (wikipedia.org)
  • In microbial fuel cells (MFCs), bacterial nanowires generate electricity via extracellular electron transport to the MFC's anode. (wikipedia.org)
  • The currency produced by bacterial nanowires very low. (wikipedia.org)
  • Bacterial nanowires have been shown to have significant potential applications in the fields of bioenergy and bioremediation. (wikipedia.org)
  • Further application significance of bacterial nanowires include bioelectronics. (wikipedia.org)
  • The bacterial nanowires were as small as 10 nanometers in diameter and formed bundles as wide as 150 nanometers. (medgadget.com)
  • Bereft of these "electron acceptors," bacterial nanowires "will literally reach out and connect cells from one to another to form an electrically integrated community," Gorby said. (medgadget.com)
  • Bacterial cells talk to each other in a form of cell-to-cell communication known as quorum sensing. (medicalnewstoday.com)
  • The prototype sensor system monitors the natural response of bacterial cells bound within the microscopic channels of a plastic microfluidics device -- a miniaturized chemical and biochemical analysis system. (scienceblog.com)
  • Bacterial endospores are cells with specialised modifications to their structure and contents. (els.net)
  • Bacterial endospores are produced via a simple developmental process involving cooperative and regulated gene expression of two cells. (els.net)
  • I very much doubt they are working with a strain that is in any way dangerous to a human, and E.coli is not transmitted by air so even if some of the cells in a bacterial computer mutate into a more deadly type they are not going to harm you unless you eat the thing directly or your food comes into contact with it. (slashdot.org)
  • However bacteria that are not naturally competent can be treated in such a way to make them competent, usually by treatment with calcium chloride, which make them more permiable Bacterial conjugation is the transfer of genetic material (plasmid) between bacterial cells by direct cell-to-cell contact or by a bridge-like connection between two cells. (wikipedia.org)
  • Infectious diarrhea and bacterial food poisoning. (medscape.com)
  • HOUSTON-- The authors of the life-on-Mars paper that rocked the world last summer ( Science , 16 August 1996, p. 924 ) say they have found further evidence of past life in the famed meteorite: residue from bacterial secretions. (sciencemag.org)
  • What is the pathophysiology of bacterial colitis? (medscape.com)
  • Nonetheless, the role of sexual activity in the development of the situation will not be absolutely understood, and bacterial vaginosis can nonetheless develop in women who have not had sexual intercourse at all. (infobarrel.com)
  • However, sexual intercourse is not the only factor that influences the onset of bacterial vaginosis . (mercola.com)