• Experience has shown that they are generally safe in use and effective in controlling pathogenic organisms. (positivehealth.com)
  • Typically, larvae hang with their heads downward, suspended from the water surface, diving when disturbed or to feed on tiny aquatic organisms. (unl.edu)
  • This endangers the quality of lakes and streams, where high levels of oxygen are required for fish and other aquatic organisms to survive. (britannica.com)
  • In conclusion it was possible to define a preliminary scenario of the different effects that CB litter can cause to different key organisms in aquatic environments, underlining the importace of monitoring of this "emerging pollutant" in both internal and coastal areas. (easychair.org)
  • Malathion is not expected to accumulate in the food chain due to rapid break down in aquatic organisms. (cdc.gov)
  • Penicillin G interferes with the synthesis of cell wall mucopeptide during active multiplication, resulting in bactericidal activity against susceptible microorganisms. (medscape.com)
  • It interferes with bacterial cell wall synthesis during active replication, causing bactericidal activity against susceptible organisms. (medscape.com)
  • Tetracyclines may interfere with the bactericidal action of penicillins. (medscape.com)
  • The term pest derives from the Latin pestis , meaning "plague," and is used to describe plants (weeds), vertebrates, insects, mites, pathogens, and other organisms that occur where we do not want them. (fsu.edu)
  • Moreover, these poisons typically gain their effect by interfering with the normal metabolic processes of the undesirable organism. (fsu.edu)
  • As a result, they not only interfere with various processes of healing, but can even cause life-threatening infections. (innovations-report.com)
  • In his pioneering work, Jacques Loeb 3 considered that physicochemical biology completely and correctly explained the development of organisms and all participating processes. (nature.com)
  • Discovered almost 80 years ago, antibiotics are man-made, synthetic chemicals that kill certain bacteria by interfering with various processes in the synthesis of the cell wall or proteins. (positivehealth.com)
  • The main objective of research in my laboratory is to understand how environmental pollutants interfere with and change biological processes in organisms from natural, wild populations. (lu.se)
  • General recommendations and organism-specific therapeutic regimens for bacterial conjunctivitis are provided below, including those for Staphylococcus aureus, Streptococcus pneumoniae, Haemophilus influenzae, Neisseria gonorrhoeae, and Chlamydia species. (medscape.com)
  • It is indicated for the treatment of infections caused by susceptible organisms involving the respiratory tract. (medscape.com)
  • The availability of such a theory represents a fundamental progress in explaining both normal and pathological organism development. (nature.com)
  • Work with Select Agents necessitates complete inactivation because these organisms can cause serious illness or death and could potentially endanger public health through accidental infection of laboratory workers. (cdc.gov)
  • Firstly, they can neutralize our infection-fighting first-responder antibodies, so they interfere with our body's ability to fight the infection if it persists. (medicalnewstoday.com)
  • Infection by this organism is insidious -- symptoms are absent or minor among most infected women and many men. (cdc.gov)
  • In TB individuals with HIV co-infection, especially those with low CD4 cell counts, organisms are at greater risk of development of rifampin resistance during treatment. (fabretp.org)
  • Penicillins are highly active against gram-positive organisms. (medscape.com)
  • The organism's existing biology may interfere with the desired reaction. (the-scientist.com)
  • Because of their chemical nature, both cadmium and zinc can interfere with an organism's ability to process calcium, which can result in toxic effects. (usgs.gov)
  • As a toxin, Botox* is a biological substance that interferes with the operation of a living organism. (botonics.co.uk)
  • 7] Penicillin is an effective antibiotic for human diseases because it interferes with a biological component in bacteria (cell wall) not found in human cells. (icr.org)
  • The endemicity of brucellosis in our coun- into 2 mL Na-citrate tubes and stored at try necessitates isolation of the organism for -20 ºC until analysis. (who.int)
  • Those criteria were essentially the conditions inside a living cell or living organism such as a mouse a reaction that could occur in water at pH 7 and at 98.6 degrees Fahrenheit. (medindia.net)
  • When that happens, mass-mortality of calcifying organisms can occur. (skepticalscience.com)
  • Seasonal cycles begin when light increases in the spring and causes higher surface temperatures, which result in increased metabolism and therefore, growth rates of organisms. (tristateactorstheater.org)
  • Other compounds that 2-butene-1,4-dial interfered with play key roles in metabolism. (futurity.org)
  • Human being illness with and the disease TB symbolize a complex connection between the rate of metabolism of the organism and the defenses of the sponsor. (fabretp.org)
  • Prolonged organisms are metabolically less active, Rabbit Polyclonal to ALK or differently active, making attacks on growth and rate of metabolism less effective. (fabretp.org)
  • I noticed there were no holothurians (sea cucumbers) and these organisms are tremendously abundant at seeps. (ibtimes.com)
  • Even though zinc is itself moderately toxic, because it is more abundant it can block more highly toxic cadmium from interfering with calcium uptake. (usgs.gov)
  • Chitosan is derived through the deacetylation of chitin which is naturally produced by many living organisms and is the second most abundant polysaccharide on earth after cellulose. (scottlab.com)
  • They outcompete indigenous organisms that can produce VA and other off-aromas, initiate alcoholic fermentation, and interfere with inoculated yeast. (scottlab.com)
  • History of recurrent invasive infections caused by encapsulated organisms, such as meningococcus, pneumococcus, and H. influenzae. (who.int)
  • It is indicated for the prophylaxis or treatment of mild to moderately severe upper respiratory tract infections caused by organisms susceptible to low concentrations of penicillin G. (medscape.com)
  • Once an organism is identified, an appropriate antibiotic is selected, and the child is demonstrating a good clinical response, continue outpatient therapy with either high-dose oral antibiotics or parenteral antibiotics. (medscape.com)
  • 3] Streptomyces release antibiotics into the soil in a sort of 'biochemical warfare' scenario to eliminate competing organisms from their environment. (icr.org)
  • Streptomyces-produced quinolone and coumarin antibiotics, such as novobiocin, interfere with a protein called gyrase that assists in the normal separation of double-stranded DNA during replication of DNA or transcription of messenger RNA. (icr.org)
  • The production of antibiotics by these organisms provides them with a competitive advantage over non-resistant bacteria in their environment. (icr.org)
  • Just as large organisms such as plants and animals must compete for living space, food, and water, these microbes use antibiotics to eliminate competition with other microbes for these same resources. (icr.org)
  • prior use of antibiotics may interfere with growth of Brucella spp. (who.int)
  • Another troubling aspect was the failure of viability tests, performed after irradiation, to detect viable organisms. (cdc.gov)
  • Organisms that are still viable after weeks of treatment to which they are vulnerable are termed persistors [17]. (fabretp.org)
  • My expertise lies in answering questions about how environmental pollutants interact with organisms on a molecular level. (lu.se)
  • 4. Develop methods to understand and integrate experimental data from the molecular level to the whole organism. (cdc.gov)
  • A brief look at an example of penicillin resistance reveals the increase in the frequency of antibiotic-resistant organisms since the time when antibiotic use became common. (icr.org)
  • 1] In 1980 it was estimated that 3-5% of S. pneumoniae were penicillin-resistant and by 1998, 34% of the S. pneumoniae sampled were resistant to penicillin.1 Antibiotic resistance by other organisms reflects the same trend observed between S. pneumoniae and penicillin. (icr.org)
  • Given that these drugs have novel mechanisms of action, combinations have the prospect to be highly active even against multidrug-resistant organisms. (fabretp.org)
  • Of 9 million fresh TB cases per year, 500,000 are MDR-TB, defined as disease caused by an organism resistant to both isoniazid (INH) and rifampin [14]. (fabretp.org)
  • The increase in resistance among these organisms clearly indicates a change in the frequency of antibiotic resistance genes. (icr.org)
  • organisms develop spontaneous resistance mutations that can interfere with a medicines mechanism of action, activation or access into the cell. (fabretp.org)
  • Awareness of local trends in prevalent organisms and local resistance patterns is key. (medscape.com)
  • We confirmed that our fixation procedures for tissues containing these Tier 1 Select Agents resulted in complete inactivation and that our validated viability testing methods do not interfere with detection of live organisms. (cdc.gov)
  • In our work with background food-borne organisms, which can interfere with pathogen detection, we have found that it is generally possible to achieve an acceptable E (= 1 ± 0.1) for standard solutions by optimizing the PCR conditions, primer sequence, template purity and amplicon lengths. (usda.gov)
  • While there are naturally occurring organisms that break down hydrocarbons, Joye said they can't work fast enough to clear the oil away anytime soon. (ibtimes.com)
  • This interferes with the tree's own absorption of water and nutrients and eventually leads to death. (bbc.co.uk)
  • Some organisms have the remarkable ability to adapt to increased sunlight by increasing or changing the number of photosynthetic pigments (accessory pigments) available for capturing the sunlight. (tristateactorstheater.org)
  • Our long-term goal is to make prediction about how organisms will adapt to living in a contaminated future world in both water and land environments. (lu.se)
  • Now a US team has identified the enzymes and organisms in the gut that are responsible for breaking down the drug. (newscientist.com)
  • A nutrient is a food component that an organism uses to survive and grow. (ebi.ac.uk)
  • Bites and subsequent scratching may open the way for secondary infectious organisms which invade the wound. (unl.edu)
  • Several 22-nucleotide long miRNAs trigger biogenesis of cascades of trans-acting secondary small interfering RNAs, involved in various developmental and stress responses. (ncbs.res.in)
  • Inhibiting the enzyme in a living organism might lead to unchecked cell proliferation, or cancerous growth. (futurity.org)
  • INITIA will also rapidly consume large amounts of oxygen, which further deprives pre-fermentation spoilage organisms of oxygen they require for growth. (scottlab.com)
  • Many marine organisms build and maintain their protective shells or skeletons from 'biogenic' calcium carbonate. (skepticalscience.com)
  • Toxic metals in the environment can interfere with protective cold-acclimation responses of organisms. (bvsalud.org)
  • Further, mosquitoes are a tremendous nuisance, interfering with outdoor work and recreational activities. (unl.edu)
  • Usually, there is a tremendous diversity of infaunal organisms on the bottom. (ibtimes.com)
  • The radiation would lead to higher rates of genetic mutations in organisms or interfere with their ability to repair DNA damage. (sott.net)
  • On the same line of thought, another important contribution was expressed by Denis Noble noble2006, showing that organisms are much more than simple machines built from genetic information, and the relationship between parts is fundamental as they affect gene expression. (nature.com)
  • For example, when the service life of respirator cartridges is reduced by the presence of an interfering agent, it should be determined whether that agent is toxic. (cdc.gov)
  • DeLong and Vasseur, 2013, Competition and Coexistence in Model Populations, 'Competition' refers to a negative interaction between organisms. (tristateactorstheater.org)
  • The reaction also couldn't interfere with all the other biomolecules in a cell or organism that keep it alive. (medindia.net)
  • They bind to nicotinic acetylcholine receptors to interfere with neuronal signalling, particularly to muscle, resulting in twitching, cramps and muscle weakness at lower levels. (i-sis.org.uk)
  • Secondly, they can mimic the original invading organism and bind to our cells in the same way. (medicalnewstoday.com)
  • At low exposure levels (below 100 mg/kg/day), ingestion of stable strontium poses no harm to organisms with access to adequate calcium, phosphorus, and vitamin D (ATSDR 2001e). (cdc.gov)
  • At higher exposure levels, especially under conditions of inadequate calcium, phosphorus, and vitamin D, stable strontium will interfere with normal bone development, causing `strontium rickets' of variable severity. (cdc.gov)
  • Or if a protein led to a behavior disorder, interfered with a medicine, or had other subtle effects? (cspinet.org)
  • It interferes with the expression of specific genes with complementary nucleotide sequences by degrading mRNA after transcription, preventing translation. (wikipedia.org)
  • Malathion interferes with the normal way that the nerves and brain function. (cdc.gov)
  • Water pollution , the release of substances into subsurface groundwater or into lakes , streams, rivers , estuaries , and oceans to the point where the substances interfere with beneficial use of the water or with the natural functioning of ecosystems . (britannica.com)
  • The present work introduces a computational implementation of some principles of a theory of organism development, namely that the default state of cells is proliferation and motility, and includes the principle of variation and organization by closure of constraints. (nature.com)
  • The saliva may also contain disease organisms picked up from an earlier feeding on an infected host. (unl.edu)
  • Through successive feedings, these disease-causing organisms can readily be transmitted among birds, other animals and humans. (unl.edu)
  • To attempt to "cure" a disease is to stop, or interfere with, the healing process. (positivehealth.com)
  • During drug treatment of human being TB, vulnerable organisms can be eradicated from sputum rapidly, usually within 2 months, but a continuation phase for weeks of treatment after cultures are bad is required to prevent re-emergence of the disease [10]. (fabretp.org)
  • Although the samples contained low numbers of live organisms and did not pose a serious risk, this event was a breach in a regulation intended to restrict access to the pathogen and safeguard public health. (cdc.gov)
  • However, it may take and wider public health implications to 2-6 weeks to isolate the organism. (who.int)
  • Over the last three decades, an increasing interest in how climate change will affect life on earth has motivated many comparative physiologists to focus their research on the effects of Anthropogenic drivers (mainly represented by climate change and pollution) on the physiological performance of their study organisms in order to identify critical thresholds and tipping points for their sustainable existence or mere survival. (easychair.org)
  • Small RNAs such as microRNAs (miRNAs) and small interfering (si)RNAs are short 20-24-nucleotide non-coding RNAs. (ncbs.res.in)
  • For GMOs made from gene transfers between closely related species, or if the donor organism is a traditional food and does not cause allergies, only notification and provision of specified summary data would be required. (cspinet.org)
  • Burns, P.J. Organisms higher on the food chain receive energy from the sun indirectly. (tristateactorstheater.org)
  • They are key regulators of gene expression in plants and other organisms. (ncbs.res.in)
  • However, a fraction of these particles carry enough energy to interfere with the operation of microelectronic circuitry. (vanderbilt.edu)
  • James Miller introduced the living systems theory 4 , where each system must include a number of critical subsystems, dealing with their structure, interaction, behavior and development, that can be applied from simple cells to full organisms. (nature.com)
  • to be active against persistor organisms, and have the prospect to dramatically shorten treatment courses for active and latent TB. (fabretp.org)