Antibiosis is a biological interaction between two or more organisms that is detrimental to at least one of them; it can also be an antagonistic association between an organism and the metabolic substances produced by another. Examples of antibiosis include the relationship between antibiotics and bacteria or animals and disease-causing pathogens. The study of antibiosis and its role in antibiotics has led to the expansion of knowledge in the field of microbiology. Molecular processes such cell wall synthesis and recycling, for example, have become better understood through the study of how antibiotics affect beta-lactam development through the antibiosis relationship and interaction of the particular drugs with the bacteria subjected to the compound. Antibiosis is typically studied in host plant populations and extends to the insects which feed upon them. "Antibiosis resistance affects the biology of the insect so pest abundance and subsequent damage is reduced compared to that which would have ...
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Fermentation extracts from fungi isolated from vineyard ecosystems were tested for antimicrobial activities against a set of test microorganisms, including five food-borne pathogens (Staphylococcus aureus EP167, Acinetobacter baumannii (clinically is
The acquired resistances to antibiotics of animal pathogens are obviously obtained from microorganisms of the environment, which is ultimately the source and the sink of resistance genes. This Research Topic will focus on the source, generation, transfer and dissemination of resistance genes in the environment, especially in soil and water. The impact of agronomical practices, such as cattle supplements, field application of animal wastes and the use of GMOs, will be emphasized.
BioAssay record AID 6035 submitted by ChEMBL: Evaluated for the antagonistic activity against Serotonin 5-hydroxytryptamine 3 receptor in isolated perfused rabbit heart (RH).
As a member of the wwPDB, the RCSB PDB curates and annotates PDB data according to agreed upon standards. The RCSB PDB also provides a variety of tools and resources. Users can perform simple and advanced searches based on annotations relating to sequence, structure and function. These molecules are visualized, downloaded, and analyzed by users who range from students to specialized scientists.
This invention relates to a method for coating a medical device comprising the steps of applying to at least a portion of the surface of said medical device, an antimicrobial coating layer and a non-pathogenic bacterial coating layer, wherein the antimicrobial and non-pathogenic bacterial coating layers inhibit the growth of pathogenic bacterial and fungal organisms. The non-pathogenic bacterium used in the bacterial coating layer is resistant to the antimicrobial agent. Furthermore, the non-pathogenic bacterium layer includes at least one of the following: viable whole cells, non-viable whole cells, or cellular structures or extracts. The antimicrobial agent and non-pathogenic bacterium are used to develop a kit comprising these compositions in one container or in separate containers. The kit is used to coat a catheter prior to implantation in a mammal.
A total of 46 Lactobacillus isolates obtained from chicken intestine were assessed on their ability to adhere to the chicken ileal epithelial cell (IEC) in vitro. Twelve out of the 46 isolates showed moderate to good ability to adhere to the IEC. Temperature (between 4°C and 42°C) did not affect att
Read more about Predatory bacteria may wipe out superbugs: study on Business Standard. Predatory bacteria - that eat others of their kind - could be a new weapon in the fight against drug-resistant bacteria or superbugs, a new study suggests. A naturally occurring predatory bacterium is able to work with the immune system to clear
Lamiophlomis Rotate Capsules-For Bleeding and Pain [Product Name] Du Yi Wei Jiaonang/ Duyiwei Jiaonang/ Lamiophlomis Rotate Jiaonang/ Lamiophlomis Rotate Capsules [Ingredients] Lamiophlomis Rotate. (Duyiwei) [Properties] Capsule with brown powder; Slight fragrant, bitter. [Functions] promoting blood circulation to arrest pain, removing stasis and relieving pain. ( Huo Xue Zhi Tong, Hua Yu Zhi Xue ). It has four functions: analgesia, hemostasis, antibiosis and improving immunologic function. It is used for wound pain, bleeding, traumatic fracture, sprain, rheumatism arthralgia, uterine bleeding, dysmenorrheal and swelling and aching of gum. [Spec.] 24 pills /box. [Usage and Dosage] Take 3 pills per time, three times daily. [Adverse Reaction] Not yet proven. [Taboo] Pregnancy women are taboo. [Storage] Keep sealed in dry and cool place. [Cautions] 1. Pregnancy women are taboo. 2. Hypersensitivity to this product should stop using. 3. Do not use this product if expired. 4. Keep out of reach of children. 5.
Name: Cefixime Another name:8-[[2-(2-Amino-1,3-thiazol-4-yl)-2-(carboxymethoxyimino)acetyl]amino] -4-ethenyl-7-oxo-2-thia-6-azabicyclo[4.2.0]oct-4-ene-5-carboxylic acid Structural formula: C16H15N5O7S2 Molecular weight: 453.45 CAS NO: 79350-37-1 Appearance: white to off white powder or off white crystal powder; MP:218-225 degree Use: antibiosis drug Package: 25KG/Drum, 5kg/bag If you are ...
Name: Cefixime Another name:8-[[2-(2-Amino-1,3-thiazol-4-yl)-2-(carboxymethoxyimino)acetyl]amino] -4-ethenyl-7-oxo-2-thia-6-azabicyclo[4.2.0]oct-4-ene-5-carboxylic acid Structural formula: C16H15N5O7S2 Molecular weight: 453.45 CAS NO: 79350-37-1 Appearance: white to off white powder or off white crystal powder; MP:218-225 degree Use: antibiosis drug Package: 25KG/Drum, 5kg/bag If you are ...
The Genetics Society of America (GSA), founded in 1931, is the professional membership organization for scientific researchers and educators in the field of genetics. Our members work to advance knowledge in the basic mechanisms of inheritance, from the molecular to the population level.. Online ISSN: 1943-2631. ...
New clinical trial demonstrated statistically significant improvements in multiple indices of periodontal health following one month of probiotic BLIS M18 lozenge consumption.
Arsenal unveiled new signing Nacho Monreal on the same day that manager Arsene Wenger revealed fellow left back Kieran Gibbs will be out for up to eight weeks.
Multidrug-resistant (MDR) Gram-negative bacteria have emerged as a serious threat to human and animal health. Bdellovibrio spp. and Micavibrio spp. are Gram-negative bacteria that prey on other Gram-negative bacteria. In this study, the ability of Bdellovibrio bacteriovorus and Micavibrio aeruginosavorus to prey on MDR Gram-negative clinical strains was examined. Although the potential use of predatory bacteria to attack MDR pathogens has been suggested, the data supporting these claims is lacking. By conducting predation experiments we have established that predatory bacteria have the capacity to attack clinical strains of a variety of ß-lactamase-producing, MDR Gram-negative bacteria. Our observations indicate that predatory bacteria maintained their ability to prey on MDR bacteria regardless of their antimicrobial resistance, hence, might be used as therapeutic agents where other antimicrobial drugs fail.
11, Iuliana RAUT, Mariana CONSTANTIN, Gelu VASILESCU, Luiza JECU, Tatiana ŞESAN, Screening of antagonistic Trichoderma for biocontrol activities on phytopathogens
Production of bacteriocin-like inhibitory substances (BLIS) by Streptococcus salivarius strains isolated from the tongue and throat of children with and without sore throat ...
Lachnobacterium bovis ATCC ® BAA-151™ Designation: LRC 5382 TypeStrain=True Application: Produces bacteriocin-like inhibitory substance
An international team of researchers has solved a long-standing microbial mystery; the knowledge may help fight antibiotic resistant bacteria.
Wiley Online Library is migrating to a new platform powered by Atypon, the leading provider of scholarly publishing platforms. The new Wiley Online Library will be migrated over the weekend of February 24 and 25 and will be live on February 26, 2018. For more information, please visit our migration page:http://www.wileyactual.com/WOLMigration ...
A clinically-researched multistrain live bacteria for the gut-brain microbiome and intestinal barrier health, which works to support the immune response and tight junctions and to break down lipopolysaccharides. Also containing Probioact TechnologyPROBIOACT® stands for probiotic activity and is a technology developed b
In this virtual lab, grow two species of paremecium in test tubes and record data on their population growth. Experiment shows that when grown together, one species will die, illustrating the competitive exclusion principle.
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Mycoparasitism is considered a major contributor to fungus-fungus antagonism. The necrotrophs, primarily Trichoderma species, have a wider host range and less-specific mode of action, and perhaps for this reason more field and greenhouse trials have made use of these. Trichoderma species are focused in this chapter, because they have been the focus of the most work at the molecular and cellular levels. The interaction of Trichoderma with soilborne pathogenic fungi is an excellent example of necrotrophic mycoparasitism. Drastic reduction of intracellular cyclic AMP (cAMP) by knockout of adenylate cyclase leads to slow growth and loss of mycoparasitism in T. virens. In T. atroviride, mutants in the ortholog of the same mitogen-activated protein kinase (MAPK) gene, tmk1, showed increased coiling but reduced mycoparasitism in confrontation assays. A potentiation in the gene expression enables Trichoderma-treated plants to be more resistant to subsequent pathogen infection. Chytrids parasitizing vesicular
This study aimed to select an isolate of Lactobacillus spp. from the leaves of Pandanus amaryllifolius with the potential for biofilm development to inhibit various types of food-borne spoilage and pathogenic bacteria. The applicability and usefulness of the newly isolated strain, denoted as Lb. plantarum PA21, were extended via its capacity to express heterologous protein. The imaged biofilms and cell count results showed differences during the biofilm maturation periods. The ability of bacteria to adhere to the abiotic surface in plastic microtiter plates was measured using a conventional biofilm assay. The method offers some advantages compared to the study of biofilm formation in flow cells, which is an alternative widely used method. Watnick and Kotler [29] showed that the microtiter plate assay can be utilized to distinguish true biofilm formation similar to the biofilm grown in flow cells. This method appeared attractive for obtaining quantitative results based on CFU and optical ...
Read "Evaluation of Lactic Acid Bacteria Isolated from Fermented Plant Products for Antagonistic Activity Against Urinary Tract Pathogen Staphylococcus saprophyticus, Probiotics and Antimicrobial Proteins" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.
Secale cereale; Triticum aestivum; Mayetiola destructor; intergeneric hybridization; chromosome translocation; translocation lines; polyploidy; genetic resistance; antibiosis; larvae; mortality; chromosome ...
Just, H.M., Carneiro Leao, M.T.R., Daschner, F.D. und Andreesen, Reinhard (1987) Antibacterial activity of monocytes and macrophages against Staphylococcus aureus and Klebsiella pneumoniae in combination with Latamoxef. In: Szentiavanyi, A. und Friedman, H. und Gillissen, G., (eds.) Antibiosis and Host Immunity. Plenum Press, New York, S. 203-210. ISBN 0306426005; 978-0306426001. Im Publikationsserver gibt es leider keinen Volltext zu diesem Eintrag. ...
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Trichoderma harzianum QID74 protein: inducible cell wall protein isolated from Trichoderma harzianum; 25.3% identical to BR3 protein; amino acid sequence in first source
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Damping-off is caused by fungus and it usually occurs in small patches at various places in the seedbeds or field. The disease spots often increase from day to day until the seedlings harden. Seedlings are extremely susceptible for about two weeks after emergence. As the stem hardens and increases in size, the injury no longer occurs. Some seedlings are not killed at once, but the roots are severely damaged and the stem is girdled at the ground level. Such plants remain stunted and often do not survive transplanting. The injury from damping-off fungi is of two types ...
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An oral-cavity probiotic, BLIS M18, significantly reduced the development of dental caries in children in a recent study, Blis Technologies and Stratum Nutrition say.
Hydra is able to regenerate any part of its body to rebuild an entire individual. The head organizer performs two opposite activities, one activating, which causes the head to differentiate, and the other inhibiting, which prevents the formation of supernumerary heads. Researchers at UNIGE have discovered the identity of the inhibitor, called Sp5, and deciphered the dialogue between these two antagonistic activities, which helps maintain a single-headed adult body and organize an appropriate regenerative response.
The influence of inoculation dilution and cell-free culture fluids from Vp cultures on Vp growth rates.Cultures were grown in pre-warmed MB at 37 °C. Represe
Arsene Wenger has been at Arsenal so long that Gunners fans feel as if they know him inside out. However, in truth, few fans will ever get to be face-to-face with the Arsenal manager...
Robin van Persie could return to Arsenal duty against Wigan after injury problems which have seen him play just eight matches this season
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Sources of infection Infection is caused either by organisms from the hosts normal flora (endogenous infection) or by organisms transmitted from another source (exogenous infection). Endogenous infection The normal flora will only invade if circumstances permit, as in some of […]
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The unifying goal of our work is to develop new approaches for the prevention of urinary tract infection (UTI) in persons with spinal cord injury (SCI). Most individuals with SCI have neurogenic bladders, and the resulting urinary stasis and bladder catheterization predispose them to recurrent UTI. Currently few, if any, measures are effective at prevention of UTI in persons with neurogenic bladders.. Bacterial interference, or using benign bacteria to prevent infection with virulent pathogens, may offer a solution to the significant problem of recurrent episodes of UTI in persons with SCI. Two trials in persons with SCI of instilling nonpathogenic Escherichia coli (83972) directly into the bladder demonstrated a strong association between colonization with this non-pathogen and decreased frequency of UTI. However, the successful colonization rate of the direct inoculation method was low (51-62%). Since a urinary catheter-associated biofilm, or bacteria plus extracellular matrix, continually ...
The results of this study confirm that systemic administration of L salivarius 118 had an anti-inflammatory effect on colitis in IL-10 KO mice, demonstrating that the oral route is not mandatory for its effect. It is noteworthy that the anti-inflammatory effect was of comparable, but not superior, magnitude to that previously reported by us using the oral route of administration.9 Dosing and frequency of administration were arbitrary, with a compromise between exposure to the microbes while minimising stress to the animals. Whether alternative regimens would have a greater or lesser impact requires study. The results are not specific to this model, nor to intestinal inflammation, because the anti-inflammatory effect was also seen in a murine model of arthritis. This further supports an earlier observation that probiotic effects are not solely local, but may include systemic anti-inflammatory activity.9 The systemic nature of the probiotic activity is reflected in a decrease in proinflammatory ...
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This study explores the use of lactic acid bacteria from fresh salad vegetables to inhibit fungal growth. The antifungal assay was done using the agar well diffusion method as reported by Schillinger and Lucke (1989). The largest zone of inhibition (25mm) was recorded by the antagonistic activity of the isolate identified to Lactobacillus plantarum ...
Polycyclic amides 2 and 5-9 were successfully synthesised and their lipophilicity profiles were evaluated using reverse-phase HPLC. All synthesised compounds possessed P2X7R antagonistic properties when tested on rat spinal cord microglia cells. Extensive screening for binding to other neuroreceptor subtypes demonstrated their P2X7 selectivity ...
بیماری مرگ گیاهچه یکی از بیماری‌‌های مهم پنبه در مناطق مختلف کشور می باشد که همه ساله خسارت زیادی به مزارع پنبه‌کاری وارد می نماید. اخیراً، گونه‌های تریکودرما به عنوان یکی از روش‌های کنترل بیولوژیکی مرگ گیاهچه در نظر گرفته شده است. مهم‌ترین مکانیسم بیوکنترلی تریکودرما تحریک سیستم دفاعی گیاه است. در این بررسی ترشحات خارج سلولی دو جدایه متعلق به قارچ Trichoderma virense جدایه A224، بعنوان جدایه برتر و آنتاگونیست علیه قارچ Rhizoctonia solani عامل بیماری مرگ گیاهچه پنبه و جدایه A442 بعنوان جدایه غیر موثر در بیوکنترل مورد آزمایش قرار گرفتند. بررسی تغییرات فعالیت آنزیم