Relevant bibliographies by topics / Gram-Negative Pathogen

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Gram-Negative Pathogen'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Gram-Negative Pathogen"

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Shreya, Dubey M.N. Brahmbhatt Sonali Thakur Nilam Parmar. "Gram-Negative Food Borne Pathogen: A Review." Science World a monthly e magazine 2, no. 11 (2022): 1949–52. https://doi.org/10.5281/zenodo.7387152.

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The term "food-borne diseases" refers to illnesses contracted by ingesting contaminated food and includes both foodborne infections and foodborne intoxications. It is also frequently used interchangeably with "food poisoning." Approximately 3-5 billion episodes of diarrhea and over 1.8 million deaths in children under the age of five are estimated to occur globally, according to the WHO. A sizable portion of these incidents are attributed to consuming food, primarily food of animal origin contaminated with microbial pathogens or toxins.
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Abaturov, Oleksandr, and Anna Nikulina. "Development of the Immune Response in Pneumonia Caused Pseudomonas aeruginosa (Part 1)." Family Medicine, no. 5 (December 30, 2016): 85–93. http://dx.doi.org/10.30841/2307-5112.5.2016.248760.

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Nosocomial bacterial pneumonia associated with Gram-negative pathogens, characterized by severe, high risk of complications and death. This article describes the immune response to infection with gram-negative bacterium Pseudomonas aeruginosa respiratory tract, which provide an effective clearance of the pathogen. The mechanisms of the respiratory tract showcased that an image-recognition receptors cells inducing pathogen-associated molecular structures Pseudomonas aeruginosa.
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Çınar Acar, Berat. "Evaluation of ozone effectiveness against Gram-positive and Gram-negative pathogens using different methods." Mustafa Kemal Üniversitesi Tarım Bilimleri Dergisi 29, no. 2 (2024): 606–21. http://dx.doi.org/10.37908/mkutbd.1437244.

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Ozone attracts great attention due to its strong oxidative properties, antimicrobial activity, easy applicability, operating costs almost negligible, lack of chemicals in its use, highly effective and environmentally friendly application. In this study, two Gram (+) and two Gram (-) bacterial cultures, known as pathogens, were used to examine the effect of ozone gas on the growth of bacterial cultures. The samples were treated with ozone at different flow rates (4, 5, and 6 mg/L) and durations (1, 5, 10, 15, and 20 min) with different application parameters (pathogen bacteria, distilled water,
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Abaturov, Oleksandr, and Anna Nikulina. "Development of the Immune Response in Pneumonia Caused Pseudomonas aeruginosa (Part 1)." Family Medicine, no. 5 (November 30, 2016): 85–93. https://doi.org/10.30841/2307-5112.5.2016.248760.

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Nosocomial bacterial pneumonia associated with Gram-negative pathogens, characterized by severe, high risk of complications and death. This article describes the immune response to infection with gram-negative bacterium Pseudomonas aeruginosa respiratory tract, which provide an effective clearance of the pathogen. The mechanisms of the respiratory tract showcased that an image-recognition receptors cells inducing pathogen-associated molecular structures&nbsp;<em>Pseudomonas aeruginosa</em>.
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Fröschen, Frank Sebastian, Thomas Martin Randau, Alexander Franz, Ernst Molitor, Achim Hoerauf, and Gunnar Thorben Rembert Hischebeth. "Microbiological Trends and Antibiotic Susceptibility Patterns in Patients with Periprosthetic Joint Infection of the Hip or Knee over 6 Years." Antibiotics 11, no. 9 (2022): 1244. http://dx.doi.org/10.3390/antibiotics11091244.

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We sought to analyze trends of the causative pathogens and their antibiotic susceptibility patterns in patients with periprosthetic joint infections (PJI) of the hip and knee to get better insights and improve treatment. Retrospective evaluation of all consecutive patients with microbiological detection of a causative pathogen at a tertiary endoprothetic referral center between January 2016 and December 2021 in Germany was performed. Overall, 612 different microorganisms could be detected in 493 patients (hip: n = 293; knee: n = 200). Evaluation did not show a change in the relative abundance
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Branger, Judith, Sylvia Knapp, Sebastiaan Weijer, et al. "Role ofToll-Like Receptor 4 in Gram-Positive and Gram-Negative Pneumonia inMice." Infection and Immunity 72, no. 2 (2004): 788–94. http://dx.doi.org/10.1128/iai.72.2.788-794.2004.

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ABSTRACT To determine the role of Toll-like receptor 4 (TLR4) in the immune response to pneumonia, C3H/HeJ mice (which display a mutant nonfunctional TLR4) and C3H/HeN wild-type mice were intranasally infected with either Streptococcus pneumoniae (a common gram-positive respiratory pathogen) or Klebsiella pneumoniae (a common gram-negative respiratory pathogen). In cases of pneumococcal pneumonia, TLR4 mutant mice showed a reduced survival only after infection with low-level bacterial doses, which was associated with a higher bacterial burden in their lungs 48 h postinfection. In Klebsiella pn
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Amati, Francesco, and Marcos I. Restrepo. "Emerging Resistance of Gram Negative Pathogens in Community-Acquired Pneumonia." Seminars in Respiratory and Critical Care Medicine 41, no. 04 (2020): 480–95. http://dx.doi.org/10.1055/s-0040-1709137.

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AbstractIn recent decades, there has been a growing interest about the role of gram negative bacteria in community-acquired pneumonia (CAP), especially Pseudomonas aeruginosa, Enterobacteriaceae, and Acinetobacter baumannii. The prevalence of these pathogens differs largely according to the local ecology and the geographical location. Identifying gram negative bacteria, and in particular resistant gram negative bacteria, is of paramount importance in patients with CAP because these pathogens are associated with higher clinical severity and unfavorable outcomes. The use of individualized risk f
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M, V. Dharsandia1, Khanpara1 Charmi, K. Sadikot2 A, H. Kansagra2 C, and K. Rawal2 K. "Comamonas Testosteroni Emerging Gastrointestinal Pathogen." People's Journal of Scientific Research 16, no. 1 (2023): 1–3. https://doi.org/10.5281/zenodo.8077219.

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Comamonas testosteroni newly emerging microorganism previously known as Pseudomonas testosteroni is common environmental bacterium that is not known to be a part of the human commensal organism. Since its identification as a human pathogen in 1987, numerous reports have drizzled in, implicating this organism for various infections. Comamonas testosteroni are rare isolates in microbiology laboratories and have been infrequently reported as an infectious agent in routine clinical practice. Comamonas testosteroni has been rarely observed as an infectious agent in clinical practice. Comamonas test
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Samoylova, L. M., A. N. Shilova, Yu N. Gorbatykh, S. N. Prokhorov, O. V. Strunin, and M. A. Novikova. "Characteristics of gram-negative microflora isolated from the blood of cardiac patients over 5 years." Patologiya krovoobrashcheniya i kardiokhirurgiya 18, no. 3 (2015): 49. http://dx.doi.org/10.21688/1681-3472-2014-2-49-54.

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Currently gram-negative bacteria are recognized as the most problematic pathogens. The authors studied the incidence of bacteremia caused by gram-negative microflora and its sensitivity to antibiotics in patients who underwent cardiac surgery. We analyzed the results of blood tests over a period of 5 years, from 2007 to 2011. During this period, 216 strains of gram-negative bacteria were identified. Enterobacteria accounted for 57.4% (124) of the structure of the gram-negative flora, while 42.6% (92) were glucose non-fermentative gram-negative bacteria. The prevailing pathogens detected when s
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Loivukene, K., K. Kermes, E. Sepp, et al. "Surveillance of antimicrobial resistance of invasive pathogens: the Estonian experience." Eurosurveillance 11, no. 2 (2006): 9–10. http://dx.doi.org/10.2807/esm.11.02.00601-en.

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The aim of the present study was to evaluate the needs for surveillance of invasive Gram-negative pathogens in Estonia. The antimicrobial susceptibility data of invasive isolates of Acinetobacter baumannii, Pseudomonas aeruginosa, Klebsiella spp, Escherichia coli, Staphylococcus aureus, Streptococcus pneumoniae and enterococci were collected in accordance with EARSS (European Antimicrobial Resistance Surveillance System) protocols. Despite the higher rate of Gram positive pathogens, their resistance to antimicrobials was low in contrast to the elevated resistance established for Gram negative
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Dissertations / Theses on the topic "Gram-Negative Pathogen"

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Abdullah, Abdallah Ibansharred. "Virulence determinants of aeromonads and other gram-negative bacteria." Thesis, University of Liverpool, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.275038.

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Chan, Anson Chi-Kit. "Iron transport in two pathogenic Gram-negative bacteria." Thesis, University of British Columbia, 2011. http://hdl.handle.net/2429/32406.

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Campylobacter jejuni and Escherichia coli strain F11 are two Gram-negative pathogens with a versatile armament of iron uptake systems to cope with the fluctuating host nutrient environment. Our current understanding of Gram-negative iron uptake systems focuses heavily on a prototypical scheme involving a TonB-dependent outer membrane receptor and an ABC transporter, with little knowledge on systems that do not fall neatly into this paradigm. The primary focus of this thesis is the characterization of three such atypical iron uptake proteins from C. jejuni (ChaN and P19) and pathogenic E. coli
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Lynch, Martin J. "Quorum sensing in Aeromonas hydrophila biofilm formation." Thesis, University of Nottingham, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.324695.

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Grape, Malin. "Molecular basis for trimethoprim and sulphonamide resistance in Gram negative pathogens /." Stockholm, 2006. http://diss.kib.ki.se/2006/91-7140-870-3/.

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Gillette, Devyn Dior. "Characterization of Inadequate Host Responses to Intracellular Gram-negative Bacterial Pathogens." The Ohio State University, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=osu1385465357.

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Gonciarz, Ryan Lennox. "Broadening the spectrum of antibacterial agents to tackle multidrug-resistant Gram-negative pathogens." Thesis, University of Leeds, 2018. http://etheses.whiterose.ac.uk/22308/.

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Antimicrobial resistance is one of the greatest threats to human health in the 21st century: particularly resistance amongst Gram-negative bacteria. The work presented herein aims to identify new agents that target drug-resistant Gram-negative pathogens such as E. coli, through the rational modification of the oxazolidinone class of antibiotics. This class, exemplified by linezolid, is well validated for treating Gram-positive derived infections, but lacks clinically-useful activity against Gram-negative bacteria. An integrated approach encompassing structure-based drug design, organic synthes
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Willsey, Graham Geier. "Detection Of The Lung Environment By Multi-Drug Resistant Gram-Negative Bacterial Pathogens." ScholarWorks @ UVM, 2018. https://scholarworks.uvm.edu/graddis/978.

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Nosocomial lung infections are a growing concern in the United States, with more than 300,000 cases reported annually. More than 30 % of which are caused by the Gram-negative bacteria, Pseudomonas aeruginosa and Klebsiella pneumoniae. Similarly, Gram-negative bacteria establish chronic infections in individuals with cystic fibrosis (CF) that are difficult or impossible to eradicate.P. aeruginosa has historically been one of the most prevalent pathogens of adults with CF. However, as antipseudomonal therapy has improved, more antibiotic resistant species have taken hold, including Stenotrophomo
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Ricchetti, Beatrice <1988&gt. "Understanding and exploiting lipoprotein translocation in Gram negative pathogens for improved vaccine antigen delivery platforms." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2018. http://amsdottorato.unibo.it/8517/1/Phd%20thesis_beatrice%20Ricchetti_v3.pdf.

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Lipoproteins of pathogenic Gram-negative bacteria are involved in different biological processes due to their highly immunogenic nature; and have proven to be good vaccine antigens. The lipoprotein translocation machinery of model organisms such as Escherichia coli is well characterized but unlikely E. coli, N. meningitidis displays many lipoproteins on its surface and recently an additional translocation component, Surface lipoprotein assembly modulators, involved in the surface exposure of specific N. meningitidis lipoproteins, has been identified. Several aspects were investigated: the sort
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Romoli, Ottavia. "Antimicrobial peptide-mediated immune response in four Bombyx mori strains infected with Gram-positive and -negative pathogens." Doctoral thesis, Università degli studi di Padova, 2016. http://hdl.handle.net/11577/3424450.

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The domesticated silkworm Bombyx mori is an important organism for its intrinsic economic and biotechnological value, but also for representing a model organism for Lepidoptera genetics. Silkworm strains can be grouped into four geographical types (Japanese, Chinese, European and Tropical) characterized by a different resistance to infections, which is inversely correlated to the silk productivity. The aim of this project was to characterize which are the main elements of the immune response protecting Bombyx mori against pathogen infections, with the final purpose to obtain silkworms enhance
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De, Lamo Castellví Sílvia. "Behaviour of pathogenic gram negative bacteria inoculated in milk and model cheese treated with high hydrostatic pressure." Doctoral thesis, Universitat Autònoma de Barcelona, 2006. http://hdl.handle.net/10803/5672.

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Els efectes de les altes pressions hidrostàtiques i la capacitat per sobreviure, recuperar-se i créixer de tres microorganismes patògens (Yersinia enterocolitica, Escherichia coli Salmonella enterica) van ser investigats en llet desnatada i en un formatge model elaborat amb i sense estàrter. Les mostres inoculades amb aquests microorganismes, van ser tractades a 300, 400 i 500 MPa (exceptuant les mostres inoculades amb soques de S. enterica) durant 10 minuts a 20ºC o a temperatura ambient i van ser analitzades microbiològicament just després d'aplicar el tractament d'altes pressions i als 1, 2
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Books on the topic "Gram-Negative Pathogen"

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A, Clark William, and Centers for Disease Control (U.S.), eds. Identification of unusual pathogenic gram-negative aerobic and facultatively anaerobic bacteria. U.S. DHHS, PHS, Centers for Disease Control ; Washington, D.C. : For sale by the Supt. of Docs., U.S. G.P.O., 1985.

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Ming, Tan, and Patrik M. Bavoil. Intracellular pathogens I: Chlamydiales. ASM Press, 2012.

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F, Baquero, ed. Evolutionary biology of bacterial and fungal pathogens. ASM Press, 2007.

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Bukharin, O. V. Biologii͡a︡ patogennykh kokkov. Medit͡s︡ina, 2002.

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S, Weyant Robin, ed. Identification of unusual pathogenic gram-negative aerobic and facultatively anaerobic bacteria. 2nd ed. Williams & Wilkins, 1996.

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Aggregatibacter actinomycetemcomitans—Gram-Negative Bacterial Pathogen. MDPI, 2021. http://dx.doi.org/10.3390/books978-3-03943-377-3.

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Johnson, Douglas I. Bacterial Pathogens and Their Virulence Factors. Springer, 2017.

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Johnson, Douglas I. Bacterial Pathogens and Their Virulence Factors. Springer, 2018.

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(Editor), Fernando Baquero, Cesar Nombela (Editor), Gail H. Cassell (Editor), and Jose A. Gutierrez-fuentes (Editor), eds. Evolutionary Biology of Bacterial and Fungal Pathogens. ASM Press, 2007.

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Legionella pneumophila: Pathogenesis and immunity. Springer, 2007.

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Book chapters on the topic "Gram-Negative Pathogen"

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Kritihi, Assia, Khadija Ouaissa, Abdel Aziz Maychal, Youness Oumessaoud, Mustapha Barakate, and Mustapha Hasnaoui. "Biochemical and Enzymatic Characterization of a Gram-negative Fish Pathogen Isolated in Morocco from Rainbow Trout and Comparison with Isolates of Other Countries and Sources." In Recent Advances in Environmental Science from the Euro-Mediterranean and Surrounding Regions. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-70548-4_130.

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Nitzan, Yeshayahu, and Izabella Pechatnikov. "Chapter 3. Approaches to Kill Gram-negative Bacteria by Photosensitized Processes." In Photodynamic Inactivation of Microbial Pathogens. Royal Society of Chemistry, 2011. http://dx.doi.org/10.1039/9781849733083-00045.

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Paitan, Yossi, and Eliora Z. Ron. "Gram-Negative Pathogens: Overview of Novel and Emerging Resistant Pathogens and Drugs." In Antimicrobials. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-662-45786-3_3.

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Mietzner, T. A., S. B. Tencza, P. Adhikari, K. G. Vaughan, and A. J. Nowalk. "Fe(III) Periplasm-to-Cytosol Transporters of Gram-Negative Pathogens." In Current Topics in Microbiology and Immunology. Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/978-3-642-80451-9_7.

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Freestone, Primrose P. E., and Sara Sandrini. "Mechanisms by Which Catecholamines Induce Growth in Gram-Negative and Gram-Positive Human Pathogens." In Microbial Endocrinology. Springer New York, 2010. http://dx.doi.org/10.1007/978-1-4419-5576-0_3.

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Hung, H. Y., J. M. Wells, and T. A. Chen. "Monoclonal Antibodies for Differentiating Some Strains of the Fastidious Gram-Negative Bacteria from Plants." In Plant Pathogenic Bacteria. Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3555-6_72.

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Crumplin, G. C. "Gram Negative Mutants Resistant to 4-Quinolones: Are they Competent Pathogens?" In The 4-Quinolones: Anti Bacterial Agents in Vitro. Springer London, 1990. http://dx.doi.org/10.1007/978-1-4471-3449-7_18.

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Paterson, David L., and Robert A. Bonomo. "Multidrug-Resistant Gram-Negative Pathogens: The Urgent Need for ‘Old’ Polymyxins." In Advances in Experimental Medicine and Biology. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-16373-0_2.

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Vermeulen, Arjan J., Yuzhou Tang, and Alejandro P. Heuck. "Translocation of Toxins by Gram-Negative Pathogens Using the Type III Secretion System." In Toxinology. Springer Netherlands, 2018. http://dx.doi.org/10.1007/978-94-007-6449-1_29.

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Vermeulen, Arjan J., Yuzhou Tang, and Alejandro P. Heuck. "Translocation of Toxins by Gram-Negative Pathogens Using the Type III Secretion System." In Microbial Toxins. Springer Netherlands, 2016. http://dx.doi.org/10.1007/978-94-007-6725-6_29-1.

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Conference papers on the topic "Gram-Negative Pathogen"

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"Surveillance of Urine Cultures and Evaluation Gram Negative Uropathogens; Five Year Data from Erbil." In 4th International Conference on Biological & Health Sciences (CIC-BIOHS’2022). Cihan University, 2022. http://dx.doi.org/10.24086/biohs2022/paper.592.

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Urinary tract infections (UTIs) are most common infectious disease and a public health problem that imposes a large economic burden. The aim of this study is to gather surveillance data of urine cultures and determine the prevalence of uropathogens in urine samples of patients referred to outpatient clinics in Erbil region and to evaluate the antimicrobial susceptibility of the gram negative uropathogens. All urine cultures result of patients referred to Erbil hospitals in the last 5 years (2015-2020) are retrospectively examined in this study. Microorganisms are identified by standard bacteri
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Sauerborn, Ela, Tim Reska, Youssef Hamway, and Lara Urban. "Real-time metagenomics for rapid clinical pathogen identification and resistance prediction in gram-negative bloodstream infections." In Genetoberfest 2023. ScienceOpen, 2023. http://dx.doi.org/10.14293/gof.23.034.

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Pirdawid, Ahmed, Shler hussien, Zubaidah Agha, and Saeedah Aljadani. "Effect of Propolis on the Isolated Bacterial Infection on Covid-19 Patients in Erbil city- Iraq." In 5th International Conference on Biomedical and Health Sciences. Cihan University-Erbil, 2024. http://dx.doi.org/10.24086/biohs2024/paper.1418.

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Abstract—Background: One of the valuable products which produced by honey bees from plant resinous materials is Propolis, it has been widely used in traditional herbal medicine as immune system proponent, and health aid. Recently, interest in the Propolis products has been noted worldwide, especially after COVID-19 pandemic. Materials and Methods: Samples were collected from (50) of different source of COVID-19 patients by using sterile disposable container who were admitted to Emergency Management Center (EMC for covid19) in Erbil city. The identification of bacterial isolates through microbi
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Mahgoub, Yasmine, Rida Arif, and Susu Zughaier. "Pyocyanin pigment from Pseudomonas aeruginosa modulates innate immune defenses in macrophages." In Qatar University Annual Research Forum & Exhibition. Qatar University Press, 2021. http://dx.doi.org/10.29117/quarfe.2021.0137.

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Background: Pseudomonas aeruginosa is a well-known opportunistic pathogen. The gram-negative bacillus, commonly associated with hospital-acquired infections, utilizes the host’s impaired immune responses to establish infection. Of its many virulence factors, pyocyanin is essential for P. aeruginosa to establish its full infectivity. Macrophages act as sentinels of the innate immune system, as well as play other roles in homeostasis, tissue remodeling, and bridging between the innate and adaptive immune systems. Aim: This study aimed to investigate the effects of pyocyanin on macrophage innate
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Jonnalagadda, Keertana, Rachel Carr, and Valerie Carabetta. "Evaluation of the Efficacy of Novel Drugs and Combinations Against Extensively- and Pan-Drug Resistant Acinetobacter baumannii Isolates." In 28th Annual Rowan-Virtua Research Day. Rowan University Libraries, 2024. http://dx.doi.org/10.31986/issn.2689-0690_rdw.stratford_research_day.110_2024.

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Acinetobacter baumannii, a Gram-negative, nosocomial, opportunistic pathogen is commonly infectious in immunocompromised patients. More specifically patients develop healthcare-associated infections (HAI) spanning beyond sepsis, pneumonia, meningitis, and urinary tract infections. Due to its rapid ability to acquire antibiotic resistance, it has raised the necessity to discern a novel therapeutic treatment that can be effectively used against the multidrug resistant (MDR) A. baumannii. Cooper University Hospital (CUH) faced an increased case load of patients that were infected with MDR A. baum
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A. ABDUL KADER, May, and Amera Mahmood AL-RAWI. "INVESTIGATION AND ISOLATION OF BIOFILM GROW IN REFRIGERATORS." In VI.International Scientific Congress of Pure,Applied and Technological Sciences. Rimar Academy, 2022. http://dx.doi.org/10.47832/minarcongress6-22.

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Many people are often suffering from food poisoning and other health diseases. The isolation of pathogens from domestic refrigerators was performed to determine the prevalence of pathogenic microorganisms. Samples were obtained from domestic refrigerators of various parts of Mosul city. The swabs were inoculated onto Mannitol salt agar, EMB agar, MacConkey agar and were incubated for 24 hours at 37C. After incubation 10 bacterial cultures were obtained using various cultivation medium. Gram’s staining revealed 10 isolates were Gram negative. For the Gram negative isolates biochemical tests wer
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khalid Al- kheroo, Zahraa. "In Vitro Activity of Spirulina Against Some Pathogenic Bacteria." In XII. International Scientific Congress of Pure, Applied and Technological Sciences. Rimar Academy, 2024. https://doi.org/10.47832/minarcongress12-21.

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Increasing resistance to antibiotics is one of the most important global problems threatening public health. Therefore, alternative methods to reduce pathogens are being sought. The current study aims to study the effect of spirulina on some pathogenic species. Two concentrations of spirulina (250 and 500 mg/mL) were used and tested for their effects on Gram-positive bacteria (Staphylococcus aureus and Bacilli), Gram-negative bacteria (Escherichia coli, Klebsiella, and Pseudomonas aeruginosa) and fungi (Candida albicans and Candida tropicalis). The antibiotic susceptibility of the same species
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Chirra, B., S. Simbassa, Q. Chen, et al. "Antimicrobial Efficacy and Targeted Nanoparticle Delivery of Silver Ibuprofen to Treat Multi-Drug Resistant Gram-Positive and Gram-Negative Pathogens." In American Thoracic Society 2019 International Conference, May 17-22, 2019 - Dallas, TX. American Thoracic Society, 2019. http://dx.doi.org/10.1164/ajrccm-conference.2019.199.1_meetingabstracts.a3700.

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Iancu, Ionica, Viorel Herman, Ileana Nichita, and Alexandru Gligor. "RESEARCH ON THE AEROBIC BACTERIAL FLORA ISOLATED FROM CATTLE WITH CLINICAL ENDOMETRITIS." In 23rd SGEM International Multidisciplinary Scientific GeoConference 2023. STEF92 Technology, 2023. http://dx.doi.org/10.5593/sgem2023/6.1/s25.23.

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In cattle, uterine infections are one of the major causes of reproductive disorders. These bacterial infections are frequently treated with antibiotics, but their effectiveness must be evaluated, due to the continuous emergence of bacterial strains with multiple drug resistances. The research was conducted on several 190 samples from cows with a presumptive diagnosis of endometritis. The exploitation technology practiced at this farm is the free stall type. Samples were collected using sterile swabs and transported under appropriate conditions to the laboratory. The definitive identification o
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Sajet AL-OQAILI, Rasha Mohamed, Huda Zuheir MAJEED, Firas Mohammed Sajet AL-OQAILI, and Abdalkader Saeed LATIF. "USE OF BEET ROOT FOR CULTURING GRAM NEGATIVE BACTERIA IN LABORATORY." In IV.International Scientific Congress of Pure,Appliedand Technological Sciences. Rimar Academy, 2022. http://dx.doi.org/10.47832/minarcongress4-2.

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Microbes were grown in the laboratory for different purposes, by supporting their needs for growth .Nutrient Agar is a universal medium used for growing a wide spectrum of bacteria. The needing to make a medium which could replace the used commercial media by using materials which is available at the local market and cheap ,especially using these media at scientific search laboratories cost so much due to high needs and use. This led to think about using grains and plant roots as a substitute materials in order to prepare new media to cultivate bacteria. This study use Beet root to prepare a m
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Reports on the topic "Gram-Negative Pathogen"

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Coplin, David L., Shulamit Manulis, and Isaac Barash. roles Hrp-dependent effector proteins and hrp gene regulation as determinants of virulence and host-specificity in Erwinia stewartii and E. herbicola pvs. gypsophilae and betae. United States Department of Agriculture, 2005. http://dx.doi.org/10.32747/2005.7587216.bard.

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Gram-negative plant pathogenic bacteria employ specialized type-III secretion systems (TTSS) to deliver an arsenal of pathogenicity proteins directly into host cells. These secretion systems are encoded by hrp genes (for hypersensitive response and pathogenicity) and the effector proteins by so-called dsp or avr genes. The functions of effectors are to enable bacterial multiplication by damaging host cells and/or by blocking host defenses. We characterized essential hrp gene clusters in the Stewart's Wilt of maize pathogen, Pantoea stewartii subsp. stewartii (Pnss; formerly Erwinia stewartii)
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Rahimipour, Shai, and David Donovan. Renewable, long-term, antimicrobial surface treatments through dopamine-mediated binding of peptidoglycan hydrolases. United States Department of Agriculture, 2012. http://dx.doi.org/10.32747/2012.7597930.bard.

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There is a need for renewable antimicrobial surface treatments that are semi- permanent, can eradicate both biofilms and planktonic pathogens over long periods of time and that do not select for resistant strains. This proposal describes a dopamine binding technology that is inexpensive, bio-friendly, non-toxic, and uses straight-forward commercially available products. The antimicrobial agents are peptidoglycanhydrolase enzymes that are non-toxic and highly refractory to resistance development. The goal of this project is to create a treatment that will be applicable to a wide variety of surf
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Finn, J., F. Lightstone, and K. W. Turteltaub. Novel Agents for Gram-Negative Biodefense Pathogens Final Report CRADA No. TC02128.0. Office of Scientific and Technical Information (OSTI), 2018. http://dx.doi.org/10.2172/1424632.

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Lightstone, Felice. Novel Agents for Gram-Negative Biodefense Pathogens Final Report CRADA No. TC02128.0. Office of Scientific and Technical Information (OSTI), 2013. http://dx.doi.org/10.2172/1084458.

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Splitter, Gary A., Menachem Banai, and Jerome S. Harms. Brucella second messenger coordinates stages of infection. United States Department of Agriculture, 2011. http://dx.doi.org/10.32747/2011.7699864.bard.

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Aim 1: To determine levels of this second messenger in: a) B. melitensiscyclic-dimericguanosinemonophosphate-regulating mutants (BMEI1448, BMEI1453, and BMEI1520), and b) B. melitensis16M (wild type) and mutant infections of macrophages and immune competent mice. (US lab primary) Aim 2: To determine proteomic differences between Brucelladeletion mutants BMEI1453 (high cyclic-dimericguanosinemonophosphate, chronic persistent state) and BMEI1520 (low cyclicdimericguanosinemonophosphate, acute virulent state) compared to wild type B. melitensisto identify the role of this second messenger in esta
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Sessa, Guido, and Gregory Martin. A functional genomics approach to dissect resistance of tomato to bacterial spot disease. United States Department of Agriculture, 2004. http://dx.doi.org/10.32747/2004.7695876.bard.

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The research problem. Bacterial spot disease in tomato is of great economic importance worldwide and it is particularly severe in warm and moist areas affecting yield and quality of tomato fruits. Causal agent of spot disease is the Gram-negative bacterium Xanthomonas campestris pv. vesicatoria (Xcv), which can be a contaminant on tomato seeds, or survive in plant debris and in association with certain weeds. Despite the economic significance of spot disease, plant protection against Xcvby cultural practices and chemical control have so far proven unsuccessful. In addition, breeding for resist
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Burdman, S., E. Welbaum, R. Walcott, and B. Zhao. erial fruit blotch, elucidating the mechanisms of fruit infection by Acidovorax citrulli. United States-Israel Binational Agricultural Research and Development Fund, 2020. http://dx.doi.org/10.32747/2020.8134162.bard.

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Bacterial fruit blotch (BFB) of cucurbits is caused by the Gram-negative bacterium Acidovorax citrulli. BFB affects cucurbit production worldwide, and mainly watermelon and melon. Most A. citrulli strains are divided into two genetically differentiated groups: while group I strains have been mainly associated with melon and other non-watermelon cucurbits, group II strains are more aggressive on watermelon. Like many Gram-negative plant-pathogenic bacteria, A. citrulli relies on a functional type III secretion system (T3SS) for pathogenicity. The T3SS is responsible for direct secretion of bact
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Yedidia, I., H. Senderowitz, and A. O. Charkowski. Small molecule cocktails designed to impair virulence targets in soft rot Erwinias. United States-Israel Binational Agricultural Research and Development Fund, 2020. http://dx.doi.org/10.32747/2020.8134165.bard.

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Chemical signaling between beneficial or pathogenic bacteria and plants is a central factor in determining the outcome of plant-microbe interactions. Pectobacterium and Dickeya (soft rot Erwinias) are the major cause of soft rot, stem rot, and blackleg formed on potato and ornamentals, currently with no effective control. Our major aim was to establish and study specific bacterial genes/proteins as targets for anti-virulence compounds, by combining drug design tools and bioinformatics with experimental work. The approach allowed us to identify and test compounds (small molecules) that specific
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Splitter, Gary, and Menachem Banai. Microarray Analysis of Brucella melitensis Pathogenesis. United States Department of Agriculture, 2006. http://dx.doi.org/10.32747/2006.7709884.bard.

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Original Objectives 1. To determine the Brucella genes that lead to chronic macrophage infection. 2. To identify Brucella genes that contribute to infection. 3. To confirm the importance of Brucella genes in macrophages and placental cells by mutational analysis. Background Brucella spp. is a Gram-negative facultative intracellular bacterium that infects ruminants causing abortion or birth of severely debilitated animals. Brucellosis continues in Israel, caused by B. melitensis despite an intensive eradication campaign. Problems with the Rev1 vaccine emphasize the need for a greater understand
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Chefetz, Benny, Baoshan Xing, Leor Eshed-Williams, Tamara Polubesova, and Jason Unrine. DOM affected behavior of manufactured nanoparticles in soil-plant system. United States Department of Agriculture, 2016. http://dx.doi.org/10.32747/2016.7604286.bard.

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The overall goal of this project was to elucidate the role of dissolved organic matter (DOM) in soil retention, bioavailability and plant uptake of silver and cerium oxide NPs. The environmental risks of manufactured nanoparticles (NPs) are attracting increasing attention from both industrial and scientific communities. These NPs have shown to be taken-up, translocated and bio- accumulated in plant edible parts. However, very little is known about the behavior of NPs in soil-plant system as affected by dissolved organic matter (DOM). Thus DOM effect on NPs behavior is critical to assessing the
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