Academic literature on the topic 'Gram-negative diplococcal bacterium'

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Journal articles on the topic "Gram-negative diplococcal bacterium"

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Makino, Herica, Alessandra Tammy Hayakawa Ito De Sousa, Lucas Avelino Dandolini Pavelegini, et al. "Pneumonia in Cats associated with Neisseria sp." Acta Veterinaria 71, no. 2 (2021): 211–18. http://dx.doi.org/10.2478/acve-2021-0018.

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Abstract Neisseria sp. is a Gram-negative diplococcus bacterium usually present on the mucosal surfaces of animals without causing an obvious pathology. The objective of this study was to report the isolation of Neisseria sp. from severe cases of pyogranulomatous pneumonia with the formation of a Splendore-Hoeppli structure in two cats treated at a veterinary hospital. This paper suggests that the Neisseria genus members may be involved in lower respiratory tract infections in cats, with the molecular diagnosis being a necessary method for the correct identification of this bacteria in animals
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Sano, Naoto, Satoshi Matsunaga, Tomonori Akiyama, et al. "Moraxella catarrhalis bacteraemia associated with prosthetic vascular graft infection." Journal of Medical Microbiology 59, no. 2 (2010): 245–50. http://dx.doi.org/10.1099/jmm.0.013789-0.

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Moraxella catarrhalis, formerly called Branhamella catarrhalis, ‘Neisseria catarrhalis’ or ‘Micrococcus catarrhalis’, is a Gram-negative, aerobic diplococcus frequently found as a colonizer of the upper respiratory tract. Over the last 20–30 years, this bacterium has emerged as a genuine pathogen, and is now considered an important cause of otitis media in children and an aetiological agent in pneumonia in adults with chronic obstructive pulmonary disease. However, bacteraemia due to M. catarrhalis has rarely been reported. Presented here is a case of M. catarrhalis bacteraemia associated with
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Káňová, E., I. Jiménez-Munguía, Ľ. Čomor, et al. "The Role of Meningococcal Porin B in Protein-Protein Interactions with Host Cells." Folia Veterinaria 62, no. 1 (2018): 52–58. http://dx.doi.org/10.2478/fv-2018-0008.

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Abstract Neisseria meningitidis is a Gram-negative diplococcus responsible for bacterial meningitis and fatal sepsis. Ligand-receptor interactions are one of the main steps in the development of neuroinvasion. Porin B (PorB), neisserial outer membrane protein (ligand), binds to host receptors and triggers many cell signalling cascades allowing the meningococcus to damage the host cells or induce immune cells responses via the TLR2-dependent mechanisms. In this paper, we present a brief review of the structure and function of PorB.
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Stohl, Elizabeth A., Jonathan D. Lenz, Joseph P. Dillard, and H. Steven Seifert. "The Gonococcal NlpD Protein Facilitates Cell Separation by Activating Peptidoglycan Cleavage by AmiC." Journal of Bacteriology 198, no. 4 (2015): 615–22. http://dx.doi.org/10.1128/jb.00540-15.

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ABSTRACTKey steps in bacterial cell division are the synthesis and subsequent hydrolysis of septal peptidoglycan (PG), which allow efficient separation of daughter cells. Extensive studies in the Gram-negative, rod-shaped bacteriumEscherichia colihave revealed that this hydrolysis is highly regulated spatially and temporally.Neisseria gonorrhoeaeis an obligate Gram-negative, diplococcal pathogen and is the only causative agent of the sexually transmitted infection gonorrhea. We investigated how cell separation proceeds in this diplococcal organism. We demonstrated that deletion of thenlpDgene
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Rowa, Mohammed Assayaghi, Zaid AlShami Huda, Mohammed Othman Arwa, Mohammed Alabsi Aied, and Ahmad Aldokhaini Bassam. "Types of bacteria isolated from Yemeni Currencies in Sana'a City and potential risk factors." World Journal of Advanced Research and Reviews 09, no. 03 (2021): 042–47. https://doi.org/10.5281/zenodo.4660011.

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The main objective of this study was to determine the prevalence of bacterial contaminants on Yemeni paper currency notes and coins and some potential risk factors. This study was carried out on 140 paper currency and coins obtained from bus drivers, supermarket cashers and&nbsp;<em>Qat&nbsp;</em>sellers shops in Sana&#39;a city, Yemen. Swabs were taken from 140 paper currencies and coins and were cultured on Blood and MacConkey agars. Gram stain, biochemical and serological tests were done to identify isolated bacteria. The percentage of different types of bacteria isolated from the currencie
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Nurhasanah, Arba’i Kartini, and Faturrahman Faturrahman. "Komunitas Bakteri pada Saluran Pencernaan Lobster Mutiara (Panulirus ornatus)." JURNAL SAINS TEKNOLOGI & LINGKUNGAN 5, no. 1 (2019): 1. http://dx.doi.org/10.29303/jstl.v5i1.100.

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The presence of microbial communities in the digestive tract affects the physiological functions of digestion. The purpose of this study is to determine the bacterial community in the digestive tract of lobsters, especially pearl lobsters. This research is descriptive explorative. Samples were taken from the lobster digestive tract which was divided into 3, namely the cardiac, pylorus and intestinal sections and each part was counted for the total bacteria using the TPC (Total Plate Count) method. Then isolated from the Sea Water Complex media and partially characterized. The results showed th
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Sholekah, Reeno Al Hikmatus, and Dwi Listyorini. "Genetic Identification of Superbugs from River Streams in State University of Malang." Jurnal Riset Biologi dan Aplikasinya 5, no. 1 (2023): 27–36. http://dx.doi.org/10.26740/jrba.v5n1.p27-36.

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Superbugs revert to bacterial strains, which exhibit resistance to antibiotics. These bacteria could cause some problems in disease treatment and the environment. This research aimed of this study was to identify the presence of superbugs in the river stream that flows through Malang State University campus area. Amoxicillin, tetracycline, and chloramphenicol were selected to test the possible bacterial resistance. Water samples taken from a decided spot were spread over Luria Bertani’s agar on both antibiotic supplemented and antibiotics-free media with no delay. Molecular identification was
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Amin, Umme Salma, Abu Muhammad Shamsu Uddin, Hafizur Rahman, Kaniz Fatema, Nasima Akter, and Mahbub Ara Abbasi. "Genotypic Detection of Bacterial Pathogens from Sputum among Patients with Community Acquired Pneumonia by Multiplex PCR." Bangladesh Journal of Medical Microbiology 19, no. 1 (2025): 10–17. https://doi.org/10.3329/bjmm.v19i1.80335.

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Background: Community-acquired pneumonia (CAP) is an acute respiratory illness responsible for significant morbidity and mortality globally. Objective: The objective of this study was to detect the common causative bacterial agents of CAP and their antimicrobial sensitivity pattern and also to detect the DNA of Streptococcus pneumoniae, Haemophilus influenzae, Mycoplasma pneumoniae, Chlamydia pneumoniae, Legionella pneumophila, Staphylococcus aureus and Moraxella catarrhalis from sputum sample by multiplex real-time PCR. Methodology: This cross-sectional observational study was carried out in
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Prameshwara, Almarissa Ajeng, Vidyadhari Puspa Prawarni, Devi Artami Susetiati, and Titik Nuryastuti. "Ceftriaxone-and-cefixime-resistant Neisseria gonorrhoeae in a 26-year-old-male with gonococcal urethritis: a case report." Journal of Clinical Microbiology and Infectious Diseases 4, no. 2 (2024): 54–57. https://doi.org/10.51559/jcmid.v4i2.68.

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Introduction: Gonorrhoea is the most prevalent sexually transmitted infection (STI) in Indonesia. The increasing resistance of Neisseria gonorrhoeae to antibiotics has prompted the World Health Organization (WHO) to classify gonorrhoea as an urgent public health threat. Reports of resistance to third generation extended-spectrum cephalosporins (ESCs), such as cefixime and ceftriaxone, against N. gonorrhoeae are rare in Indonesia. This study aims to present a case of cefixime and ceftriaxone resistance in a 26-year-old man with gonococcal urethritis. Case Description: A 26-year-old man presente
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Rowa Mohammed Assayaghi, Huda Zaid AlShami, Arwa Mohammed Othman, Aied Mohammed Alabsi, and Bassam Ahmad Aldokhaini. "Types of bacteria isolated from Yemeni Currencies in Sana'a City and potential risk factors." World Journal of Advanced Research and Reviews 9, no. 3 (2021): 042–47. http://dx.doi.org/10.30574/wjarr.2021.9.3.0067.

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The main objective of this study was to determine the prevalence of bacterial contaminants on Yemeni paper currency notes and coins and some potential risk factors. This study was carried out on 140 paper currency and coins obtained from bus drivers, supermarket cashers and Qat sellers shops in Sana'a city, Yemen. Swabs were taken from 140 paper currencies and coins and were cultured on Blood and MacConkey agars. Gram stain, biochemical and serological tests were done to identify isolated bacteria. The percentage of different types of bacteria isolated from the currencies were as follow; Staph
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Dissertations / Theses on the topic "Gram-negative diplococcal bacterium"

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Jennings, Courtney Donaugh. "Porins of Neisseria Meningitidis." Thesis, Griffith University, 2014. http://hdl.handle.net/10072/367598.

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Neisseria meningitidis is a Gram-negative diplococcal bacterium responsible for causing septicaemia and meningococcal disease. It is carried commensally in the nasopharyngeal region by ~10% of the general population. It is unknown why the organism turns virulent and often meningococcal disease strikes those in the < 5 years and 15 - 20 years age groups, although infection can occur at any stage of life. Treatment of infection is with cephalosporins or penicillin, while prophylactic treatment of close contacts is with rifampin. The closest relative of Neisseria meningitid
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Books on the topic "Gram-negative diplococcal bacterium"

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Wood, Martyn, and Marilyn Bradley. Sexually transmitted disease (gonorrhoea). Edited by Patrick Davey and David Sprigings. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780199568741.003.0320.

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Gonorrhoea is the term used to describe the clinical manifestations of infection with the bacterium Neisseria gonorrhoeae. Neisseria gonorrhoeae is a Gram-negative diplococcus which usually infects the columnar epithelium of mucous membranes, including the lower male and female genital tracts, the rectum, the pharynx, and the conjunctivae. Transmission is by direct exposure of a mucous membrane to infected secretions, classically via sexual contact. Those who are most at risk of infection include younger age groups (15–29 years), inner-city residents, ethnic minority groups, and men who have s
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