Article
Microbiology
Melissa J. Karau, Suzannah M. Schmidt-Malan, Scott A. Cunningham, Jayawant N. Mandrekar, Bobbi S. Pritt, Tiffany R. Keepers, Alisa W. Serio, Surya Chitra, Robin Patel
Summary: Omadacycline, vancomycin, and rifampin, as well as rifampin combination therapies, were evaluated in an experimental rat model of MRSA osteomyelitis. The results showed that rifampin combination therapy was effective in reducing MRSA recovery without developing resistance. The combination of omadacycline and rifampin yielded negative MRSA detection, suggesting its potential as a treatment for osteomyelitis.
ANTIMICROBIAL AGENTS AND CHEMOTHERAPY
(2022)
Article
Microbiology
Monika Kumaraswamy, Kamilla Wiull, Bishnu Joshi, George Sakoulas, Armin Kousha, Gustav Vaaje-Kolstad, Mona Johannessen, Kristin Hegstad, Victor Nizet, Fatemeh Askarian
Summary: This study revealed that MRSA-derived MVs are capable of reducing the pathogen's susceptibility to VAN, thereby increasing its resistance to treatment, particularly in interactions with human neutrophils. Additionally, the elevated expression of proteins associated with antibiotic resistance in MVs may further impact MRSA's resistance.
Article
Pharmacology & Pharmacy
Kushal Vanamala, Ketki Bhise, Hiram Sanchez, Razieh Kebriaei, Duy Luong, Samaresh Sau, Hosam Abdelhady, Michael J. Rybak, David Andes, Arun K. Iyer
Summary: This study aims to improve the efficacy of VAN treatment by identifying the folate receptor for MRSA infected tissues and developing folate decorated lipid nanoparticles containing VAN (LVAN). In comparison to conventional VAN, LVAN showed a higher bactericidal effect and a superior ability to inhibit biofilm in MRSA with an enhanced accumulation in MRSA infected thigh tissues and a reduced accumulation in kidney. The results suggested that LVAN is a promising candidate to overcome the current limitations of bacterial resistance and adverse side effects in kidneys found in VAN.
Article
Infectious Diseases
Cheng-En Tsai, Chia-Jui Yang, Yu-Chung Chuang, Jann-Tay Wang, Wang-Huei Sheng, Yee-Chun Chen, Shan-Chwen Chang
Summary: This study aimed to determine the synergistic effects of combining CPT with DAP, VAN, or LNZ against different MRSA strains. The results showed that the CPT-DAP combination exhibited significant synergistic bactericidal effects, while the CPT-VAN and CPT-LNZ combinations did not show synergistic activity. Therefore, DAP may be a better choice for combination therapy with CPT in the treatment of MRSA infections.
INTERNATIONAL JOURNAL OF INFECTIOUS DISEASES
(2022)
Article
Infectious Diseases
Jin Liang, Yuanfang Hu, Mingxia Fu, Na Li, Fengxia Wang, Xiaojun Yu, Bing Ji
Summary: The study investigated the molecular epidemiology of Staphylococcus aureus (S. aureus) in patients from the Yellow River Delta region and examined antibiotic resistance profiles in different genetic backgrounds. Antibiotic susceptibility testing, spa typing, and agr typing were conducted on all 204 strains. The results identified 39 MRSA strains and 22 hVISA isolates. The majority of MRSA isolates belonged to agrI and were associated with type IV SCCmec. The most common genotypes among MRSA population were ST59-t437-agrI-IVa and ST72-t2431-agrI-IVF. The study highlights the genetic diversity and drug resistance patterns among MSSA strains exhibiting phenotypic hVISA.
INFECTION AND DRUG RESISTANCE
(2023)
Article
Cell Biology
Zhimin Bai, Min Chen, Qiaofa Lin, Ying Ye, Hongmei Fan, Kaizhen Wen, Jianxing Zeng, Donghong Huang, Wenfei Mo, Ying Lei, Zhijun Liao
Summary: By extracting feature vectors from protein sequences and using classification tools, MRSA and MSSA were successfully distinguished. MRSA showed high resistance to penicillin and high pathogenic risk. Cross-infection between different types of MRSA was found in Quanzhou, and MRSA in traditional hospitals exhibited increasingly blurred molecular characteristics.
FRONTIERS IN CELL AND DEVELOPMENTAL BIOLOGY
(2021)
Article
Biotechnology & Applied Microbiology
Rong Huang, Guang-Qing Cai, Jian Li, Xi-Sheng Li, Hai-Ting Liu, Xue-Ling Shang, Jian-Dang Zhou, Xin-Min Nie, Rong Gui
Summary: A novel nano-drug delivery system, PLT@Ag-MOF-Vanc, was constructed for the treatment of MRSA infections, showing good antibacterial activity, biocompatibility, and targeting capabilities. It killed MRSA through multiple approaches and demonstrated superior anti-infective effects in a mouse MRSA pneumonia model compared to free vancomycin.
JOURNAL OF NANOBIOTECHNOLOGY
(2021)
Article
Public, Environmental & Occupational Health
Ahosanul H. Shahid, K. H. M. Nazmul Hussain Nazir, Mohamed E. El Zowalaty, Ajran Kabir, Shahjahan A. Sarker, Mahbubul P. Siddique, Hossam M. Ashour
Summary: The study investigated the presence of Staphylococcus aureus in food processing environments in Mymensingh city, Bangladesh, revealing a certain percentage of isolates resistant to antibiotics. Some isolates were found to be resistant to methicillin and vancomycin, posing a threat to public health.
Article
Food Science & Technology
Martina Florianova, Kristyna Korena, Helena Juricova
Summary: This study evaluated the prevalence of Staphylococcus aureus in dry-fermented salami and found multidrug-resistant and virulent strains. The source of contamination was identified as raw pork and human carriers. Therefore, maintaining high standards of hygiene and manufacturing practices in food processing is crucial.
LWT-FOOD SCIENCE AND TECHNOLOGY
(2022)
Review
Infectious Diseases
Martyna Kasela, Mateusz Ossowski, Ewelina Dzikon, Katarzyna Ignatiuk, Lukasz Wlazlo, Anna Malm
Summary: Methicillin-resistant Staphylococcus aureus (MRSA) is a significant cause of infectious diseases in humans and animals, resulting in economic losses in human healthcare and the farming sector. The changing epidemiology of MRSA globally affects animal welfare and public health concerns. Livestock have high rates of MRSA colonization, raising questions about reservoirs and transmission, while companion animals vary in MRSA colonization and infection rates, impacting human health. This article highlights the circulation of animal-associated MRSA (AA-MRSA) in the environment and factors influencing its transmission, as well as successful strategies to limit its spread among animals and humans.
Article
Pathology
Jill Parkes-smith, Haakon Bergh, Patrick N. A. Harris
Summary: Staphylococcus aureus bacteraemia has high morbidity and mortality, and timely use of effective antibiotics is crucial. Molecular diagnostics can shorten the time from blood culture positivity to identification of MRSA or MSSA.
Article
Immunology
Yifei Lu, Yingran Wang, Jing Wang, Yan Zhao, Qiu Zhong, Gang Li, Zhifeng Fu, Shuguang Lu
Summary: Endolysin LysP108 demonstrates promising antibacterial potential as it can lyse bacterial cell walls, inhibit bacterial biofilms, and work synergistically with vancomycin to reduce abscess size in MRSA-infected mice. The results indicate strong bactericidal effects against MRSA and the ability to significantly reduce subcutaneous abscess size when used in combination with vancomycin.
FRONTIERS IN CELLULAR AND INFECTION MICROBIOLOGY
(2021)
Article
Microbiology
Robby Markwart, Niklas Willrich, Tim Eckmanns, Guido Werner, Olaniyi Ayobami
Summary: The study found that resistance to linezolid and daptomycin in VREF and MRSA between 2014 and 2018 was relatively low, indicating the continued effectiveness of these last-resort antibiotics in Europe. However, efforts to monitor and contain antimicrobial resistance should be strengthened at regional and national levels.
FRONTIERS IN MICROBIOLOGY
(2021)
Article
Pharmacology & Pharmacy
Nur Najihah Izzati Mat Rani, Xiang Yi Chen, Zahraa M. Al-Zubaidi, Hanisah Azhari, Tzar Mohd Nizam Khaitir, Pei Yuen Ng, Fhataheya Buang, Geok Chin Tan, Yin Ping Wong, Mazlina Mohd Said, Adeel Masood Butt, Azmy A. Hamid, Mohd Cairul Iqbal Mohd Amin
Summary: This study focused on the encapsulation of vancomycin into liposomes coated with a red blood cell membrane with a targeting ligand, and successfully achieved targeted drug delivery to bacterial cells. The conjugation of the targeting ligand was confirmed through various analyses, and the formulation exhibited controlled drug release. In vitro and in vivo experiments demonstrated the high antibacterial efficacy of the formulation against MRSA, with low toxicity to mammalian cells and human erythrocytes.
ASIAN JOURNAL OF PHARMACEUTICAL SCIENCES
(2022)
Article
Infectious Diseases
Maria Cardells Peris, Alba Martinez, Marina Pascual Ortiz, Chirag C. Sheth, Veronica Veses
Summary: The study found that icariin alone did not have any antimicrobial effect on S. aureus or MRSA clinical isolates. However, when used in combination with amoxycillin-clavulanate or ampicillin, icariin enhanced their antimicrobial effect. This study demonstrates the potential utility of icariin in reducing the spread of antibiotic resistance, but further research is needed to determine the optimal concentration and clinically relevant combinations.
Correction
Microbiology
M. A. Pfaller, H. S. Sader, P. R. Rhomberg, R. K. Flamm
ANTIMICROBIAL AGENTS AND CHEMOTHERAPY
(2018)
Article
Microbiology
Helio S. Sader, Glenn E. Dale, Paul R. Rhomberg, Robert K. Flamm
ANTIMICROBIAL AGENTS AND CHEMOTHERAPY
(2018)
Article
Infectious Diseases
M. A. Pfaller, P. R. Rhomberg, M. D. Huband, R. K. Flamm
DIAGNOSTIC MICROBIOLOGY AND INFECTIOUS DISEASE
(2018)
Article
Infectious Diseases
Michael A. Pfaller, Paul R. Rhomberg, Mariana Castanheira
DIAGNOSTIC MICROBIOLOGY AND INFECTIOUS DISEASE
(2018)
Article
Infectious Diseases
Robert K. Flamm, Paul R. Rhomberg, Amy A. Watters, Kim Sweeney, Evelyn J. Ellis-Grosse, Dee Shortridge
DIAGNOSTIC MICROBIOLOGY AND INFECTIOUS DISEASE
(2019)
Article
Microbiology
Hello S. Sader, Paul R. Rhomberg, Timothy B. Doyle, Robert K. Flamm, Rodrigo E. Mendes
JOURNAL OF CLINICAL MICROBIOLOGY
(2018)
Article
Microbiology
Robert K. Flamm, Paul R. Rhomberg, Jill M. Lindley, Kim Sweeney, E. J. Ellis-Grosse, Dee Shortridge
ANTIMICROBIAL AGENTS AND CHEMOTHERAPY
(2019)
Article
Microbiology
S. J. Ryan Arends, Paul R. Rhomberg, Nicole Cotroneo, Aileen Rubio, Robert K. Flamm, Rodrigo E. Mendes
ANTIMICROBIAL AGENTS AND CHEMOTHERAPY
(2019)
Article
Infectious Diseases
Michael A. Pfaller, Helio S. Sader, Paul R. Rhomberg, Robert K. Flamm, Rodrigo E. Mendes
MICROBIAL DRUG RESISTANCE
(2019)
Article
Immunology
Helio S. Sader, Paul R. Rhomberg, Andrew S. Fuhrmeister, Rodrigo E. Mendes, Robert K. Flamm, Ronald N. Jones
OPEN FORUM INFECTIOUS DISEASES
(2019)
Article
Infectious Diseases
Mariana Castanheira, Lalitagauri M. Deshpande, Shawn A. Messer, Paul R. Rhomberg, Michael A. Pfaller
INTERNATIONAL JOURNAL OF ANTIMICROBIAL AGENTS
(2020)
Article
Microbiology
Rodrigo E. Mendes, Paul R. Rhomberg, Troy Lister, Nicole Cotroneo, Thomas R. Parr, Mariana Castanheira
Summary: The study evaluated the activities of various antibiotics alone and in combination with SPR741 against E. coli and K. pneumoniae isolates, indicating that azithromycin-SPR741 and minocycline-SPR741 had the lowest MIC90 values. Furthermore, fusidic acid-SPR741 showed better inhibition against enzymatic MLS mechanisms.
ANTIMICROBIAL AGENTS AND CHEMOTHERAPY
(2021)
Article
Microbiology
Cecilia G. Carvalhaes, Abby L. Klauer, Paul R. Rhomberg, Michael A. Pfaller, Mariana Castanheira
Summary: Rezafungin is a new echinocandin with potent activity against candidemia and invasive candidiasis. It also shows activity against Aspergillus isolates. The new CLSI breakpoints are important for understanding the susceptibility of Candida spp. and rezafungin.
JOURNAL OF CLINICAL MICROBIOLOGY
(2022)
Article
Infectious Diseases
Michael A. Pfaller, Cecilia G. Carvalhaes, Sean DeVries, Paul R. Rhomberg, Mariana Castanheira
Summary: This study analyzed the prevalence and susceptibility of invasive fungal isolates collected from 48 hospitals worldwide during the years 2018, 2019, and 2020. The findings showed that the COVID-19 pandemic had an impact on the occurrence and susceptibility rates of common fungal species.
Article
Immunology
Cecilia Godoy Carvalhaes, Helio Silva Sader, Paul Richard Rhomberg, Mariana Castanheira, Sean DeVries, Rodrigo Elisandro Mendes
Summary: This study assessed the activity of tedizolid and comparator agents against clinical surveillance isolates collected from pediatric patients with skin and skin structure infection in the United States. The results showed that tedizolid had high inhibitory activity against Staphylococcus aureus and MRSA isolates, and other antibiotics also displayed high susceptibility in different age groups and methicillin resistance profiles.
PEDIATRIC INFECTIOUS DISEASE JOURNAL
(2022)
Article
Infectious Diseases
Syed Iqbal Haider, Naeem Akhtar, Muhammad Saleem, Sheraz Ahmed, Shiza Nadeem, Maham Amjad, Faiz Ul Haq
Summary: This study aimed to compare the diagnostic potential of Raman spectroscopy with rapid urease test and histopathology in diagnosing H. pylori infection. The results showed that Raman spectroscopy had higher sensitivity, accuracy, and specificity compared to the rapid urease test and histopathology. This study demonstrates the applicability of Raman spectroscopy as an innovative detection tool for molecular diagnosis of H. pylori infection in gastritis.
DIAGNOSTIC MICROBIOLOGY AND INFECTIOUS DISEASE
(2024)
Editorial Material
Infectious Diseases
Arati Mane, Reshu Agarwal, Meenu Bajpai, Suvarna Sane, Pallavi Vidhate, Partha Rakshit, Preeti Madan, Hema Gogia, Priya Abraham, Sandhya Kabra, Ekta Gupta
Summary: The present study aimed to determine the diagnostic performance of dried blood spot (DBS) for HBsAg and anti-HCV detection using CLIA in three different laboratories across India. DBS can be a simple and convenient alternative to plasma or serum for HBsAg detection, but site-specific validation of the assay is necessary for anti-HCV detection.
DIAGNOSTIC MICROBIOLOGY AND INFECTIOUS DISEASE
(2024)
Article
Infectious Diseases
Somayeh Yazdanpanah, Maryam Rahbarmah, Marjan Motamedi, Hossein Khodadadi
Summary: This study compared the clinical characteristics of Fungitell and Dynamiker Fungus assays for diagnosing candidemia. The results showed that the DFA assay performed excellently, with high consistency with the FA assay and superior diagnostic performance.
DIAGNOSTIC MICROBIOLOGY AND INFECTIOUS DISEASE
(2024)
Article
Infectious Diseases
Or Kriger, Natasha Belausov, Shiraz Gefen-Halevi, Nadezda Savieva, Sharon Amit
Summary: This study demonstrates that the usage of preservative-containing urine tubes may inhibit pathogens in low-volume pediatric urine samples, resulting in false-negative results. We advocate for large-scale validations by regulators to ensure result consistency.
DIAGNOSTIC MICROBIOLOGY AND INFECTIOUS DISEASE
(2024)
Article
Infectious Diseases
Merve Zerey Albayrak, Sureyya Gul Yurtsever, Bilal Olcay Peker, Tuba Muderris, Selcuk Kaya
Summary: This study evaluated the antibody and T cell responses of homologous and heterologous booster doses for SARS-CoV-2 vaccines. The results showed that individuals who received heterologous boosters had higher antibody levels and higher levels of IFN-gamma, IL-2, and IL-13.
DIAGNOSTIC MICROBIOLOGY AND INFECTIOUS DISEASE
(2024)
Article
Infectious Diseases
Sibra R. M. Shihab, Bushran N. Iqbal, Shiyamalee Arunasalam, Faseeha Noordeen
Summary: This study investigated the effect of sample-based RNA quality on COVID-19 real-time RT-PCR results. The purity of the extracts and concentration of RNA were found to impact test interpretations. The presence of impurities led to inconclusive test results.
DIAGNOSTIC MICROBIOLOGY AND INFECTIOUS DISEASE
(2024)
Article
Infectious Diseases
Ellen Vancutsem, Florence Crombe, Oriane Soetens, Magali Wautier, Corinna Dordelmann, Denis Pierard, Ingrid Wybo, Thomas Demuyser
Summary: Quantification of EBV DNA is crucial in transplantation settings for post-transplantation diagnosis. This study evaluated the performance of the AltoStar (R) EBV PCR Kit 1.5 on whole blood samples and found it to be reliable and accurate, with good sensitivity and linear range for EBV viral load determination.
DIAGNOSTIC MICROBIOLOGY AND INFECTIOUS DISEASE
(2024)
Article
Infectious Diseases
Nouf K. Almaghlouth, Panagiotis Arvanitis, Kendra Vieira, Abby London, Dimitrios Farmakiotis
Summary: This study evaluated the performance of the Viracor CMV-T-cell immunity Panel (TCIP) in predicting CMV events. The results showed that CMV-specific CD4+ and CD8(+)T-cells were significantly lower in those with CMV events, and the TCIP could be a useful adjunct tool in individualized management of CMV infection.
DIAGNOSTIC MICROBIOLOGY AND INFECTIOUS DISEASE
(2024)
Article
Infectious Diseases
Linzhen Zhu, Haoting Zhang, Haibo Gu, Jianying Zhou
Summary: This case report describes a 70-year-old male patient with previously unknown immunodeficiency. Multiple pulmonary nodular shadows were observed on radiography. Fungal infection was detected in various samples, and the patient was ultimately diagnosed with disseminated Talaromyces marneffei infection and B-cell non-Hodgkin's lymphoma. The main significance of this study is to emphasize the importance for clinicians to obtain comprehensive specimens from patients presenting with multiple masses in order to ensure accurate clinical diagnosis.
DIAGNOSTIC MICROBIOLOGY AND INFECTIOUS DISEASE
(2024)
Article
Infectious Diseases
Ming Chang, Sambasivan Venkatasubramanian, Holly Barrett, Kevin B. Urdahl, Kris M. Weigel, Gerard A. Cangelosi, Javeed A. Shah, Aparajita Saha, Libing Feng, Kristin N. Adams, David R. Sherman, Nahum Smith, Chetan Seshadri, Sean C. Murphy, James G. Kublin
Summary: Efforts are being made globally to develop vaccines and drugs against M. tuberculosis. This study developed a real-time RT-PCR assay to detect pre-rRNA as a biomarker for bacterial viability. The assay showed promising results in mouse models, indicating its potential in future clinical studies for tuberculosis drugs and vaccines.
DIAGNOSTIC MICROBIOLOGY AND INFECTIOUS DISEASE
(2024)
Letter
Infectious Diseases
Temi Lampejo, Fadia Alsheikh, Declan Crilly, Martin Brown
DIAGNOSTIC MICROBIOLOGY AND INFECTIOUS DISEASE
(2024)
Review
Infectious Diseases
Yao Li, Pengfei Shi, Rong Zhu
Summary: This study successfully diagnosed a case of lung abscess caused by Porphyromonas endodontalis using mNGS technology, highlighting the importance of considering inhalation diseases caused by oral pathogens in patients with periodontal diseases and respiratory symptoms.
DIAGNOSTIC MICROBIOLOGY AND INFECTIOUS DISEASE
(2024)
Article
Infectious Diseases
Mariana Quaresma de Souza, Dienefer Venske Bierhals, Ana Julia Reis, Erica Chimara, Julia Silveira Vianna, Andrea von Groll, Pedro Almeida da Silva, Ivy Bastos Ramis
Summary: This study proposed and evaluated a drug susceptibility testing method using 2,3,5-triphenyl tetrazolium chloride (TTC) as a colorimetric indicator for the clinical relevant non-tuberculous mycobacteria (Mycobacterium abscessus complex (MABC), M. avium complex (MAC), and M. kansasii). The results showed high agreement between TTC assay and the recommended broth microdilution method, indicating the potential of TTC as a promising indicator in drug susceptibility testing for NTM.
DIAGNOSTIC MICROBIOLOGY AND INFECTIOUS DISEASE
(2024)
Review
Infectious Diseases
Shanshan Zhang, Mingyuan Duan, Shuang Li, Jie Hou, Ting Qin, Zhanwei Teng, Jianhe Hu, Huihui Zhang, Xiaojing Xia
Summary: Rapid detection of pathogenic microorganisms is crucial for epidemiologic identification, prevention, and control in public health. PCR-based methods have limitations in resource-limited areas due to the need for precise temperature control. Recombinase polymerase amplification (RPA) is a new nucleic acid amplification technology that can amplify DNA or RNA at a constant temperature, offering simplicity, high specificity and sensitivity, and short detection time. Microfluidic technology combined with RPA enables rapid detection of pathogenic microorganisms by integrating nucleic acid extraction, amplification, and detection.
DIAGNOSTIC MICROBIOLOGY AND INFECTIOUS DISEASE
(2024)
Review
Infectious Diseases
Piyush Agrawal, Aditya Upadhyay, Awanish Kumar
Summary: Tuberculosis is a lethal infectious disease caused by Mycobacterium tuberculosis. During infection, the expression of host microRNAs changes, which could be potential biomarkers for early detection of tuberculosis. Further research is needed to identify potential microRNA biomarkers, but momentum is gaining in this field and microRNAs are expected to become routine approaches for reliable diagnosis and specific therapeutic interventions.
DIAGNOSTIC MICROBIOLOGY AND INFECTIOUS DISEASE
(2024)