Future microbiologyPub Date : 2024-03-01Epub Date: 2024-03-12DOI: 10.2217/fmb-2022-0265
Heike Ef Becker, Nader Kameli, Alice Rustichelli, Britt Am Heijnens, Frank Rm Stassen, John Penders, Daisy Mae Jonkers
{"title":"<i>In vitro</i> mucin degradation and paracellular permeability by fecal water from Crohn's disease patients.","authors":"Heike Ef Becker, Nader Kameli, Alice Rustichelli, Britt Am Heijnens, Frank Rm Stassen, John Penders, Daisy Mae Jonkers","doi":"10.2217/fmb-2022-0265","DOIUrl":"10.2217/fmb-2022-0265","url":null,"abstract":"<p><p><b>Aim:</b> This study aimed to examine the impact of fecal water (FW) of active and remissive Crohn's disease (CD) patients on mucin degradation and epithelial barrier function. <b>Methods:</b> FW and bacterial membrane vesicles (MVs) were isolated from fresh fecal samples of six healthy controls (HCs) and 12 CD patients. Bacterial composition was determined by 16S rRNA gene amplicon sequencing. <b>Results:</b> <i>In vitro</i> FW-induced mucin degradation was higher in CD samples versus HC (p < 0.01), but not associated with specific bacterial genera. FW of three remissive samples decreased transepithelial electrical resistance in Caco-2 cells by 78-87% (p < 0.001). MVs did not induce barrier alterations. <b>Conclusion:</b> The higher mucin-degradation capacity of CD-derived FW might suggest contributions of microbial products to CD pathophysiology.</p>","PeriodicalId":12773,"journal":{"name":"Future microbiology","volume":" ","pages":"335-347"},"PeriodicalIF":3.1,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140101441","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Prevalence of linezolid resistance in <i>Streptococcus pneumoniae</i> isolates: a systematic review and meta-analysis.","authors":"Mohsen Heidary, Shirin Dashtbin, Arezoo Asadi, Parisa Asadollahi, Ali Khatib, Mohammad Amin Ebrahimi, Zahra Ghanbari, Atieh Darbandi, Roya Ghanavati, Reza Pakzad","doi":"10.2217/fmb-2023-0170","DOIUrl":"10.2217/fmb-2023-0170","url":null,"abstract":"<p><p><b>Aim:</b> This study aimed to understand the current level of linezolid (LNZ) resistance in <i>Streptococcus pneumoniae</i> isolates reported over the past 10 years. <b>Material & methods:</b> An electronic search was conducted for the following keywords: ((<i>Streptococcus pneumoniae</i> [title/abstract]) OR (<i>Pneumococcus</i> [title/abstract]) OR (Pneumococci [title/abstract]) AND (linezolid [title/abstract]) OR (Zyvox [title/abstract])) OR (Zyvoxid [title/abstract])). <b>Result:</b> Out of all the studies, 80 had a cross-sectional design, while 11 followed a cohort approach. The prevalence of LNZ resistance among <i>S. pneumoniae</i> isolates ranged from 0% to 4.86%. <b>Discussion:</b> Urgent, high-powered, randomized, controlled trials with participants from endemic regions are needed to gain a comprehensive understanding of the impact on and significance of LNZ treatment to patients.</p>","PeriodicalId":12773,"journal":{"name":"Future microbiology","volume":" ","pages":"449-459"},"PeriodicalIF":2.5,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140143132","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Future microbiologyPub Date : 2024-03-01Epub Date: 2024-02-15DOI: 10.2217/fmb-2023-0029
Xian Wu, Liying Sun, Lei Huang, Chenwei Huang, Kuixia Sun, Haixia Li
{"title":"Proteomic alterations associated with the formation of monocyte extracellular trap induced by <i>Candida albicans</i> hyphae.","authors":"Xian Wu, Liying Sun, Lei Huang, Chenwei Huang, Kuixia Sun, Haixia Li","doi":"10.2217/fmb-2023-0029","DOIUrl":"10.2217/fmb-2023-0029","url":null,"abstract":"<p><p><b>Background:</b> The interaction between the host and <i>Candida albicans</i> is dynamic and intricate. We performed proteomic analysis to explore monocyte<i>-C. albicans</i> hyphae interaction. <b>Materials & methods:</b> Primary human monocytes were stimulated by heat-killed <i>C. albicans</i> hyphae and their proteins were profiled by tandem liquid chromatography with mass spectrometry (LC-MS/MS). <b>Results:</b> Based on the protein database of different species for analysis, we found that stimulation of monocytes by hyphae was accompanied by upregulation of histones and activation of extracellular traps (ETs) formation pathway. Meanwhile, monocyte ETs (MoETs) were evoked by synthesis or alteration of <i>C. albicans</i> cell wall proteins expression during the morphological switch to hyphal. <b>Conclusion:</b> MoETs formation is linked to cell wall proteins of <i>C. albicans</i> hyphae.</p>","PeriodicalId":12773,"journal":{"name":"Future microbiology","volume":" ","pages":"307-316"},"PeriodicalIF":3.1,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139734946","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Future microbiologyPub Date : 2024-03-01Epub Date: 2024-02-02DOI: 10.2217/fmb-2023-0138
Taher Azimi, Sina Nasrollahian, Sahar Sabour, Nahal Hadi, Leila Azimi, Fatemeh Fallah, Mohammed Reza Pourmand
{"title":"Detection of <i>Yersinia enterocolitica</i>, <i>Shigella</i> spp. and <i>Salmonella</i> spp. in <i>Rattus norvegicus</i> captured from Tehran, Iran.","authors":"Taher Azimi, Sina Nasrollahian, Sahar Sabour, Nahal Hadi, Leila Azimi, Fatemeh Fallah, Mohammed Reza Pourmand","doi":"10.2217/fmb-2023-0138","DOIUrl":"10.2217/fmb-2023-0138","url":null,"abstract":"<p><p><b>Background:</b> The present study aims to determine the presence of <i>Yersinia</i> spp., <i>Yersinia pestis</i>, <i>Yersinia enterocolitica</i> pathogen, <i>Listeria monocytogenes</i>, <i>Salmonella</i> spp., <i>Shigella</i> spp., <i>Francisella tularensis</i> and <i>Borrelia</i> spp. in brown rats of Tehran, Iran. <b>Methods:</b> PCR was used to detect various bacteria in 100 brown rats, Also, ELISA was used to detect antibodies against the <i>F. tularensis</i> and <i>Borrelia</i> spp. <b>Results:</b> A total of 16% and 13% of fecal samples were positive for <i>Yersinia</i> spp. and <i>Y. enterocolitica</i> pathogen. ELISA results were negative for <i>F. tularensis</i> and <i>Borrelia</i>. No specific antibodies (IgG) were against these bacteria. <b>Conclusion:</b> According to the results of our analysis, rats are significant transmitters and carriers of a variety of illnesses that can spread to both people and other animals.</p>","PeriodicalId":12773,"journal":{"name":"Future microbiology","volume":" ","pages":"377-384"},"PeriodicalIF":3.1,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139671629","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Future microbiologyPub Date : 2024-03-01Epub Date: 2024-02-21DOI: 10.2217/fmb-2023-0212
Rafael M Gandra, Clarissa A Pacheco, Leandro S Sangenito, Lívia S Ramos, Lucieri Op Souza, Pauraic McCarron, Malachy McCann, Michael Devereux, Marta H Branquinha, André Ls Santos
{"title":"Manganese(II), copper(II) and silver(I) complexes containing 1,10-phenanthroline/1,10-phenanthroline-5,6-dione against <i>Candida</i> species.","authors":"Rafael M Gandra, Clarissa A Pacheco, Leandro S Sangenito, Lívia S Ramos, Lucieri Op Souza, Pauraic McCarron, Malachy McCann, Michael Devereux, Marta H Branquinha, André Ls Santos","doi":"10.2217/fmb-2023-0212","DOIUrl":"10.2217/fmb-2023-0212","url":null,"abstract":"<p><p><b>Background:</b> New chemotherapeutics are urgently required to treat <i>Candida</i> infections caused by drug-resistant strains. <b>Methods:</b> The effects of 16 1,10-phenanthroline (phen)/1,10-phenanthroline-5,6-dione/dicarboxylate complexed with Mn(II), Cu(II) and Ag(I) were evaluated against ten different <i>Candida</i> species. <b>Results:</b> Proliferation of <i>Candida albicans</i>, <i>Candida dubliniensis</i>, <i>Candida famata</i>, <i>Candida glabrata</i>, <i>Candida guilliermondii</i>, <i>Candida kefyr</i>, <i>Candida krusei</i>, <i>Candida lusitaniae</i>, <i>Candida parapsilosis</i> and <i>Candida tropicalis</i> was inhibited by three of six Cu(II) (MICs 1.52-21.55 μM), three of three Ag(I) (MICs 0.11-12.74 μM) and seven of seven Mn(II) (MICs 0.40-38.06 μM) complexes. Among these [Mn<sub>2</sub>(oda)(phen)<sub>4</sub>(H<sub>2</sub>O)<sub>2</sub>][Mn<sub>2</sub>(oda)(phen)<sub>4</sub>(oda)<sub>2</sub>].4H<sub>2</sub>O, where oda = octanedioic acid, exhibited effective growth inhibition (MICs 0.4-3.25 μM), favorable activity indexes, low toxicity against Vero cells and good/excellent selectivity indexes (46.88-375). <b>Conclusion:</b> [Mn<sub>2</sub>(oda)(phen)<sub>4</sub>(H<sub>2</sub>O)<sub>2</sub>][Mn<sub>2</sub>(oda)(phen)<sub>4</sub>(oda)<sub>2</sub>].4H<sub>2</sub>O represents a promising chemotherapeutic option for emerging, medically relevant and drug-resistant <i>Candida</i> species.</p>","PeriodicalId":12773,"journal":{"name":"Future microbiology","volume":" ","pages":"385-395"},"PeriodicalIF":3.1,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139912423","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Future microbiologyPub Date : 2024-03-01Epub Date: 2024-02-27DOI: 10.2217/fmb-2023-0151
Liqiong Ding
{"title":"Role of PD-1 and immune cells in HSV infection and latency.","authors":"Liqiong Ding","doi":"10.2217/fmb-2023-0151","DOIUrl":"10.2217/fmb-2023-0151","url":null,"abstract":"<p><p>A large proportion of the world's population is infected with HSV-1. Antiviral CD8<sup>+</sup> T cells and CD8α<sup>+</sup> dendritic cells are closely related to HSV-1 infection and latency. Latency-associated transcript of HSV-1 and PD-1 are involved in the regulation of latency and reactivation of HSV-1. Here, the role of latency-associated transcript, PD-1, CD8<sup>+</sup> T cells and CD8α<sup>+</sup> dendritic cells in HSV-1 infection, the inter-relationships between them and how these interactions lead to latency are discussed, possibly providing new ideas for the treatment of HSV-1 infection.</p>","PeriodicalId":12773,"journal":{"name":"Future microbiology","volume":" ","pages":"349-354"},"PeriodicalIF":3.1,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139971642","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Future microbiologyPub Date : 2024-02-01Epub Date: 2024-02-02DOI: 10.2217/fmb-2023-0182
Yalcin Dicle, Murat Karamese
{"title":"Biosensors for the detection of pathogenic bacteria: current status and future perspectives.","authors":"Yalcin Dicle, Murat Karamese","doi":"10.2217/fmb-2023-0182","DOIUrl":"10.2217/fmb-2023-0182","url":null,"abstract":"<p><p>Pathogenic microorganisms pose significant threats to human health, food safety and environmental integrity. Rapid and accurate detection of these pathogens is essential to mitigate their impact. Fast, sensitive detection methods such as biosensors also play a critical role in preventing outbreaks and controlling their spread. In recent years, biosensors have emerged as a revolutionary technology for pathogen detection. This review aims to present the current developments in biosensor technology, investigate the methods by which these developments are used in the detection of pathogenic bacteria and highlight future perspectives on the subject.</p>","PeriodicalId":12773,"journal":{"name":"Future microbiology","volume":" ","pages":"281-291"},"PeriodicalIF":3.1,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139671628","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Future microbiologyPub Date : 2024-02-01Epub Date: 2023-12-21DOI: 10.2217/fmb-2023-0080
Kanchan Tiwari, Priya Patel, Aftab H Mondal, Kasturi Mukhopadhyay
{"title":"Interaction with lipopolysaccharide is key to efficacy of tryptophan- and arginine-rich α-melanocyte-stimulating hormone analogs against Gram-negative bacteria.","authors":"Kanchan Tiwari, Priya Patel, Aftab H Mondal, Kasturi Mukhopadhyay","doi":"10.2217/fmb-2023-0080","DOIUrl":"10.2217/fmb-2023-0080","url":null,"abstract":"<p><p><b>Aim:</b> In order to search for novel antibacterial therapeutics against Gram-negative bacteria, the antibacterial efficacies and mechanism of action of tryptophan- and arginine-rich α-melanocyte-stimulating hormone analogs were investigated. <b>Materials & methods:</b> We performed a killing assay to determine their efficacy; fluorescence, microscopic studies were used to understand their mechanism and peptide-lipopolysaccharide interaction. A checkerboard assay was used to find the effective combination of peptide and antibiotics. <b>Results:</b> Ana-peptides displayed good killing activity against <i>Escherichia coli</i>, <i>Klebsiella pneumoniae</i> and <i>Pseudomonas aeruginosa</i>. Their strong interaction with lipopolysaccharide damaged the bacterial membranes and led to their subsequent death. Ana-5, the highest cationic and hydrophobic analog, emerged as the most potent peptide, showing synergistic action with rifampicin and erythromycin. <b>Conclusion:</b> Ana-5 can be presented as an important therapeutic candidate against bacterial infections.</p>","PeriodicalId":12773,"journal":{"name":"Future microbiology","volume":" ","pages":"195-211"},"PeriodicalIF":3.1,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138829298","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Future microbiologyPub Date : 2024-02-01Epub Date: 2023-11-29DOI: 10.2217/fmb-2023-0191
Michael A Pfaller, Cecilia G Carvalhaes, Paul R Rhomberg, Mariana Castanheira
{"title":"Use of isavuconazole antifungal medicine to treat mold infections in Asia and the Western Pacific region: a plain language summary.","authors":"Michael A Pfaller, Cecilia G Carvalhaes, Paul R Rhomberg, Mariana Castanheira","doi":"10.2217/fmb-2023-0191","DOIUrl":"10.2217/fmb-2023-0191","url":null,"abstract":"<p><strong>What is this summary about?: </strong>Molds are types of fungus that can invade humans. It can cause a disease called invasive mold infection (IMI) and make people sick or cause death. This is a summary of a study that looked at mold samples collected from people in Asia and the Western Pacific region to check if an antifungal medicine called isavuconazole (ISC) can stop the growth of or kill these molds.</p><p><strong>What were the results?: </strong>One type of mold known as <i>Aspergillus</i> or type 1 molds, was more common than other molds. Antifungal medicines including ISC, posaconazole, voriconazole, and itraconazole slowed or stopped the growth of the type 1 molds. ISC was very active in slowing or stopping the growth of this mold. Other molds, known as non-<i>Aspergillus</i> or type 2 mold, were less common. The antifungals medicines mentioned above were able to slow or stop the growth of some but not all of the type 2 molds.</p><p><strong>What do the results of the study mean?: </strong>ISC stopped the growth of most type 1 molds and was as good as the other antifungal medicines against type 2 molds.</p><p><strong>What is the purpose of this plain language summary?: </strong>The purpose of this plain language summary is to help you to understand the findings from recent research. The results of this study may differ from those of other studies. Health professionals should make treatment decisions based on all available evidence not on the results of a single study.</p>","PeriodicalId":12773,"journal":{"name":"Future microbiology","volume":" ","pages":"173-180"},"PeriodicalIF":2.5,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138451305","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Future microbiologyPub Date : 2024-02-01Epub Date: 2024-02-02DOI: 10.2217/fmb-2023-0175
Modawy Em Elkhalifa, Muhammad Ashraf, Alshebli Ahmed, Assad Usman, Alashary Ae Hamdoon, Mohammed A Elawad, Meshari G Almalki, Osama F Mosa, Laziz N Niyazov, Muhammad Ayaz
{"title":"Polyphenols and their nanoformulations as potential antibiofilm agents against multidrug-resistant pathogens.","authors":"Modawy Em Elkhalifa, Muhammad Ashraf, Alshebli Ahmed, Assad Usman, Alashary Ae Hamdoon, Mohammed A Elawad, Meshari G Almalki, Osama F Mosa, Laziz N Niyazov, Muhammad Ayaz","doi":"10.2217/fmb-2023-0175","DOIUrl":"10.2217/fmb-2023-0175","url":null,"abstract":"<p><p>The emergence of multidrug-resistant (MDR) pathogens is a major problem in the therapeutic management of infectious diseases. Among the bacterial resistance mechanisms is the development of an enveloped protein and polysaccharide-hydrated matrix called a biofilm. Polyphenolics have demonstrated beneficial antibacterial effects. Phenolic compounds mediate their antibiofilm effects via disruption of the bacterial membrane, deprivation of substrate, protein binding, binding to adhesion complex, viral fusion blockage and interactions with eukaryotic DNA. However, these compounds have limitations of chemical instability, low bioavailability, poor water solubility and short half-lives. Nanoformulations offer a promising solution to overcome these challenges by enhancing their antibacterial potential. This review summarizes the antibiofilm role of polyphenolics, their underlying mechanisms and their potential role as resistance-modifying agents.</p>","PeriodicalId":12773,"journal":{"name":"Future microbiology","volume":" ","pages":"255-279"},"PeriodicalIF":3.1,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139671631","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}