Multiple Ribosomal RNA Operons in Bacteria; Their Concerted Evolution and Potential Consequences on the Rate of Evolution of Their 16S rRNA.

abstract：:Enterococcus faecalis has controversial status due to its emerging role in nosocomial infections, while some strains with beneficial effects are used as probiotics and starter cultures in dairy industry. These bacteria can be found as resident or transient germs in the gut or on skin, where they are continually expose...

journal_title：Frontiers in microbiology

authors： Cambronel M,Nilly F,Mesguida O,Boukerb AM,Racine PJ,Baccouri O,Borrel V,Martel J,Fécamp F,Knowlton R,Zimmermann K,Domann E,Rodrigues S,Feuilloley M,Connil N

更新日期：2020-07-24 00:00:00

abstract：:Pigs are one of the most important economic livestock. Gut microbiota is not only critical to the health but also the production efficiency of pigs. Manipulating gut microbiota relies on the full view of gut microbiome and the understanding of drive forces shaping microbial communities. 16s rDNA sequencing was used to...

journal_title：Frontiers in microbiology

authors： Zhang L,Wu W,Lee YK,Xie J,Zhang H

更新日期：2018-01-26 00:00:00

abstract：:The present study was carried out to understand the adaptive strategies developed by Stenotrophomonas maltophilia for chronic colonization of the cystic fibrosis (CF) lung. For this purpose, 13 temporally isolated strains from a single CF patient chronically infected over a 10-year period were systematically character...

journal_title：Frontiers in microbiology

authors： Pompilio A,Crocetta V,Ghosh D,Chakrabarti M,Gherardi G,Vitali LA,Fiscarelli E,Di Bonaventura G

更新日期：2016-09-30 00:00:00

abstract：:A viable but non-culturable (VBNC) state of bacteria induced by disinfection in water treatment poses serious health risks because of possible resuscitation of VBNC cells during transportation. In this study, a setup using continuous-flow ultraviolet (UVC) irradiation ranging from 0 to 172.2 mJ cm-2 was designed to si...

journal_title：Frontiers in microbiology

authors： Zhang S,Guo L,Yang K,Zhang Y,Ye C,Chen S,Yu X,Huang WE,Cui L

更新日期：2018-09-25 00:00:00

abstract：:Carbapenem-resistant Acinetobacter baumannii (CRAB) are emerging worldwide. In South America, clinical isolates presenting such a phenotype usually do not belong to the globally distributed international clone 2 (IC2). The majority of these isolates are also resistant to multiple other antimicrobials and are often des...

journal_title：Frontiers in microbiology

authors： Nodari CS,Cayô R,Streling AP,Lei F,Wille J,Almeida MS,de Paula AI,Pignatari ACC,Seifert H,Higgins PG,Gales AC

更新日期：2020-11-30 00:00:00

abstract：:The selection of yeasts intended as starters for table olives is a complex process, including a characterization step at laboratory level and a validation at lab level and factory-scale. The characterization at lab level deals with the assessment of some technological traits (growth under different temperatures and at...

journal_title：Frontiers in microbiology

authors： Bevilacqua A,Corbo MR,Sinigaglia M

更新日期：2012-05-31 00:00:00

abstract：:The Staphylococcus aureus enterotoxins are a superfamily of secreted virulence factors that share structural and functional similarities and possess potent superantigenic activity causing disruptions in adaptive immunity. The enterotoxins can be separated into two groups; the classical (SEA-SEE) and the newer (SEG-SEl...

journal_title：Frontiers in microbiology

authors： Fisher EL,Otto M,Cheung GYC

更新日期：2018-03-13 00:00:00

abstract：:Ubiquitination is a post-translational modification in which one or more ubiquitin molecules are covalently linked to lysine residues of target proteins. The ubiquitin system plays a key role in the regulation of protein degradation, which contributes to cell signaling, vesicular trafficking, apoptosis, and immune reg...

journal_title：Frontiers in microbiology

authors： Ashizawa A,Higashi C,Masuda K,Ohga R,Taira T,Fujimuro M

更新日期：2012-02-23 00:00:00

abstract：:The vertebrate gut teems with a large, diverse, and dynamic bacterial community that has pervasive effects on gut physiology, metabolism, and immunity. Under natural conditions, these microbes share their habitat with a similarly dynamic community of eukaryotes (helminths, protozoa, and fungi), many of which are well-...

journal_title：Frontiers in microbiology

authors： Leung JM,Graham AL,Knowles SCL

更新日期：2018-05-14 00:00:00

abstract：:Estuarine sediments are significant repositories of anthropogenic contaminants, and thus knowledge of the impacts of pollution upon microbial communities in these environments is important to understand potential effects on estuaries as a whole. The Lagos lagoon (Nigeria) is one of Africa's largest estuarine ecosystem...

journal_title：Frontiers in microbiology

authors： Obi CC,Adebusoye SA,Ugoji EO,Ilori MO,Amund OO,Hickey WJ

更新日期：2016-08-05 00:00:00

abstract：:The intestinal microbial composition and metabolic functions under normal physiological conditions in the donkey are crucial for health and production performance. However, compared with other animal species, limited information is currently available regarding the intestinal microbiota of donkeys. In the present stud...

journal_title：Frontiers in microbiology

authors： Zhang R,Zhang J,Dang W,Irwin DM,Wang Z,Zhang S

更新日期：2020-12-04 00:00:00

abstract：:Myocyanophages, a group of viruses infecting cyanobacteria, are abundant and play important roles in elemental cycling. Here we investigated the particle-associated viral communities retained on 0.2 μm filters and in sediment samples (representing ancient cyanophage communities) from four ocean and three lake location...

journal_title：Frontiers in microbiology

authors： Hou W,Wang S,Briggs BR,Li G,Xie W,Dong H

更新日期：2018-05-03 00:00:00

abstract：:Limited data are available on the contribution of wildlife to the spread of antibacterial resistance. We determined the prevalence of resistance to antibiotics in Escherichia coli isolates collected from wild animals in 2013 and 2014 and the genetic basis for resistance to third-generation cephalosporin in Guadeloupe....

journal_title：Frontiers in microbiology

authors： Guyomard-Rabenirina S,Reynaud Y,Pot M,Albina E,Couvin D,Ducat C,Gruel G,Ferdinand S,Legreneur P,Le Hello S,Malpote E,Sadikalay S,Talarmin A,Breurec S

更新日期：2020-07-10 00:00:00

abstract：:[This corrects the article on p. 1638 in vol. 7, PMID: 27807431.]. ...

journal_title：Frontiers in microbiology

authors： Rughöft S,Herrmann M,Lazar CS,Cesarz S,Levick SR,Trumbore SE,Küsel K

更新日期：2016-11-29 00:00:00

abstract：:Plasmid mediated horizontal gene transfer (HGT) has been speculated to be one of the prime mechanisms for the adaptation of roseobacters (Rhodobacteraceae) to their ecological niches in the marine habitat. Their plasmids contain ecologically crucial functional modules of up to ∼40-kb in size, e.g., for aerobic anoxyge...

journal_title：Frontiers in microbiology

authors： Petersen J,Wagner-Döbler I

更新日期：2017-07-18 00:00:00

abstract：:HIV reservoirs persist in infected individuals despite combination antiretroviral therapy and can be identified in secondary lymphoid tissues, in intestinal tissues, in the central nervous system as well as in blood. Clinical trials have begun to explore effects of small molecule interventions to perturb the latent vi...

journal_title：Frontiers in microbiology

authors： Denton PW,Søgaard OS,Tolstrup M

更新日期：2019-08-21 00:00:00

abstract：:Mining industries produce vast waste streams that pose severe environmental pollution challenge. Conventional techniques of treatment are usually inefficient and unsustainable. Biological technique employing the use of microorganisms is a competitive alternative to treat mine wastes and recover toxic heavy metals. Mic...

journal_title：Frontiers in microbiology

authors： Ayangbenro AS,Olanrewaju OS,Babalola OO

更新日期：2018-08-22 00:00:00

abstract：:Gut microbes play a crucial role in the development of colorectal cancer. Chitooligosaccharides (COS), are oligomer that are depolymerized from chitosan and possess a wide range of biological activities. In this study, the effects of COS on colorectal cancer (CRC) development were evaluated using azoxymethane and dext...

journal_title：Frontiers in microbiology

authors： Wu M,Li J,An Y,Li P,Xiong W,Li J,Yan D,Wang M,Zhong G

更新日期：2019-09-18 00:00:00

abstract：:Members of the genus Lactobacillus are commonly found at the gastrointestinal tract and other mucosal surfaces of humans. This genus includes various species with a great number of potentially probiotic bacteria. Other often-used probiotic species belong to Bifidobacterium, a genus almost exclusively associated with t...

journal_title：Frontiers in microbiology

authors： Zúñiga M,Monedero V,Yebra MJ

更新日期：2018-08-17 00:00:00

abstract：:Tuberculosis (TB) disease is an international health concern caused by the bacteria Mycobacterium tuberculosis (Mtb). Evolution of multi-drug-resistant strains may cause bacterial persistence, rendering existing antibiotics ineffective. Hence, development of new or repurposing of currently approved drugs to fight Mtb ...

journal_title：Frontiers in microbiology

authors： Naicker N,Sigal A,Naidoo K

更新日期：2020-04-29 00:00:00

abstract：:A large number of viral and bacterial organisms are responsible for community-acquired pneumonia (CAP) which contributes to substantial burden on health management. A new resequencing microarray (RPM-IVDC1) associated with targeted multiplex PCR was recently developed and validated for multiple respiratory viruses det...

journal_title：Frontiers in microbiology

authors： Shen H,Zhu B,Wang S,Mo H,Wang J,Li J,Zhang C,Zeng H,Guan L,Shi W,Zhang Y,Ma X

更新日期：2015-05-28 00:00:00

abstract：:Vanillin is a potent fermentation inhibitor derived from the lignocellulosic biomass in biofuel production, and high concentrations of vanillin result in the pronounced repression of bulk translation in Saccharomyces cerevisiae. Studies on genes that are efficiently translated even in the presence of high concentratio...

journal_title：Frontiers in microbiology

authors： Ishida Y,Nguyen TT,Kitajima S,Izawa S

更新日期：2016-07-06 00:00:00

abstract：:Tumor-targeting bacteria elicit anticancer effects by infiltrating hypoxic regions, releasing toxic agents and inducing immune responses. Although current research has largely focused on the influence of chemical and immunological aspects on the mechanisms of bacterial therapy, the impact of physical effects is still ...

journal_title：Frontiers in microbiology

authors： Mascheroni P,Meyer-Hermann M,Hatzikirou H

更新日期：2020-06-04 00:00:00

abstract：:Lactobacillus species, which dominate vaginal microbiota of healthy reproductive-age women, lower the risks of sexually transmitted infections, including the risk of human immunodeficiency virus (HIV) acquisition. The exact mechanisms of this protection remain to be understood. Here, we investigated these mechanisms i...

journal_title：Frontiers in microbiology

authors： Ñahui Palomino RA,Zicari S,Vanpouille C,Vitali B,Margolis L

更新日期：2017-05-19 00:00:00

abstract：:Successful inter-kingdom relationships are based upon a dynamic balance between defense and cooperation. A certain degree of competition is necessary to guarantee life spread and development. On the other hand, cooperation is a powerful tool to ensure a long lasting adaptation to changing environmental conditions and ...

journal_title：Frontiers in microbiology

authors： Pessione E

更新日期：2020-10-20 00:00:00

abstract：:Chronic inflammatory rheumatic diseases (CIRDs) are immune-mediated pathologies involving joints. To date, TNFα-blocking agents administration is the most promising therapy, although these treatments are associated with an increased Polyomavirus JC (JCPyV) reactivation, the etiological agent of the Progressive Multifo...

journal_title：Frontiers in microbiology

authors： Rodio DM,Anzivino E,Mischitelli M,Bellizzi A,Scrivo R,Scribano D,Conte G,Prezioso C,Trancassini M,Valesini G,Palamara AT,Pietropaolo V

更新日期：2016-05-10 00:00:00

abstract：:The abundant and diverse microorganisms that inhabit aquatic systems are both determinants and indicators of aquatic health, providing essential ecosystem services such as nutrient cycling but also causing harmful blooms and disease in impacted habitats. Estuaries are among the most urbanized coastal ecosystems and as...

journal_title：Frontiers in microbiology

authors： Jeffries TC,Schmitz Fontes ML,Harrison DP,Van-Dongen-Vogels V,Eyre BD,Ralph PJ,Seymour JR

更新日期：2016-01-26 00:00:00

abstract：:The lumenal surfaces of human body are lined by a monolayer of epithelia that together with mucus secreting cells and specialized immune cells form the mucosal barrier. This barrier is one of the most fundamental components of the innate immune system, protecting organisms from the vast environmental microbiota. The m...

journal_title：Frontiers in microbiology

authors： Engel J,Eran Y

更新日期：2011-05-26 00:00:00

abstract：:Some major research and clinical questions about human T-cell leukemia virus type 1 (HTLV-1) infection and rheumatic diseases remain: (1) Does HTLV-1 infection cause rheumatic diseases? (2) Do patients with rheumatic diseases display different responses to treatment with anti-rheumatic agents when they are HTLV-1 carr...

journal_title：Frontiers in microbiology

authors： Umekita K,Okayama A

更新日期：2020-02-11 00:00:00

abstract：:Sphingolipids form of a unique and complex group of bioactive lipids in fungi. Structurally, sphingolipids of fungi are quite diverse with unique differences in the sphingoid backbone, amide linked fatty acyl chain and the polar head group. Two of the most studied and conserved sphingolipid classes in fungi are the gl...

journal_title：Frontiers in microbiology

authors： Singh A,Del Poeta M

更新日期：2016-04-14 00:00:00