Ascorbic acid-dependent gene expression in Streptococcus pneumoniae and the activator function of the transcriptional regulator UlaR2.

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：:Sterile attenuation of Plasmodium parasites at the liver-stage either by irradiation or genetic modification, or at the blood-stage by chemoprophylaxis, has been shown to induce immune responses that can protect against subsequent wild-type infection. However, following certain interventions, parasite attenuation can ...

journal_title：Frontiers in microbiology

authors： Fernandes P,Frank R,Lewis MD,Mueller AK

更新日期：2014-12-02 00:00:00

abstract：:Acetate is a characteristic by-product of Escherichia coli K-12 growing in batch cultures with glucose, both under aerobic as well as anaerobic conditions. While the reason underlying aerobic acetate production is still under discussion, during anaerobic growth acetate production is important for ATP generation by sub...

journal_title：Frontiers in microbiology

authors： Schütze A,Benndorf D,Püttker S,Kohrs F,Bettenbrock K

更新日期：2020-02-21 00:00:00

abstract：:Human gut bacteria contribute significantly to human health and several studies have evaluated the effects of dietary fibers on human gut bacterial ecology. However, the relationship between different degrees of fiber polymerization and human gut bacteria is unknown. Here, we analyzed three fiber substrates with diffe...

journal_title：Frontiers in microbiology

authors： Chen M,Fan B,Liu S,Imam KMSU,Xie Y,Wen B,Xin F

更新日期：2020-05-15 00:00:00

abstract：:Bacillus cereus is a gram-positive pathogen mainly known to evoke two types of foodborne poisonings. The diarrheal syndrome is caused by enterotoxins produced during growth in the intestine. In contrast, the emetic type is caused by the dodecadepsipeptide cereulide pre-formed in food. Usually, both diseases are self-l...

journal_title：Frontiers in microbiology

authors： Bauer T,Sipos W,Stark TD,Käser T,Knecht C,Brunthaler R,Saalmüller A,Hofmann T,Ehling-Schulz M

更新日期：2018-11-07 00:00:00

abstract：:DNA and RNA-based sequencing of the 16S rRNA gene and transcripts were used to assess the phylogenetic diversity of microbial communities at assets experiencing corrosion in an oil production facility. The complementary methodological approach, coupled with extensive bioinformatics analysis, allowed to visualize diffe...

journal_title：Frontiers in microbiology

authors： Salgar-Chaparro SJ,Machuca LL

更新日期：2019-11-07 00:00:00

abstract：:Carbapenem resistant Acinetobacter baumannii (CRAB) represents one of the most challenging pathogens in clinical settings. Colistin is routinely used for treatment of infections by this pathogen, but increasing colistin resistance has been reported. We obtained 122 CRAB isolates from nine Greek hospitals between 2015 ...

journal_title：Frontiers in microbiology

authors： Palmieri M,D'Andrea MM,Pelegrin AC,Perrot N,Mirande C,Blanc B,Legakis N,Goossens H,Rossolini GM,van Belkum A

更新日期：2020-04-15 00:00:00

abstract：:Parys Mountain or Mynydd Parys (Isle of Anglesey, United Kingdom) is a mine-impacted environment, which accommodates a variety of acidophilic organisms. Our previous research of water and sediments from one of the surface acidic streams showed a high proportion of archaea in the total microbial community. To understan...

journal_title：Frontiers in microbiology

authors： Distaso MA,Bargiela R,Brailsford FL,Williams GB,Wright S,Lunev EA,Toshchakov SV,Yakimov MM,Jones DL,Golyshin PN,Golyshina OV

更新日期：2020-11-17 00:00:00

abstract：:Powdery mildew infects a wide range of crops and economic plants, causing substantial losses. Rubber trees (Hevea brasiliensis) are the primary source of natural rubber, and powdery mildew infection causes significant losses to natural rubber yields. How the causal agent, Erysiphe quercicola, establishes successful in...

journal_title：Frontiers in microbiology

authors： Li X,Liu Y,He Q,Li S,Liu W,Lin C,Miao W

更新日期：2020-11-24 00:00:00

abstract：:A Gram-positive, coccoid, motile, aerobic bacterium, designated strain B12T was isolated from a Jet Propulsion Laboratory spacecraft assembly cleanroom, Pasadena, CA, United States. Strain B12T was resistant to chloramphenicol (100 μg/mL), and is a relatively slow grower (3-5 days optimal). Strain B12T was found to gr...

journal_title：Frontiers in microbiology

authors： Mhatre S,Singh NK,Wood JM,Parker CW,Pukall R,Verbarg S,Tindall BJ,Neumann-Schaal M,Venkateswaran K

更新日期：2020-08-18 00:00:00

abstract：:Genitourinary syndrome of menopause (GSM) is a chronic and progressive condition with a series of vulvovaginal, sexual, and lower urinary tract discomforts, mainly due to hypoestrogenism. Menopausal hormone therapy (MHT) has generally been considered as the most effective treatment for GSM. In addition, vaginal microb...

journal_title：Frontiers in microbiology

authors： Geng L,Huang W,Jiang S,Zheng Y,Zhou Y,Zhou Y,Hu J,Li P,Tao M

更新日期：2020-11-20 00:00:00

abstract：:Chironomids (Diptera; Chironomidae), also known as non-biting midges, are one of the most abundant insects in freshwater habitats. Our aim was to understand whether the metamorphosis developmental stages affect the endogenous microbiota composition of Chironomus transvaalensis. Toward our objective, we analyzed the en...

journal_title：Frontiers in microbiology

authors： Sela R,Laviad-Shitrit S,Halpern M

更新日期：2020-11-06 00:00:00

abstract：:The extensive use of acids in a variety of manufacturing industries results in the increase of discharged acidic waste stream into the environment. Such co-pollution of acids and other organic pollutants limits the biodegradation capability of neutrophilic degraders. With high-throughput genetic techniques, we aim to ...

journal_title：Frontiers in microbiology

authors： Zhou Z,Liu Y,Zanaroli G,Wang Z,Xu P,Tang H

更新日期：2019-09-04 00:00:00

abstract：:Plants shape distinct, species-specific microbiomes in their rhizospheres. A main premise for evaluating microbial communities associated with root-soil compartments is their successful separation into the rhizosphere (soil-root interface), the rhizoplane (root surface), and the endosphere (inside roots). We evaluated...

journal_title：Frontiers in microbiology

authors： Richter-Heitmann T,Eickhorst T,Knauth S,Friedrich MW,Schmidt H

更新日期：2016-05-24 00:00:00

abstract：:Aspergillus niger has an innate ability to secrete various organic acids, including citrate. The conditions required for A. niger citrate overproduction are well described, but the physiological reasons underlying extracellular citrate accumulation are not yet fully understood. One of the less understood culture condi...

journal_title：Frontiers in microbiology

authors： Odoni DI,van Gaal MP,Schonewille T,Tamayo-Ramos JA,Martins Dos Santos VAP,Suarez-Diez M,Schaap PJ

更新日期：2017-08-02 00:00:00

abstract：BACKGROUND:Antibiotic treatment of chronic Q fever is cumbersome and of long duration. To monitor treatment, there is a need for alternative biomarkers. Coxiella burnetii-specific interferon (IFN)-γ and interleukin (IL)-2 production reflect the type of effector and memory T-cell response. In chronic Q fever, C. burneti...

journal_title：Frontiers in microbiology

authors： Schoffelen T,Wegdam-Blans MC,Ammerdorffer A,Pronk MJ,Soethoudt YE,Netea MG,van der Meer JW,Bleeker-Rovers CP,van Deuren M

更新日期：2015-02-12 00:00:00

abstract：:Microbial diversity present on grapes in wineries, and throughout fermentation has been associated with important metabolites for final wine quality. Although microbiome-metabolome associations have been well characterized and could be used as indicators of wine quality, the impact of regionality on the microbiome and...

journal_title：Frontiers in microbiology

authors： Wang HL,Hopfer H,Cockburn DW,Wee J

更新日期：2021-01-11 00:00:00

abstract：:Multiple carlaviruses infect various ornamental plants, often having limited host ranges and causing minor symptoms, yet often reducing yield or quality. In this study we have identified a mixed infection of butterbur mosaic virus (ButMV) and helenium virus S (HelVS) from a plant of veronica (Veronica sp.) showing fol...

journal_title：Frontiers in microbiology

authors： Hammond J,Reinsel M,Grinstead S,Lockhart B,Jordan R,Mollov D

更新日期：2020-12-21 00:00:00

abstract：:Multiple studies confirm laccase role in fungal pathogenicity and lignocellulose degradation. In spite of broad genomic research, laccases from plant wilt pathogen Fusarium oxysporum are still not characterized. The study aimed to identify F. oxysporum genes that may encode laccases sensu stricto and to characterize t...

journal_title：Frontiers in microbiology

authors： Kwiatos N,Ryngajłło M,Bielecki S

更新日期：2015-09-10 00:00:00

abstract：:In the present study, we found that our isolate Shewanella decolorationis NTOU1 is able to degrade acetate under anaerobic condition with concomitant implementation of extracellular electron transfer (EET). With +0.63 V (vs. SHE) poised on the anode, in a 72-h experiment digesting acetate, only 2 mM acetate was consum...

journal_title：Frontiers in microbiology

authors： Li SL,Wang YJ,Chen YC,Liu SM,Yu CP

更新日期：2019-03-05 00:00:00

abstract：:Multi-drug resistant Staphylococcus aureus (MDRSA) remains a great challenge despite a decade of research on antimicrobial compounds against their infections. In the present study, various acyclic amines and diamines were chemically synthesized and tested for their antimicrobial as well as antibiofilm activity against...

journal_title：Frontiers in microbiology

authors： Kaur G,Balamurugan P,Vasudevan S,Jadav S,Princy SA

更新日期：2017-09-15 00:00:00

abstract：:Woodchip bioreactor technology removes nitrate from agricultural subsurface drainage by using denitrifying microorganisms. Although woodchip bioreactors have demonstrated success in many field locations, low water temperature can significantly limit bioreactor efficiency and performance. To improve bioreactor performa...

journal_title：Frontiers in microbiology

authors： Jang J,Anderson EL,Venterea RT,Sadowsky MJ,Rosen CJ,Feyereisen GW,Ishii S

更新日期：2019-04-02 00:00:00

abstract：:A range of attributes determines the virulence of human pathogens. During interactions with their hosts, pathogenic microbes often undergo transitions between distinct stages, and the ability to switch between these can be directly related to the disease process. Understanding the mechanisms and dynamics of these tran...

journal_title：Frontiers in microbiology

authors： Tyc KM,Kühn C,Wilson D,Klipp E

更新日期：2014-02-06 00:00:00

abstract：:Hepatitis E virus (HEV) is associated with acute hepatitis disease, which may lead to chronic disease in immunocompromised individuals. The disease is particularly severe among pregnant women (20-30% mortality). The only licensed vaccine against HEV, which is available in China, is the Escherichia coli purified recomb...

journal_title：Frontiers in microbiology

authors： Gupta J,Kaul S,Srivastava A,Kaushik N,Ghosh S,Sharma C,Batra G,Banerjee M,Shalimar,Nayak B,Ranjith-Kumar CT,Surjit M

更新日期：2020-02-06 00:00:00

abstract：:Indole is a signal molecule derived from the conversion of tryptophan, and it is present in bacterial respiratory gas. Besides influencing bacterial growth, indole exhibits effects on human health, including a positive effect on inflammation and protection against pathogens. However, a high fecal indole concentration ...

journal_title：Frontiers in microbiology

authors： Koga N,Hosomi T,Zwama M,Jirayupat C,Yanagida T,Nishino K,Yamasaki S

更新日期：2020-11-16 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：:Studying the pathobiology of the fungus Aspergillus fumigatus has gained a lot of attention in recent years. This is due to the fact that this fungus is a human pathogen that can cause severe diseases, like invasive pulmonary aspergillosis in immunocompromised patients. Because alveolar macrophages belong to the first...

journal_title：Frontiers in microbiology

authors： Kraibooj K,Schoeler H,Svensson CM,Brakhage AA,Figge MT

更新日期：2015-06-09 00:00:00

abstract：:This review describes target-enrichment approaches followed by next generation sequencing and their recent application to the research and diagnostic field of modern and past infectious human diseases caused by viruses, bacteria, parasites and fungi. ...

journal_title：Frontiers in microbiology

authors： Gaudin M,Desnues C

更新日期：2018-11-27 00:00:00

abstract：:Fungi have increased tolerance to environmental stress (also related to the access of pollutants, e.g., trace elements and polycyclic aromatic hydrocarbons PAHs). The aim of the study was to evaluate the mycobiome and functional diversity of fungi in long-term crude-oil contaminated soils as the potential bioremediato...

journal_title：Frontiers in microbiology

authors： Gałązka A,Grządziel J,Gałązka R,Gawryjołek K,Ukalska-Jaruga A,Smreczak B

更新日期：2020-09-17 00:00:00

abstract：:Bacteriophages are the most common entities on earth and represent a constant challenge to bacterial populations. To fend off bacteriophage infection, bacteria evolved immune systems to avert phage adsorption and block invader DNA entry. They developed restriction-modification systems and mechanisms to abort infection...

journal_title：Frontiers in microbiology

authors： Shabbir MA,Hao H,Shabbir MZ,Wu Q,Sattar A,Yuan Z

更新日期：2016-08-17 00:00:00