Vitamin b(1) and b(12) uptake and cycling by plankton communities in coastal ecosystems.

abstract：:Coagulase negative staphylococci (CoNS) are important opportunistic pathogens. Staphylococcus epidermidis, a coagulase negative staphylococcus, is the third leading cause of nosocomial infections in the US. Surface proteins like Microbial Surface Components Recognizing Adhesive Matrix Molecules (MSCRAMMs) are major vi...

journal_title：Frontiers in microbiology

authors： Arora S,Uhlemann AC,Lowy FD,Hook M

更新日期：2016-04-29 00:00:00

abstract：:A nitrate- and metal-contaminated site at the Oak Ridge Reservation (ORR) was previously shown to contain the metal molybdenum (Mo) at picomolar concentrations. This potentially limits microbial nitrate reduction, as Mo is required by the enzyme nitrate reductase, which catalyzes the first step of nitrate removal. Enr...

journal_title：Frontiers in microbiology

authors： Ge X,Thorgersen MP,Poole FL 2nd,Deutschbauer AM,Chandonia JM,Novichkov PS,Gushgari-Doyle S,Lui LM,Nielsen T,Chakraborty R,Adams PD,Arkin AP,Hazen TC,Adams MWW

更新日期：2020-10-19 00:00:00

abstract：:The diversity of fungi in grape must and during wine fermentation was investigated in this study by culture-dependent and culture-independent techniques. Carignan and Grenache grapes were harvested from three vineyards in the Priorat region (Spain) in 2012, and nine samples were selected from the grape must after crus...

journal_title：Frontiers in microbiology

authors： Wang C,García-Fernández D,Mas A,Esteve-Zarzoso B

更新日期：2015-10-23 00:00:00

abstract：:Bacterial populations produce phenotypic variants called persisters to survive harmful conditions. Persisters are highly tolerant to antibiotics and repopulate environments after the stress has vanished. In order to resume growth, persisters have to recover from the persistent state, but the processes behind recovery ...

journal_title：Frontiers in microbiology

authors： Spanka DT,Konzer A,Edelmann D,Berghoff BA

更新日期：2019-03-06 00:00:00

abstract：:Mycobacteria are unique in many aspects of their biology. The development of genetic tools to identify genes critical for their growth by forward genetic analysis holds great promises to advance our understanding of their cellular, physiological and biochemical processes. Here we report the development of a novel tran...

journal_title：Frontiers in microbiology

authors： Riggs-Shute SD,Falkinham JO,Yang Z

更新日期：2020-01-21 00:00:00

abstract：:RNA silencing mediated by microRNAs (miRNAs) is a recently discovered gene regulatory mechanism involved in various aspects of biology, such as development, cell differentiation and proliferation, and innate immunity against viral infections. miRNAs, which are a class of small (21-25 nucleotides) RNAs, target messenge...

journal_title：Frontiers in microbiology

authors： Tsunetsugu-Yokota Y,Yamamoto T

更新日期：2010-10-13 00:00:00

abstract：:Emergence of multidrug-resistant Salmonella typhimurium strains, especially the ACSSuT and nalidixic acid R types, has significantly compromised the effectiveness of current strategies to control Salmonella infections, resulting in increased morbidity and mortality. Clinical S. typhimurium isolates recovered in Hong K...

journal_title：Frontiers in microbiology

authors： Wong MH,Chan EW,Liu LZ,Chen S

更新日期：2014-10-02 00:00:00

abstract：:mRNA levels result from an equilibrium between transcription and degradation. Ribonucleases (RNases) facilitate the turnover of mRNA, which is an important way of controlling gene expression, allowing the cells to adjust transcript levels to a changing environment. In contrast to the heterotrophic model bacteria Esche...

journal_title：Frontiers in microbiology

authors： Cavaiuolo M,Chagneau C,Laalami S,Putzer H

更新日期：2020-06-03 00:00:00

abstract：:Biofilms are surface-attached communities of bacterial cells embedded in a self-produced matrix that are found ubiquitously in nature. The biofilm matrix is composed of various extracellular polymeric substances, which confer advantages to the encapsulated bacteria by protecting them from eradication. The matrix compo...

journal_title：Frontiers in microbiology

authors： Whitfield GB,Marmont LS,Howell PL

更新日期：2015-05-15 00:00:00

abstract：:Microorganisms play a crucial role in biogeochemical cycles and ecosystem processes, but the key factors driving microbial community structure are poorly understood, particularly in alpine environments. In this study, we aim to disentangle the relative contribution of abiotic and biotic factors shaping bacterial and f...

journal_title：Frontiers in microbiology

authors： Wang C,Michalet R,Liu Z,Jiang X,Wang X,Zhang G,An L,Chen S,Xiao S

更新日期：2020-05-25 00:00:00

abstract：:Fresh vegetables including baby greens, microgreens, and sprouts can host human pathogens without exhibiting any visible signs of spoilage. It is clear that the vast majority of foodborne disease outbreaks associated with vegetable produce are not simply a result of an oversight by a producer, as it was shown that zoo...

journal_title：Frontiers in microbiology

authors： Henriquez T,Lenzi A,Baldi A,Marvasi M

更新日期：2020-05-28 00:00:00

abstract：:A new facultative chemolithoautotrophic arsenite (As(III))-oxidizing bacterium TCC9-4 was isolated from a hot spring microbial mat in Tengchong of Yunnan, China. This strain could grow with As(III) as an energy source, CO2-HCO3 (-) as a carbon source and oxygen as the electron acceptor in a minimal salts medium. Under...

journal_title：Frontiers in microbiology

authors： Jiang D,Li P,Jiang Z,Dai X,Zhang R,Wang Y,Guo Q,Wang Y

更新日期：2015-05-06 00:00:00

abstract：:Resistance to antibiotics is one of the most relevant public health concerns in the world. Aquatic environments play an important role because they are reservoirs for antibiotic resistance genes and antibiotic-resistant strains, contributing to the spread of resistance. The present study investigated the resistome in ...

journal_title：Frontiers in microbiology

authors： Alves J,Dias L,Mateus J,Marques J,Graças D,Ramos R,Seldin L,Henriques I,Silva A,Folador A

更新日期：2020-02-04 00:00:00

abstract：:Newborns and unvaccinated infants, compared to other age groups, are more susceptible to pertussis infection, manifesting severe symptoms leading to a higher mortality. The recent increase in pertussis cases demands more effective strategies to overcome this major health problem. In parallel with maternal-immunization...

journal_title：Frontiers in microbiology

authors： Martin Aispuro P,Ambrosis N,Zurita ME,Gaillard ME,Bottero D,Hozbor DF

更新日期：2020-04-17 00:00:00

abstract：:Shigella is an important human food-borne zoonosis bacterial pathogen, and can cause clinically severe diarrhea. There is an urgent need to develop a specific, sensitive, and rapid methodology for detection of this pathogen. In this study, loop-mediated isothermal amplification (LAMP) combined with magnetic immunocapt...

journal_title：Frontiers in microbiology

authors： Zhang L,Wei Q,Han Q,Chen Q,Tai W,Zhang J,Song Y,Xia X

更新日期：2018-02-06 00:00:00

abstract：:Currently, there is little evidence on the in situ antibacterial activity of essential oils (EO) without alcohol. This study aimed to evaluate in situ the substantivity and antiplaque effect on the plaque-like biofilm (PL-biofilm) of two solutions, a traditional formulation that contains EO with alcohol (T-EO) and an ...

journal_title：Frontiers in microbiology

authors： Quintas V,Prada-López I,Carreira MJ,Suárez-Quintanilla D,Balsa-Castro C,Tomás I

更新日期：2017-11-23 00:00:00

abstract：:Objective: To evaluate the diagnostic performance of metagenomic next-generation sequencing (mNGS) using bronchoalveolar lavage fluid (BALF) in patients with ventilator-associated pneumonia (VAP). Methods: BALF samples of 72 patients with VAP were collected from August 2018 to May 2020. The diagnostic performance of c...

journal_title：Frontiers in microbiology

authors： Fang X,Mei Q,Fan X,Zhu C,Yang T,Zhang L,Geng S,Pan A

更新日期：2020-12-01 00:00:00

abstract：:We have characterized the single subunit RNA polymerase from Klebsiella phage KP34. The enzyme is unique among known bacteriophage RNA polymerases in that it recognizes two unrelated promoter sequences, which provided clues for the evolution of phage single-subunit RNA polymerases. As the first representative enzyme f...

journal_title：Frontiers in microbiology

authors： Lu X,Wu H,Xia H,Huang F,Yan Y,Yu B,Cheng R,Drulis-Kawa Z,Zhu B

更新日期：2019-10-31 00:00:00

abstract：:A realistic description of the variability in bacterial growth and division is critical to produce reliable predictions of safety risks along the food chain. Individual-based modeling of bacteria provides the theoretical framework to deal with this variability, but it requires information about the individual behavior...

journal_title：Frontiers in microbiology

authors： García MR,Vázquez JA,Teixeira IG,Alonso AA

更新日期：2018-01-05 00:00:00

abstract：:PP2A-like phosphatases share high homology with PP2A enzymes and are composed of a catalytic subunit and a regulatory subunit. In Candida albicans, the PP2A-like catalytic subunit SIT4 regulates cell growth, morphogenesis, and virulence. However, the functions of its regulatory subunits remain unclear. Here, by homolo...

journal_title：Frontiers in microbiology

authors： Han Q,Pan C,Wang Y,Zhao L,Wang Y,Sang J

更新日期：2019-12-20 00:00:00

abstract：:Klebsiella pneumoniae (K. pneumoniae) spp. are important nosocomial and community-acquired opportunistic pathogens, which cause various infections. We observed that K. pneumoniae strain K7 abruptly mutates to rough-type phage-resistant phenotype upon treatment with phage GH-K3. In the present study, the rough-type pha...

journal_title：Frontiers in microbiology

authors： Cai R,Wang G,Le S,Wu M,Cheng M,Guo Z,Ji Y,Xi H,Zhao C,Wang X,Xue Y,Wang Z,Zhang H,Fu Y,Sun C,Feng X,Lei L,Yang Y,Ur Rahman S,Liu X,Han W,Gu J

更新日期：2019-05-28 00:00:00

abstract：:Interactions with microbes affect many aspects of animal biology, including immune system development, nutrition and health. In vertebrates, the gut microbiota is dominated by a small subset of phyla, but the species composition within these phyla is typically not conserved. Moreover, several recent studies have shown...

journal_title：Frontiers in microbiology

authors： Ellegaard KM,Engel P

更新日期：2016-09-21 00:00:00

abstract：:Actinobacteria are important producers of bioactive compounds. Extreme ecosystems cause evolution of novel secondary metabolic pathways of Actinobacteria and increase the possible discovery of new biological functions of bioactive compounds. Here, we isolated 65 Actinobacteria from rhizosphere soil samples of Opuntia ...

journal_title：Frontiers in microbiology

authors： Qi D,Zou L,Zhou D,Chen Y,Gao Z,Feng R,Zhang M,Li K,Xie J,Wang W

更新日期：2019-06-28 00:00:00

abstract：:The objective of this study was to evaluate the effects of wilting and Lactobacillus plantarum (LP) addition on the silage fermentation quality and microbial community of Moringa oleifera Lam. leaf silage. Unwilted (direct-cut) or wilted M. oleifera leaves were prepared either with or without LP (1.0 × 106 cfu/g) foll...

journal_title：Frontiers in microbiology

authors： Wang Y,Wang C,Zhou W,Yang FY,Chen XY,Zhang Q

更新日期：2018-08-06 00:00:00

abstract：:There is considerable interest in studying the function of Bacteroides species resident in the human gastrointestinal (GI)-tract and the contribution they make to host health. Reverse genetics and protein expression techniques, such as those developed for well-characterized Escherichia coli cannot be applied to Bacter...

journal_title：Frontiers in microbiology

authors： Horn N,Carvalho AL,Overweg K,Wegmann U,Carding SR,Stentz R

更新日期：2016-07-13 00:00:00

abstract：:The transition to terrestrial environments by formerly aquatic species has occurred repeatedly in many animal phyla and lead to the vast diversity of extant terrestrial species. The differences between aquatic and terrestrial habitats are enormous and involved remarkable morphological and physiological changes. Conver...

journal_title：Frontiers in microbiology

authors： Cannicci S,Fratini S,Meriggi N,Bacci G,Iannucci A,Mengoni A,Cavalieri D

更新日期：2020-10-07 00:00:00

abstract：:Several previous studies have shown that bacteriophages can significantly affect the production of various cytokines. The aim of this present study was to investigate the inflammatory effects and mechanisms of bacteriophage vB_SauM_JS25 in stimulated MAC-T bovine mammary epithelial cells by real-time polymerase chain ...

journal_title：Frontiers in microbiology

authors： Zhang L,Hou X,Sun L,He T,Wei R,Pang M,Wang R

更新日期：2018-07-23 00:00:00

abstract：:To investigate the diversity of butane-oxidizing bacteria in soils contaminated by long-term light hydrocarbon microseepage and the influence of butane on the soil microbial community, a quantitative study and identification of butane-oxidizing bacteria (BOB) in soils at the Puguang gas field were performed by DNA-bas...

journal_title：Frontiers in microbiology

authors： Deng Y,Deng C,Yang J,Li B,Wang E,Yuan H

更新日期：2018-07-17 00:00:00

abstract：:Brettanomyces yeasts have gained popularity in many sectors of the biotechnological industry, specifically in the field of beer production, but also in wine and ethanol production. Their unique properties enable Brettanomyces to outcompete conventional brewer's yeast in industrially relevant traits such as production ...

journal_title：Frontiers in microbiology

authors： Colomer MS,Chailyan A,Fennessy RT,Olsson KF,Johnsen L,Solodovnikova N,Forster J

更新日期：2020-04-09 00:00:00

abstract：:Rapid molecular techniques that evaluate eggs for the presence of foodborne pathogens is an essential component to poultry food safety monitoring. Interestingly, it is not just table eggs that contribute to outbreaks of foodborne disease. Broiler layer production actively contributes to sustaining of foodborne pathoge...

journal_title：Frontiers in microbiology

authors： Rothrock MJ Jr,Feye KM,Kim SA,Park SH,Locatelli A,Hiett KL,Gamble J,Sellers H,Ricke SC

更新日期：2018-11-02 00:00:00