NADH-Mediated Gene Expression in Streptococcus pneumoniae and Role of Rex as a Transcriptional Repressor of the Rex-Regulon.

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：:Human breast milk is widely recognized as the best source of nutrients for healthy growth and development of infants; it contains a diverse microbiota. Here, we characterized the diversity of the microbiota in the breast milk of East Asian women and assessed whether delivery mode influenced the microbiota in the milk ...

journal_title：Frontiers in microbiology

authors： Li SW,Watanabe K,Hsu CC,Chao SH,Yang ZH,Lin YJ,Chen CC,Cao YM,Huang HC,Chang CH,Tsai YC

更新日期：2017-05-30 00:00:00

abstract：:The subcellular localization (SCL) of proteins provides important clues to their function in a cell. In our efforts to predict useful vaccine targets against Gram-negative bacteria, we noticed that misannotated start codons frequently lead to wrongly assigned SCLs. This and other problems in SCL prediction, such as th...

journal_title：Frontiers in microbiology

authors： Paramasivam N,Linke D

更新日期：2011-11-08 00:00:00

abstract：:Ionic liquids discovery has celebrated 100 years. They consist solely of ions, one of which is typically organic and asymmetrical. Remarkable physical and chemical properties stirred their use as alternative solvents in many chemical processes. The recent demonstration of their occurrence in nature might boost their i...

journal_title：Frontiers in microbiology

authors： Hartmann DO,Petkovic M,Silva Pereira C

更新日期：2016-02-08 00:00:00

abstract：:Host population density is positively associated with the strength of social interactions or the frequency of physical contacts, and thus potentially influences microbial transmission among individuals. However, the relationship between host density and gut microbiota remains unknown. Here, we characterized the gut mi...

journal_title：Frontiers in microbiology

authors： Li H,Qu J,Li T,Li J,Lin Q,Li X

更新日期：2016-05-18 00:00:00

abstract：:Over the past decades, Salmonella 4,[5],12:i:- has rapidly emerged and it is isolated with high frequency in the swine food chain. Although many studies have documented the epidemiological success of this serovar, few investigations have tried to explain this phenomenon from a genetic perspective. Here a comparative w...

journal_title：Frontiers in microbiology

authors： Mastrorilli E,Pietrucci D,Barco L,Ammendola S,Petrin S,Longo A,Mantovani C,Battistoni A,Ricci A,Desideri A,Losasso C

更新日期：2018-04-17 00:00:00

abstract：:There is increasing evidence that microbial volatiles (VOCs) play an important role in natural suppression of soil-borne diseases, but little is known on the factors that influence production of suppressing VOCs. In the current study we examined whether a stress-induced change in soil microbial community composition w...

journal_title：Frontiers in microbiology

authors： van Agtmaal M,van Os GJ,Hol WH,Hundscheid MP,Runia WT,Hordijk CA,de Boer W

更新日期：2015-07-10 00:00:00

abstract：:We studied the resident (16S rDNA) and the active (16S rRNA) members of soil archaeal and bacterial communities during rice plant development by sampling three growth stages (vegetative, reproductive and maturity) under field conditions. Additionally, the microbial community was investigated in two non-flooded fields ...

journal_title：Frontiers in microbiology

authors： Breidenbach B,Conrad R

更新日期：2015-01-08 00:00:00

abstract：:Halophilic organisms inhabit hypersaline environments where the extreme ionic conditions and osmotic pressure have driven the evolution of molecular adaptation mechanisms. Understanding such mechanisms is limited by the common difficulties encountered in cultivating such organisms. Within the Euryarchaeota, for exampl...

journal_title：Frontiers in microbiology

authors： Gonzalez-Ordenes F,Cea PA,Fuentes-Ugarte N,Muñoz SM,Zamora RA,Leonardo D,Garratt RC,Castro-Fernandez V,Guixé V

更新日期：2018-06-26 00:00:00

abstract：:This study aimed to investigate effects of intravenous infusion with sodium butyrate (SB) on colonic microbiota, intestinal mucosal immune and intestinal development in normal growing pigs. Twelve crossbred barrows (Duroc × Landrace × Large White) fitted with a medical polyethylene cannula via internal jugular vein we...

journal_title：Frontiers in microbiology

authors： Chen X,Xu J,Su Y,Zhu W

更新日期：2018-07-20 00:00:00

abstract：:Bacteria of the Vibrio genus are the most predominant infectious agents threatening marine wildlife and aquaculture. Due to the large genetic diversity of these pathogens, the molecular determinants of Vibrio virulence are only poorly understood. Furthermore, studies tend to ignore co-evolutionary interactions between...

journal_title：Frontiers in microbiology

authors： Wegner KM,Piel D,Bruto M,John U,Mao Z,Alunno-Bruscia M,Petton B,Le Roux F

更新日期：2019-09-06 00:00:00

abstract：:Microbial biofilms in gravity-driven membrane (GDM) filtration systems can efficiently degrade the cyanotoxin microcystin (MC), but it is unclear if this function depends on the presence of MC-producing cyanobacteria in the source water habitat. We assessed the removal of MC from added Microcystis aeruginosa biomass i...

journal_title：Frontiers in microbiology

authors： Silva MOD,Desmond P,Derlon N,Morgenroth E,Pernthaler J

更新日期：2019-04-18 00:00:00

abstract：:Bacteria are the highest abundant microorganisms in the soil. To investigate bacteria community structures, diversity, and functions, contrasting them in four different seasons all the year round with/within two different forest type soils of China. We analyzed soil bacterial community based on 16S rRNA gene sequencin...

journal_title：Frontiers in microbiology

authors： Wei H,Peng C,Yang B,Song H,Li Q,Jiang L,Wei G,Wang K,Wang H,Liu S,Liu X,Chen D,Li Y,Wang M

更新日期：2018-07-31 00:00:00

abstract：:Macrophomina phaseolina is the most devastating pathogen which causes charcoal rot and root rot diseases in various economically important crops. Three strains M. phaseolina 1156, M. phaseolina 1160, and M. phaseolina PCMC/F1 were tested for their virulence on sunflower (Helianthus annuus L.) and chickpea (Cicer ariet...

journal_title：Frontiers in microbiology

authors： Khan AN,Shair F,Malik K,Hayat Z,Khan MA,Hafeez FY,Hassan MN

更新日期：2017-07-19 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：:Salmonella enterica causes substantial morbidity and mortality in humans and animals. Infection and intestinal colonization by S. enterica require virulence factors that mediate bacterial binding and invasion of enterocytes and innate immune cells. Some S. enterica colonization factors and their alleles are host restr...

journal_title：Frontiers in microbiology

authors： Yue M,Schifferli DM

更新日期：2014-01-07 00:00:00

abstract：:The present study was designed to clarify the taxonomic status of two species classified as Bacillus cereus sensu lato, namely B. cereus sensu stricto and Bacillus thuringiensis. To this end, nearly 900 whole genome sequences of strains assigned to these taxa were the subject of comparative genomic and phylogenomic an...

journal_title：Frontiers in microbiology

authors： Baek I,Lee K,Goodfellow M,Chun J

更新日期：2019-08-23 00:00:00

abstract：:The Gram-negative bacterium Vibrio cholerae encodes two nucleases, Dns and Xds, which play a major role during the human pathogen's lifecycle. Dns and Xds control three-dimensional biofilm formation and bacterial detachment from biofilms via degradation of extracellular DNA and thus contribute to the environmental, in...

journal_title：Frontiers in microbiology

authors： Pressler K,Mitterer F,Vorkapic D,Reidl J,Oberer M,Schild S

更新日期：2019-09-10 00:00:00

abstract：:Unconventional oil and gas exploration generates an enormous quantity of wastewater, commonly referred to as flowback and produced water (FPW). Limited freshwater resources and stringent disposal regulations have provided impetus for FPW reuse. Organic and inorganic compounds released from the shale/brine formation, m...

journal_title：Frontiers in microbiology

authors： Acharya SM,Chakraborty R,Tringe SG

更新日期：2020-09-09 00:00:00

abstract：:Nitrous oxide (N(2)O) is an environmentally important atmospheric trace gas because it is an effective greenhouse gas and it leads to ozone depletion through photo-chemical nitric oxide (NO) production in the stratosphere. Mitigating its steady increase in atmospheric concentration requires an understanding of the mec...

journal_title：Frontiers in microbiology

authors： Schreiber F,Wunderlin P,Udert KM,Wells GF

更新日期：2012-10-23 00:00:00

abstract：:Based on the complete genome of Cyanothece ATCC 51142, the oriCs of both the circular and linear chromosomes in Cyanothece ATCC 51142 have been predicted by utilizing a web-based system Ori-Finder. Here, we provide experimental support for the results of Ori-Finder to identify the replication origins of Cyanothece ATC...

journal_title：Frontiers in microbiology

authors： Huang H,Song CC,Yang ZL,Dong Y,Hu YZ,Gao F

更新日期：2015-12-10 00:00:00

abstract：:Many chronic inflammatory diseases are known to be caused by persistent bacterial or viral infections. A well-studied example is the tick-borne infection by the gram-negative spirochaetes of the genus Borrelia in humans and other mammals, causing severe symptoms of chronic inflammation and subsequent tissue damage (Ly...

journal_title：Frontiers in microbiology

authors： Binder SC,Telschow A,Meyer-Hermann M

更新日期：2012-03-22 00:00:00

abstract：:Aluminum (Al)-resistant plant cultivars can recruit beneficial microbes to alleviate the stresses. However, the mechanism of how rhizobacterial communities strengthen Al tolerance of wild soybean has not been addressed. The aim of this study was to investigate the bacterial community structure in the rhizosphere of Al...

journal_title：Frontiers in microbiology

authors： Shi Q,Jin J,Liu Y,Zhang Y,Cai Z,Ma Q,Cheng Y,Wen R,Nian H,Lian T

更新日期：2020-08-19 00:00:00

abstract：:In most bacteria, iron plays a vital role in pathogenesis processes. To support survival and infection, Streptococcus pneumoniae has evolved three ABC transporters, PiaABC, PiuABC, and PitABC. Moreover, indirect evidence supports that operon 804 may be a novel ABC transporter in S. pneumoniae. We have recently describ...

journal_title：Frontiers in microbiology

authors： Yang XY,Li N,Xu JY,Sun X,He QY

更新日期：2019-07-30 00:00:00

abstract：:Fecal microbiota transplants (FMT) may be used to improve chicken's feed efficiency (FE) via modulation of the intestinal microbiota and microbe-host signaling. This study investigated the effect of the administration of FMT from highly feed efficient donors early in life on the jejunal and cecal microbiota, visceral ...

journal_title：Frontiers in microbiology

authors： Metzler-Zebeli BU,Siegerstetter SC,Magowan E,Lawlor PG,O Connell NE,Zebeli Q

更新日期：2019-07-09 00:00:00

abstract：:Molasses are sub-products of the sugar industry, rich in sucrose and containing other sugars like raffinose, glucose, and fructose. Alpha-galactosidases (EC. 3.2.1.22) catalyze the hydrolysis of alpha-(1,6) bonds of galactose residues in galacto-oligosaccharides (melibiose, raffinose, and stachyose) and complex galact...

journal_title：Frontiers in microbiology

authors： Álvarez-Cao ME,Cerdán ME,González-Siso MI,Becerra M

更新日期：2019-03-07 00:00:00

abstract：:In this study the efficacy of two different methods for extracting lipopeptides produced by five Bacillus strains-ethyl acetate extraction, and acid precipitation followed by methanol extraction-was investigated using mass spectrometry. High performance thin layer chromatography (HPTLC) was also used for the simultane...

journal_title：Frontiers in microbiology

authors： Dimkić I,Stanković S,Nišavić M,Petković M,Ristivojević P,Fira D,Berić T

更新日期：2017-05-23 00:00:00

abstract：:The application of biochar to soil is considered to have the potential for long-term soil carbon sequestration, as well as for improving plant growth and suppressing soil pathogens. In our study we evaluated the effect of biochar on the plant growth of soybeans, as well as on the community composition of root-associat...

journal_title：Frontiers in microbiology

authors： Egamberdieva D,Wirth S,Behrendt U,Abd Allah EF,Berg G

更新日期：2016-02-25 00:00:00

abstract：:The polymyxin antibiotic colistin shows in vitro activity against Stenotrophomonas maltophilia. However, an increased incidence of colistin-resistant isolates has been recently observed. In addition, in vitro evaluation of colistin susceptibility for this organism has been problematic. The aims of this study were to i...

journal_title：Frontiers in microbiology

authors： Martínez-Servat S,Yero D,Huedo P,Marquez R,Molina G,Daura X,Gibert I

更新日期：2018-11-22 00:00:00

abstract：:Low energy electron beam (LEEB) treatment is an emerging non-thermal technology that performs surface decontamination with a minimal influence on food quality. Bacterial spore resistance toward LEEB treatment and its influencing factors were investigated in this study. Spores from Geobacillus and Bacillus species were...

journal_title：Frontiers in microbiology

authors： Zhang Y,Moeller R,Tran S,Dubovcova B,Akepsimaidis G,Meneses N,Drissner D,Mathys A

更新日期：2018-11-23 00:00:00