New Alpiniamides From Streptomyces sp. IB2014/011-12 Assembled by an Unusual Hybrid Non-ribosomal Peptide Synthetase Trans-AT Polyketide Synthase Enzyme.

abstract：:Helicobacter pylori does not encode the classical DsbA/DsbB oxidoreductases that are crucial for oxidative folding of extracytoplasmic proteins. Instead, this microorganism encodes an untypical two proteins playing a role in disulfide bond formation - periplasmic HP0231, which structure resembles that of EcDsbC/DsbG, ...

journal_title：Frontiers in microbiology

authors： Bocian-Ostrzycka KM,Łasica AM,Dunin-Horkawicz S,Grzeszczuk MJ,Drabik K,Dobosz AM,Godlewska R,Nowak E,Collet JF,Jagusztyn-Krynicka EK

更新日期：2015-10-08 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：:CapB2 is recognized as a tyrosine kinase and is likely a vital factor in extracellular polysaccharide synthesis in Staphylococcus aureus, but its pathogenicity function and regulatory mechanism remain obscure. Here, we demonstrate that CapB2 enhances bacterial virulence in a murine model. Mice infected with the wild t...

journal_title：Frontiers in microbiology

authors： Li D,Guo Y,Wang S,Lv J,Qi X,Chen Z,Han L,Zhang X,Wang L,Yu F

更新日期：2017-02-10 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：:Thiobacillus denitrificans is a chemolithoautotrophic bacterium capable of anaerobic, nitrate-dependent U(IV) and Fe(II) oxidation, both of which can strongly influence the long-term efficacy of in situ reductive immobilization of uranium in contaminated aquifers. We previously identified two c-type cytochromes involv...

journal_title：Frontiers in microbiology

authors： Beller HR,Zhou P,Legler TC,Chakicherla A,Kane S,Letain TE,A O'Day P

更新日期：2013-08-27 00:00:00

abstract：:The Formyl-peptide receptor-2 (FPR2) is a seven transmembrane G protein-coupled receptor, which plays an important role in sensing of bacteria and modulation of immune responses. FPR2 is also used by viruses for their own profit. Annexin A1, one of the multiple ligands of FPR2, is incorporated in the budding virus mem...

journal_title：Frontiers in microbiology

authors： Alessi MC,Cenac N,Si-Tahar M,Riteau B

更新日期：2017-09-05 00:00:00

abstract：:The present study used a combination of 16S rRNA MiSeq sequencing strategy and gas chromatograph time of flight mass spectrometer (GC-TOF/MS) technique to investigate the effects of starch sources on the colonic microbiota and their metabolites in finishing pigs. A total of 72 crossbred barrows were allocated to three...

journal_title：Frontiers in microbiology

authors： Yu M,Li Z,Chen W,Rong T,Wang G,Ma X

更新日期：2019-05-29 00:00:00

abstract：:While vegetation has intensively been surveyed on mountain summits, limited knowledge exists about the diversity and community structure of soil biota. Here, we study how climatic variables, vegetation, parent material, soil properties, and slope aspect affect the soil microbiome on 10 GLORIA (Global Observation Resea...

journal_title：Frontiers in microbiology

authors： Adamczyk M,Hagedorn F,Wipf S,Donhauser J,Vittoz P,Rixen C,Frossard A,Theurillat JP,Frey B

更新日期：2019-05-15 00:00:00

abstract：:Flammeovirga pacifica strain WPAGA1 is a Gram-negative, polysaccharide-degrading bacterium isolated from the marine sediment of the West Pacific Ocean. This strain is a cosmopolitan marine bacterium that uses complex polysaccharides as exclusive source of carbon and energy and plays a key role in the marine carbon cyc...

journal_title：Frontiers in microbiology

authors： Gao B,Jin M,Li L,Qu W,Zeng R

更新日期：2017-04-10 00:00:00

abstract：:In the present study, the β-glucosidase positive strain Lactobacillus plantarum F3. 3 was used as starter during the fermentation of Sicilian table olives (Nocellara Etnea cultivar) at two different salt concentrations (5 and 8%), in order to accelerate the debittering process. The latter was monitored through the inc...

journal_title：Frontiers in microbiology

authors： Pino A,Vaccalluzzo A,Solieri L,Romeo FV,Todaro A,Caggia C,Arroyo-López FN,Bautista-Gallego J,Randazzo CL

更新日期：2019-02-08 00:00:00

abstract：:Nature is a vast source of medicinal substances, including propolis, which has been extensively investigated. Propolis is a resinous substance produced by bees from the exudates of plants that they collect and modify in their jaws; it is a rich and complex matrix with secondary metabolites of diverse botanical origins...

journal_title：Frontiers in microbiology

authors： Hochheim S,Pacassa Borges P,Boeder AM,Scharf DR,Simionatto EL,Yamanaka CN,Alberton MD,Guedes A,de Cordova CMM

更新日期：2020-04-07 00:00:00

abstract：:Cellulolytic enzyme hydrolysis of lignocellulose biomass to release fermentable sugars is one of the key steps in biofuel refining. Gene expression of fungal cellulolytic enzymes is tightly controlled at the transcriptional level. Key transcription factors such as activator ClrB/CLR2 and XlnR/XYR1, as well as represso...

journal_title：Frontiers in microbiology

authors： Li Y,Zheng X,Zhang X,Bao L,Zhu Y,Qu Y,Zhao J,Qin Y

更新日期：2016-12-22 00:00:00

abstract：:In Low and Middle-Income Countries (LMIC), weaning is associated with environmentally acquired and inflammation-associated enteric disorders. Dietary intake of high amylose maize starch (HAMS) can promote commensal fermentative bacteria and drive the production of short chain fatty acids (SCFAs). By stabilizing commen...

journal_title：Frontiers in microbiology

authors： Wang Y,Mortimer EK,Katundu KGH,Kalanga N,Leong LEX,Gopalsamy GL,Christophersen CT,Richard AC,Shivasami A,Abell GCJ,Young GP,Rogers GB

更新日期：2019-06-26 00:00:00

abstract：:Campylobacter concisus is a bacterium that is associated with inflammatory bowel disease (IBD). Immunosuppressive drugs including azathioprine (AZA) and mercaptopurine (MP), and anti-inflammatory drug such as 5-aminosalicylic acid (5-ASA) are commonly used to treat patients with IBD. This study aimed to examine the ef...

journal_title：Frontiers in microbiology

authors： Liu F,Ma R,Riordan SM,Grimm MC,Liu L,Wang Y,Zhang L

更新日期：2017-03-29 00:00:00

abstract：:Application of nitrogen (N) fertilizers, predominantly as urea, is a major source of reactive N in the environment, with wide ranging effects including increased greenhouse gas accumulation in the atmosphere and aquatic eutrophication. The soil microbial community is the principal driver of soil N cycling; thus, impro...

journal_title：Frontiers in microbiology

authors： Staley C,Breuillin-Sessoms F,Wang P,Kaiser T,Venterea RT,Sadowsky MJ

更新日期：2018-04-04 00:00:00

abstract：:The existence of an antisense Open Reading Frame (ORF) that encodes a putative AntiSense Protein (ASP) on the proviral genome of Human Immunodeficiency Virus type 1 (HIV-1) was a source of debate for 30 years. During the last years, some progresses have been made to characterize the cellular immune response against AS...

journal_title：Frontiers in microbiology

authors： Savoret J,Chazal N,Moles JP,Tuaillon E,Boufassa F,Meyer L,Lecuroux C,Lambotte O,Van De Perre P,Mesnard JM,Gross A

更新日期：2020-01-24 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：:To obtain full details of gut microbiota, including bacteria, fungi, bacteriophages, and helminths, in giant pandas (GPs), we created a comprehensive microbial genome database and used metagenomic sequences to align against the database. We delineated a detailed and different gut microbiota structures of GPs. A total ...

journal_title：Frontiers in microbiology

authors： Yang S,Gao X,Meng J,Zhang A,Zhou Y,Long M,Li B,Deng W,Jin L,Zhao S,Wu D,He Y,Li C,Liu S,Huang Y,Zhang H,Zou L

更新日期：2018-07-31 00:00:00

abstract：:Pullulanase plays an important role as a starch hydrolysis enzyme in the production of bio-fuels and animal feed, and in the food industry. Compared to the methods currently used for pullulanase production, synthesis by Bacillus subtilis would be safer and easier. However, the current yield of pullulanase from B. subt...

journal_title：Frontiers in microbiology

authors： Meng F,Zhu X,Nie T,Lu F,Bie X,Lu Y,Trouth F,Lu Z

更新日期：2018-11-02 00:00:00

abstract：:The tropical pathogen Burkholderia pseudomallei requires long-term parenteral antimicrobial treatment to eradicate the pathogen from an infected patient. However, the development of antibiotic resistance is emerging as a threat to this form of treatment. To meet the need for alternative therapeutics, we proposed a scr...

journal_title：Frontiers in microbiology

authors： Eng SA,Nathan S

更新日期：2015-04-10 00:00:00

abstract：:The aquatic bird, egret, could carry antibiotic resistance (AR) from a contaminated waterway (Jin River, Chengdu, China) into the surrounding environment (Wangjianglou Park). A systematic study was carried out on the unique environmental dissemination mode of AR mediated by birds. The minimum inhibitory concentrations...

journal_title：Frontiers in microbiology

authors： Wu J,Huang Y,Rao D,Zhang Y,Yang K

更新日期：2018-04-20 00:00:00

abstract：:Removal of carbon through the precipitation and burial of calcium carbonate in marine sediments constitutes over 70% of the total carbon on Earth and is partitioned between coastal and pelagic zones. The precipitation of authigenic calcium carbonate in seawater, however, has been hotly debated because despite being in...

journal_title：Frontiers in microbiology

authors： Lisle JT,Robbins LL

更新日期：2016-12-09 00:00:00

abstract：:The virulence factor PgtE is an outer membrane protease (omptin) of the zoonotic pathogen Salmonella enterica that causes diseases ranging from gastroenteritis to severe enteric fever. It is surface exposed in bacteria that have a short-chain, i.e., rough LPS, as observed e.g., in bacteria residing inside macrophages ...

journal_title：Frontiers in microbiology

authors： Riva R,Korhonen TK,Meri S

更新日期：2015-02-06 00:00:00

abstract：:The use of antibiotics in farm management (growing crops and raising animals) has become a major area of concern. Its implications is the consequent emergence of antibiotic resistant bacteria (ARB) and accordingly their access into the human food chain with passage of antibiotic resistance genes (ARG) to the normal hu...

journal_title：Frontiers in microbiology

authors： Osman K,Badr J,Al-Maary KS,Moussa IM,Hessain AM,Girah ZM,Abo-Shama UH,Orabi A,Saad A

更新日期：2016-11-22 00:00:00

abstract：:Current notion presumes that only one protein is encoded at a given bacterial genetic locus. However, transcription and translation of an overlapping open reading frame (ORF) of 186 bp length were discovered by RNAseq and RIBOseq experiments. This ORF is almost completely embedded in the annotated L,D-transpeptidase g...

journal_title：Frontiers in microbiology

authors： Hücker SM,Vanderhaeghen S,Abellan-Schneyder I,Scherer S,Neuhaus K

更新日期：2018-05-14 00:00:00

abstract：:Bacteria, like all cells, must precisely duplicate their genomes before they divide. Regulation of this critical process focuses on forming a pre-replicative nucleoprotein complex, termed the orisome. Orisomes perform two essential mechanical tasks that configure the unique chromosomal replication origin, oriC to star...

journal_title：Frontiers in microbiology

authors： Leonard AC,Rao P,Kadam RP,Grimwade JE

更新日期：2019-08-29 00:00:00

abstract：:Cross-talk between the gut microbiota and neurochemicals affects health and well-being of animals. However, little is known about this interaction in chickens despite their importance in food production. Probiotics and live Salmonella vaccines are microbial products commonly given orally to layer pullets to improve he...

journal_title：Frontiers in microbiology

authors： Redweik GAJ,Daniels K,Severin AJ,Lyte M,Mellata M

更新日期：2020-01-15 00:00:00

abstract：:DsrAB-type dissimilatory sulfite reductase is a key enzyme of microbial sulfur-dependent energy metabolism. Sulfur oxidizers also contain DsrL, which is essential for sulfur oxidation in Allochromatium vinosum. This NAD(P)H oxidoreductase acts as physiological partner of oxidative-type rDsrAB. Recent analyses uncovere...

journal_title：Frontiers in microbiology

authors： Löffler M,Wallerang KB,Venceslau SS,Pereira IAC,Dahl C

更新日期：2020-10-16 00:00:00

abstract：:Multidrug-resistant tuberculosis (TB), defined as TB resistant to the two first-line drugs, isoniazid and rifampin, is a serious challenge to global TB eradication efforts. Although mutations in rpoA or rpoC have been proposed to compensate for this fitness cost due to rpoB mutation in rifampicin-resistant Mycobacteri...

journal_title：Frontiers in microbiology

authors： Xu Z,Zhou A,Wu J,Zhou A,Li J,Zhang S,Wu W,Karakousis PC,Yao YF

更新日期：2018-11-30 00:00:00

abstract：:The structure and function of the plant microbiome is driven by plant species and prevailing environmental conditions. Effectuated by breeding efforts, modern crops diverge genetically and phenotypically from their wild relatives but little is known about consequences for the associated microbiota. Therefore, we studi...

journal_title：Frontiers in microbiology

authors： Zachow C,Müller H,Tilcher R,Berg G

更新日期：2014-08-26 00:00:00