Functional Analysis of the Citrate Activator CitO from Enterococcus faecalis Implicates a Divalent Metal in Ligand Binding.

abstract：:This study aimed to investigate antimicrobial resistance and molecular epidemiology of extended-spectrum β-lactamase (ESBL)-producing Escherichia coli (E. coli) isolated from outpatients in town hospitals of Shandong province, China. Antimicrobial susceptibility of ESBL-producing E. coli was tested using the disk diff...

journal_title：Frontiers in microbiology

authors： Miao Z,Li S,Wang L,Song W,Zhou Y

更新日期：2017-01-24 00:00:00

abstract：:We report the case of a patient with acute necrotizing colitis due to invasive amebiasis associated with CD4 lymphopenia and impaired neutrophil responses. The course of the disease was characterized by CMV reactivation and severe and recurrent bacterial and fungal infections, which might be related to the decreased C...

journal_title：Frontiers in microbiology

authors： Ghrenassia E,Guihot A,Dong Y,Robinet P,Fontaine T,Lacombe K,Lescot T,Meyohas MC,Elbim C

更新日期：2017-02-13 00:00:00

abstract：:Bacillus amyloliquefaciens SQR9 exhibited predominantly antagonistic activities against a broad range of soilborne pathogens. The fungi-induced SQR9 extracts possess stronger antifungal activities compared with SQR9 monoculture extracts. To investigate how SQR9 fine-tunes lipopeptides (LPs) and a siderophore bacilliba...

journal_title：Frontiers in microbiology

authors： Li B,Li Q,Xu Z,Zhang N,Shen Q,Zhang R

更新日期：2014-11-21 00:00:00

abstract：:Plant defensins are active against plant and human pathogenic fungi (such as Candida albicans) and baker's yeast. However, they are non-toxic to human cells, providing a possible source for treatment of fungal infections. In this study, we characterized the mode of action of the antifungal plant defensin HsAFP1 from c...

journal_title：Frontiers in microbiology

authors： Aerts AM,Bammens L,Govaert G,Carmona-Gutierrez D,Madeo F,Cammue BP,Thevissen K

更新日期：2011-03-16 00:00:00

abstract：:Antibiotic resistance is a problem for human health, and consequently, its study had been traditionally focused toward its impact for the success of treating human infections in individual patients (individual health). Nevertheless, antibiotic-resistant bacteria and antibiotic resistance genes are not confined only to...

journal_title：Frontiers in microbiology

authors： Hernando-Amado S,Coque TM,Baquero F,Martínez JL

更新日期：2020-08-28 00:00:00

abstract：:The Nanhai No. 1 shipwreck is a Chinese merchant ship in the Southern Song Dynasty, and now it is stored in a huge enclosed glass warehouse in Maritime Silk Road Museum in Guangdong Province. At present, the hull of the Nanhai No. 1 shipwreck is still being excavated, and a small part of the hull wood is soaked in a s...

journal_title：Frontiers in microbiology

authors： Han Y,Huang X,Wang Y,Du J,Ma K,Chen Y,Li N,Zhang Z,Pan J

更新日期：2021-01-15 00:00:00

abstract：:The deadwood mycobiome, also known as wood-inhabiting fungi (WIF), are among the key players in wood decomposition, having a large impact on nutrient cycling in forest soils. However, our knowledge of WIF richness and distribution patterns in different forest biomes is limited. Here, we used pyrotag sequencing of the ...

journal_title：Frontiers in microbiology

authors： Purahong W,Pietsch KA,Lentendu G,Schöps R,Bruelheide H,Wirth C,Buscot F,Wubet T

更新日期：2017-04-19 00:00:00

abstract：:Much of the mitogenome variation observed in fungal lineages seems driven by mobile genetic elements (MGEs), which have invaded their genomes throughout evolution. The variation in the distribution and nucleotide diversity of these elements appears to be the main distinction between different fungal taxa, making them ...

journal_title：Frontiers in microbiology

authors： Kulik T,Brankovics B,van Diepeningen AD,Bilska K,Żelechowski M,Myszczyński K,Molcan T,Stakheev A,Stenglein S,Beyer M,Pasquali M,Sawicki J,Wyrȩbek J,Baturo-Cieśniewska A

更新日期：2020-05-25 00:00:00

abstract：:Melanization due to the inactivation of the homogentisate-1,2-dioxygenase gene (hmgA) has been demonstrated to increase stress resistance, persistence, and virulence in some bacterial species but such pigmented mutants have not been observed in pathogenic members of the Vibrio Harveyi clade. In this study, we used Vib...

journal_title：Frontiers in microbiology

authors： Wang Z,Lin B,Mostaghim A,Rubin RA,Glaser ER,Mittraparp-Arthorn P,Thompson JR,Vuddhakul V,Vora GJ

更新日期：2013-12-11 00:00:00

abstract：:Fungi transcriptionally upregulate expression of azole efflux pumps and ergosterol biosynthesis pathway genes when exposed to antifungal agents that target ergosterol biosynthesis. To date, these transcriptional responses have been shown to be dependent on the presence of the azoles and/or depletion of ergosterol. Usi...

journal_title：Frontiers in microbiology

authors： Hu C,Zhou M,Wang W,Sun X,Yarden O,Li S

更新日期：2018-01-17 00:00:00

abstract：:Polymerase basic protein 1 (PB1), the catalytic core of the influenza A virus RNA polymerase complex, is essential for viral transcription and replication. Dendritic cells (DCs) possess important antigen presenting ability and a crucial role in recognizing and clearing virus. MicroRNA (miRNA) influence the development...

journal_title：Frontiers in microbiology

authors： Lin J,Xia J,Tu CZ,Zhang KY,Zeng Y,Yang Q

更新日期：2017-03-22 00:00:00

abstract：:Vibrio vulnificus (Vv) is a multi-host pathogenic species currently subdivided into three biotypes (Bts). The three Bts are human-pathogens, but only Bt2 is also a fish-pathogen, an ability that is conferred by a transferable virulence-plasmid (pVvbt2). Here we present a phylogenomic analysis from the core genome of 8...

journal_title：Frontiers in microbiology

authors： Roig FJ,González-Candelas F,Sanjuán E,Fouz B,Feil EJ,Llorens C,Baker-Austin C,Oliver JD,Danin-Poleg Y,Gibas CJ,Kashi Y,Gulig PA,Morrison SS,Amaro C

更新日期：2018-01-05 00:00:00

abstract：:Outbreaks of foodborne illnesses linked to fresh fruits and vegetables have been key drivers behind a wide breadth of research aiming to fill data gaps in our understanding of the total ecology of agricultural water sources such as ponds and wells and the relationship of this ecology to foodborne pathogens such as Sal...

journal_title：Frontiers in microbiology

authors： Gu G,Strawn LK,Ottesen AR,Ramachandran P,Reed EA,Zheng J,Boyer RR,Rideout SL

更新日期：2021-01-08 00:00:00

abstract：:The Streptococcus bovis/Streptococcus equinus complex (SBSEC) comprises several species inhabiting the animal and human gastrointestinal tract (GIT). They match the pathobiont description, are potential zoonotic agents and technological organisms in fermented foods. SBSEC members are associated with multiple diseases ...

journal_title：Frontiers in microbiology

authors： Jans C,Boleij A

更新日期：2018-04-10 00:00:00

abstract：:Background: Acute respiratory infections (ARIs) are the leading indication for antibacterial prescriptions despite a viral etiology in the majority of cases. The lack of available diagnostics to discriminate viral and bacterial etiologies contributes to this discordance. Recent efforts have focused on the host respons...

journal_title：Frontiers in microbiology

authors： Poore GD,Ko ER,Valente A,Henao R,Sumner K,Hong C,Burke TW,Nichols M,McClain MT,Huang ES,Ginsburg GS,Woods CW,Tsalik EL

更新日期：2018-12-11 00:00:00

abstract：:A better understanding of global ruminal microbiota and metabolites under extensive feeding conditions is a prerequisite for optimizing rumen function and improving ruminant feed efficiency. Furthermore, the gap between the information on the ruminal microbiota and metabolites needs to be bridged. The aim of this stud...

journal_title：Frontiers in microbiology

authors： Zhang J,Shi H,Wang Y,Li S,Cao Z,Ji S,He Y,Zhang H

更新日期：2017-11-09 00:00:00

abstract：:Bifidobacterium represents a genus within the phylum Actinobacteria which is one of the major phyla in the healthy intestinal tract of humans. Bifidobacterium is one of the most abundant genera in adults, but its predominance is even more pronounced in infants, especially during lactation, when they can constitute the...

journal_title：Frontiers in microbiology

authors： Ruiz L,Delgado S,Ruas-Madiedo P,Sánchez B,Margolles A

更新日期：2017-12-04 00:00:00

abstract：:Host-cell expression of the ezrin protein is required for CXCR4 (X4)-tropic HIV-1 infection. Ezrin function is regulated by phosphorylation at threonine-567. This study investigates the role of ezrin phosphorylation in HIV-1 infection and virion release. We analyzed the effects of ezrin mutations involving substitutio...

journal_title：Frontiers in microbiology

authors： Kamiyama H,Izumida M,Umemura Y,Hayashi H,Matsuyama T,Kubo Y

更新日期：2018-08-27 00:00:00

abstract：:The High Arctic is dominated by polar desert habitats whose microbial communities are poorly understood. In this study, we used next generation sequencing to describe the α- and β-diversity of microbial communities in polar desert soils from the Kongsfjorden region of Svalbard. Ten phyla dominated the soils and accoun...

journal_title：Frontiers in microbiology

authors： McCann CM,Wade MJ,Gray ND,Roberts JA,Hubert CR,Graham DW

更新日期：2016-03-31 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：:Copper mining and the byproducts associated with the industry have led to serious pollution in the Loess Plateau of China. There is a potential in improving the ecological restoration efficiency of such degraded land through combining microbial and plant remediation approaches. However, the community structure and fun...

journal_title：Frontiers in microbiology

authors： Jia T,Yao Y,Wang R,Wu T,Chai B

更新日期：2020-05-28 00:00:00

abstract：:Rice is a major staple food across the globe. Its growth and productivity is highly dependent on the rhizobiome where crosstalk takes place between plant and the microbial community. Such interactions lead to selective enrichment of plant beneficial microbes which ultimately defines the crop health and productivity. I...

journal_title：Frontiers in microbiology

authors： Imchen M,Kumavath R,Vaz ABM,Góes-Neto A,Barh D,Ghosh P,Kozyrovska N,Podolich O,Azevedo V

更新日期：2019-09-20 00:00:00

abstract：:Monascus purpureus YY-1 is widely used in food colorant production in China. Our previous study clearly illustrated the whole-genome data for YY-1 and provided useful insight into evolutionary research and industrial applications. However, the presence of citrinin, which has nephrotoxic, hepatotoxic, and carcinogenic ...

journal_title：Frontiers in microbiology

authors： Liang B,Du XJ,Li P,Sun CC,Wang S

更新日期：2018-06-28 00:00:00

abstract：:Pathogen-pathogen interactions in polymicrobial infections are known to directly impact, often to worsen, disease outcomes. For example, co-infection with Pseudomonas aeruginosa and Aspergillus fumigatus, respectively the most common bacterial and fungal pathogens isolated from cystic fibrosis (CF) airways, leads to a...

journal_title：Frontiers in microbiology

authors： Scott J,Sueiro-Olivares M,Ahmed W,Heddergott C,Zhao C,Thomas R,Bromley M,Latgé JP,Krappmann S,Fowler S,Bignell E,Amich J

更新日期：2019-10-09 00:00:00

abstract：:The viable but non-culturable (VBNC) state, as well as sublethal injury of microorganisms pose a distinct threat to food safety, as the use of traditional, culture-based microbiological analyses might lead to an underestimation or a misinterpretation of the product's microbial status and recovery phenomena of microorg...

journal_title：Frontiers in microbiology

authors： Schottroff F,Fröhling A,Zunabovic-Pichler M,Krottenthaler A,Schlüter O,Jäger H

更新日期：2018-11-20 00:00:00

abstract：:In this study, four strains of Lactobacillus casei, as viable cells or cell-free extracts (CFE), were added to elderberry juice in order to evaluate their effect on phenolic and aromatic profile. Two of them were able to grow in juice while the others showed zero-growth. The same strains were lysed and added as extrac...

journal_title：Frontiers in microbiology

authors： Ricci A,Levante A,Cirlini M,Calani L,Bernini V,Del Rio D,Galaverna G,Neviani E,Lazzi C

更新日期：2018-11-20 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：:Many bacterial pathogens use quorum-sensing (QS) signaling to regulate the expression of factors contributing to virulence and persistence. Bacteria produce signals of different chemical classes. The signal molecule, known as diffusible signal factor (DSF), is a cis-unsaturated fatty acid that was first described in t...

journal_title：Frontiers in microbiology

authors： Rahmani-Badi A,Sepehr S,Fallahi H,Heidari-Keshel S

更新日期：2015-04-28 00:00:00

abstract：:The standardization of collection and processing methods for rumen samples is crucial to reduce the level of errors that may affect the analysis and interpretation of the data. The aim of this study was to compare two processing methods and their impacts on the microbial community composition analysis, from material t...

journal_title：Frontiers in microbiology

authors： Martinez-Fernandez G,Denman SE,McSweeney CS

更新日期：2019-04-30 00:00:00

abstract：:HIV infection and illicit drugs are known to induce oxidative stress and linked with severity of viral replication, disease progression, impaired cell cycle regulation and neurodegeneration. Studies have shown that morphine accelerates HIV infection and disease progression mediated by Reactive oxygen species (ROS). Ox...

journal_title：Frontiers in microbiology

authors： Samikkannu T,Ranjith D,Rao KV,Atluri VS,Pimentel E,El-Hage N,Nair MP

更新日期：2015-06-23 00:00:00