Factors influencing the diversity of iron uptake systems in aquatic microorganisms.

abstract：:Previous studies showed differences in the regulatory response to C/N balance in Prochlorococcus with respect to other cyanobacteria, but no information was available about its causes, or the ecological advantages conferred to thrive in oligotrophic environments. We addressed the changes in key enzymes (glutamine synt...

journal_title：Frontiers in microbiology

authors： Domínguez-Martín MA,López-Lozano A,Clavería-Gimeno R,Velázquez-Campoy A,Seidel G,Burkovski A,Díez J,García-Fernández JM

更新日期：2018-01-09 00:00:00

abstract：:Routine microbiological quality analyses in food samples require, in some cases, an initial incubation in pre-enrichment medium. This is necessary in order to ensure that small amounts of pathogenic strains are going to be detected. In this work, a universal pre-enrichment medium has been developed for the simultaneou...

journal_title：Frontiers in microbiology

authors： Villamizar-Rodríguez G,Fernández J,Marín L,Muñiz J,González I,Lombó F

更新日期：2015-11-03 00:00:00

abstract：:This study was conducted to determine the antifungal activity of the metabolites from Streptomyces sp. 3-10, and to purify and identify the metabolites. Meanwhile, the taxonomic status of strain 3-10 was re-evaluated. The cultural filtrates of strain 3-10 in potato dextrose broth were extracted with ethyl acetate. The...

journal_title：Frontiers in microbiology

authors： Lyu A,Liu H,Che H,Yang L,Zhang J,Wu M,Chen W,Li G

更新日期：2017-04-03 00:00:00

abstract：:(S)-equol is one of the major metabolites of daidzein that is produced by human and animal gut bacteria. Most of the physiological functions of soybean isoflavones, such as anti-oxidative activity, anti-cancer activity, and cardiovascular protection have been ascribed to (S)-equol. However, only 30-50% people contain ...

journal_title：Frontiers in microbiology

authors： Li H,Mao S,Chen H,Zhu L,Liu W,Wang X,Yin Y

更新日期：2018-06-04 00:00:00

abstract：:Grapholita molesta, the oriental fruit moth, is a serious global pest of many Rosaceae fruit trees. Gut microorganisms play important roles in host nutrition, digestion, detoxification, and resistance to pathogens. However, there are few studies on the microbiota of G. molesta, particularly during metamorphosis. Here,...

journal_title：Frontiers in microbiology

authors： Wang X,Sun S,Yang X,Cheng J,Wei H,Li Z,Michaud JP,Liu X

更新日期：2020-06-30 00:00:00

abstract：:Protein export in bacteria is facilitated by the canonical SecB chaperone, which binds to unfolded precursor proteins, maintains them in a translocation competent state and specifically cooperates with the translocase motor SecA to ensure their proper targeting to the Sec translocon at the cytoplasmic membrane. Beside...

journal_title：Frontiers in microbiology

authors： Sala A,Bordes P,Genevaux P

更新日期：2014-12-05 00:00:00

abstract：:Perennial ryegrass (Lolium perenne) is an important forage grass with high yield and superior quality in temperate regions which is widely used in parks, sport field, and other places. However, perennial ryegrass is moderately tolerant to salinity stress compared to other commercial cultivars and salt stress reduces t...

journal_title：Frontiers in microbiology

authors： Li X,Han S,Wang G,Liu X,Amombo E,Xie Y,Fu J

更新日期：2017-09-04 00:00:00

abstract：:Dental caries and periodontitis are the most common oral disease of all age groups, affecting billions of people worldwide. These oral diseases are mostly associated with microbial biofilms in the oral cavity. Streptococcus gordonii, an early tooth colonizing bacterium and Candida albicans, an opportunistic pathogenic...

journal_title：Frontiers in microbiology

authors： Veerapandian R,Vediyappan G

更新日期：2019-10-11 00:00:00

abstract：:Flor strains of Saccharomyces cerevisiae are principal microbial agents responsible for biological wine aging used for production of sherry-like wines. The flor yeast velum formed on the surface of fortified fermented must is a major adaptive and technological characteristic of flor yeasts that helps them to withstand...

journal_title：Frontiers in microbiology

authors： Mardanov AV,Eldarov MA,Beletsky AV,Tanashchuk TN,Kishkovskaya SA,Ravin NV

更新日期：2020-04-03 00:00:00

abstract：:Climate change is affecting the amount and complexity of plant inputs to tropical forest soils. This is likely to influence the carbon (C) balance of these ecosystems by altering decomposition processes e.g., "positive priming effects" that accelerate soil organic matter mineralization. However, the mechanisms determi...

journal_title：Frontiers in microbiology

authors： Whitaker J,Ostle N,McNamara NP,Nottingham AT,Stott AW,Bardgett RD,Salinas N,Ccahuana AJ,Meir P

更新日期：2014-12-18 00:00:00

abstract：:Oncolytic viruses (OVs) induce antitumor effect by both direct lysis of target cells and eliciting immunogenic response to the virus and ultimately to the target cells. These viruses are usually natural human pathogens. Bacteriophages are natural pathogens of bacteria that do not infect human and have greater advantag...

journal_title：Frontiers in microbiology

authors： Hwang YJ,Myung H

更新日期：2020-09-24 00:00:00

abstract：:[This corrects the article on p. 1733 in vol. 7, PMID: 27877157.]. ...

journal_title：Frontiers in microbiology

authors： Canovas J,Baldry M,Bojer MS,Andersen PS,Grzeskowiak PK,Stegger M,Damborg P,Olsen CA,Ingmer H

更新日期：2017-06-08 00:00:00

abstract：:Colonies are an abundant form of bacterial multicellularity; however, relatively little is known about the initial stages of their construction. We have previously described that colony development of the soil bacterium Bacillus subtilis is a highly ordered process, typically initiating with the formation of extending...

journal_title：Frontiers in microbiology

authors： Mamou G,Fiyaksel O,Sinai L,Ben-Yehuda S

更新日期：2017-10-24 00:00:00

abstract：:Fusarium wilt is a devastating soil-borne fungal disease caused by Fusarium oxysporum f.sp. cubense (Foc). In recent years, some antifungal bacteria have been applied for the prevention and biocontrol of pathogenic fungi. In our study, a bacterial strain HQB-1, isolated from banana rhizosphere soil, was cultured for i...

journal_title：Frontiers in microbiology

authors： Xu Z,Wang M,Du J,Huang T,Liu J,Dong T,Chen Y

更新日期：2020-12-10 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：:Reversible protein phosphorylation, regulated by protein kinases and phosphatases, mediates a switch between protein activity and cellular pathways that contribute to a large number of cellular processes. The Mycobacterium tuberculosis genome encodes 11 Serine/Threonine kinases (STPKs) which show close homology to euk...

journal_title：Frontiers in microbiology

authors： Fortuin S,Tomazella GG,Nagaraj N,Sampson SL,Gey van Pittius NC,Soares NC,Wiker HG,de Souza GA,Warren RM

更新日期：2015-02-10 00:00:00

abstract：:Weaning is one of the most stressful challenges in the pig's life, which contributes to dysfunctions of intestinal and immune system, disrupts the gut microbial ecosystem, and therefore compromises the growth performance and health of piglets. To mitigate the negative impact of the stress on early-weaned piglets, effe...

journal_title：Frontiers in microbiology

authors： Xu J,Li Y,Yang Z,Li C,Liang H,Wu Z,Pu W

更新日期：2018-08-23 00:00:00

abstract：Background:Black shank, caused by the oomycete pathogen Phytophthora nicotianae, is responsible for huge economic losses worldwide. Research has focused on biocontrol to prevent disease and to minimize the use of synthetic fungicides. Methods:We explored and compared the efficacy of suppressive microflora cultured fro...

journal_title：Frontiers in microbiology

authors： Liu T,Xiao Y,Yin J,Yi T,Zhou Z,Hsiang T,Tang Q,Chen W

更新日期：2020-05-15 00:00:00

abstract：:Crimean-Congo hemorrhagic fever (CCHF) is a re-emerging zoonotic viral disease prevalent in many parts of Asia, Europe, and Africa. The causative agent, Crimean-Congo hemorrhagic fever orthonairovirus (CCHFV), is transmitted through hard ticks. Tick vectors especially belonging to the Hyalomma species serve as the res...

journal_title：Frontiers in microbiology

authors： Shrivastava N,Shrivastava A,Ninawe SM,Sharma S,Kumar JS,Alam SI,Kanani A,Sharma SK,Dash PK

更新日期：2019-08-23 00:00:00

abstract：:Dairy goat and sheep farms suffer severe economic losses due to intramammary infections, with Staphylococcus aureus representing the main cause of clinical mastitis in small ruminants. In addition, S. aureus contamination of goat and sheep milk may cause staphylococcal food poisoning, as many traditional caprine and o...

journal_title：Frontiers in microbiology

authors： Merz A,Stephan R,Johler S

更新日期：2016-03-14 00:00:00

abstract：:Human endogenous retroviruses (ERVs) have been found to be associated with different diseases, e.g., multiple sclerosis (MS). Most human ERVs integrated in our genome are not competent to replicate and these sequences are presumably silent. However, transcription of human ERVs can be reactivated, e.g., by hypoxia. Int...

journal_title：Frontiers in microbiology

authors： Brütting C,Narasimhan H,Hoffmann F,Kornhuber ME,Staege MS,Emmer A

更新日期：2018-02-21 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：: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：Objectives:Serological tests for COVID-19 have been instrumental in studying the epidemiology of the disease. However, the performance of the currently available tests is plagued by the problem of variability. We have developed a high-throughput serological test capable of simultaneously detecting total immunoglobulins...

journal_title：Frontiers in microbiology

authors： Kubo S,Ohtake N,Miyakawa K,Jeremiah SS,Yamaoka Y,Murohashi K,Hagiwara E,Mihara T,Goto A,Yamazaki E,Ogura T,Kaneko T,Yamanaka T,Ryo A

更新日期：2021-01-15 00:00:00

abstract：:About half of seaweed biomass is composed of polysaccharides. Most of these complex polymers have a marked polyanionic character. For instance, the red algal cell wall is mainly composed of sulfated galactans, agars and carrageenans, while brown algae contain alginate and fucose-containing sulfated polysaccharides (FC...

journal_title：Frontiers in microbiology

authors： Gobet A,Barbeyron T,Matard-Mann M,Magdelenat G,Vallenet D,Duchaud E,Michel G

更新日期：2018-11-22 00:00:00

abstract：:Shiga toxin (Stx) producing E. coli (STEC) such as Enterohemorrhagic E. coli (EHEC) are the major cause of foodborne illness in humans. In vitro studies showed the probiotic Escherichia coli strain Nissle 1917 (EcN) to efficiently inhibit the production of Stx. Life threatening EHEC strains as for example the serotype...

journal_title：Frontiers in microbiology

authors： Bury S,Soundararajan M,Bharti R,von Bünau R,Förstner KU,Oelschlaeger TA

更新日期：2018-05-29 00:00:00

abstract：:Leaf-cutter ants in the genus Atta are dominant herbivores in the Neotropics. While most species of Atta cut dicots to incorporate into their fungus gardens, some species specialize on grasses. Here we examine the bacterial community associated with the fungus gardens of grass- and dicot-cutter ants to examine how cha...

journal_title：Frontiers in microbiology

authors： Khadempour L,Fan H,Keefover-Ring K,Carlos-Shanley C,Nagamoto NS,Dam MA,Pupo MT,Currie CR

更新日期：2020-09-24 00:00:00

abstract：:Klebsiella spp. have been isolated from many different environmental habitats but have mainly been associated with nosocomial acquired diseases in humans. Although there are many recently published sequenced genomes of members of this genus, there are very few studies on whole genome comparisons between clinical and n...

journal_title：Frontiers in microbiology

authors： Dantur KI,Chalfoun NR,Claps MP,Tórtora ML,Silva C,Jure Á,Porcel N,Bianco MI,Vojnov A,Castagnaro AP,Welin B

更新日期：2018-07-16 00:00:00

abstract：:The capacity to distinguish between living and dead cells is an important, but often unrealized, attribute of rapid detection methods for foodborne pathogens. In this study, the numbers of enterohemorrhagic Escherichia coli O157:H7 after inoculation onto Romaine lettuce plants and on plastic (abiotic) surfaces were me...

journal_title：Frontiers in microbiology

authors： Ju W,Moyne AL,Marco ML

更新日期：2016-02-26 00:00:00

abstract：:Fluoroquinolone resistance can cause major clinical problems. Here, we investigated fluoroquinolone resistance mechanisms in a clinical Escherichia coli isolate, HUE1, which had no mutations quinolone resistance-determining regions (QRDRs) of DNA gyrase and topoisomerase IV. HUE1 demonstrated MICs that exceeded the br...

journal_title：Frontiers in microbiology

authors： Sato T,Yokota S,Uchida I,Okubo T,Usui M,Kusumoto M,Akiba M,Fujii N,Tamura Y

更新日期：2013-05-24 00:00:00