12,252 results match your criteria FEMS microbiology letters[Journal]


Guillain-Barre Syndrome and Zika infection: Identifying leading producers, countries relative specialization, and collaboration.

FEMS Microbiol Lett 2019 Feb 13. Epub 2019 Feb 13.

Dept. Nursing and Physiotherapy, University of Cádiz, Cádiz (Spain).

Zika virus (Zikv) infection implies a significant public health issue due to the different syndromes associated. It is related to several central nervous system problems, such as microcephaly and Guillain-Barre Syndrome. In this way, the first document about the relation of Guillain-Barre Syndrome and Zika indexed in Web of Science was published in 2014. Read More

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http://dx.doi.org/10.1093/femsle/fnz035DOI Listing
February 2019

Resveratrol controls Escherichia coli growth by inhibiting the AcrAB-TolC efflux pump.

FEMS Microbiol Lett 2019 Feb 7. Epub 2019 Feb 7.

Department of Public Health Science (BK21 PLUS Program), Graduate School, Korea University, Seoul, South Korea.

Resveratrol (RSV), a phytoalexin found in grapes and other plants, is known to have antibacterial effects against Escherichia coli. In this study, we aimed to identify the target gene(s) for the antibacterial activity of RSV in E. coli. Read More

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http://dx.doi.org/10.1093/femsle/fnz030DOI Listing
February 2019

An IS26 variant with enhanced activity.

FEMS Microbiol Lett 2019 Feb 7. Epub 2019 Feb 7.

School of Life and Environmental Sciences, The University of Sydney, NSW 2006, Australia.

The insertion sequence IS26 plays a major role in the mobilization, expression and dissemination of antibiotic resistance genes in Gram negative bacteria. Though IS26 is abundant in sequenced genomes and in plasmids that harbour antibiotic resistance genes, only a few minor variations in the IS26 sequence have been recorded. The most common variant, IS26* (also known as IS15Δ1), encodes a Tnp26 transposase with a single amino acid substitution, G184N in the catalytic domain. Read More

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http://dx.doi.org/10.1093/femsle/fnz031DOI Listing
February 2019

Purification and characteristics of an aflatoxin B1 degradation enzyme isolated from Pseudomonas aeruginosa.

FEMS Microbiol Lett 2019 Feb 11. Epub 2019 Feb 11.

School of Food Science and Technology, Henan University of Technology, Zhengzhou, Henan 450001, People's Republic of China.

Aflatoxin is a highly toxic mycotoxin produced by Aspergillus flavus and A.parasitic fungus. Since it contaminates food and grain widely, it has seriously endanger the health of human beings and animals. Read More

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http://dx.doi.org/10.1093/femsle/fnz034DOI Listing
February 2019

Stable and efficient delivery of DNA to Bacillus subtilis (natto) using pLS20 conjugational transfer plasmids.

FEMS Microbiol Lett 2019 Feb 6. Epub 2019 Feb 6.

Institute for Advanced Biosciences, Keio University, 403-1 Nipponkoku, Tsuruoka-shi, Yamagata 997-0017, Japan.

Bacillus subtilis (natto) is generally regarded as a safe bacterium and used as a host for the production of several materials. However, genetic engineering of B. subtilis (natto) is not well established because of poor DNA delivery methods and the lack of a standard strain for the aim. Read More

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http://dx.doi.org/10.1093/femsle/fnz032DOI Listing
February 2019

Application of lactic acid bacteria in green biorefineries.

FEMS Microbiol Lett 2019 Jan 30. Epub 2019 Jan 30.

Section for Sustainable Biotechnology, Department of Chemistry and Bioscience, Aalborg University Copenhagen, A C Meyers Vaenge 15, 2450 Copenhagen SV, Denmark.

Lactic acid bacteria (LAB) have extensive industrial applications as producers of lactic acid, as probiotics, as biocontrol agents and as biopreservatives. LAB play a large role in food fermentation and in silage processes where crops such as grass, legumes, cereals or corn are fermented into high-moisture feed that is storable and can be used to feed cattle, sheep or other ruminants. LAB also have great applications within green biorefineries, with simultaneous production of protein-rich feed for monogastric animals, silage or feed pellets for ruminants and production of lactic acid or specific amino acids. Read More

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https://academic.oup.com/femsle/advance-article/doi/10.1093/
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http://dx.doi.org/10.1093/femsle/fnz024DOI Listing
January 2019
4 Reads

Sterol synthesis is essential for viability in the planctomycete bacterium Gemmata obscuriglobus.

FEMS Microbiol Lett 2019 Jan 30. Epub 2019 Jan 30.

Creighton University, Department of Biology, 2500 California Plaza, Omaha, NE 68178, USA.

Oxidosqualene cyclases (OSCs) are remarkable enzymes that catalyze the production of the first sterol, lanosterol, in sterol biosynthetic pathways. These reactions are present in a limited number of bacterial species unlike eukaryotic species where sterol synthesis is ubiquitous. The biological role(s) of OSCs, and the sterols produced by the different sterol biosynthetic pathways in bacteria, are not clearly understood. Read More

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http://dx.doi.org/10.1093/femsle/fnz019DOI Listing
January 2019

How to Successfully Navigating a Telephone and Video Interview.

Authors:
Bob Dolan

FEMS Microbiol Lett 2019 Feb 1. Epub 2019 Feb 1.

Global Education and Career Development, Massachusetts Institute of Technology, Cambridge MA, US.

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http://dx.doi.org/10.1093/femsle/fnz027DOI Listing
February 2019

Vaginal microbiota transplantation for the treatment of bacterial vaginosis: A conceptual analysis.

FEMS Microbiol Lett 2019 Jan 31. Epub 2019 Jan 31.

Institute of Translational Medicine, Nanchang University, Nanchang, Jiangxi 330031, PR China.

Bacterial vaginosis (BV), caused by the vaginal dysbacteriosis as well as the excessive growth of pathogenic bacteria, is a pathological condition of the vagina; its treatment using the antibiotics metronidazole or clindamycin often causes high recurrence rates. Considering the similar physiological environments of the intestinal tract and vaginal tract, as well as the pathological mechanism of intestinal infection and vaginal infection, we first propose the conception of vaginal microbiota transplantation (VMT) and discuss its potential use in BV. This review focuses on the pathology of BV and the side effects caused by its standardised treatment. Read More

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http://dx.doi.org/10.1093/femsle/fnz025DOI Listing
January 2019
1 Read

Effects of low-intensity and low-frequency ultrasound combined with tobramycin on biofilms of Extended-Spectrum Beta-Lactamases (ESBLs) Escherichia coli.

FEMS Microbiol Lett 2019 Jan 31. Epub 2019 Jan 31.

State Key Laboratory of Ultrasound Engineering in Medicine Co-Founded by Chongqing and the Ministry of Science and Technology, Chongqing Collaborative Innovation Center for Minimally-invasive and Noninvasive Medicine, College of Biomedical Engineering, Chongqing Medical University, Chongqing 400016, China.

Low-intensity and low-frequency ultrasound (LILFU) can enhance bactericidal action of antibiotics against various sensitive bacterial species. The present study investigated to clarify the effects of low-intensity and low-frequency ultrasound (LILFU) combined with tobramycin on ESBLs E.coli biofilm (a multi-drug resistant bacteria). Read More

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http://dx.doi.org/10.1093/femsle/fnz026DOI Listing
January 2019
1 Read

Biological activities associated with the volatile compound 2,5-bis(1-methylethyl)-pyrazine.

FEMS Microbiol Lett 2019 Jan 29. Epub 2019 Jan 29.

Department of Microbial Ecology, Netherlands Institute of Ecology (NIOO-KNAW), PO BOX 50, 6700 AB Wageningen, the Netherlands.

Pyrazines are 1,4- diazabenzene based volatile organic compounds and known for their broad-spectrum antimicrobial activity. In the present study we assessed the antimicrobial activity of 2,5-bis(1-methylethyl)-pyrazine, produced by Paenibacillus sp. AD87 during co-culture with Burkholderia sp. Read More

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http://dx.doi.org/10.1093/femsle/fnz023DOI Listing
January 2019
3 Reads

Golden Gate based metabolic engineering strategy for wild-type strains of Yarrowia lipolytica.

FEMS Microbiol Lett 2019 Jan 29. Epub 2019 Jan 29.

CD-Laboratory for Biotechnology of Glycerol, Department of Biotechnology, BOKU-VIBT, University of Natural Resources and Life Sciences Vienna, Austria.

The yeast Yarrowia lipolytica represents a future microbial cell factory for numerous applications in a bio-based economy. Outstanding feature of this yeast is the metabolic flexibility in utilizing various substrates (sugars, fatty acids, glycerol, etc.). Read More

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http://dx.doi.org/10.1093/femsle/fnz022DOI Listing
January 2019

The signatures of microorganisms and of human and environmental biomes can now be used to provide evidence in legal cases.

Authors:
A H Bishop

FEMS Microbiol Lett 2019 Jan 28. Epub 2019 Jan 28.

School of Biological and Marine Sciences, University of Plymouth, Devon, PL1 5LQ, U.K.

The microorganisms with which we share our world go largely un-noticed. We are, however, beginning to be able to exploit their apparently silent presence as witnesses to events that are of legal concern. This information can be used to link forensic samples to criminal events and even perpetrators. Read More

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https://academic.oup.com/femsle/advance-article/doi/10.1093/
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http://dx.doi.org/10.1093/femsle/fnz021DOI Listing
January 2019
3 Reads

Antagonistic activity of a novel antifungalmycin N2 from Streptomyces sp. N2 and its biocontrol efficacy against Rhizoctonia solani.

FEMS Microbiol Lett 2019 Jan 23. Epub 2019 Jan 23.

Jiangxi Engineering Laboratory for the Development and Utilization of Agricultural Microbial Resources, Jiangxi Agricultural University, Nanchang 330045, China.

Antifungalmycin N2 (3-methyl-3,5-amino-4-vinyl-2-pyrone, C6H7O2N) is a novel bioactive substance produced by Streptomyces sp. N2. In the present work, the antagonistic activity of antifungalmycin N2 and its biocontrol efficacy on Rhizoctonia solani were carried out to evaluate its potential as a biocontrol agent against fungal plant diseases. Read More

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https://academic.oup.com/femsle/advance-article/doi/10.1093/
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http://dx.doi.org/10.1093/femsle/fnz018DOI Listing
January 2019
7 Reads

High frequency of coagulase-positive staphylococci carriage in healthy wild boar with detection of MRSA of lineage ST398-t011.

FEMS Microbiol Lett 2019 Jan 25. Epub 2019 Jan 25.

Área de Bioquímica y Biología Molecular, Universidad de La Rioja, Logroño, Spain.

The objective was to determine the frequency and the diversity of coagulase-positive staphylococci (CoPS) in nasal samples of healthy wild boar, to study their resistance phenotypes/genotypes and to check the occurrence of the MRSA-ST398. Nasal samples of 371 wild boars were collected in Spain for staphylococci and MRSA recovery. Staphylococci identification was performed by MALDI-TOF. Read More

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http://dx.doi.org/10.1093/femsle/fny292DOI Listing
January 2019

16S rRNA gene based bacterial community structure of wastewater treatment plant effluents.

FEMS Microbiol Lett 2019 Jan 23. Epub 2019 Jan 23.

Department of Biology, Maynooth University, Maynooth, Co. Kildare, Ireland.

There is little known about the wastewater treatment plant (WWTP) effluent microbiome, its structure and dynamics. Here we provide a study of the microbiome of effluent leaving conventional WWTPs and entering the water environment. DNA was extracted from WWTP effluent samples collected in 2015 and 2016. Read More

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http://dx.doi.org/10.1093/femsle/fnz017DOI Listing
January 2019

Spotlight on… Regine Hengge.

Authors:
Regine Hengge

FEMS Microbiol Lett 2019 Jan;366(2)

Institute of Biology/Microbiology, Humboldt-Universität zu Berlin, 10115 Berlin, Germany.

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http://dx.doi.org/10.1093/femsle/fny293DOI Listing
January 2019
1 Read

Identification of novel protein domain for sialyloligosaccharide binding essential to Mycoplasma mobile gliding.

FEMS Microbiol Lett 2019 Jan 21. Epub 2019 Jan 21.

Graduate School of Science, Osaka City University, Osaka, 558-8585, Japan.

Sialic acids, terminal structures of sialylated glycoconjugates, are widely distributed in animal tissues and are often involved in intercellular recognitions, including some bacteria and viruses. Mycoplasma mobile, a fish pathogenic bacterium, binds to sialyloligosaccharide (SO) through adhesin Gli349 and glides on host cell surfaces. The amino acid sequence of Gli349 shows no similarity to known SO binding proteins. Read More

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http://dx.doi.org/10.1093/femsle/fnz016DOI Listing
January 2019
1 Read

Alkyl hydroperoxide reductase (AhpCD) is important for oxidative stress resistance and symbiosis in Azorhizobium caulinodans.

FEMS Microbiol Lett 2019 Jan 17. Epub 2019 Jan 17.

Department of Microbiology, College of Life Sciences, Nanjing Agricultural University, 210095, Nanjing, PR China.

Reactive oxygen species (ROS) are not only toxic products of oxygen from aerobic metabolism or stress but also signalling molecules involved in the development of the legume-Rhizobium symbiosis. To assess the importance of alkyl hydroperoxide reductase (AhpCD) in the nitrogen-fixating bacterium Azorhizobium caulinodans, we investigated the phenotypes of the ∆ahpCD strain with regards to ROS resistance and symbiotic interactions with Sesbania rostrata. The ∆ahpCD strain was notably more sensitive than its parent strain to hydrogen peroxide (H2O2) but not to two organic peroxides, in the early log phase. Read More

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http://dx.doi.org/10.1093/femsle/fnz014DOI Listing
January 2019

Transmission mode is associated with environment type and taxa across bacteria-eukaryote symbioses: a systematic review and meta-analysis.

Authors:
Shelbi L Russell

FEMS Microbiol Lett 2019 Jan 16. Epub 2019 Jan 16.

Department of Molecular Cell and Developmental Biology; University of California, Santa Cruz; Santa Cruz, California, 95060; United States of America.

Symbiotic associations between bacteria and eukaryotes exhibit a range of transmission strategies. The rates and distributions of transmission modes have not been thoroughly investigated across associations, despite their consequences on symbiont and host evolution. To address this empirically, I compiled data from the literature on bacteria-multicellular eukaryote associations for which transmission mode data was available. Read More

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http://dx.doi.org/10.1093/femsle/fnz013DOI Listing
January 2019
1 Read

Bacterial community and metabolome shifts in the cecum and colon of captive sika deer (Cervus nippon) from birth to post weaning.

FEMS Microbiol Lett 2019 Jan 14. Epub 2019 Jan 14.

Department of Special Economic Animal Nutrition and Feed Science, Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun, China.

Ruminant productivity is associated with the gastrointestinal tract bacterial community, which matures progressively with animal growth. However, knowledge of the bacteriome and metabolome dynamics in cecum and colon during the early lives of neonatal ruminants is limited. Thus, we examined the bacteriome and metabolomes of the cecum and colon in neonatal sika deer at days 1, 42 and 70. Read More

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http://dx.doi.org/10.1093/femsle/fnz010DOI Listing
January 2019
10 Reads

Harley william moon (1936-2018).

FEMS Microbiol Lett 2019 Jan 16. Epub 2019 Jan 16.

Institute for Veterinary Medical Research, CAR, Hungarian Academy of Sciences, Budapest, Hungary.

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http://dx.doi.org/10.1093/femsle/fnz012DOI Listing
January 2019
2 Reads

Regulatory associations between the metabolism of sulfur-containing amino acids and xanthan biosynthesis in Xanthomonas campestris pv. campestris B100.

FEMS Microbiol Lett 2019 Jan;366(2)

Department of Proteome and Metabolome Research - Bio27, Faculty of Biology, Centrum für Biotechnologie, Universität Bielefeld, Universitätsstr. 25, 33615 Bielefeld, Germany.

The γ-proteobacterium Xanthomonas campestris pv. campestris (Xcc) B100 synthesizes the exopolysaccharide xanthan, a commercially relevant thickening agent produced commonly by industrial scale fermentation. This work was inspired by the observation that methionine is an inhibitor of xanthan formation in growth experiments. Read More

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http://dx.doi.org/10.1093/femsle/fnz005DOI Listing
January 2019

A novel monoclonal antibody against enolase antigen of Aspergillus fumigatus protects experimental aspergillosis in mice.

FEMS Microbiol Lett 2019 Jan 16. Epub 2019 Jan 16.

Division of Microbiology, CSIR-Central Drug Research Institute, Sector 10, Jankipuram Extension, Sitapur Road, Lucknow-226031, India.

Aspergillus fumigatus is one of the most common opportunistic fungal pathogen responsible for a variety of diseases in human from allergic bronchopulmonary aspergillosis to chronic pulmonary aspergillosis mostly in immunocompromised patients.In this study, one monoclonal antibody MAb R-5 (IgM) raised against enolase cell surface protein of A. fumigatus exhibited significant inhibition of spore germination in A. Read More

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http://dx.doi.org/10.1093/femsle/fnz015DOI Listing
January 2019
2 Reads

Low-moisture food matrices as probiotic carriers.

FEMS Microbiol Lett 2019 Jan;366(2)

Department of Food Science, Faculty of Science, University of Copenhagen, Copenhagen, Rolighedsvej 26, DK-1958 Frederiksberg, Denmark.

To exert a beneficial effect on the host, adequate doses of probiotics must be administered and maintaining their viability until consumption is thus essential. Dehydrated probiotics exhibit enhanced long-term viability and can be incorporated into low-moisture food matrices, which also possess high stability at refrigeration and ambient temperature. However, several factors associated with the desiccation process, the physicochemical properties of the matrix and the storage conditions can affect probiotic survival. Read More

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http://dx.doi.org/10.1093/femsle/fnz006DOI Listing
January 2019
1 Read

Genomic diversity, lifestyles and evolutionary origins of DPANN archaea.

FEMS Microbiol Lett 2019 Jan;366(2)

NIOZ, Royal Netherlands Institute for Sea Research, Department of Marine Microbiology and Biogeochemistry, and Utrecht University, P.O. Box 59, NL-1790 AB Den Burg, The Netherlands.

Archaea-a primary domain of life besides Bacteria-have for a long time been regarded as peculiar organisms that play marginal roles in biogeochemical cycles. However, this picture changed with the discovery of a large diversity of archaea in non-extreme environments enabled by the use of cultivation-independent methods. These approaches have allowed the reconstruction of genomes of uncultivated microorganisms and revealed that archaea are diverse and broadly distributed in the biosphere and seemingly include a large diversity of putative symbiotic organisms, most of which belong to the tentative archaeal superphylum referred to as DPANN. Read More

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https://academic.oup.com/femsle/advance-article/doi/10.1093/
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http://dx.doi.org/10.1093/femsle/fnz008DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6349945PMC
January 2019
4 Reads

Optimization of culture conditions for promoting heat-stable antifungal factor production level in Lysobacter enzymogenes.

FEMS Microbiol Lett 2019 Jan 9. Epub 2019 Jan 9.

Department of Plant Pathology, Nanjing Agricultural University, Nanjing 210095, China.

Heat-stable antifungal factor (HSAF) was firstly isolated from Lysobacter enzymogenes, it occupies inhibitory activities against a wide range of pathogens, but a low level of HSAF was obtained from L. enzymogenes cultured in 0.1 × tryptic soy broth (TSB) that does not satisfy HSAF application in a great deal in disease control. Read More

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http://dx.doi.org/10.1093/femsle/fnz007DOI Listing
January 2019

The genetic diversity and evolution of diatom-diazotroph associations highlights traits favoring symbiont integration.

FEMS Microbiol Lett 2019 Jan;366(2)

Stockholm University, Department of Ecology, Environment and Plant Sciences, Stockholm, 10691, Sweden.

Diatom diazotroph associations (DDAs) are a widespread marine planktonic symbiosis between several diatom genera and di-nitrogen (N2)-fixing bacteria. Combining single cell confocal microscopy observations and molecular genetic approaches on individual field collected cells, we determined the phylogenetic diversity, distribution and evolution of the DDAs. Confocal analyses coupled with 3-D imaging re-evaluated the cellular location of DDA symbionts. Read More

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http://dx.doi.org/10.1093/femsle/fny297DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6341774PMC
January 2019
1 Read

High-throughput screening for texturing Lactococcus strains.

FEMS Microbiol Lett 2019 Jan;366(2)

Discovery, R&D, Chr. Hansen A/S, 10-12 Bøge Allé, DK2970, Hørsholm, Denmark.

In the food industry, lactic acid bacteria (LAB) are used in dairy fermentations, extending the shelf life by lowering the pH and also affecting taste and texture of the fermented milk. The texture of fermented milk is an important quality parameter, affecting consumer acceptance. Finding LAB providing desired texture of a product is time consuming and laborious when using standard methods for measuring texture, e. Read More

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http://dx.doi.org/10.1093/femsle/fnz001DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6341772PMC
January 2019
2 Reads

Peptidyl isomerase PrsA is surface-associated on Streptococcus suis and offers cross-protection against serotype 9 strain.

FEMS Microbiol Lett 2019 Jan;366(2)

College of Animal Sciences of Zhejiang Unversity and Key Laboratory of Preventive Veterinary Medicine of Zhejiang Province, 866 Yuhangtang Road, Hangzhou 310058, Zhejiang, China.

PrsA, a peptidyl isomerase encoded by the prsA gene, plays pleiotropic roles in bacterial physiology and pathogenicity. This study was attempted to characterize the distribution of prsA in different serotypes of Streptococcus suis isolates and on the bacterial cells and to evaluate its immunogenicity in a murine model. PrsA is present in different S. Read More

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https://academic.oup.com/femsle/advance-article/doi/10.1093/
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http://dx.doi.org/10.1093/femsle/fnz002DOI Listing
January 2019
9 Reads

Effect of sublethal concentrations of ceftriaxone on antibiotic susceptibility of multiple antibiotic-resistant Salmonella strains.

FEMS Microbiol Lett 2019 Jan;366(2)

MOST-USDA Joint Research Center for Food Safety, School of Agriculture & Biology, and State Key Lab of Microbial Metabolism, Shanghai Jiao Tong University, Shanghai 200240, China.

The aim of this study was to determine whether sublethal concentrations of ceftriaxone could alter antibiotic resistance patterns in Salmonella strains. Three multiple antibiotic-resistant Salmonella isolates and the control strain ATCC 13076 were subjected to induction experiments by stepwise increases in sublethal concentrations of ceftriaxone. Sublethal levels of ceftriaxone induced antibiotic resistance but not control Salmonella isolates to ceftriaxone and to other antibiotics. Read More

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http://dx.doi.org/10.1093/femsle/fny283DOI Listing
January 2019

Bibliometric mapping of microbiology research topics (2012-16): a comparison by socioeconomic development and infectious disease vulnerability values.

FEMS Microbiol Lett 2019 Jan;366(2)

Centre for History of Science, Technology and Medicine, University of Manchester, Manchester M13 9PL, UK.

Amongst health-related scientific disciplines, microbiology appears to play a vital role in creating a sustainable future with respect to health, the environment and a biobased economy. Microbiology research covers a wide range of different disciplines and addresses many important global issues. This study aimed to identify topics being addressed within the last 5 years (2012-16) in the field of microbiology worldwide and to compare them in terms of three different indicators: gross domestic product, Human Development Index and Infectious Disease Vulnerability Index. Read More

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https://academic.oup.com/femsle/advance-article/doi/10.1093/
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http://dx.doi.org/10.1093/femsle/fnz004DOI Listing
January 2019
4 Reads

How to successfully prepare for a behavioral interview.

Authors:
Bob Dolan

FEMS Microbiol Lett 2019 Jan;366(2)

Asst. Director Career Services MIT Postdoctoral Scholars MIT Career Advising & Professional Development, Cambridge, USA | Bldg. E25-143 G | 617-715- 5329 | gecd.mit.edu.

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http://dx.doi.org/10.1093/femsle/fnz011DOI Listing
January 2019
1 Read

Regulatory roles of pyruvate-sensing two-component system PyrSR (YpdAB) in Escherichia coli K-12.

FEMS Microbiol Lett 2019 Jan;366(2)

Department of Frontier Bioscience, Hosei University, Kajino-cho 3-7-2, Koganei 184-8584, Tokyo, Japan.

When the rate of production of metabolites in bacteria exceeds the amounts needed for cell growth, excess metabolites are secreted into the extracellular environment. Upon entry into poor nutrient conditions, overflowed exometabolites are reused to continue cell growth and survival. At present, however, the genetic system for utilization of exometabolites is poorly understood even for the best-characterized model prokaryote Escherichia coli. Read More

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http://dx.doi.org/10.1093/femsle/fnz009DOI Listing
January 2019
1 Read

Role of non-active site residues in maintaining New Delhi metallo-β-lactamase-1(NDM-1) function: an approach of site directed mutagenesis and docking.

FEMS Microbiol Lett 2019 Jan 9. Epub 2019 Jan 9.

Medical Microbiology and Molecular Biology Lab, Interdisciplinary Biotechnology Unit, Aligarh Muslim University, Aligarh - 202002, India.

New Delhi metallo-β-lactamase-1(NDM-1) has been known to hydrolyze nearly all β-lactam antibiotics, leading to multi drug resistant state. Hence, it is important to search its structure-function relation to control infections caused by such resistant bacterial strains. Mutagenesis is one of the approaches to explore it. Read More

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https://academic.oup.com/femsle/advance-article/doi/10.1093/
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http://dx.doi.org/10.1093/femsle/fnz003DOI Listing
January 2019
4 Reads

Salmonella enterica serovar Typhimurium ATCC 14028S is tolerant to plant defenses triggered by the flagellin receptor FLS2.

FEMS Microbiol Lett 2019 Jan 2. Epub 2019 Jan 2.

Department of Bacteriology, University of Wisconsin-Madison, Madison, WI, USA.

Salmonellosis outbreaks associated with sprouted legumes have been a food safety concern for over two decades. Despite evidence that Salmonella enterica triggers biotic plant defense pathways, it has remained unclear how plant defenses impact Salmonella growth on sprouted legumes. We used Medicago truncatula mutants in which the gene for the flagellin receptor FLS2 was disrupted to demonstrate that plant defenses triggered by FLS2 elicitation do not impact the growth of Salmonella enterica serovar Typhimurium ATCC 14028S. Read More

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http://dx.doi.org/10.1093/femsle/fny296DOI Listing
January 2019
2 Reads

Identification of an insecticidal toxin produced by Enterobacter sp. strain 532 isolated from diseased Bombyx mori silkworms.

FEMS Microbiol Lett 2019 Jan;366(2)

Laboratory of Plant Pathology, Faculty of Agriculture, Graduate School, Kyushu University, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan.

Although Enterobacter sp. 532 shows pathogenicity in Bombyx mori, the insecticidal mechanisms are unclear. Here, we identified and characterised an insecticidal protein from Enterobacter. Read More

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https://academic.oup.com/femsle/advance-article/doi/10.1093/
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http://dx.doi.org/10.1093/femsle/fny295DOI Listing
January 2019
5 Reads

Biocontrol efficacy of Pseudoxanthomonas japonensis against Meloidogyne incognita and its nematostatic metabolites.

FEMS Microbiol Lett 2019 Jan;366(2)

State Laboratory for Conservation and Utilization of Bio-resources, Yunnan University, Kunming 650091, PR China.

The rhizosphere bacterium ZKB-2 showed strong nematostatic activity against Meloidogyne incognita. Our study aimed to identify the nematostatic metabolites and evaluate the biocontrol efficiency in pot experiments. As the bacterial culture filtrate showed 100% nematostatic activity against M. Read More

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http://dx.doi.org/10.1093/femsle/fny287DOI Listing
January 2019
1 Read

Short exposure to oxygen and sulfide alter nitrification, denitrification, and DNRA activity in seasonally hypoxic estuarine sediments.

FEMS Microbiol Lett 2019 Jan;366(1)

Department of Geology, Lund University, Solvegatan 12, SE-223 62 Lund, Sweden.

Increased organic loading to sediments from eutrophication often results in hypoxia, reduced nitrification and increased production of hydrogen sulfide, altering the balance between nitrogen removal and retention. We examined the effect of short-term exposure to various oxygen and sulfide concentrations on sediment nitrification, denitrification and DNRA from a chronically hypoxic basin in Roskilde Fjord, Denmark. Surprisingly, nitrification rates were highest in the hypoxic and anoxic treatments (about 5 μmol cm-3 d-1) and the high sulfide treatment was not significantly different than the oxic treatment. Read More

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https://academic.oup.com/femsle/advance-article/doi/10.1093/
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http://dx.doi.org/10.1093/femsle/fny288DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6343015PMC
January 2019
5 Reads

Identification of a novel chitinase from Aeromonas hydrophila AH-1N for the degradation of chitin within fungal mycelium.

FEMS Microbiol Lett 2019 Jan;366(1)

Institut für Molekulare Mikrobiologie und Biotechnologie, Westfälische Wilhelms-Universität (WWU) Muenster, Corrensstraße 3, 48149 Münster, Germany.

Defined organic waste products are ideal and sustainable secondary feedstocks for production organisms in microbial biotechnology. Chitin from mycelia of fungal fermentation processes represents a homogeneous and constantly available waste product that can, however, not be utilised by typical bacterial production strains. Therefore, enzymes that degrade chitin within fungal mycelia have to be identified and expressed in production organisms. Read More

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http://dx.doi.org/10.1093/femsle/fny294DOI Listing
January 2019
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Molecular and phenotypical characterization of Cronobacter species isolated with high occurrence from oats and linseeds.

FEMS Microbiol Lett 2019 Jan;366(1)

Laboratory of Food and Sanitizes, INCQS/Fiocruz, Av. Brasil, 4365. Manguinhos, Rio de Janeiro-RJ, Brazil, CEP:21040-900.

The aim of this study was to determine the prevalence Cronobacter from 30 samples of oats and 30 of linseeds commercially available in Brazil. The detection of Cronobacter was as according to the ISO 22964:2017. The isolates were characterized according to their phenotypically using Vitek 2. Read More

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http://dx.doi.org/10.1093/femsle/fny289DOI Listing
January 2019
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Dark chocolate as a stable carrier of microencapsulated Akkermansia muciniphila and Lactobacillus casei.

FEMS Microbiol Lett 2019 Jan;366(2)

Department of Food Science, Faculty of Science, University of Copenhagen, Rolighedsvej 26, 1958 Frederiksberg C, Denmark.

The viability of probiotics is affected by several factors during manufacturing, storage and gastrointestinal tract passage. Protecting the probiotics from harmful conditions is particularly critical for oxygen sensitive species like Akkermansia muciniphila, a bacterium which recently has been proposed as a next-generation probiotic candidate. Previously, we have developed a protocol for microencapsulating A. Read More

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http://dx.doi.org/10.1093/femsle/fny290DOI Listing
January 2019
2 Reads

Genome editing of lactic acid bacteria: opportunities for food, feed, pharma and biotech.

FEMS Microbiol Lett 2019 Jan;366(1)

The Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Kemitorvet B220, 2800 Kongens Lyngby, Denmark.

This mini-review provides a perspective of traditional, emerging and future applications of lactic acid bacteria (LAB) and how genome editing tools can be used to overcome current challenges in all these applications. It also describes available tools and how these can be further developed, and takes current legislation into account. Genome editing tools are necessary for the construction of strains for new applications and products, but can also play a crucial role in traditional ones, such as food and probiotics, as a research tool for gaining mechanistic insights and discovering new properties. Read More

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http://dx.doi.org/10.1093/femsle/fny291DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6322438PMC
January 2019
2 Reads

N6-methyladenosine RNA methylation is involved in virulence of the rice blast fungus Pyricularia oryzae (syn. Magnaporthe oryzae).

FEMS Microbiol Lett 2019 Jan;366(1)

State Key Laboratory for Rice Biology, College of Life Sciences, Zhejiang University, Hangzhou 310058, Zhejiang Province, China.

N6-methyladenosine (m6A) RNA methylation is a conserved modification of RNA in eukaryotes. Pyricularia oryzae, a filamentous phytopathogenic fungus, is the cause of a destructive rice blast disease that can lead to significant declines in rice production. Here, we characterized the function of m6A RNA methylation in the development and virulence of P. Read More

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http://dx.doi.org/10.1093/femsle/fny286DOI Listing
January 2019
3 Reads

The qualified presumption of safety assessment and its role in EFSA risk evaluations: 15 years past.

FEMS Microbiol Lett 2019 Jan;366(1)

Unit of Biological Hazards and Contaminants (BIOCONTAM), European Food Safety Authority (EFSA), via Carlo Magno 1A, 43126 Parma, Italy.

Microorganisms are intentionally added at different stages of the food and feed chain (food or feed additive, novel food or plant protection product) and are subjected to regulation and safety assessment by the European Food Safety Authority. Safety evaluation is based on application dossiers for market authorisation to the European Commission. The qualified presumption of safety (QPS) concept was developed in 20031 to provide a harmonised generic safety pre-appraisal of the above microorganisms. Read More

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https://academic.oup.com/femsle/advance-article/doi/10.1093/
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http://dx.doi.org/10.1093/femsle/fny260DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6311724PMC
January 2019
8 Reads

Decoding the ocean's microbiological secrets for marine enzyme biodiscovery.

FEMS Microbiol Lett 2019 Jan;366(1)

School of Natural Sciences, Bangor University, Deiniol Road, LL57 2UW Bangor, United Kingdom.

A global census of marine microbial life has been underway over the past several decades. During this period, there have been scientific breakthroughs in estimating microbial diversity and understanding microbial functioning and ecology. It is estimated that the ocean, covering 71% of the earth's surface with its estimated volume of about 2 × 1018 m3 and an average depth of 3800 m, hosts the largest population of microbes on Earth. Read More

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http://dx.doi.org/10.1093/femsle/fny285DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6322442PMC
January 2019
12 Reads

New CRISPR-Cas9 vectors for genetic modifications of Bacillus species.

FEMS Microbiol Lett 2019 Jan;366(1)

Institut für Industrielle Genetik, Universität Stuttgart, Allmandring 31, 70569 Stuttgart, Germany.

Genetic manipulation is a fundamental procedure for the study of gene and operon functions and new characteristics acquisition. Modern CRISPR-Cas technology allows genome editing more precisely and increases the efficiency of transferring mutations in a variety of hard to manipulate organisms. Here, we describe new CRISPR-Cas vectors for genetic modifications in bacillary species. Read More

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https://academic.oup.com/femsle/advance-article/doi/10.1093/
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http://dx.doi.org/10.1093/femsle/fny284DOI Listing
January 2019
12 Reads

Erratum to: 'Dysbiosis and early mortality in zebrafish larvae exposed to subclinical concentrations of streptomycin'.

FEMS Microbiol Lett 2018 Dec;365(24)

Department of Biology, Reem-Kayden Center for Science and Computation, Bard College, Annandale-On-Hudson, NY, 12504, USA.

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http://dx.doi.org/10.1093/femsle/fny268DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6341127PMC
December 2018
2 Reads

Editorial: Secretion and signalling of bacterial RNAs.

FEMS Microbiol Lett 2019 Jan;366(1)

The Life Science Centre - Biology, School of Science and Technology, Örebro University, 701 82 Örebro, Sweden.

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http://dx.doi.org/10.1093/femsle/fny281DOI Listing
January 2019
1 Read

Editorial for the thematic tssue on "Industrial Microbiology".

FEMS Microbiol Lett 2018 Dec;365(24)

Department of Biotechnology BOKU, University of Natural Resources and Life Sciences, Muthgasse 18, 1190 Wien, Austria.

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http://dx.doi.org/10.1093/femsle/fny275DOI Listing
December 2018
1 Read