1 download
1 view

Microbial transformation can strengthen the antioxidant and antitumor activities of polyphenols. Polyphenols contents, antioxidant and antitumor activities of pine polyphenols and its biotransformation extracts by Aspergillus niger, Aspergillus oryzae, Aspergillus...

["Agricultural Science","Food Science and Technology","Microbiology"]
doi:10.7717/peerj.3264
62 downloads
561 views

The genetic structure of bacterial populations can be related to geographical locations of isolation. In some species, there is a strong correlation between geographical distance and genetic distance, which can be caused by different evolutionary mechanisms. Patterns...

["Biogeography","Bioinformatics","Genomics","Microbiology","Epidemiology"]
doi:10.7287/peerj.preprints.2638v2
38 downloads
260 views

Background Fast, accurate and high-throughput identification of bacterial isolates is in great demand. The present work was conducted to investigate the possibility of identifying isolates from unassembled next-generation sequencing reads using custom-made guide...

["Bioinformatics","Computational Biology","Microbiology"]
doi:10.7717/peerj.3353
55 downloads
405 views

Most of our knowledge regarding the biodiversity of gut microbes comes from terrestrial organisms or marine species of economic value, with less emphasis on ecologically important species. Here we investigate the bacterial composition associated with the gut of...

["Ecology","Marine Biology","Microbiology"]
doi:10.7717/peerj.3317
39 downloads
266 views

Examination of host-microbe interactions in early diverging metazoans, such as cnidarians, is of great interest from an evolutionary perspective to understand how host-microbial consortia have evolved. To address this problem, we analyzed whether the bacterial...

["Marine Biology","Microbiology"]
doi:10.7717/peerj.3235
7 downloads
105 views

Antibiotic-resistant bacteria complicate many infections and can be difficult to eradicate from hospitals. The population dynamics and ecology of these organisms in the hospital setting, however, is not well understood. Here, we report extensive strain-based antagonistic...

["Ecology","Microbiology","Infectious Diseases"]
doi:10.7287/peerj.preprints.2973v1
26 downloads
182 views

RecA-independent recombination events between short direct repeats, leading to deletion of the intervening sequences, were found to occur in two genetic models in the Escherichia coli K12 background. The first model was a small E. coli genomic island which had...

["Genomics","Microbiology"]
doi:10.7717/peerj.3293
58 downloads
288 views

Symbiotic bacteria are common in insects and can affect various aspects of their hosts’ biology. Although the effects of insect symbionts have been clarified for various insect symbiosis models, due to the difficulty of cultivating them in vitro, there is still...

["Cell Biology","Entomology","Microbiology","Molecular Biology"]
doi:10.7717/peerj.3291
113 downloads
418 views

Much of Earth’s biodiversity is at the mercy of currents and physical turnover. Residence time (τ) is the average time that particles spend in a system and is estimated from the ratio of volume to flow rate. Here, we present a framework for how τ influences biodiversity...

["Biodiversity","Ecology","Ecosystem Science","Microbiology"]
doi:10.7287/peerj.preprints.2727v2
64 downloads
410 views

Background Many bacteria are facultative anaerobes, and can proliferate in both anoxic and oxic environments. Under anaerobic conditions, fermentation is the primary means of energy generation in contrast to respiration. Furthermore, the rates and spectra of spontaneous...

["Evolutionary Studies","Genomics","Microbiology"]
doi:10.7717/peerj.3244
69 downloads
520 views

Metagenomics-based studies have provided insight into many of the complex microbial communities responsible for maintaining life on this planet. Sequencing efforts often uncover novel genetic content; this is most evident for phage communities, in which upwards...

["Bioinformatics","Computational Biology","Microbiology","Virology"]
doi:10.7717/peerj.3281
50 downloads
463 views

Background The study of ancient microorganisms in mineralized dental plaque or calculi is providing insights into microbial evolution, as well as lifestyles and disease states of extinct cultures; yet, little is still known about the oral microbial community structure...

["Anthropology","Microbiology"]
doi:10.7717/peerj.3277
72 downloads
1,215 views

The phylum Actinobacteria constitutes one of the largest and anciently divergent phyla within the Bacteria domain. Actinobacterial diversity has been thoroughly researched in various environments due to its unique biotechnological potential. Such studies have focused...

["Biodiversity","Biogeography","Ecology","Microbiology"]
doi:10.7717/peerj.3247
36 downloads
178 views

The Ebola virus, a negative-sense single-stranded RNA virus, causes severe viral hemorrhagic fever and is highly lethal. Histopathology and immunopathologic study of Ebola virus have revealed that histopathologic changes in skin tissue were mainly various degrees...

["Bioinformatics","Microbiology","Infectious Diseases","Medical Genetics"]
doi:10.7287/peerj.preprints.2959v1
106 downloads
133 views

Biodiversity generally affects ecosystem processes, but to what extent detailed knowledge about specific aspects of biodiversity helps us understand and predict specific ecosystem functions is not well-known. We hypothesised that information about functional gene...

["Ecology","Microbiology"]
doi:10.7287/peerj.preprints.2958v1

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