8 downloads
67 views

Ecosystem functions of rivers have been greatly impaired due to the negative effects of human actions on river structures in different regions of the Earth during the last decades. It is an urgent task to understand the complete structures and ecosystem functions...

["Ecology","Ecosystem Science","Environmental Sciences","Microbiology"]
doi:10.7287/peerj.preprints.2712v2

Natural product libraries are important tools for drug discovery. However, until now, there has not been a system to allow projections of the potential number of hits from creating these libraries. The objective of this study was to develop a stochastic model system...

["Biodiversity","Biotechnology","Microbiology","Drugs and Devices","Computational Science"]
doi:10.7287/peerj.preprints.2734v1
24 downloads
159 views

Residence time (τ) is the average amount of time that particles spend in an ecosystem. Often estimated from the ratio of volume to flow rate, τ equates the physical environment with dynamics of growth. Here, we propose that τ is key to understanding relationships...

["Biodiversity","Ecology","Ecosystem Science","Microbiology"]
doi:10.7287/peerj.preprints.2727v1
178 downloads
391 views

Background Accumulating evidence indicates interactions between human milk composition, particularly sugars (human milk oligosaccharides or HMO), the gut microbiota of human infants, and behavioral effects. Some HMO secreted in human milk are unable to be endogenously...

["Food Science and Technology","Microbiology","Gastroenterology and Hepatology","Nutrition","Pediatrics"]
doi:10.7717/peerj.2876
46 downloads
300 views

Sponges are efficient filter feeders, removing significant portions of particulate and dissolved organic matter (POM, DOM) from the water column. While the assimilation and respiration of POM and DOM by sponges and their abundant microbial symbiont communities...

["Biochemistry","Marine Biology","Microbiology"]
doi:10.7717/peerj.2870
121 downloads
483 views

The importance of 16S rRNA gene amplicon profiles for understanding the influence of microbes in a variety of environments coupled with the steep reduction in sequencing costs led to a surge of microbial sequencing projects. The expanding crowd of scientists and...

["Bioinformatics","Ecology","Microbiology"]
doi:10.7717/peerj.2836
20 downloads
255 views

Solar salterns are excellent model ecosystems for studying virus-microbial interactions because of their low microbial diversity, environmental stability, and high viral density. By using the power of CRISPR spacers to link viruses to their prokaryotic hosts, we...

["Bioinformatics","Computational Biology","Ecology","Genomics","Microbiology"]
doi:10.7717/peerj.2844
23 downloads
106 views

Background Algae encompass a wide array of photosynthetic organisms that are ubiquitously distributed in aquatic and terrestrial habitats. Algal species often bloom in aquatic ecosystems, providing a significant autochthonous carbon input to the deeper anoxic layers...

["Microbiology"]
doi:10.7717/peerj.2803
5 downloads
46 views

The biological activities of quinoxalone, a novel small molecular substance isolated from the broth of the myxobacterium Stigmatella eracta WXNXJ-B, was investigated. This study was designed to determine the anti-proliferative, apoptotic property of quinoxalone,...

["Biotechnology","Microbiology","Pharmacology"]
doi:10.7287/peerj.preprints.2703v1
4 downloads
60 views

Background: Lysyl oxidases (LOX) were studied mostly in mammals, whereas properties of recently found homologs in prokaryotic genomes remain enigmatic. Methods: LOX gene from Haloterrigena turkmenica has been cloned by PCR in a E. coli expression vector. Protein...

["Biochemistry","Microbiology","Molecular Biology"]
doi:10.7287/peerj.preprints.2691v1
7 downloads
98 views

Marker gene sequencing of microbial communities has generated big datasets of microbial relative abundances varying across environmental conditions, sample sites and treatments. These data often come with putative phylogenies, providing unique opportunities to...

["Computational Biology","Ecology","Mathematical Biology","Microbiology","Statistics"]
doi:10.7287/peerj.preprints.2685v1
3 downloads
53 views

Considering the difficulty of breeding endangered species in captivity relative to those in the wild, specific environmental factors such as availability of roaming space and nutrition may be important reasons contributing to the relative lack of procreation capability...

["Animal Behavior","Biochemistry","Conservation Biology","Microbiology","Zoology"]
doi:10.7287/peerj.preprints.2686v1
20 downloads
123 views

It has been reported that the intracellular pH of the budding yeast Saccharomyces cerevisiae is asymmetric between mother and daughter cells, and this asymmetry in pH underlies replicative aging and rejuvenation. S. cerevisiae growth morphology changes between...

["Cell Biology","Microbiology"]
doi:10.7287/peerj.preprints.2684v1
86 downloads
269 views

Background The gastrointestinal tract (GIT) microbiota is essential to metabolic health, and the prevalence of the Western diet (WD) high in fat and sugar is increasing, with evidence highlighting a negative interaction between the GIT and WD, resulting in liver...

["Microbiology","Veterinary Medicine","Zoology"]
doi:10.7717/peerj.2840
53 downloads
184 views

Background Mycobacterium avium subsp. hominissuis (MAH) is an emerging opportunistic human pathogen. It can cause pulmonary infections, lymphadenitis and disseminated infections in immuno-compromised patients. In addition, MAH is widespread in the environment,...

["Microbiology","Infectious Diseases","Public Health","Metabolic Sciences"]
doi:10.7717/peerj.2833

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