Peer-reviewed Articles - Biology

The bacteria that grow on methane aerobically (methanotrophs) support populations of non-methanotrophs in the natural environment by excreting methane-derived carbon. One group of excreted compounds are short-chain organic acids, generated in highest abundance...

["Ecology","Microbiology"]
doi:10.7717/peerj.3945

The purpose of this study was to investigate the benefits of exercises with different cognitive demands for cognitive functions (Executive and non-Executive) in healthy older adults. A cross-sectional design was adopted. In total, 84 healthy older adults were enrolled...

["Neuroscience","Geriatrics","Neurology","Ophthalmology"]
doi:10.7717/peerj.3943

Background A number of biotic and abiotic factors have been proposed as drivers of geographic variation in species richness. As biotic elements, inter-specific interactions are the most widely recognized. Among abiotic factors, in particular for plants, climate...

["Biodiversity","Biogeography","Ecology","Environmental Sciences","Plant Science"]
doi:10.7717/peerj.3932

Tasmanian Atlantic salmon (S. salar) broodstock can experience temperatures above 20 °C, which impairs reproductive development and inhibits ovulation. The present study investigated the prolonged use of gonadotropin releasing hormone analogue (GnRHa) during vitellogenesis...

["Aquaculture, Fisheries and Fish Science","Molecular Biology"]
doi:10.7717/peerj.3898

A new sphyrapodid tanaidacean, Sphyrapus caribensis sp. nov. is described and a new record of Kudinopasternakia siegi is reported for the Colombian Caribbean based on samples collected during cruises in 2014–2015. The new species appears to be most closely related...

["Biodiversity","Marine Biology","Taxonomy","Zoology"]
doi:10.7717/peerj.3947

Clinical evidence points to neuroprotective effects of smoking in Parkinson’s disease (PD), but the molecular mechanisms remain unclear. We investigated the pharmacological pathways involved in these neuroprotective effects, which could provide novel ideas for...

["Biochemistry","Molecular Biology","Neuroscience","Neurology","Pharmacology"]
doi:10.7717/peerj.3933
1 download
1 view

We investigated how recent changes in the distribution and abundance of a fouling organism affected the strength of interactions between a commercially important foundation species and a common predator. Increases in the abundance of boring sponges that bioerode...

["Biodiversity","Conservation Biology","Ecology","Marine Biology"]
doi:10.7717/peerj.3911
23 downloads
177 views

The invasion of Indo-Pacific lionfish is one of the most pressing concerns in the context of coral reef conservation throughout the Caribbean. Invasive lionfish threaten Caribbean fish communities by feeding on a wide range of native prey species, some of which...

["Invasive Species","Biological Invasion","Fisheries and Fish Science","Conservation Biology","Ecology","Marine Biology"]
doi:10.7717/peerj.3818
31 downloads
135 views

Increased levels of long noncoding RNA H19 (H19) have been observed in many inflammatory and organ fibrosis diseases including ulcerative colitis, osteoarthritis, liver fibrosis, renal fibrosis and pulmonary fibrosis. However, the role of H19 in bovine mastitis...

["Biochemistry","Cell Biology","Veterinary Medicine"]
doi:10.7717/peerj.3950
25 downloads
131 views

Background/Aim Strabismus is a common condition with misalignment between two eyes that may lead to decrease of visual acuity, lack of binocularity, and diplopia. It is caused by heterogeneous environmental and genetic risk factors. Our previous research has identified...

["Genetics","Genomics","Ophthalmology","Medical Genetics"]
doi:10.7717/peerj.3935
33 downloads
236 views

In arable cropping systems, reduced or conservation tillage practices are linked with improved soil quality, C retention and higher microbial biomass, but most long-term studies rarely focus on depths greater than 15 cm nor allow comparison of microbial community...

["Agricultural Science","Ecology","Microbiology","Soil Science"]
doi:10.7717/peerj.3930
59 downloads
465 views

Background Differential expression analysis on the basis of RNA-Seq count data has become a standard tool in transcriptomics. Several studies have shown that prior normalization of the data is crucial for a reliable detection of transcriptional differences. Until...

["Bioinformatics","Statistics"]
doi:10.7717/peerj.3859
32 downloads
535 views

Lakes are dynamic and complex ecosystems that can be influenced by physical, chemical, and biological processes. Additionally, individual lakes are often chemically and physically distinct, even within the same geographic region. Here we show that differences in...

["Biodiversity","Ecology","Environmental Sciences","Microbiology","Freshwater Biology"]
doi:10.7717/peerj.3937
39 downloads
225 views

Plant resistance against insect herbivory has greatly focused on antibiosis, whereby the plant has a deleterious effect on the herbivore, and antixenosis, whereby the plant is able to direct the herbivore away from it. Although these two types of resistance may...

["Agricultural Science","Entomology","Plant Science"]
doi:10.7717/peerj.3934
185 downloads
1,262 views

Background Species of the scyphozoan family Pelagiidae (e.g., Pelagia noctiluca, Chrysaora quinquecirrha) are well-known for impacting fisheries, aquaculture, and tourism, especially for the painful sting they can inflict on swimmers. However, historical taxonomic...

["Biodiversity","Evolutionary Studies","Marine Biology","Taxonomy","Zoology"]
doi:10.7717/peerj.3863

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