Peer-reviewed Articles

103 downloads
1,365 views

Sex-specific pheromones are known to play an important role in butterfly courtship, and may influence both individual reproductive success and reproductive isolation between species. Extensive ecological, behavioural and genetic studies of Heliconius butterflies...

["Animal Behavior","Entomology","Evolutionary Studies"]
doi:10.7717/peerj.3953
24 downloads
434 views

The core antigen of the hepatitis C virus (HCV Ag) presents an alternative marker to HCV RNA when screening patients for HCV viremia. This study sought to evaluate the utility of HCV Ag as a marker to assess active HCV infection in individuals residing in an HCV-endemic...

["Molecular Biology","Virology","Epidemiology","Gastroenterology and Hepatology"]
doi:10.7717/peerj.4008
37 downloads
355 views

Although in recent years the study of gene expression variation in the absence of genetic or environmental cues or gene expression heterogeneity has intensified considerably, many basic and applied biological fields still remain unaware of how useful the study...

["Developmental Biology","Genomics"]
doi:10.7717/peerj.4004
81 downloads
297 views

Intestinal microbiota is an integral component of the host and plays important roles in host health. The pacific white shrimp is one of the most profitable aquaculture species commercialized in the world market with the largest production in shrimp consumption....

["Aquaculture, Fisheries and Fish Science","Microbiology"]
doi:10.7717/peerj.3986
867 downloads
765 views

Although the ultimate causes of high bat fatalities at wind farms are not well understood, several lines of evidence suggest that bats are attracted to wind turbines. One hypothesis is that bats would be attracted to turbines as a foraging resource if the insects...

["Animal Behavior","Conservation Biology","Ecology","Environmental Sciences","Zoology"]
doi:10.7717/peerj.3985
46 downloads
255 views

As other spiny lobsters, Panulirus argus is supposed to use preferentially proteins and lipids in energy metabolism, while carbohydrates are well digested but poorly utilized. The aim of this study was to evaluate the effect of dietary carbohydrate level on digestion...

["Aquaculture, Fisheries and Fish Science","Marine Biology"]
doi:10.7717/peerj.3975
50 downloads
915 views

The genus Contulma Flint (Trichoptera: Anomalopsychidae) is composed mostly of regionally endemic species occurring above 2,000 m, with a few more widespread species and some that are found at lower elevations. Adults of three new species of Contulma are described...

["Biodiversity","Entomology","Taxonomy"]
doi:10.7717/peerj.3967
80 downloads
602 views

Background Large carnivores influence ecosystem functions at various scales. Thus, their local extinction is not only a species-specific conservation concern, but also reflects on the overall habitat quality and ecosystem value. Species-habitat relationships at...

["Animal Behavior","Biodiversity","Conservation Biology","Ecology","Zoology"]
doi:10.7717/peerj.3920
65 downloads
364 views

Background The aim of this cross-sectional study was to identify important biopsychosocial correlates of major depression. Biological mechanisms, including the inflammatory and the tryptophan-serotonin deficiency hypotheses of major depression, were investigated...

["Immunology","Psychiatry and Psychology"]
doi:10.7717/peerj.3968
63 downloads
341 views

Extensive and in-depth investigations of high-altitude adaptation have been carried out at the level of morphology, anatomy, physiology and genomics, but few investigations focused on the roles of microRNA (miRNA) in high-altitude adaptation. We examined the differences...

["Agricultural Science","Biodiversity","Molecular Biology"]
doi:10.7717/peerj.3959
53 downloads
604 views

Background Currently, there is limited knowledge about the genetics underlying pigmentary traits in East Asian populations. Here, we report the results of the first genome-wide association study of pigmentary traits (skin and iris color) in individuals of East...

["Anthropology","Evolutionary Studies","Genetics","Genomics"]
doi:10.7717/peerj.3951
33 downloads
242 views

In female Atlantic salmon (Salmo salar), exposure to warm summer temperatures causes a reduction in plasma 17β-estradiol (E2), which impairs downstream vitellogenesis and zonagenesis, and reduces egg fertility and embryo survival. The aim of the present study was...

["Aquaculture, Fisheries and Fish Science","Marine Biology","Molecular Biology"]
doi:10.7717/peerj.3897
140 downloads
1,423 views

Background The family Pontoporiidae (Cetacea, Odontoceti, Inioidea) is currently represented in our oceans by just one species of diminutive dolphin (Pontoporia blainvillei, franciscana). Although P. blainvillei is limited to coastal waters of the South Atlantic...

["Paleontology"]
doi:10.7717/peerj.3991
41 downloads
267 views

Background Self-medication refers to the use of medicines to treat self-diagnosed diseases without consulting any healthcare professionals. Irrational drug use and self-medication have serious negative consequences both on health and economy. Therefore, the aim...

["Epidemiology","Pharmacology","Public Health"]
doi:10.7717/peerj.3990
56 downloads
298 views

Background Deficiency of available forms of phosphorus is common in most soils and causes reduction of crop plants growth and yield. Recently, model plants responses to phosphate (Pi) deficiency have been intensively studied. However, acclimation mechanisms of...

["Agricultural Science","Biochemistry","Environmental Sciences","Plant Science","Soil Science"]
doi:10.7717/peerj.3989

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