Peer-reviewed Articles - Biology

174 downloads
860 views

Pleistocene South American megafauna has traditionally attracted the interest of scientists and the popular media alike. However, ecological interactions between the species that inhabited these ecosystems, such as predator-prey relationships or interspecific competition,...

["Paleontology"]
doi:10.7717/peerj.3117
64 downloads
292 views

Background Exercise can change cellular structure and connectivity (neurogenesis or synaptogenesis), causing alterations in both behavior and working memory. The aim of this study was to evaluate the effect of exercise on working memory and hippocampal neurogenesis...

["Animal Behavior","Neurology","Psychiatry and Psychology"]
doi:10.7717/peerj.2976
323 downloads
2,417 views

Background Anhanguerids comprise an important clade of pterosaurs, mostly known from dozens of three-dimensionally preserved specimens recovered from the Lower Cretaceous Romualdo Formation (northeastern Brazil). They are remarkably diverse in this sedimentary...

["Paleontology","Zoology"]
doi:10.7717/peerj.3285
58 downloads
516 views

Phytostabilization is a remediation technology that uses plants for in-situ stabilization of contamination in soils and mine tailings. The objective of this study was to identify native plant species with potential for phytostabilization of the abandoned mine tailings...

["Ecology","Plant Science"]
doi:10.7717/peerj.3280
280 downloads
3,142 views

Eight whale sharks tagged with pop-up satellite archival tags off the Gulf of California, Mexico, were tracked for periods of 14–134 days. Five of these sharks were adults, with four females visually assessed to be pregnant. At least for the periods they were tracked,...

["Animal Behavior","Conservation Biology","Marine Biology"]
doi:10.7717/peerj.3271
39 downloads
246 views

Background Opacities of the lens are typical age-related phenomena which have a high influence on photoreception and consequently circadian rhythm. In mouse lemurs, a small bodied non-human primate, a high incidence (more than 50% when >seven years) of cataracts...

["Veterinary Medicine","Ophthalmology"]
doi:10.7717/peerj.3258
67 downloads
282 views

Background WRKY proteins, which comprise one of the largest transcription factor (TF) families in the plant kingdom, play crucial roles in plant development and stress responses. Despite several studies on WRKYs in wheat (Triticum aestivum L.), functional annotation...

["Genetics","Plant Science"]
doi:10.7717/peerj.3232
55 downloads
346 views

Background Obesity has become a worldwide burden to public health in recent decades. Given that obesity is caused by an imbalance between caloric intake and expenditure, and that dietary fat is the most important energy source of all macronutrients (by providing...

["Biochemistry","Food Science and Technology","Diabetes and Endocrinology","Nutrition"]
doi:10.7717/peerj.3279
168 downloads
636 views

The fossil record of Australian pterosaurs is sparse, consisting of only a small number of isolated and fragmentary remains from the Cretaceous of Queensland, Western Australia and Victoria. Here, we describe two isolated pterosaur teeth from the Lower Cretaceous...

["Paleontology","Taxonomy"]
doi:10.7717/peerj.3256
75 downloads
533 views

Background The need to incorporate genetic data into conservation management decisions is increasingly recognised. However, many published studies represent a ‘gold standard’ of sampling, techniques, and analyses. Such rigour is often not possible with limited...

["Biodiversity","Conservation Biology","Ecology","Environmental Sciences","Plant Science"]
doi:10.7717/peerj.3248
70 downloads
429 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
137 downloads
713 views

Taxonomic classification of archaeal and bacterial viruses is challenging, yet also fundamental for developing a predictive understanding of microbial ecosystems. Recent identification of hundreds of thousands of new viral genomes and genome fragments, whose hosts...

["Bioinformatics","Genomics","Taxonomy","Virology"]
doi:10.7717/peerj.3243
55 downloads
415 views

The present study investigated the understanding of goal-directed actions in Tonkean macaques (Macaca tonkeana) using the unwilling versus unable paradigm, previously used in several species. Subjects were tested in three experimental conditions that varied according...

["Animal Behavior","Evolutionary Studies","Neuroscience","Zoology"]
doi:10.7717/peerj.3227
42 downloads
196 views

Phytohemagglutinin (PHA)-induced skin swelling response is widely used as a rough surrogate of integrative cell-mediated and innate immunity across multiple vertebrate taxa due to its simplification and feasibility. However, little is known whether there are sex...

["Ecology","Zoology"]
doi:10.7717/peerj.3181
759 downloads
3,296 views

Brachiosauridae is a clade of titanosauriform sauropod dinosaurs that includes the well-known Late Jurassic taxa Brachiosaurus and Giraffatitan. However, there is disagreement over the brachiosaurid affinities of most other taxa, and little consensus regarding...

["Evolutionary Studies","Paleontology"]
doi:10.7717/peerj.3217

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