Peer-reviewed Articles - Biology

56 downloads
268 views

Changes in the mean and variance of phenotypic traits like wing and head morphology are frequently used as indicators of environmental stress experienced during development and may serve as a convenient index of urbanization exposure. To test this claim, we collected...

["Ecology","Entomology","Environmental Impacts"]
doi:10.7717/peerj.5940
20 downloads
103 views

Bacteria play a crucial role in the marine carbon cycle, contributing to the production and degradation of organic carbon. Here, we investigated organic carbon pools, aggregate formation, and bacterioplankton communities in three contrasting oceanographic settings...

["Ecology","Marine Biology","Microbiology"]
doi:10.7717/peerj.5984
60 downloads
377 views

Ecological communities are composed of a combination of core species that maintain local viable populations and transient species that occur infrequently due to dispersal from surrounding regions. Preliminary work indicates that while core and transient species...

["Computational Biology","Ecology"]
doi:10.7717/peerj.6019
87 downloads
318 views

One of the major trends in the evolution of parasitoid wasps is miniaturization, which has produced the smallest known insects. Megaphragma spp. (Hymenoptera: Trichogrammatidae) are smaller than some unicellular organisms, with an adult body length of the smallest...

["Entomology","Zoology"]
doi:10.7717/peerj.6005
38 downloads
250 views

Background Clostridium perfringens (C. perfringens) type C is the most common bacteria causing piglet diarrheal disease and it greatly affects the economy of the global pig industry. The spleen is an important immune organ in mammals; it plays an irreplaceable...

["Genomics","Microbiology","Molecular Biology"]
doi:10.7717/peerj.5997
36 downloads
375 views

Background The isolated population of desert bighorn sheep in the Silver Bell Mountains of southern Arizona underwent an unprecedented expansion in merely four years. We hypothesized that immigration from neighboring bighorn sheep populations could have caused...

["Conservation Biology","Genetics","Population Biology"]
doi:10.7717/peerj.5978
56 downloads
521 views

Some animals, such as the bombardier beetles (Coleoptera: Carabidae: Brachinini), have evolved chemical defences against predators. When attacked, bombardier beetles can discharge noxious chemicals at temperatures of approximately 100 °C from the tip of their abdomens,...

["Animal Behavior","Ecology","Entomology","Evolutionary Studies","Zoology"]
doi:10.7717/peerj.5942
79 downloads
686 views

Two peccary species, Mylohyus elmorei and Prosthennops serus are described from the medium-bodied fauna of the Gray Fossil Site (GFS) of northeastern Tennessee. This site, recognized as an oak-hickory forest, is latest Hemphillian or earliest Blancan based on mammalian...

["Paleontology","Taxonomy"]
doi:10.7717/peerj.5926
32 downloads
123 views

Background Epiphytic bryophyte communities in the Amazon forest show a vertical gradient in species composition along the trunk of the host trees. The investigation of species traits related to this pattern has focused on the physiology of selected taxa with a...

["Biodiversity","Ecology","Plant Science"]
doi:10.7717/peerj.5921
44 downloads
278 views

Multimodal imaging enables sensitive measures of the architecture and integrity of the human brain, but the high-dimensional nature of advanced brain imaging features poses inherent challenges for the analyses and interpretations. Multivariate age prediction reduces...

["Neuroscience","Psychiatry and Psychology","Radiology and Medical Imaging","Data Science"]
doi:10.7717/peerj.5908
34 downloads
197 views

The orb-weaver spider Meta bourneti Simon 1922 (Araneae: Tetragnathidae) is one of the most common cave predators occurring in the Mediterranean basin. Although the congeneric M. menardi represented the model species in several studies, our knowledge of M. bourneti...

["Animal Behavior","Ecology","Entomology","Zoology"]
doi:10.7717/peerj.6049
63 downloads
280 views

Background Nitrogen (N) is an important macronutrient that controls the productivity of ecosystems and biological nitrogen fixation (BNF) is a major source of N in terrestrial systems, particularly tropical forests. Bamboo dominates theses forests, but our knowledge...

["Conservation Biology","Ecology","Biogeochemistry","Forestry"]
doi:10.7717/peerj.6024
37 downloads
182 views

Background Haemophilus parasuis is the etiological agent of Glässer’s disease, and causes severe economic losses in the swine industry. Serovar classification is intended as an indicator of virulence and pathotype and is also crucial for vaccination programs and...

["Microbiology","Veterinary Medicine","Infectious Diseases"]
doi:10.7717/peerj.6017
65 downloads
390 views

Coral reefs are degrading through the impacts of multiple anthropogenic stressors. How are coral reef communities going to change and how to protect them for future generations are important conservation questions. Using coral reef data from Mauritius, we examined...

["Conservation Biology","Ecology","Climate Change Biology"]
doi:10.7717/peerj.6014
38 downloads
246 views

Background In horses and ponies, insulin dysregulation leading to hyperinsulinemia may be associated with increased risk of laminitis, and prolonged infusion of insulin can induce the condition. It is unclear whether insulin may have a direct or indirect effect...

["Cell Biology","Veterinary Medicine","Metabolic Sciences"]
doi:10.7717/peerj.5945

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