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The widespread invasion of the nonmycorrhizal biennial plant, Alliaria petiolata in North America is hypothesized to be facilitated by the production of novel biochemical weapons that suppress the growth of mycorrhizal fungi. As a result, A. petiolata is expected...

["Biodiversity","Ecology","Environmental Sciences","Plant Science"]
doi:10.7717/peerj.1090

The coexistence of multiple hominin species during the Lower Pleistocene has long presented a challenge for taxonomic attribution of isolated postcrania. Although fossil humeri are well-suited for studies of hominin postcranial variation due to their relative abundance,...

["Anthropology","Evolutionary Studies","Paleontology"]
doi:10.7717/peerj.1084

The structural complexity of coral reefs plays a major role in the biodiversity, productivity, and overall functionality of reef ecosystems. Conventional metrics with 2-dimensional properties are inadequate for characterization of reef structural complexity. A...

["Conservation Biology","Ecology","Ecosystem Science","Environmental Sciences","Marine Biology"]
doi:10.7717/peerj.1077

Background. Over the last few decades, an increasing number of studies have suggested a connection between neurodevelopmental problems (NDPs) and body mass index (BMI). Attention deficit/hyperactivity disorder (ADHD) and autism spectrum disorders (ASD) both seem...

["Epidemiology","Neurology","Nutrition","Psychiatry and Psychology","Public Health"]
doi:10.7717/peerj.1024

As more than 90% of species in a microbial community could not be isolated and cultivated, the metagenomic methods have become one of the most important methods to analyze microbial community as a whole. With the fast accumulation of metagenomic samples and the...

["Bioinformatics"]
doi:10.7717/peerj.993
32 downloads
170 views

Caloric restriction (CR) can trigger gorging behavior. We examined macronutrient choice and behavior in mice that gorged during restriction compared to restricted non-gorgers and controls. Fifty MF1 male mice were restricted to 75% of ad-libitum food intake (FI),...

["Animal Behavior","Zoology"]
doi:10.7717/peerj.1091
21 downloads
172 views

The distortion of biomedical signals by powerline noise from recording biomedical devices has the potential to reduce the quality and convolute the interpretations of the data. Usually, powerline noise in biomedical recordings are extinguished via band-stop filters....

["Bioengineering","Computational Biology","Cardiology","Drugs and Devices","Neurology"]
doi:10.7717/peerj.1086
33 downloads
217 views

Carcinoma of the prostate is the most commonly diagnosed malignancy and the third leading cause of mortality in New Zealand men, making it a significant health issue in this country. Global distribution patterns suggest that diet and lifestyle factors may be linked...

["Nutrition","Oncology","Urology"]
doi:10.7717/peerj.1080
22 downloads
155 views

Climate change over the last two centuries has been associated with significant shifts in diatom community structure in lakes from the high arctic to temperate latitudes. To test the hypotheses that recent climate warming selects for species of smaller size within...

["Environmental Sciences"]
doi:10.7717/peerj.1074
14 downloads
133 views

The American brine shrimp Artemia franciscana is invasive in the Mediterranean region where it has displaced native species (the sexual A. salina, and the clonal A. parthenogenetica) from many salt pond complexes. Artemia populations are parasitized by numerous...

["Biodiversity","Ecology","Parasitology","Zoology"]
doi:10.7717/peerj.1073
27 downloads
316 views

Larger benthic foraminifera (LBF) are important and prolific carbonate producers both in modern and ancient shallow tropical seas. During the Paleogene the genus Nummulites was particularly abundant with a global distribution, leading it to be frequently used in...

["Evolutionary Studies","Paleontology"]
doi:10.7717/peerj.1072
29 downloads
105 views

Background. Few studies have prospectively examined whether depressive symptoms and other risk factors are associated with a higher risk of suicide death in individuals other than high-risk populations such as psychiatric patients and individuals with self-harm...

["Epidemiology","Psychiatry and Psychology","Public Health"]
doi:10.7717/peerj.1071
28 downloads
142 views

Background. The Derriford Appearance Scale24 (DAS24) is a widely used measure of distress and dysfunction in relation to self-consciousness of appearance. It has been used in clinical and research settings, and translated into numerous European and Asian languages....

["Psychiatry and Psychology","Statistics"]
doi:10.7717/peerj.1070
19 downloads
136 views

Introduction. The metabolic syndrome (MS) affects 21–53% of patients with chronic obstructive pulmonary disease (COPD) with a higher prevalence in the early stages of COPD, with results being highly variable between studies. MS may also affect natural course of...

["Diabetes and Endocrinology","Epidemiology","Internal Medicine","Respiratory Medicine"]
doi:10.7717/peerj.1068
24 downloads
136 views

Some higher plants, both angiosperms and gymnosperms, can produce resins and some of these resins can polymerize and fossilize to form ambers. Various physical and chemical techniques have been used to identify and profile different plant resins and have then been...

["Paleontology","Plant Science"]
doi:10.7717/peerj.1067

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