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51 downloads
79 views

The teosinte branched1(tb1) gene is a major QTL controlling branching differences between maize and its wild progenitor, teosinte. The insertion of a transposable element (Hopscotch) upstream of tb1 is known to enhance the gene’s expression, causing reduced tillering...

["Agricultural Science","Ecology","Evolutionary Studies","Genetics"]
doi:10.7717/peerj.900
97 downloads
51 views

Flowering is one of the most influential events in the life history of a plant and one of the main determinants of reproductive investment and lifetime fitness. It is also a highly complex trait controlled by dozens of genes. Understanding the selective pressures...

["Ecology","Evolutionary Studies","Plant Science"]
doi:10.7717/peerj.898
91 downloads
93 views

Partible paternity refers to the conception belief that children can have multiple fathers (“co-fathers”) and is common to indigenous cultures of lowland South America. The nature of social relationships observed between co-fathers reveals information about the...

["Anthropology"]
doi:10.7717/peerj.899
203 downloads
389 views

We report a new deltatheroidan mammal from the Upper Cretaceous of Henna, China. The new taxon, Lotheridium mengi, is based on a nearly complete skull and associated lower jaws with full adult dentition. Deltatheroidans are known mostly from fragmentary specimens...

["Paleontology"]
doi:10.7717/peerj.896
68 downloads
94 views

Background and Aims. This paper concludes our series of publications comparing island and mainland speciation in European butterfly-orchids, by studying the morphology, phylogenetics and reproductive biology of the controversial circum-arctic species Platanthera...

["Biodiversity","Conservation Biology","Evolutionary Studies","Plant Science","Taxonomy"]
doi:10.7717/peerj.894
100 downloads
32 views

The perspectives and practices of health care workers (HCWs) regarding disclosure to HIV-infected children have not been adequately investigated ten years after the roll-out of pediatrics antiretroviral therapy (ART). The aim of the study was to examine the opinions...

["Global Health","HIV","Infectious Diseases"]
doi:10.7717/peerj.893
774 downloads
3,953 views

Trace marks on the bones of non-avian dinosaurs may relate to feeding by large carnivores or as a result of combat. Here the cranium and mandible of a specimen of Daspletosaurus are described that show numerous premortem injuries with evidence of healing and these...

["Animal Behavior","Ecology","Paleontology"]
doi:10.7717/peerj.885
83 downloads
172 views

The exploration of the evolution of RNA viruses has been aided recently by the discovery of copies of fragments or complete genomes of non-retroviral RNA viruses (Non-retroviral Endogenous RNA Viral Elements, or NERVEs) in many eukaryotic nuclear genomes. Among...

["Evolutionary Studies","Molecular Biology","Mycology","Plant Science","Virology"]
doi:10.7717/peerj.876
30 downloads
77 views

The present study assesses swimbladder dynamics in natural occurring sardine, Sardina pilchardus, populations with the aim to examine whether this is affected by bathymetric positioning and the physiological state of the individuals. To do so, swimbladder size...

["Aquaculture, Fisheries and Fish Science","Marine Biology","Zoology"]
doi:10.7717/peerj.892
104 downloads
287 views

Objectives. The global burden of burnout cost is in excess of $300 billion annually. Locally, just under half of working Australians experience high levels of occupational burnout. Consequently, burnout interventions are paramount to organisational productivity....

["Psychiatry and Psychology"]
doi:10.7717/peerj.891
145 downloads
63 views

Microbes produce a variety of compounds that are used to kill or suppress other species. Traditional antibiotics have their origins in these natural products, as do many types of compounds being pursued today in the quest for new antibacterial drugs. When a potential...

["Evolutionary Studies","Mathematical Biology","Microbiology"]
doi:10.7717/peerj.879
40 downloads
115 views

The branch autonomy principle, which states that the growth of individual branches can be predicted from their morphology and position in the forest canopy irrespective of the characteristics of the tree, has been used to simplify models of branch growth in trees....

["Computational Biology","Ecology","Plant Science"]
doi:10.7717/peerj.873
47 downloads
41 views

Aim. Poor sleep quality due to pain has been reported among opioid-dependent male patients on methadone maintenance therapy (MMT) but objective pain data are lacking. This study aimed to investigate the rate of pain-sensitivity using cold pressor test (CPT) and...

["Anaesthesiology and Pain Management","Drugs and Devices","Internal Medicine","Nursing","Pharmacology"]
doi:10.7717/peerj.839
58 downloads
101 views

The demand for bioenergy caused an increased use of logging residues, branches and treetops that were previously left on the ground after harvesting. Residues are stored outdoors in piles and it is unclear to what extent fungi transform this material. Our objective...

["Agricultural Science","Ecosystem Science","Mycology"]
doi:10.7717/peerj.887
124 downloads
434 views

Whale sharks Rhincodon typus are globally threatened, but a lack of biological and demographic information hampers an accurate assessment of their vulnerability to further decline or capacity to recover. We used laser photogrammetry at two aggregation sites to...

["Conservation Biology","Ecology","Marine Biology","Zoology"]
doi:10.7717/peerj.886

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