103 Works

Pulmonary function with expiratory resistive loading in healthy volunteers

Daniel Cannon, Jyotika Erram, Monica Bari & Antoinette Domingo
Expiratory flow limitation is a key characteristic in obstructive pulmonary diseases. To study abnormal lung mechanics isolated from heterogeneities of obstructive disease, we measured pulmonary function in healthy adults with expiratory loading. Thirty-seven volunteers (25±5 yr) completed spirometry and body plethysmography under control and threshold expiratory loading of 7, 11 cmH2O, and a subset at 20 cmH2O (n=11). We analyzed the shape of the flow-volume relationship with rectangular area ratio (RAR; Ma et al., Respir...

The intensity of sexual selection, body size and reproductive success in a mating system with male-male combat: Is bigger better?

Xavier Glaudas, Stephen Rice, Rulon Clark & Graham Alexander
Body size is a key selected trait in many animal systems: larger size is sexually selected for in males because it confers a reproductive advantage during contest competition for access to females, and larger females are naturally selected for fecundity. Herein, we used radio-telemetry to gather a large dataset of male-female interactions and DNA paternity analyses to characterize the intensity of sexual selection and the link between two body size metrics (body length and condition,...

Nocturnal dissolved organic matter release by turf algae and its role in the microbialization of reefs

Mueller Benjamin, Hannah Brocke, Forest Rohwer, Thorsten Dittmar, Jef Huisman, Mark Vermeij & Jasper De Goeij
The increased release of dissolved organic matter (DOM) by algae has been associated with the fast but inefficient growth of opportunistic microbial pathogens and the ongoing degradation of coral reefs. Turf algae (consortia of micro- and macroalgae commonly including cyanobacteria) dominate benthic communities on many reefs worldwide. Opposite to other reef algae that predominantly release DOM during the day, turf algae containing cyanobacteria may additionally release large amounts of DOM at night. However, this night-DOM...

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