Article
Biophysics
Kyoung Jae Kim, Alexander Baughman, Patrick Estep, Eric Rivas, Millennia Young, Karina Marshall-Goebel, Andrew Abercromby, Jeffrey Somers
Summary: This study investigates the metabolic cost of walking on simulated lunar terrains. The results show that walking on mixed terrain requires significantly higher metabolic costs compared to other terrain conditions. Additionally, IMU-based gait variables can distinguish different terrains and identify changes in gait in simulated lunar environments.
PHYSIOLOGICAL MEASUREMENT
(2023)
Article
Biochemistry & Molecular Biology
Yang Cheng, Yuhao Chi, Linying Sun, Guang-Zhong Wang
Summary: This study analyzed rhythmic gene expression in eight different species and identified four common distribution patterns. The findings suggest that the maintenance of reduced energetic costs constrains the evolution of rhythmic gene expression and that the peaks of rhythmic expression are influenced by selective pressure. The results indicate that selective pressure from circadian regulation efficiently removes unnecessary gene products from the transcriptome, significantly impacting its evolutionary path.
COMPUTATIONAL AND STRUCTURAL BIOTECHNOLOGY JOURNAL
(2023)
Article
Neurosciences
Lucia Mendoza-Viveros, Clarisa Marmolejo-Gutierrez, Carolina Cid-Castro, Quetzalcoatl Escalante-Covarrubias, Emilie Montellier, Erick Carreno-Vazquez, Lilia G. Noriega, Laura A. Velazquez-Villegas, Armando R. Tovar, Paolo Sassone-Corsi, Lorena Aguilar-Arnal, Ricardo Orozco-Solis
Summary: Hypothalamic circuits control metabolism and astrocytes play a role in integrating metabolic information. The role of the astrocytic circadian clock in energy balance regulation is unclear. A study on mice reveals that the circadian clock in astrocytes modulates energy balance through regulation of cellular stress responses.
Article
Multidisciplinary Sciences
Frank A. J. L. Scheer, Michael F. Hilton, Heather L. Evoniuk, Sally A. Shiels, Atul Malhotra, Rena Sugarbaker, R. Timothy Ayers, Elliot Israel, Anthony F. Massaro, Steven A. Shea
Summary: The study found that asthma patients experience worsened lung function and exacerbation of symptoms at night, often masked by sleep. Asthma patients exhibit significant circadian rhythms throughout the day and are more likely to use bronchodilators during the night.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2021)
Review
Microbiology
Emily M. Wollmuth, Esther R. Angert
Summary: Circadian rhythms have important impacts on gene expression and metabolism in bacteria, but so far, only the circadian clock mechanism in cyanobacteria has been revealed. Daily oscillations in microbial communities are largely controlled by light-dark cycles in marine ecosystems and symbioses, while the influx of nutrients in the gut system can significantly alter the gut microbiota. Further research is needed to confirm whether heterotrophic bacteria associated with hosts possess circadian rhythm systems and how they respond to diel cycles.
Review
Endocrinology & Metabolism
Alexandra J. Brownstein, Michaela Veliova, Rebeca Acin-Perez, Marc Liesa, Orian S. Shirihai
Summary: Obesity results from an imbalance in energy homeostasis, with interest in exploiting thermogenic processes to counteract obesity. Mitochondrial uncoupling and other mechanisms can dissipate energy, with futile cycles such as lipolysis and calcium import/export cycle consuming energy. These cycles highlight the importance of mitochondrial oxidative function and ATP synthesis in thermogenic energy dissipation.
REVIEWS IN ENDOCRINE & METABOLIC DISORDERS
(2022)
Article
Environmental Sciences
Mathis Cordier, Cindy Torres, Pejman Rasti, David Rousseau
Summary: Occlusion is a common issue in computer vision, especially in plant imaging. We propose using innovative sampling algorithms to monitor the growth of individual plants and solve self-occlusion problems, allowing for longer observation durations.
Article
Biochemistry & Molecular Biology
Kevin P. Kelly, Kate L. J. Ellacott, Heidi Chen, Owen P. McGuinness, Carl Hirschie Johnson
Summary: Time-restricted feeding is crucial for weight management as it affects metabolism, but previous studies have often confused feeding time with fasting time; Researchers have introduced a new time-optimized feeding plan to better analyze the effects of meal timing on the body, and to more accurately simulate human eating patterns in the laboratory; According to the data, controlling the timing of carbohydrate and fat oxidation can effectively limit fat accumulation.
Article
Medicine, General & Internal
Shuhao Lin, Sofia Cienfuegos, Mark Ezpeleta, Kelsey Gabel, Vasiliki Pavlou, Andrea Mulas, Kaitie Chakos, Mara McStay, Jackie Wu, Lisa Tussing-Humphreys, Shaina J. Alexandria, Julienne Sanchez, Terry Unterman, Krista A. Varady
Summary: This study compared time-restricted eating (TRE) with calorie restriction (CR) and control group to evaluate their effects on weight control and cardiometabolic risk reduction. The results showed that both TRE and CR were similarly effective in weight loss compared to the control group. However, in a racially diverse population, TRE was not more effective than CR.
ANNALS OF INTERNAL MEDICINE
(2023)
Article
Endocrinology & Metabolism
Josiane L. Broussard, Samuel Klein
Summary: This article discusses the association between insufficient sleep and the risk of obesity, as well as the potential therapeutic effects of sleep extension in individuals with chronic sleep insufficiency.
Article
Environmental Sciences
Kuebranur cebi Karaaslan, Yahya Alguel
Summary: The aim of the study is to determine the factors that affect the entire energy expenditure of households in Turkey, including heating, electricity, kitchen needs, and fuel needs for transportation, and to determine the quantities of these effects. The results of the study provide valuable information to policy makers and decision makers in order to minimize the risks originating from energy import and expenditure by revealing the factors affecting the energy expenditure of households in Turkey.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Astronomy & Astrophysics
Norbert Schorghofer
Summary: This study models the migration of water molecules in the porous lunar soil and finds significant water sequestration at certain depths. The model predicts the formation of a hydrated layer and a desiccated layer at specific sites. The results help explain the presence of excess hydrogen concentrations outside of cold traps and the observed desiccated layer above a hydrogenous layer.
ASTROPHYSICAL JOURNAL LETTERS
(2022)
Editorial Material
Biochemistry & Molecular Biology
Raghav Jain, Judith Simcox
Summary: Localized hyperthermia has been found to activate thermogenic mechanisms, leading to increased energy expenditure and reduced body weight in both mice and humans.
Article
Economics
Michael A. Kuhn
Summary: This paper examines the impact of different disbursement methods of the U.S. Supplemental Nutrition Assistance Program (SNAP) on household food spending, finding that Electronic Benefit Transfer (EBT) mitigated boom and bust cycles associated with SNAP disbursement, particularly for households with children. This effect primarily operates through the intensive margin of food spending during shopping trips.
JOURNAL OF POLICY ANALYSIS AND MANAGEMENT
(2021)
Article
Medicine, Research & Experimental
Jacob G. Smith, Tomoki Sato, Kohei Shimaji, Kevin B. Koronowski, Paul Petrus, Marlene Cervantes, Kenichiro Kinouchi, Dominik Lutter, Kenneth A. Dyar, Paolo Sassone-Corsi
Summary: The gut microbiome has a significant impact on brain metabolism, particularly in regulating circadian rhythms, learning, and behavior.
Article
Behavioral Sciences
Federico De Pascalis, Rhiannon E. Austin, Jonathan A. Green, John P. Y. Arnould, Simona Imperio, Maurizio Maugeri, Jane Haakonsson, Jacopo G. Cecere, Diego Rubolini
Summary: For the magnificent frigatebird, rainfall does not affect the choice of foraging areas, but it does reduce foraging time, increase perching time, and alter flight behavior. The predicted increase in rainfall in the tropics has the potential to disrupt foraging activities and affect breeding success.
BEHAVIORAL ECOLOGY
(2022)
Article
Ornithology
Rhianna L. Ricketts, Daniel W. E. Sankey, Bryce P. Tidswell, Joshua Brown, Joseph F. Deegan, Steven J. Portugal
Summary: The potential costs associated with dominance were studied in two flocks of domestic Homing Pigeons, where the most dominant birds within the flocks were found to have significantly higher movement levels than others. This suggests a possible cost to possessing the top rank within a dominance hierarchy.
Article
Ecology
Steven J. Portugal, Craig R. White
Summary: The study found that animal-borne logging devices can impact the body weight and energy budget of animals, and it is important to consider device size and attachment time when using biologging technology.
METHODS IN ECOLOGY AND EVOLUTION
(2022)
Article
Biochemical Research Methods
Marina Papadopoulou, Hanno L. Hildenbrandt, Daniel W. E. Sankey, Steven L. Portugal, Charlotte Hemelrijk
Summary: This study analyzes GPS data of pigeon flocks under attack by a robotic predator and uses computer simulations to study their collective escape. The study reveals that pigeon flock members turn away from the predator more frequently the closer the predator gets, which is a distance-dependent pattern. This pattern emerges through self-organization and coordination among individuals, with an increasing consensus over the escape direction as the predator gets closer.
PLOS COMPUTATIONAL BIOLOGY
(2022)
Article
Multidisciplinary Sciences
Marina Papadopoulou, Hanno Hildenbrandt, Daniel W. E. Sankey, Steven J. Portugal, Charlotte K. Hemelrijk
Summary: Complex patterns of collective escape in bird flocks attacked by a predator were studied using empirical data and a computational model. Two new patterns, early splits and collective turns, were identified and their formation was explained using an agent-based model.
ROYAL SOCIETY OPEN SCIENCE
(2022)
Article
Ecology
Andrew J. King, Steven J. Portugal, Daniel Strombom, Richard P. Mann, Jose A. Carrillo, Dante Kalise, Guido de Croon, Heather Barnett, Paul Scerri, Roderich Gross, David R. Chadwick, Marina Papadopoulou
Summary: Researchers propose using UAVs for bio-herding in order to manage and control wild animal groups. They suggest a potential framework using a pair of UAVs and highlight the challenges and importance of this approach.
METHODS IN ECOLOGY AND EVOLUTION
(2023)
Article
Biodiversity Conservation
Martin Beal, Paulo Catry, Richard A. Phillips, Steffen Oppel, John P. Y. Arnould, Maria I. Bogdanova, Mark Bolton, Ana P. B. Carneiro, Corey Clatterbuck, Melinda Conners, Francis Daunt, Karine Delord, Kyle Elliott, Aymeric Fromant, Jose Pedro Granadeiro, Jonathan A. Green, Lewis Halsey, Keith C. Hamer, Motohiro Ito, Ruth Jeavons, Jeong-Hoon Kim, Nobuo Kokubun, Shiho Koyama, Jude V. Lane, Won Young Lee, Sakiko Matsumoto, Rachael A. Orben, Ellie Owen, Vitor H. Paiva, Allison Patterson, Christopher Pollock, Jaime A. Ramos, Paul Sagar, Katsufumi Sato, Scott A. Shaffer, Louise Soanes, Akinori Takahashi, David R. Thompson, Lesley Thorne, Leigh Torres, Yutaka Watanuki, Susan M. Waugh, Henri Weimerskirch, Shannon Whelan, Ken Yoda, Jose C. Xavier, Maria P. Dias
Summary: Animal tracking studies provide insights into space use patterns and inform conservation planning. This study used GPS-tracking data from 23 seabird species to assess the importance of multi-year sampling for identifying important conservation sites. The results showed a high degree of spatial overlap among distribution patterns from different years, suggesting that tracking animals in multiple years may not be necessary. However, it is crucial to track enough individuals to provide a representative estimate of the population distribution during the sampling period.
BIOLOGICAL CONSERVATION
(2023)
Article
Multidisciplinary Sciences
Stephanie C. C. McClelland, Marie R. G. Attard, James Bowen, Nicholas P. C. Horrocks, Gabriel A. A. Jamie, Tanmay Dixit, Claire N. N. Spottiswoode, Steven J. J. Portugal
Summary: The eggs of avian brood-parasitic species have similar eggshell structures and compositions as their host's eggs, suggesting that the parasitic lifestyle does not greatly impact these traits.
ROYAL SOCIETY OPEN SCIENCE
(2023)
Article
Ornithology
Ian R. Cleasby, Ellie Owen, Adam Butler, Julia Baer, Jez Blackburn, Maria I. Bogdanova, Tessa Coledale, Francis Daunt, Stephen Dodd, Julian C. Evans, Jonathan A. Green, Tim Guilford, Michael P. Harris, Robert Hughes, Mark A. Newell, Stephen F. Newton, Gail S. Robertson, Lise Ruffino, Akiko Shoji, Louise M. Soanes, Stephen C. Votier, Ewan D. Wakefield, Sarah Wanless, Linda J. Wilson, Mark Bolton
Summary: Knowledge of seabird distributions is crucial for seabird conservation and marine management. However, most seabird colonies have not been tracked, so alternative methods must be used to assess their foraging distribution. By analyzing multiple tracking datasets, we found significant variations in foraging range among different colonies and individuals. Our estimates of typical foraging ranges for each species were also subject to high uncertainties.
Article
Biology
Daniel W. E. Sankey, Steven J. Portugal
Summary: Animals rely on movement to explore and exploit resources, but there are energetic costs associated with it. This study explores how group phenotypic composition affects individual speed and energy expenditure during group travel in homing pigeons. The researchers found that groups consisting of 'leader' phenotypes exhibit faster speed and greater cohesion. Additionally, groups with homogenous mass composition, whether all heavy or all light, were faster and expended less energy compared to groups with a mixture of heavy and light individuals.
JOURNAL OF EXPERIMENTAL BIOLOGY
(2023)
Article
Biology
Simon Potier, Alexandre Roulin, Graham R. Martin, Steven J. Portugal, Vincent Bonhomme, Thierry Bouchet, Romuald de Romans, Eva Meyrier, Almut Kelber
Summary: The size and shape of the binocular field in birds, particularly owls, is strongly influenced by ecological traits such as foraging behavior and habitat. While the shape of the binocular field remains relatively conserved among owl species, the size varies depending on factors such as habitat density and diet.
PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
(2023)
Article
Biology
Jennifer C. Cantlay, Graham R. Martin, Stephanie C. Mcclelland, Simon Potier, Michelle F. O'Brien, Esteban Fernandez-Juricic, Alexander L. Bond, Steven J. Portugal
Summary: The wide variation in visual field configuration in avian species is primarily influenced by foraging ecology, with minimal influence from phylogenetic relatedness. Foraging behaviors and body size have significant effects on binocular field characteristics.
PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
(2023)
Article
Multidisciplinary Sciences
Cecylia M. Watrobska, Gregoire Pasquier, Ellouise Leadbeater, Steven J. Portugal
Summary: Metabolic rate is correlated with behavioral differences, but does not affect memory, personality, and dominance in juvenile female chickens. Other unknown factors may drive behavioral variation in chicks.
ROYAL SOCIETY OPEN SCIENCE
(2023)
Article
Multidisciplinary Sciences
Marie R. G. Attard, James Bowen, Steven J. Portugal
Summary: Many bird species lay colored or patterned eggs, and the diversity of eggshell patterning is achieved through pigment. The study found that the foreground color of maculated eggs has a rougher surface compared to the background color. The texture of eggshells is correlated with various life-history traits.
JOURNAL OF THE ROYAL SOCIETY INTERFACE
(2023)
Article
Ornithology
Lila Buckingham, Francis Daunt, Maria I. Bogdanova, Robert W. Furness, Sophie Bennett, James Duckworth, Ruth E. Dunn, Sarah Wanless, Michael P. Harris, David C. Jardine, Mark A. Newell, Robin M. Ward, Ewan D. Weston, Jonathan A. Green
Summary: The non-breeding season poses energetic challenges to birds that breed in temperate or polar regions, with implications for population dynamics. This study investigated the influence of non-breeding location on diet, behavior, and energetics in the common guillemot. The results showed that individuals from different breeding colonies exhibited distinct distribution, diet, and behavior, but had similar energy expenditure during late winter.
JOURNAL OF AVIAN BIOLOGY
(2023)