Article
Multidisciplinary Sciences
Yin Wang, Jai Hoon Eum, Ruby E. Harrison, Luca Valzania, Xiushuai Yang, Jena A. Johnson, Derek T. Huck, Mark R. Brown, Michael R. Strand
Summary: The study found that Aedes aegypti larvae exhibit different development patterns under varied diets and environmental conditions. Axenic larvae cannot grow under standard conditions but can develop in darkness. Riboflavin was identified as the key factor preventing the growth of axenic larvae, and gut microbiota play a critical role in providing riboflavin.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2021)
Review
Biochemistry & Molecular Biology
Michael Berenbrink
Summary: The study highlights the evolution of myoglobin with increased net positive surface charge in certain diving mammals, enhancing muscle oxygen storage capacity and maximum dive duration. By using myoglobin net surface charge as a marker, insights into the evolution of mammal diving capacity and adaptive protein evolution mechanisms are gained.
COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY A-MOLECULAR & INTEGRATIVE PHYSIOLOGY
(2021)
Article
Physiology
Charlotte Nelson, Angelina M. Dichiera, Ellen H. Jung, Colin J. Brauner
Summary: The unique teleost oxygenation system possesses three main characteristics: pH-sensitive haemoglobin, red blood cell intracellular pH protection, and heterogeneous distribution of plasma-accessible carbonic anhydrase (paCA). The absence of paCA from all four gill arches was confirmed, while evidence for its presence in nine other tissues was found. The study also revealed tissue-specific expression of CA-IV isoform, suggesting divergent roles in gas exchange and ion/acid-base balance. This study presents the first comprehensive atlas of paCA availability in the circulatory system of rainbow trout, filling important gaps in our understanding of this unique oxygenation system.
JOURNAL OF COMPARATIVE PHYSIOLOGY B-BIOCHEMICAL SYSTEMS AND ENVIRONMENTAL PHYSIOLOGY
(2023)
Article
Engineering, Multidisciplinary
Krishnashis Chatterjee, Philip M. Graybill, John J. Socha, Rafael Davalos, Anne E. Staples
Summary: The research shows that microfluidic devices designed by mimicking insect respiratory kinematics can control flow rate and direction without internal valves, and achieve selective response of individual channels to a single global actuation frequency.
BIOINSPIRATION & BIOMIMETICS
(2021)
Review
Zoology
Bernd Pelster
Summary: The swimbladder in fish is a special organ that helps reduce density and facilitate gas exchange. To adapt to breathing air, fish reduce gill surface area and undergo physiological adjustments, such as ion homeostasis and acid-base regulation. The swimbladder also requires gas secretion mechanisms and surfactant for proper function at different depths.
JOURNAL OF EXPERIMENTAL ZOOLOGY PART A-ECOLOGICAL AND INTEGRATIVE PHYSIOLOGY
(2021)
Article
Biology
Vivien Horvath, Sara Guirao-Rico, Judit Salces-Ortiz, Gabriel E. Rech, Llewellyn Green, Eugenio Aprea, Mirco Rodeghiero, Gianfranco Anfora, Josefa Gonzalez
Summary: Climate change significantly impacts the distribution and biodiversity of organisms, particularly by altering water availability and exposing species to desiccation stress. Most previous studies have focused on the effects of temperature, but integrating transcriptomics and physiology is essential for understanding how species cope with desiccation stress. European D. melanogaster populations from arid regions were found to be more tolerant to desiccation compared to those from temperate regions, and their gene expression and physiological responses were correlated.
Article
Environmental Sciences
Baocheng Zhang, Lingyan Zhou, Xuhui Zhou, Yanfen Bai, Maokui Zhan, Ji Chen, Chengyuan Xu
Summary: This study examined the effects of insects and pathogens on plant photosynthesis using a meta-analysis approach. The results showed that biotic disturbance significantly decreased photosynthetic rate and affected various parameters and chlorophyll fluorescence properties. Pathogens had a greater impact on photosynthesis than insects. Crop plants were more sensitive to biotic disturbance, posing challenges to agricultural systems in the future.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Multidisciplinary Sciences
Orathai Kamsoi, Alba Ventos-Alfonso, Fernando Casares, Isabel Almudi, Xavier Belles
Summary: In the Paleozoic era, certain insect groups continued molting after forming functional wings, while modern flying insects generally stop molting after metamorphosis. Mayflies are an exception, molting during the subimago stage. The identity and purpose of the subimago remain a topic of debate.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2021)
Article
Biodiversity Conservation
Nele Meyer, Yi Xu, Katri Karjalainen, Sylwia Adamczyk, Christina Biasi, Lona van Delden, Angela Martin, Kevin Mganga, Kristiina Myller, Outi-Maaria Sietio, Otso Suominen, Kristiina Karhu
Summary: The study found that mountain birch forests at the subarctic treeline are influenced by both global warming and caterpillar outbreaks, but their specific effects on soil organic carbon stocks and biogeochemical cycles remain unclear. Soil organic carbon stocks were significantly higher under living trees compared to treeless tundra, and remained elevated even under dead trees, suggesting accelerated organic matter turnover under living trees and a positive net effect on soil organic carbon stocks.
GLOBAL CHANGE BIOLOGY
(2022)
Article
Biochemistry & Molecular Biology
Miao Jiang, Xinfang Zhang, Kamel Fezzaa, Kristen E. Reiter, Valerie R. Kramer-Lehnert, Brandon T. Davis, Qi-Huo Wei, Matthew S. Lehnert
Summary: This study reveals that butterflies and moths have micropores and superhydrophobic tracheae on their proboscis surface, which help them overcome distance effects on gas exchange. These adaptations are important for the elongation of the proboscis and the diversification of Lepidoptera, and also facilitated their coevolution with angiosperms.
Article
Biotechnology & Applied Microbiology
Xinyang Li, Moli Yin, Hongmei Wang, Shengbao Duan, Huiyan Wang, Yong Li, Tiemei Liu
Summary: The study found that the hydrogel fluoroimmunoassay can accurately measure fluorescence intensity by flow cytometry, differentiate fetal hemoglobin from adult hemoglobin, and thus provide quantitative prenatal diagnosis of fetal hemoglobin to address the immunological reaction caused by incompatibility between fetal and maternal blood types.
FRONTIERS IN BIOENGINEERING AND BIOTECHNOLOGY
(2023)
Article
Anesthesiology
K. C. Caulfield, O. Mcmahon, A. T. Dennis
Summary: This study compared the feasibility of different methods for measuring hemoglobin levels in antenatal detection. The results showed that venous HemoCue measurement had an acceptable accuracy, while capillary HemoCue and Masimo measurements had certain biases, limiting their clinical use.
Article
Engineering, Aerospace
Muqing Yang, Dongli Ma, Liang Zhang
Summary: The temperature difference between the solar cells on the upper surface of a solar unmanned aerial vehicle (UAV) wing and the atmospheric temperature during flight can induce buoyancy-driven Gortler vortices, which affect the aerodynamic characteristics of the wing. In this study, a hybrid RANS-LES-based approach was used to simulate the flow above a heated flat plate and analyze the influence of Gortler vortices under different flow velocities and temperature differences. The results showed that the presence of buoyancy-driven Gortler vortices increased the friction drag coefficient and the intensity of the vortices increased with higher temperature differences and lower flow velocities.
Article
Mechanics
A. Gergely, Cs. Paizs, R. Toetoes, Z. Neda
Summary: Research on convection-driven fluid columns reveals that increasing the nozzle diameter results in decreased oscillation frequency, while increasing the flow rate leads to higher frequency. Anti-phase synchronization and beating phenomena are observed when helium columns of nearby frequencies are placed close to each other.
Article
Mechanics
Joung Sook Hong, Min Chan Kim
Summary: This study investigates the dissolution of a horizontal salt body by considering the dynamics of the dissolution reaction and mass transfer at the salt surface. The results reveal that the onset of gravitational instability can be described by scaling relationships between parameters, and suggest proportional relationships for the height change and pattern formation during dissolution. Numerical simulations visualize the convective flow fields, interface recession, and pattern formation during dissolution. This study provides important insights for controlling dissolution patterns.
JOURNAL OF FLUID MECHANICS
(2023)
Article
Biology
Qiaohui Hu, Thomas J. Nelson, Edward P. Snelling, Roger S. Seymour
JOURNAL OF EXPERIMENTAL BIOLOGY
(2018)
Editorial Material
Anthropology
Roger S. Seymour, Edward P. Snelling
JOURNAL OF HUMAN EVOLUTION
(2019)
Article
Physiology
Adian Izwan, Edward P. Snelling, Roger S. Seymour, Leith C. R. Meyer, Andrea Fuller, Anna Haw, Duncan Mitchell, Anthony P. Farrell, Mary-Ann Costello, Shane K. Maloney
JOURNAL OF COMPARATIVE PHYSIOLOGY B-BIOCHEMICAL SYSTEMS AND ENVIRONMENTAL PHYSIOLOGY
(2018)
Article
Biology
Roger S. Seymour, Qiaohui Hu, Edward P. Snelling, Craig R. White
JOURNAL OF EXPERIMENTAL BIOLOGY
(2019)
Article
Anatomy & Morphology
Edward P. Snelling, Roger S. Seymour, Dino A. Giussani, Andrea Fuller, Shane K. Maloney, Anthony P. Farrell, Duncan Mitchell, Keith P. George, Edward M. Dzialowski, Sonnet S. Jonker, Tilaye Wube
JOURNAL OF ANATOMY
(2019)
Article
Multidisciplinary Sciences
Alessandro Palci, Roger S. Seymour, Cao Van Nguyen, Mark N. Hutchinson, Michael S. Y. Lee, Kate L. Sanders
ROYAL SOCIETY OPEN SCIENCE
(2019)
Article
Anatomy & Morphology
Roger S. Seymour, Qiaohui Hu, Edward P. Snelling
JOURNAL OF ANATOMY
(2020)
Article
Anatomy & Morphology
Qiaohui Hu, Thomas J. Nelson, Roger S. Seymour
JOURNAL OF ANATOMY
(2020)
Article
Biology
Roger S. Seymour, Vanya Bosiocic, Edward P. Snelling, Prince C. Chikezie, Qiaohui Hu, Thomas J. Nelson, Bernhard Zipfel, Case V. Miller
PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
(2019)
Article
Physiology
Sarah Rola-Wojciechowski Barrett, Roger S. Seymour
Summary: Respiratory gas exchange in avian embryos progresses through three stages inside the egg, with oxygen mainly obtained through diffusion during early stages and later transition to chorioallantoic and pulmonary gas exchange. The study reveals that fluids surrounding the embryo greatly impede oxygen diffusion, leading to severe hypoxia near the embryo and rising lactate levels.
JOURNAL OF COMPARATIVE PHYSIOLOGY B-BIOCHEMICAL SYSTEMS AND ENVIRONMENTAL PHYSIOLOGY
(2021)
Article
Anatomy & Morphology
Qiaohui Hu, Thomas J. Nelson, Roger S. Seymour
Summary: The study utilized vascular contrast and micro-computerized tomographic scanning to investigate femoral nutrient foramen and artery sizes in three groups of sub-adult chickens. The results showed a significant correlation between artery lumen size and foramen size, suggesting a method for estimating blood flow rates through nutrient arteries. Laying hens tend to have higher nutrient artery perfusion rates, potentially due to extra oxygen and calcium requirements for eggshell production.
JOURNAL OF ANATOMY
(2022)
Article
Biology
Qiaohui Hu, Thomas J. Nelson, Roger S. Seymour
Summary: The metabolic rate of vertebrate bone tissue is related to bone growth, repair, and homeostasis, all of which depend on the life stage. The blood flow rate is difficult to measure directly, but absolute blood flow rate should reflect local tissue oxygen requirements. Laying hens had a higher wet bone mass-specific blood flow rate to femora than non-laying hens and roosters, possibly due to higher bone calcium mobilization during eggshell production.
JOURNAL OF EXPERIMENTAL BIOLOGY
(2021)
Article
Biology
Gordon Grigg, Julia Nowack, Jose Eduardo Pereira Wilken Bicudo, Naresh Chandra Bal, Holly N. Woodward, Roger S. Seymour
Summary: The whole-body endothermy in modern birds and mammals may have a similar origin, challenging the previous assumption of independent evolution. The similarity in early muscle thermogenesis processes in birds and mammals supports the hypothesis of homology in whole-body endothermy.
BIOLOGICAL REVIEWS
(2022)
Article
Biology
Heidi D. Horrell, Anika Lindeque, Anthony P. Farrell, Roger S. Seymour, Craig R. White, Kayla M. Kruger, Edward P. Snelling
Summary: This meta-study found that cardiac capillary numerical density and mitochondrial volume density decrease with increasing body mass. The scaling trajectories suggest quantitative matching between the supply and consumption of oxygen in the heart, supporting the economic design at the cellular level. However, the exponent for the maximum external mechanical power of the cardiac tissue decreases at a slower rate, implying a declining external mechanical efficiency of the heart with increasing body mass.
PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
(2022)
Article
Biodiversity Conservation
Qiaohui Hu, Case Vincent Miller, Edward P. Snelling, Roger S. Seymour
Summary: The study investigates the relationship between blood flow rate to the femur and body mass among cursorial birds, using fossil foramina data and comparing them with extant species. The results support the existence of terrestrial locomotor activity in cursorial birds and reveal similar scaling relationships. Femoral bone blood flow rates in extinct species are similar to those of extant cursorial birds after accounting for body mass and locomotor behaviors.