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Carrasquilla GD, Ängquist L, Sørensen TIA, Kilpeläinen TO, Loos RJF. Child-to-adult body size change and risk of type 2 diabetes and cardiovascular disease. Diabetologia 2024; 67:864-873. [PMID: 38085289 PMCID: PMC10954919 DOI: 10.1007/s00125-023-06058-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Accepted: 10/20/2023] [Indexed: 03/21/2024]
Abstract
AIMS/HYPOTHESIS Childhood overweight increases the risk of type 2 diabetes and cardiovascular disease in adulthood. However, the impact of childhood leanness on adult obesity and disease risk has been overlooked. We examined the independent and combined influences of child and adult body size on the risk of type 2 diabetes and cardiovascular disease. METHODS Data from the UK Biobank on 364,695 individuals of European ancestry and free of type 2 diabetes and cardiovascular disease were divided into nine categories based on their self-reported body size at age 10 and measured BMI in adulthood. After a median follow-up of 12.8 years, 33,460 individuals had developed type 2 diabetes and/or cardiovascular disease. We used Cox regression models to assess the associations of body size categories with disease incidence. RESULTS Individuals with low body size in childhood and high body size in adulthood had the highest risk of type 2 diabetes (HR 4.73; 95% CI 4.50, 4.99), compared to those with average body size in both childhood and adulthood. This was significantly higher than the risk in those with high body size in both childhood and adulthood (HR 4.05; 95% CI 3.84, 4.26). By contrast, cardiovascular disease risk was determined by adult body size, irrespective of childhood body size. CONCLUSIONS/INTERPRETATION Low body size in childhood exacerbates the risk of type 2 diabetes associated with adult obesity but not the risk of cardiovascular disease. Thus, promoting healthy weight management from childhood to adulthood, among lean children, is crucial.
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Affiliation(s)
- Germán D Carrasquilla
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.
| | - Lars Ängquist
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Thorkild I A Sørensen
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- Department of Public Health, Section of Epidemiology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Tuomas O Kilpeläinen
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- Novo Nordisk Foundation Center for Genomic Mechanisms of Disease, Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Ruth J F Loos
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- Novo Nordisk Foundation Center for Genomic Mechanisms of Disease, Broad Institute of MIT and Harvard, Cambridge, MA, USA
- The Charles Bronfman Institute for Personalized Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA
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2
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Crewther BT, Pastuszak A, Cook CJ, Staniak Z. Disaggregating the influence of maturity status on training, anthropometric, performance, skeletal periphery, and hormonal factors in athletic boys. Physiol Behav 2024; 278:114502. [PMID: 38395323 DOI: 10.1016/j.physbeh.2024.114502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 02/19/2024] [Accepted: 02/20/2024] [Indexed: 02/25/2024]
Abstract
Maturity offset (i.e., age from peak height velocity [PHV]) is widely used to assess maturational status among youth athletes, but details on the skeletal periphery, hormones and training factors are lacking. More precision is also needed to explicate the timing, tempo, and sequence of growth-related events. These gaps were addressed in a cross-sectional study. One hundred and two athletic boys (aged 14.1 ± 0.5 years) were evaluated for training details, salivary testosterone and cortisol, height, body mass, body mass index, body fat, fat-free mass (FFM), hand and carpal bone area, bone mineral content (BMC) and density (BMD), and countermovement jump performance. Participants were assigned to circa-PHV (N = 56) and post-PHV (N = 46) groups for comparisons, before data pooling and disaggregation using generalized additive and linear regression models. The older post-PHV group had a larger body size, more testosterone, and better performance and skeletal outcomes, whilst weekly training and school-based exercise favored the younger circa-PHV group (all p < 0.001). Smoother plots verified these differences via linear, or weakly non-linear, associations. Maturity offset was predicted (R2 = 0.848) by the linear combination of FFM (42.0 % relative contribution), hand BMD (31.5 %), chronological age (16.0 %), testosterone (6.7 %), and training hours (3.8 %). In conclusion, athletic boys who presented at different stages of maturity (-0.98 to 2.84 years from PHV) also differed on many developmental features. Most variables increased at constant, or near-constant, tempo with a higher maturity offset, with FFM and hand BMD emerging as the strongest linear predictors of maturational status.
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Affiliation(s)
- Blair T Crewther
- Institute of Sport - National Research Institute, Warsaw, Poland; Biomedical Science, School of Science and Technology, University of New England, Armidale, Australia.
| | - Anna Pastuszak
- Institute of Sport - National Research Institute, Warsaw, Poland
| | - Christian J Cook
- Biomedical Science, School of Science and Technology, University of New England, Armidale, Australia; Hamlyn Centre, Imperial College, London, UK
| | - Zbigniew Staniak
- Institute of Sport - National Research Institute, Warsaw, Poland
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3
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Zhu G, Luan L, Zhou S, Dini-Andreote F, Bahram M, Yang Y, Geisen S, Zheng J, Wang S, Jiang Y. Body size mediates the functional potential of soil organisms by diversity and community assembly across soil aggregates. Microbiol Res 2024; 282:127669. [PMID: 38442455 DOI: 10.1016/j.micres.2024.127669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 02/20/2024] [Accepted: 02/27/2024] [Indexed: 03/07/2024]
Abstract
Body size is an important life-history trait that affects organism niche occupancy and ecological interactions. However, it is still unclear to what extent the assembly process of organisms with different body sizes affects soil biogeochemical cycling processes at the aggregate level. Here, we examined the diversity and community assembly of soil microorganisms (bacteria, fungi, and protists) and microfauna (nematodes) with varying body sizes. The microbial functional potential associated with carbon, nitrogen, phosphorus, and sulfur metabolism within three soil aggregate sizes (large macroaggregates, > 2 mm; small macroaggregates, 0.25-2 mm; and microaggregates, < 0.25 mm) were determined by metagenomics. We found that the smallest microbes (bacteria) had higher α-diversity and lower β-diversity and were mostly structured by stochastic processes, while all larger organisms (fungi, protists, and nematodes) had lower α-diversity and were relatively more influenced by deterministic processes. Structural equation modeling indicated that the microbial functional potential associated with carbon, nitrogen, phosphorus, and sulfur metabolism was mainly influenced by the bacterial and protist diversity in microaggregates. In contrast, the microbial functional potential was primarily mediated by the assembly processes of four organism groups, especially the nematode community in macroaggregates. This study reveals the important roles of soil organisms with different body sizes in the functional potential related to nutrient cycling, and provides new insights into the ecological processes structuring the diversity and community assembly of organisms of different body sizes at the soil aggregate level, with implications for soil nutrient cycling dynamics.
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Affiliation(s)
- Guofan Zhu
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, China; University of Chinese Academy of Sciences, Beijing, China
| | - Lu Luan
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, China
| | - Shungui Zhou
- Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Francisco Dini-Andreote
- Department of Plant Science & Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA, USA
| | - Mohammad Bahram
- Department of Botany, Institute of Ecology and Earth Sciences, University of Tartu, Tartu 51005, Estonia
| | - Yunfeng Yang
- State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing, China
| | - Stefan Geisen
- Laboratory of Nematology, Wageningen University, Wageningen 6700 ES, Netherlands
| | - Jie Zheng
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, China
| | - Shaopeng Wang
- Institute of Ecology, Key Laboratory for Earth Surface Processes of the Ministry of Education, College of Urban and Environmental Sciences, Peking University, Beijing, China
| | - Yuji Jiang
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, China; Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
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4
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Small CD, Benfey TJ, Crawford BD. Tissue-specific compensatory mechanisms maintain tissue architecture and body size independent of cell size in polyploid zebrafish. Dev Biol 2024; 509:85-96. [PMID: 38387487 DOI: 10.1016/j.ydbio.2024.02.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Revised: 01/01/2024] [Accepted: 02/13/2024] [Indexed: 02/24/2024]
Abstract
Genome duplications and ploidy transitions have occurred in nearly every major taxon of eukaryotes, but they are far more common in plants than in animals. Due to the conservation of the nuclear:cytoplasmic volume ratio increased DNA content results in larger cells. In plants, polyploid organisms are larger than diploids as cell number remains relatively constant. Conversely, vertebrate body size does not correlate with cell size and ploidy as vertebrates compensate for increased cell size to maintain tissue architecture and body size. This has historically been explained by a simple reduction in cell number that matches the increase in cell size maintaining body size as ploidy increases, but here we show that the compensatory mechanisms that maintain body size in triploid zebrafish are tissue-specific: A) erythrocytes respond in the classical pattern with a reduced number of larger erythrocytes in circulation, B) muscle, a tissue comprised of polynucleated muscle fibers, compensates by reducing the number of larger nuclei such that myofiber and myotome size in unaffected by ploidy, and C) vascular tissue compensates by thickening blood vessel walls, possibly at the expense of luminal diameter. Understanding the physiological implications of ploidy on tissue function requires a detailed description of the specific mechanisms of morphological compensation occurring in each tissue to understand how ploidy changes affect development and physiology.
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Affiliation(s)
- C D Small
- Center for Precision Environmental Health, Baylor College of Medicine, Houston, TX, USA
| | - T J Benfey
- Biology Department, University of New Brunswick, Fredericton, NB, Canada
| | - B D Crawford
- Biology Department, University of New Brunswick, Fredericton, NB, Canada.
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5
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Storlund RL, Rosen DAS, Haulena M, Sanatani S, Vander Zaag J, Trites AW. Ultrasound images of the ascending aorta of anesthetized northern fur seals and Steller sea lions confirm that the aortic bulb maintains continuous blood flow. J Exp Zool A Ecol Integr Physiol 2024; 341:458-469. [PMID: 38409932 DOI: 10.1002/jez.2799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 02/02/2024] [Accepted: 02/09/2024] [Indexed: 02/28/2024]
Abstract
The increased size and enhanced compliance of the aortic bulb-the enlargement of the ascending aorta-are believed to maintain blood flow in pinnipeds during extended periods of diastole induced by diving bradycardia. The aortic bulb has been described ex vivo in several species of pinnipeds, but in vivo measurements are needed to investigate the relationship between structure and function. We obtained ultrasound images using electrocardiogram-gated transesophageal echocardiography during anesthesia and after atropine administration to assess the relationship between aortic bulb anatomy and cardiac function (heart rate, stroke volume, cardiac output) in northern fur seals (Callorhinus ursinus) and Steller sea lions (Eumetopias jubatus). We observed that the aortic bulb in northern fur seals and Steller sea lions expands during systole and recoils over the entire diastolic period indicating that blood flow is maintained throughout the entire cardiac cycle as expected. The stroke volumes we measured in the fur seals and sea lions fit the values predicted based on body size in mammals and did not change with increased heart rates, suggesting that greater stroke volumes are not needed for aortic bulb function. Overall, our results suggest that peripheral vasoconstriction during diving is sufficient to modulate the volume of blood in the aortic bulb to ensure that flow lasts over the entire diastolic period. These results indicate that the shift of blood into the aortic bulb of pinnipeds is a fundamental mechanism caused by vasoconstriction while diving, highlighting the importance of this unique anatomical adaptation.
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Affiliation(s)
- Rhea L Storlund
- Marine Mammal Research Unit, Institute for the Oceans and Fisheries, University of British Columbia, Vancouver, British Columbia, Canada
- Department of Zoology, University of British Columbia, Vancouver, British Columbia, Canada
| | - David A S Rosen
- Marine Mammal Research Unit, Institute for the Oceans and Fisheries, University of British Columbia, Vancouver, British Columbia, Canada
- Vancouver Aquarium, Vancouver, British Columbia, Canada
| | | | - Shubhayan Sanatani
- Division of Cardiology, British Columbia Children's Hospital, Vancouver, British Columbia, Canada
- Department of Pediatrics, University of British Columbia, Vancouver, British Columbia, Canada
| | - Jessica Vander Zaag
- Division of Cardiology, British Columbia Children's Hospital, Vancouver, British Columbia, Canada
| | - Andrew W Trites
- Marine Mammal Research Unit, Institute for the Oceans and Fisheries, University of British Columbia, Vancouver, British Columbia, Canada
- Department of Zoology, University of British Columbia, Vancouver, British Columbia, Canada
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6
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Cueva Del Castillo R, Elias-Quevedo A, Medrano JV, Ruíz-Flores A, Flores-Ortiz CM. Potential strategic allocation of nuptial gift proteins of the neotropical katydid Conocephalus ictus (Orthoptera Tettigoniidae). J Insect Physiol 2024; 154:104633. [PMID: 38554814 DOI: 10.1016/j.jinsphys.2024.104633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 03/27/2024] [Accepted: 03/27/2024] [Indexed: 04/02/2024]
Abstract
In many katydids, the male feeds his mate with a large gelatinous spermatophore. While providing large spermatophores can increase female fecundity and lifespan, it may also decrease their sexual receptivity, benefiting male fitness. Allocating resources to these edible gifts may entail a lower apportionment of them to other functions, generating a trade-off between somatic and reproductive functions. Despite their effect on male and female fitness, little is known of the compounds associated with katydid spermatophores. Our study found 177 different putative proteins in the spermatophore of Conocephalus ictus, with no correlation between male body size with spermatophore mass, number, concentration and mass of proteins. However, we did observe a negative relationship between male forewing length and protein concentration, and a negative relationship between the mass of the spermatophore transferred to the females and their body size, suggesting a resource allocation trade-off in males, but also strategic transference of resources based on female quality.
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Affiliation(s)
| | - Anahi Elias-Quevedo
- UBIPRO, Facultad de Estudios Superiores Iztacala, A.P. 314, Tlalnepantla 54090. Mexico
| | | | - Anabel Ruíz-Flores
- UBIPRO, Facultad de Estudios Superiores Iztacala, A.P. 314, Tlalnepantla 54090. Mexico
| | - César M Flores-Ortiz
- UBIPRO, Facultad de Estudios Superiores Iztacala, A.P. 314, Tlalnepantla 54090. Mexico
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7
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Hsiao H, Kau TY, Bradtmiller B. A cluster-based law enforcement body armor sizing system: Concept, procedure, and design practice. Appl Ergon 2024; 117:104201. [PMID: 38277868 DOI: 10.1016/j.apergo.2023.104201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 11/29/2023] [Accepted: 12/05/2023] [Indexed: 01/28/2024]
Abstract
Given the evolution of human body dimensions, the increasing diversity within the law enforcement workforce, the growing risks of assault faced by law enforcement officers (LEOs), and the absence of a national standard for body armor sizing, there is a critical need to explore LEO body size classification. This exploration will facilitate the development of an armor sizing structure that adequately accommodates the current LEO population. This study aimed to address this need by developing a LEO body armor sizing scheme and creating a sizing chart/app. Additionally, a plan was devised for a series of 'sizing vests' that would enhance LEO armor accommodation and facilitate fit assessment. Torso anthropometric data pertaining to body armor sizing were collected from 756 male and 218 female LEOs across different regions of the United States. Based on the collected data, a nine-size system for male LEOs and an eight-size scheme for female LEOs were suggested. Furthermore, a sizing chart/app was proposed to enable LEOs to swiftly identify an armor size that is most likely to fit an individual, considering a few anthropometric characteristics known to LEOs. To supplement the sizing chart/app, a series of 'sizing vests' were recommended. These vests would provide LEOs with a physical means to assess and determine the best-fitting armor size, offering an alternative to relying solely on the sizing chart/app. We recommend that armor manufacturers adopt these new sizing systems and create prototypes of armor that can be evaluated within this sizing structure. This evaluation process will facilitate improved fit and enhanced protection for LEOs.
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Affiliation(s)
- Hongwei Hsiao
- Texas A&M University, Corpus Christi, TX, USA; National Institute for Occupational Safety and Health, Morgantown, WV, USA.
| | - Tsui-Ying Kau
- The Good Number Consulting Group, Inc., Ann Arbor, MI, USA
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8
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Smith SM, Heaney LR, Angielczyk KD. Small skeletons show size-specific scaling: an exploration of allometry in the mammalian lumbar spine. Proc Biol Sci 2024; 291:20232868. [PMID: 38628132 PMCID: PMC11021941 DOI: 10.1098/rspb.2023.2868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Accepted: 03/14/2024] [Indexed: 04/19/2024] Open
Abstract
Studies of vertebrate bone biomechanics often focus on skeletal adaptations at upper extremes of body mass, disregarding the importance of skeletal adaptations at lower extremes. Yet mammals are ancestrally small and most modern species have masses under 5 kg, so the evolution of morphology and function at small size should be prioritized for understanding how mammals subsist. We examined allometric scaling of lumbar vertebrae in the small-bodied Philippine endemic rodents known as cloud rats, which vary in mass across two orders of magnitude (15.5 g-2700 g). External vertebral dimensions scale with isometry or positive allometry, likely relating to body size and nuances in quadrupedal posture. In contrast to most mammalian trabecular bone studies, bone volume fraction and trabecular thickness scale with positive allometry and isometry, respectively. It is physiologically impossible for these trends to continue to the upper extremes of mammalian body size, and we demonstrate a fundamental difference in trabecular bone allometry between large- and small-bodied mammals. These findings have important implications for the biomechanical capabilities of mammalian bone at small body size; for the selective pressures that govern skeletal evolution in small mammals; and for the way we define 'small' and 'large' in the context of vertebrate skeletons.
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Affiliation(s)
- S. M. Smith
- Field Museum of Natural History, 1400 S DuSable Lake Shore Drive, Chicago, IL 60605, USA
| | - L. R. Heaney
- Field Museum of Natural History, 1400 S DuSable Lake Shore Drive, Chicago, IL 60605, USA
| | - K. D. Angielczyk
- Field Museum of Natural History, 1400 S DuSable Lake Shore Drive, Chicago, IL 60605, USA
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9
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Hay EM, McGee MD, White CR, Chown SL. Body size shapes song in honeyeaters. Proc Biol Sci 2024; 291:20240339. [PMID: 38654649 DOI: 10.1098/rspb.2024.0339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Accepted: 03/22/2024] [Indexed: 04/26/2024] Open
Abstract
Birdsongs are among the most distinctive animal signals. Their evolution is thought to be shaped simultaneously by habitat structure and by the constraints of morphology. Habitat structure affects song transmission and detectability, thus influencing song (the acoustic adaptation hypothesis), while body size and beak size and shape necessarily constrain song characteristics (the morphological constraint hypothesis). Yet, support for the acoustic adaptation and morphological constraint hypotheses remains equivocal, and their simultaneous examination is infrequent. Using a phenotypically diverse Australasian bird clade, the honeyeaters (Aves: Meliphagidae), we compile a dataset consisting of song, environmental, and morphological variables for 163 species and jointly examine predictions of these two hypotheses. Overall, we find that body size constrains song frequency and pace in honeyeaters. Although habitat type and environmental temperature influence aspects of song, that influence is indirect, likely via effects of environmental variation on body size, with some evidence that elevation constrains the evolution of song peak frequency. Our results demonstrate that morphology has an overwhelming influence on birdsong, in support of the morphological constraint hypothesis, with the environment playing a secondary role generally via body size rather than habitat structure. These results suggest that changing body size (a consequence of both global effects such as climate change and local effects such as habitat transformation) will substantially influence the nature of birdsong.
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Affiliation(s)
- Eleanor M Hay
- School of Biological Sciences, Monash University, Melbourne, Victoria 3800, Australia
| | - Matthew D McGee
- School of Biological Sciences, Monash University, Melbourne, Victoria 3800, Australia
| | - Craig R White
- School of Biological Sciences, Monash University, Melbourne, Victoria 3800, Australia
| | - Steven L Chown
- School of Biological Sciences, Monash University, Melbourne, Victoria 3800, Australia
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10
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LaBarge TW, Gardner JD, Organ CL. The evolution and ecology of gigantism in terror birds (Aves, Phorusrhacidae). Proc Biol Sci 2024; 291:20240235. [PMID: 38654650 DOI: 10.1098/rspb.2024.0235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2024] [Accepted: 03/22/2024] [Indexed: 04/26/2024] Open
Abstract
Terror birds (Aves, Phorusrhacidae) were large flightless apex predators in South America during the Cenozoic. Here, we estimate a new phylogeny for phorusrhacids using Bayesian inference. We demonstrate phylogenetic evidence for a monophyletic Patagornithinae and find significant support for a distinct crown group associated with the quintessential 'terror bird' characteristics. We use this phylogeny to analyse the evolution of body size and cursoriality. Our results reveal that size overlap was rare between co-occurring subfamilies, supporting the hypothesis that these traits were important for niche partitioning. We observe that gigantism evolved in a single clade, containing Phorusrhacinae and Physornithinae. The members of this lineage were consistently larger than all other phorusrhacids. Phorusrhacinae emerged following the extinction of Physornithinae, suggesting the ecological succession of the apex predator niche. The first known phorusrhacine, Phorusrhacos longissimus, was gigantic but significantly smaller and more cursorial than any physornithine. These traits likely evolved in response to the expansion of open environments. Following the Santacrucian SALMA, phorusrhacines increased in size, further converging on the morphology of Physornithinae. These findings suggest that the evolution and displacement of body size drove terror bird niche partitioning and competitive exclusion controlled phorusrhacid diversity.
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Affiliation(s)
- Thomas W LaBarge
- Department of Earth and Atmospheric Sciences, Indiana University, Bloomington, IN, USA
| | - Jacob D Gardner
- School of Biological Sciences, University of Reading, Reading, Berkshire, UK
| | - Chris L Organ
- Department of Earth Sciences, Montana State University, Bozeman, MT, USA
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11
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Qin S, Deng Z, Ma Y, Gu L, Lee JS, Yang Z. Differential interference effects of thermal pollution on the induced defense of different body-sized cladocerans. Sci Total Environ 2024; 922:171426. [PMID: 38432363 DOI: 10.1016/j.scitotenv.2024.171426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 02/24/2024] [Accepted: 02/29/2024] [Indexed: 03/05/2024]
Abstract
Climate warming influences the biological activities of aquatic organisms, including feeding, growth, and reproduction, thereby affecting predator-prey interactions. This study explored the variation in thermal sensitivity of anti-predator responses in two cladoceran species with varying body sizes, Daphnia pulex and Ceriodaphnia cornuta. These species were cultured with or without the fish (Rhodeus ocellatus) kairomone at temperatures of 15, 20, 25, and 30 °C for 15 days. Results revealed that cladocerans of different body sizes exhibited varying responses to fish kairomones in aspects such as individual size, first-brood neonate size, total offspring number, average brood size, growth rate, and reproductive effort. Notably, low temperature differently affected defense responses in cladocerans of different body sizes. Both high and low temperatures moderated the intensity of the kairomone-induced response on body size at maturity. Additionally, low temperature reversed the reducing effect of fish kairomone on the total offspring number, average brood size, and reproductive effort in D. pulex. Conversely, it enhanced the increasing effect of fish kairomone on these parameters in C. cornuta. These results suggest that inducible anti-predator responses in cladocerans are modifiable by temperature. The differential effects of fish kairomones on various cladocerans under temperature influence offer crucial insights for predicting changes in predator-prey interactions within freshwater ecosystems under future climate conditions.
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Affiliation(s)
- Shanshan Qin
- Jiangsu Key Laboratory for Biodiversity and Biotechnology, School of Biological Sciences, Nanjing Normal University, 1 Wenyuan Road, Nanjing 210023, China
| | - Ziyi Deng
- Jiangsu Key Laboratory for Biodiversity and Biotechnology, School of Biological Sciences, Nanjing Normal University, 1 Wenyuan Road, Nanjing 210023, China
| | - Yiqing Ma
- Jiangsu Key Laboratory for Biodiversity and Biotechnology, School of Biological Sciences, Nanjing Normal University, 1 Wenyuan Road, Nanjing 210023, China
| | - Lei Gu
- Jiangsu Key Laboratory for Biodiversity and Biotechnology, School of Biological Sciences, Nanjing Normal University, 1 Wenyuan Road, Nanjing 210023, China
| | - Jae-Seong Lee
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Zhou Yang
- Jiangsu Key Laboratory for Biodiversity and Biotechnology, School of Biological Sciences, Nanjing Normal University, 1 Wenyuan Road, Nanjing 210023, China.
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de Albuquerque VJ, Folador A, Müller C, Pompermaier A, Hartmann M, Hartmann PA. How do different concentrations of aluminum and zinc affect the survival, body size, morphology and immune system of Physalaemus cuvieri (Fitzinger, 1826) tadpole? J Toxicol Environ Health A 2024; 87:342-356. [PMID: 38310537 DOI: 10.1080/15287394.2024.2311828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2024]
Abstract
The assessment of amphibian responses as bioindicators of exposure to chemical pollutants is an important tool for conservation of native species. This study aimed to investigate the effects of chronic aluminum (Al) and zinc (Zn) exposure on survival, body size, morphology (malformations), and immune system (leukocyte profile) in P. cuvieri tadpoles. Ecotoxicological analyses were performed utilizing chronic toxicity tests in which 210 tadpoles at the 25th Gosner developmental stage were exposed to Al and Zn. Individuals of P. cuvieri were maintained in glass containers containing various concentrations of aluminum sulfate (0.1, 0.2, or 0.3 mg/L) and zinc sulfate (0.18, 0.27 or 0.35 mg/L), and tests were performed in triplicate. After 14 days, amphibians were weighed, measured and survival rate, malformations in the oral and intestine apparatus, leukocyte profile, and ratio between neutrophils and lymphocytes determined. The differing concentrations of Al and Zn did not produce lethality in P. cuvieri where 95% of the animals survived 326 hr following metal exposure. Individuals exposed to Zn achieved greater body growth and weight gain compared to controls. Aluminum increased weight gain compared controls. These metals also produced malformations of the oral and intestine apparatus and enhanced occurrence of hemorrhages, especially at the highest doses. Lymphocytes were the predominant cells among leukocytes, with lymphopenia and neutrophilia observed following Al and Zn treatment, as evidenced by elevated neutrophil/lymphocyte ratio, an important indicator of stress in animals. Data suggest that further studies need to be carried out, even with metal concentrations higher than those prescribed by CONAMA, to ensure the conservation of this species.
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Affiliation(s)
| | - Alexandre Folador
- Laboratório de Ecologia e Conservação, Universidade Federal da Fronteira Sul, Erechim, RS, Brasil
| | - Caroline Müller
- Laboratório de Ecologia e Conservação, Universidade Federal da Fronteira Sul, Erechim, RS, Brasil
| | - Aline Pompermaier
- Laboratório de Ecologia e Conservação, Universidade Federal da Fronteira Sul, Erechim, RS, Brasil
| | - Marília Hartmann
- Laboratório de Ecologia e Conservação, Universidade Federal da Fronteira Sul, Erechim, RS, Brasil
| | - Paulo Afonso Hartmann
- Laboratório de Ecologia e Conservação, Universidade Federal da Fronteira Sul, Erechim, RS, Brasil
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13
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Petersen JC, Jayne BC, Wilde AD, Capano JG, Roberts TJ. Effects of ingesting large prey on the kinematics of rectilinear locomotion in Boa constrictor. J Exp Biol 2024; 227:jeb247042. [PMID: 38563306 DOI: 10.1242/jeb.247042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Accepted: 03/15/2024] [Indexed: 04/04/2024]
Abstract
Large and stout snakes commonly consume large prey and use rectilinear crawling; yet, whether body wall distention after feeding impairs rectilinear locomotion is poorly understood. After eating large prey (30-37% body mass), all Boa constrictor tested could perform rectilinear locomotion in the region with the food bolus despite a greatly increased distance between the ribs and the ventral skin that likely lengthens muscles relevant to propulsion. Unexpectedly, out of 11 kinematic variables, only two changed significantly (P<0.05) after feeding: cyclic changes in snake height increased by more than 1.5 times and the longitudinal movements of the ventral skin relative to the skeleton decreased by more than 25%. Additionally, cyclic changes in snake width suggest that the ribs are active and mobile during rectilinear locomotion, particularly in fed snakes, but also in unfed snakes. These kinematic changes suggest that rectilinear actuators reorient more vertically and undergo smaller longitudinal excursions following large prey ingestion, both of which likely act to reduce elongation of these muscles that may otherwise experience substantial strain.
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Affiliation(s)
- Jarrod C Petersen
- Department of Ecology, Evolution, and Organismal Biology, Brown University, Providence, RI 02912, USA
| | - Bruce C Jayne
- Department of Biological Sciences, University of Cincinnati, Cincinnati, OH 45221, USA
| | - Alexander D Wilde
- Department of Ecology, Evolution, and Organismal Biology, Brown University, Providence, RI 02912, USA
| | - John G Capano
- Department of Ecology, Evolution, and Organismal Biology, Brown University, Providence, RI 02912, USA
| | - Thomas J Roberts
- Department of Ecology, Evolution, and Organismal Biology, Brown University, Providence, RI 02912, USA
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14
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Castro MG, Amado TF, Olalla-Tárraga MÁ. Correlated evolution between body size and echolocation in bats (order Chiroptera). BMC Ecol Evol 2024; 24:44. [PMID: 38622513 PMCID: PMC11017568 DOI: 10.1186/s12862-024-02231-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2024] [Accepted: 03/27/2024] [Indexed: 04/17/2024] Open
Abstract
BACKGROUND Body size and echolocation call frequencies are related in bats. However, it is unclear if this allometry applies to the entire clade. Differences have been suggested between nasal and oral emitting bats, as well as between some taxonomic families. Additionally, the scaling of other echolocation parameters, such as bandwidth and call duration, needs further testing. Moreover, it would be also interesting to test whether changes in body size have been coupled with changes in these echolocation parameters throughout bat evolution. Here, we test the scaling of peak frequency, bandwidth, and call duration with body mass using phylogenetically informed analyses for 314 bat species. We specifically tested whether all these scaling patterns differ between nasal and oral emitting bats. Then, we applied recently developed Bayesian statistical techniques based on large-scale simulations to test for the existence of correlated evolution between body mass and echolocation. RESULTS Our results showed that echolocation peak frequencies, bandwidth, and duration follow significant allometric patterns in both nasal and oral emitting bats. Changes in these traits seem to have been coupled across the laryngeal echolocation bats diversification. Scaling and correlated evolution analyses revealed that body mass is more related to peak frequency and call duration than to bandwidth. We exposed two non-exclusive kinds of mechanisms to explain the link between size and each of the echolocation parameters. CONCLUSIONS The incorporation of Bayesian statistics based on large-scale simulations could be helpful for answering macroevolutionary patterns related to the coevolution of traits in bats and other taxonomic groups.
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Affiliation(s)
- Mario G Castro
- Departamento de Biología y Geología, Física y Química Inorgánica, Universidad Rey Juan Carlos, Calle Tulipán s/n, Móstoles, Madrid, Spain.
- Instituto de Cambio Global, Universidad Rey Juan Carlos, Móstoles, Madrid, 28933, Spain.
| | - Talita Ferreira Amado
- Departamento de Biología y Geología, Física y Química Inorgánica, Universidad Rey Juan Carlos, Calle Tulipán s/n, Móstoles, Madrid, Spain
- German Center for Integrative Bioaffiliationersity Research (iDiv), Halle-Jena-Leipzig, Puschstrasse 4, 04103, Leipzig, Germany
| | - Miguel Á Olalla-Tárraga
- Departamento de Biología y Geología, Física y Química Inorgánica, Universidad Rey Juan Carlos, Calle Tulipán s/n, Móstoles, Madrid, Spain
- Instituto de Cambio Global, Universidad Rey Juan Carlos, Móstoles, Madrid, 28933, Spain
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15
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Wilson LN, Gardner JD, Wilson JP, Farnsworth A, Perry ZR, Druckenmiller PS, Erickson GM, Organ CL. Global latitudinal gradients and the evolution of body size in dinosaurs and mammals. Nat Commun 2024; 15:2864. [PMID: 38580657 PMCID: PMC10997647 DOI: 10.1038/s41467-024-46843-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Accepted: 03/12/2024] [Indexed: 04/07/2024] Open
Abstract
Global climate patterns fundamentally shape the distribution of species and ecosystems. For example, Bergmann's rule predicts that homeothermic animals, including birds and mammals, inhabiting cooler climates are generally larger than close relatives from warmer climates. The modern world, however, lacks the comparative data needed to evaluate such macroecological rules rigorously. Here, we test for Bergmann's rule in Mesozoic dinosaurs and mammaliaforms that radiated within relatively temperate global climate regimes. We develop a phylogenetic model that accounts for biases in the fossil record and allows for variable evolutionary dispersal rates. Our analysis also includes new fossil data from the extreme high-latitude Late Cretaceous Arctic Prince Creek Formation. We find no evidence for Bergmann's rule in Mesozoic dinosaurs or mammaliaforms, the ancestors of extant homeothermic birds and mammals. When our model is applied to thousands of extant dinosaur (bird) and mammal species, we find that body size evolution remains independent of latitude. A modest temperature effect is found in extant, but not in Mesozoic, birds, suggesting that body size evolution in modern birds was influenced by Bergmann's rule during Cenozoic climatic change. Our study provides a general approach for studying macroecological rules, highlighting the fossil record's power to address longstanding ecological principles.
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Affiliation(s)
- Lauren N Wilson
- University of Alaska Museum, 1962 Yukon Drive, Fairbanks, AK, 99775, USA.
- Department of Geosciences, University of Alaska, Fairbanks, AK, 99775, USA.
| | - Jacob D Gardner
- School of Biological Sciences, University of Reading, Reading, RG6 6EX, UK.
| | - John P Wilson
- Department of Earth Sciences, Montana State University, Bozeman, MT, 59715, USA
| | - Alex Farnsworth
- School of Geographical Sciences, University of Bristol, University Road, Bristol, BS8 1RL, UK
- State Key Laboratory of Tibetan Plateau Earth System, Resources and Environment (TPESRE), Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing, 100101, China
| | - Zackary R Perry
- University of Alaska Museum, 1962 Yukon Drive, Fairbanks, AK, 99775, USA
- Department of Geosciences, University of Alaska, Fairbanks, AK, 99775, USA
| | - Patrick S Druckenmiller
- University of Alaska Museum, 1962 Yukon Drive, Fairbanks, AK, 99775, USA
- Department of Geosciences, University of Alaska, Fairbanks, AK, 99775, USA
| | - Gregory M Erickson
- Department of Biological Science, Florida State University, Tallahassee, FL, 32306, USA
| | - Chris L Organ
- School of Biological Sciences, University of Reading, Reading, RG6 6EX, UK.
- Department of Earth Sciences, Montana State University, Bozeman, MT, 59715, USA.
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Kerschbaumer M, Pfingstl T. Multiple factors influence claw characteristics in oribatid mites (Acari). Sci Rep 2024; 14:7687. [PMID: 38561383 PMCID: PMC10985006 DOI: 10.1038/s41598-024-58214-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Accepted: 03/26/2024] [Indexed: 04/04/2024] Open
Abstract
Claws, as nature's multifaceted instruments, play fundamental roles across the animal kingdom, aiding in prey capture and enabling movement across diverse terrains. Claw features often reflect the ecologies of the respective taxa and thus can provide important insights into the different lifestyles. This study explores the claw morphology of monodactylous oribatid mites through geometric morphometrics, analyzing 559 specimens from 49 species across various ecosystems. The research identifies distinct claw characteristics associated with specific habitats, revealing a significant correlation between claw morphology and the mites' environmental adaptations. Littoral mites exhibit notably larger claws compared to terrestrial counterparts, with aquatic and semiaquatic species presenting intermediate traits. The analysis shows an inverse relationship between claw curvature and sharpness, differing from patterns observed in larger animals. A trend of increasing claw bluntness with body size in terrestrial mites echoes biomechanical constraints seen in larger species. The study also observes consistent claw shapes within oribatid superfamilies, suggesting a potential, albeit muted, phylogenetic influence alongside environmental factors. These findings reveal how ecological, evolutionary, and functional aspects influence claw morphology in oribatid mites, enhancing our knowledge of arthropod biology and potentially inspiring biomimetic advances in material science and engineering.
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Affiliation(s)
- Michaela Kerschbaumer
- Institute of Biology, University of Graz, Universitaetsplatz 2, 8010, Graz, Austria.
| | - Tobias Pfingstl
- Institute of Biology, University of Graz, Universitaetsplatz 2, 8010, Graz, Austria
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17
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Druelle F, Leti I, Bokika Ngawolo JC, Narat V. Vertical climbing in free-ranging bonobos: An exploratory study integrating locomotor performance and substrate compliance. Am J Biol Anthropol 2024; 183:e24894. [PMID: 38180148 DOI: 10.1002/ajpa.24894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Accepted: 12/13/2023] [Indexed: 01/06/2024]
Abstract
OBJECTIVES Ecological factors and body size shape animal movement and adaptation. Large primates such as bonobos excel in navigating the demanding substrates of arboreal habitats. However, current approaches lack comprehensive assessment of climbing performance in free-ranging individuals, limiting our understanding of locomotor adaptations. This study aims to explore climbing performance in free-ranging bonobos and how substrate properties affect their behavior. METHODS We collected data on the climbing performance of habituated bonobos, Pan paniscus, in the Bolobo Territory, Democratic Republic of Congo. We analyzed 46 climbing bouts (12 ascents, 34 descents) while moving on vertical substrates of varying diameter and compliance levels. This study assessed the average speed, peak acceleration, resting postures, and transitions between climbing and other locomotor modes. RESULTS During climbing sequences and transitions, bonobos mitigate speed variations. They also exhibit regular pauses during climbing and show higher speeds during descent in contrast to their ascent. Regarding the influence of substrate properties, bonobos exhibit higher speed when ascending on thin and slightly flexible substrates, while they appear to achieve higher speeds when descending on large and stiff substrates, by using a "fire-pole slide" submode. DISCUSSION Bonobos demonstrate remarkable abilities for negotiating vertical substrates and substrate properties influence their performance. Our results support the idea that bonobos adopt a behavioral strategy that aligns with the notion of minimizing costs. Overall, the adoption of high velocities and the use of low-cost resting postures may reduce muscle fatigue. These aspects could represent important targets of selection to ensure ecological efficiency in bonobos.
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Affiliation(s)
- François Druelle
- Histoire Naturelle de l'Homme Préhistorique, UMR 7194, CNRS-MNHN-UPVD, Paris, France
- Functional Morphology Laboratory, University of Antwerp, Antwerp, Belgium
| | - Innocent Leti
- NGO Mbou-Mon-Tour, Kinshasa, Democratic Republic of the Congo
| | | | - Victor Narat
- Eco-Anthropologie, UMR 7206, MNHN-CNRS-Univ. Paris Cité, Paris, France
- Bonobo Eco, Saint Brice sur Vienne, Vienne, France
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18
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Parker WG, Reyes WA, Marsh AD. Incongruent ontogenetic maturity indicators in a Late Triassic archosaur (Aetosauria: Typothorax coccinarum). Anat Rec (Hoboken) 2024; 307:1254-1270. [PMID: 37937738 DOI: 10.1002/ar.25343] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 09/13/2023] [Accepted: 10/13/2023] [Indexed: 11/09/2023]
Abstract
Maximum individual body size in pseudosuchian archosaurs is not well constrained in the fossil record, but it may be influenced by a variety of factors including basal metabolic rate, evolutionary relationships, and environmental conditions. Body size varies among the Aetosauria in which estimated total length ranges between 1 m (e.g., Coahomasuchus kahleorum) and 5 m (e.g., Desmatosuchus spurensis). A new, very large specimen of the aetosaurian Typothorax coccinarum from Petrified Forest National Park in northeastern Arizona is nearly twice the size of all other known specimens of Typothorax and is the largest aetosaur specimen currently known worldwide. The specimen lacks co-ossified neurocentral sutures in the trunk vertebrae which may suggest that the individual had not yet reached skeletal maturity, yet smaller specimens of T. coccinarum exhibit partially or fully co-ossified neurocentral sutures in the same region. If body size correlates with skeletal maturity in aetosaurs, this discrepancy warns that timing of neurocentral suture co-ossification in aetosaurs may not be a reliable indicator of ontogenetic stage. Osteohistological observations of a trunk rib demonstrate that although PEFO 42506 shows a large body size, the specimen did not deposit an external fundamental system despite depositing as many as 19 growth lines, further indicating that it had not yet reached skeletal maturity. Thus, at least within Aetosauria, neurocentral suture co-ossification and skeletal maturity may correlate, whereas body size can be incongruent in comparison. Furthermore, this specimen indicates that non-desmatosuchin aetosaurs could exhibit large body sizes and suggests that some aetosaurs may have experienced indeterminate growth.
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Affiliation(s)
- William G Parker
- Department of Science and Resource Management, Petrified Forest National Park, Petrified Forest, USA
| | - William A Reyes
- Department of Science and Resource Management, Petrified Forest National Park, Petrified Forest, USA
- Jackson School of Geosciences, University of Texas, Austin, Texas, USA
| | - Adam D Marsh
- Department of Science and Resource Management, Petrified Forest National Park, Petrified Forest, USA
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Consolacion J, Ceacero F, Musa AS, Ny V, Kotrba R, Illek J, Škorič M, Needham T. Reproductive tract morphology and symmetry of farmed common eland (Tragelaphus oryx) bulls, and their relationship with secondary sexual traits and social rank. Anim Reprod Sci 2024; 263:107438. [PMID: 38417312 DOI: 10.1016/j.anireprosci.2024.107438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 02/15/2024] [Indexed: 03/01/2024]
Abstract
Common eland bulls are important game ranching animals in southern Africa, for tourism, breeding/live sales, trophy hunting, and game meat production. Interest has grown in their production potential, intensifying animal husbandry and breeding approaches. However, little scientific information is available regarding the intensive management of this species, including information regarding scientifically based selection criteria for breeding bulls. Often, simple phenotypic traits are utilised unless high-value game animals are being bred, with horn and body size often being the only traits considered for breeding bulls. This study provides basic information about the reproductive tract morphology, symmetry, and their relationships with secondary sexual traits, social rank, and temperament in common eland. Six eland males (2-2.5 years old; 203 ± 20 kg) were utilised for the study. Social rank, body weight and body condition score, temperament score, and horn size were determined before the animals were culled, and their reproductive tracts were collected for morphometric and histological evaluation. Results indicate relatively low asymmetry in bilateral reproductive tract components. Individual traits of eland bulls such as age, body weight, and social rank correlated the development of some testicular morphologies and thus may possibly be used in zoos, game ranching, and commercial production for the selection of breeding males, but not temperament and horn length, which should be carefully evaluated. Whilst this study provides baseline information from a limited sample size, further studies should incorporate the assessment of testicular hemodynamics, as well as the effects of factors such as season and androgen secretion patterns over a wider age range of common eland males and populations to provide further information for the management practices of breeding common eland bulls.
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Affiliation(s)
- Jerico Consolacion
- Department of Animal Science and Food Processing, Faculty of Tropical Agrisciences, Czech University of Life Sciences Prague, Prague, Czech Republic; Department of Agricultural Sciences, College of Agriculture, Forestry, and Environmental Sciences, Mindanao State University at Naawan, Naawan, Misamis Oriental, Philippines
| | - Francisco Ceacero
- Department of Animal Science and Food Processing, Faculty of Tropical Agrisciences, Czech University of Life Sciences Prague, Prague, Czech Republic
| | - Abubakar Sadiq Musa
- Department of Animal Science and Food Processing, Faculty of Tropical Agrisciences, Czech University of Life Sciences Prague, Prague, Czech Republic
| | - Veit Ny
- Department of Animal Science and Food Processing, Faculty of Tropical Agrisciences, Czech University of Life Sciences Prague, Prague, Czech Republic
| | - Radim Kotrba
- Department of Animal Science and Food Processing, Faculty of Tropical Agrisciences, Czech University of Life Sciences Prague, Prague, Czech Republic; Department of Ethology, Institute of Animal Science, Prague 104 00, Czech Republic
| | - Josef Illek
- Department of Large Animal Clinic Laboratory, Faculty of Veterinary Medicine, University of Veterinary Sciences Brno, Brno, Czech Republic
| | - Miša Škorič
- Department of Pathological Morphology, Faculty of Veterinary Medicine, University of Veterinary Sciences Brno, Brno, Czech Republic
| | - Tersia Needham
- Department of Animal Science and Food Processing, Faculty of Tropical Agrisciences, Czech University of Life Sciences Prague, Prague, Czech Republic.
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Parolini M, Iacobuzio R, Bassano B, Pennati R. Interspecific competitive interactions affect body size and oxidative status of two nonnative salmonid species. Fish Physiol Biochem 2024; 50:721-732. [PMID: 38240889 PMCID: PMC11021341 DOI: 10.1007/s10695-024-01301-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Accepted: 01/10/2024] [Indexed: 04/17/2024]
Abstract
In fish, interspecific interactions between nonnative and other sympatric species are considered determinants in shaping species assemblages. Such interactions can also arise between nonnative fish species only, including salmonids such as the brown trout (Salmo trutta, Linnaeus, 1758) and the rainbow trout (Oncorhynchus mykiss, Walbaum, 1792), returning contrasting outcomes. The present manipulative experiment was aimed at exploring the effect of interspecific competition on the body growth and the oxidative status of parr (2 + -year-old individuals) of the brown trout and the rainbow trout. Allopatric (intraspecific competition) and sympatric (interspecific competition) populations of these species were experimentally recreated in two wild streams. At the end of a 2-month-long experiment, changes in specific growth rate (SGR), oxidative status (i.e., levels of reactive oxygen species and activity of antioxidant enzymes such as superoxide dismutase - SOD, catalase - CAT and glutathione peroxidase - GPx) and oxidative damage (i.e., lipid peroxidation) were investigated in brown and rainbow trout individuals maintained in allopatric or sympatric populations. Sympatric interactions between rainbow and brown trout parr resulted in a significant decrease in SGR of brown trout individuals only. Moreover, an overall modulation of the oxidative status, in terms of an increase in ROS levels coupled with the activation of SOD and CAT activity, occurred in brown trout individuals under sympatric conditions. These findings might suggest that, under sympatric conditions, parr of the rainbow trout are more competitive than brown trout for food acquisition. However, this competition affected the antioxidant defenses of the brown trout only, probably because of reduced ingestion of dietary antioxidants or increased physical activity and aggressive behavior. Thus, interspecific interactions can induce physiological and phenotypic effects on parr of nonnative salmonids, with potential consequences on the establishment of populations of these species in freshwater ecosystems.
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Affiliation(s)
- Marco Parolini
- Department of Environmental Science and Policy, University of Milan, Via Celoria 2, 20133, Milan, Italy.
| | - Rocco Iacobuzio
- Department of Environmental Science and Policy, University of Milan, Via Celoria 2, 20133, Milan, Italy
- Parco Nazionale Gran Paradiso, Via Pio VII 9, 10135, Turin, Italy
| | - Bruno Bassano
- Parco Nazionale Gran Paradiso, Via Pio VII 9, 10135, Turin, Italy
| | - Roberta Pennati
- Department of Environmental Science and Policy, University of Milan, Via Celoria 2, 20133, Milan, Italy
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Palmera-Castrillon K, Junqueira CN, Toci AT, Augusto SC. Complexity of the Male Perfume of Eulaema nigrita from Forest and Woody Physiognomies of the Brazilian Savanna: Is There a Relationship with Body Size and Wing Wear? Neotrop Entomol 2024; 53:330-341. [PMID: 38228817 DOI: 10.1007/s13744-023-01117-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Accepted: 12/06/2023] [Indexed: 01/18/2024]
Abstract
Male orchid bees collect volatile and semi-volatile compounds from the environment for storage and accumulation in specialized hind legs. Later, these compounds form a perfume blend used during courtship to lure conspecific females for mating. Male orchid bees perfume has been suggested to play an important role as a sexual signaling trait involved in pre-mating isolation of species, functioning as an indicator of male genetic quality. Eulaema nigrita Lepeletier (Apidae: Euglossini) is a common species in both forested and woody savanna (Cerrado stricto sensu) physiognomies of the Brazilian savanna biome. By identifying the chemical composition of male E. nigrita perfume, we tested for differences in the bouquet chemical profile in populations from remnants of seasonal semideciduous forest and woody savanna. In addition, we assessed the relation between perfume complexity and morphological traits associated with size and age of males. Our analysis showed a low effect of physiognomies on differences in the perfume chemical profile of sampled males. Nevertheless, we observed significant differences in the chemical profile of individuals from two seasonal semideciduous forest remnants, which suggests an environmental effect in individual bouquet. Wing wear measurements were positively related to perfume complexity, consistent with the premise that perfumes from older individuals are indicators of survival capacity in male orchid bees.
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Affiliation(s)
- Kevin Palmera-Castrillon
- Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Depto de Biologia, Univ de São Paulo, Ribeirão Preto, São Paulo, Brazil
| | | | - Aline Theodoro Toci
- Instituto Latino-Americano de Ciências da Vida E da Natureza, Univ Federal da Integração Latino-Americana, Foz Do Iguaçu, Paraná, Brazil
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Polizeli L, Pinto ÂP. A Taxonomic Revision of the South American Trilobite Cockroaches of Parahormetica Brunner von Wattenwyl 1865 (Blattodea: Blaberidae), with Description of Parahormetica museunacional sp. nov. from the Atlantic Forest. Neotrop Entomol 2024; 53:277-303. [PMID: 38446382 DOI: 10.1007/s13744-024-01129-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 01/04/2024] [Indexed: 03/07/2024]
Abstract
The taxonomically intricate genus of trilobite cockroaches, Parahormetica Brunner von Wattenwyl, 1865, is revised based on a comparative morphological analysis. The goals of this study are to review the nomenclature, propose hypotheses about specific delimitation, and provide diagnoses to allow identification of the taxonomic units in the genus. Based on the revised status of Parahormetica, we transferred Parahormetica hylaeceps Miranda-Ribeiro, 1936, and Parahormetica punctata Saussure, 1873, to the genus Bionoblatta Rehn, 1940. Therefore, the genus includes now four species of giant cockroaches which are predominantly distributed on the Atlantic Forest: Parahormetica bilobata (Saussure, 1864), Parahormetica cicatricosa Saussure, 1869, Parahormetica monticollis (Burmeister, 1838), and Parahormetica museunacional sp. nov. (holotype male deposited in DZUP: Brazil, Paraná). Diagnoses, key, distribution maps, images of living, non-type, and type specimens are made available. Our results make clear that the status and limits among Brachycolini genera pending a full revision.
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Affiliation(s)
- Leonardo Polizeli
- Programa de Pós-Graduação em Ciências Biológicas (Entomologia), Univ Federal Do Paraná, Curitiba, Paraná, Brazil.
- Lab of Systematics On Aquatic Insects (LABSIA), Depto de Zoologia, Univ Federal Do Paraná, Curitiba, PR, Brazil.
| | - Ângelo Parise Pinto
- Lab of Systematics On Aquatic Insects (LABSIA), Depto de Zoologia, Univ Federal Do Paraná, Curitiba, PR, Brazil
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Turcsán B, Kubinyi E. Differential behavioral aging trajectories according to body size, expected lifespan, and head shape in dogs. GeroScience 2024; 46:1731-1754. [PMID: 37740140 PMCID: PMC10828231 DOI: 10.1007/s11357-023-00945-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Accepted: 09/12/2023] [Indexed: 09/24/2023] Open
Abstract
The twofold life expectancy difference between dog breeds predicts differential behavioral and cognitive aging patterns between short- and long-lived dogs. To investigate this prediction, we conducted a cross-sectional analysis using survey data from over 15,000 dogs. We examined the effect of expected lifespan and three related factors (body size, head shape, and purebred status) on the age trajectory of various behavioral characteristics and the prevalence of canine cognitive dysfunction (CCD). Our findings reveal that, although age-related decline in most behavioral characteristics began around 10.5 years of age, the proportion of dogs considered "old" by their owners began to increase uniformly around 6 years of age. From the investigated factors, only body size had a systematic, although not gradual, impact on the aging trajectories of all behavioral characteristics. Dogs weighing over 30 kg exhibited an earlier onset of decline by 2-3 years and a slower rate of decline compared to smaller dogs, probably as a byproduct of their faster age-related physical decline. Larger sized dogs also showed a lower prevalence of CCD risk in their oldest age group, whereas smaller-sized dogs, dolichocephalic breeds, and purebreds had a higher CCD risk prevalence. The identification of differential behavioral and cognitive aging trajectories across dog groups, and the observed associations between body size and the onset, rate, and degree of cognitive decline in dogs have significant translational implications for human aging research, providing valuable insights into the interplay between morphology, physiological ageing, and cognitive decline, and unravelling the trade-off between longevity and relative healthspan.
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Affiliation(s)
- Borbála Turcsán
- MTA-ELTE Lendület "Momentum" Companion Animal Research Group, Department of Ethology, Eötvös Loránd University, Budapest, Hungary.
- Senior Family Dog Project, Department of Ethology, Eötvös Loránd University, Budapest, Hungary.
| | - Enikő Kubinyi
- MTA-ELTE Lendület "Momentum" Companion Animal Research Group, Department of Ethology, Eötvös Loránd University, Budapest, Hungary
- Senior Family Dog Project, Department of Ethology, Eötvös Loránd University, Budapest, Hungary
- ELTE NAP Canine Brain Research Group, Budapest, Hungary
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24
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Lubin FR, Réalis-Doyelle E, Espinat L, Guillard J, Raffard A. Heat shocks during egg incubation led to developmental, morphological, and behavioral differences in Arctic charr (Salvelinus alpinus). J Fish Biol 2024; 104:1202-1212. [PMID: 38263640 DOI: 10.1111/jfb.15663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 01/04/2024] [Indexed: 01/25/2024]
Abstract
Temperature variation is affecting fish biodiversity worldwide, causing changes in geographic distribution, phenotypic structure, and even species extinction. Incubation is a critical stage for stenothermic species, which are vulnerable to large temperature fluctuations, and its effects on the phenotype at later developmental stages are understudied, despite the fact that the phenotype being essential for organism ecology and evolution. In this study, we tested the effects of heat shocks during the embryonic period on the phenotype of Arctic charr (Salvelinus alpinus). We repeatedly quantified multiple phenotypic traits, including morphology, development, and behavior, over a period of 4 months, from hatching to juvenile stage in individuals that had experienced heat shocks (+ 5°C on 24 h, seven times) during their embryonic stage and those that had not. We found that heat shocks led to smaller body size at hatching and a lower sociability. Interestingly, these effects weakened throughout the development of individuals and even reversed in the case of body size. We also found an accelerated growth rate and a higher body condition in the presence of heat shocks. Our study provides evidence that heat shocks experienced during incubation can have long-lasting effects on an individual's phenotype. This highlights the importance of the incubation phase for the development of ectothermic organisms and suggests that temperature fluctuations may have significant ecological and evolutionary implications for Arctic charr. Given the predicted increase in extreme events and the unpredictability of temperature fluctuations, it is critical to further investigate their effects on development by examining fluctuations that vary in frequency and intensity.
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Affiliation(s)
- François-Raphaël Lubin
- Univ. Savoie Mont Blanc, INRAE, CARRTEL, Thonon-les-Bains, France
- Pole ECLA (OFB, INRAE, USMB), Thonon-les-Bains, France
| | | | - Laurent Espinat
- Univ. Savoie Mont Blanc, INRAE, CARRTEL, Thonon-les-Bains, France
| | - Jean Guillard
- Univ. Savoie Mont Blanc, INRAE, CARRTEL, Thonon-les-Bains, France
| | - Allan Raffard
- Univ. Savoie Mont Blanc, INRAE, CARRTEL, Thonon-les-Bains, France
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25
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Schön JL, Groß VE, Post WB, Daum A, Matúš D, Pilz J, Schnorr R, Horn S, Bäumers M, Weidtkamp-Peters S, Hughes S, Schöneberg T, Prömel S. The adhesion GPCR and PCP component flamingo (FMI-1) alters body size and regulates the composition of the extracellular matrix. Matrix Biol 2024; 128:1-10. [PMID: 38378098 DOI: 10.1016/j.matbio.2024.02.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 02/02/2024] [Accepted: 02/16/2024] [Indexed: 02/22/2024]
Abstract
The extracellular matrix (ECM) is a network of macromolecules that presents a vital scaffold for cells and enables multiple ways of cellular communication. Thus, it is essential for many physiological processes such as development, tissue morphogenesis, homeostasis, the shape and partially the size of the body and its organs. To ensure these, the composition of the ECM is tissue-specific and highly dynamic. ECM homeostasis is therefore tightly controlled by several mechanisms. Here, we show that FMI-1, the homolog of the Adhesion GPCR Flamingo/CELSR/ADGRC in the nematode Caenorhabditis elegans, modulates the composition of the ECM by controlling the production both of ECM molecules such as collagens and also of ECM modifying enzymes. Thereby, FMI-1 affects the morphology and functionality of the nematode´s cuticle, which is mainly composed of ECM, and also modulates the body size. Mechanistic analyses highlight the fact that FMI-1 exerts its function from neurons non-cell autonomously (trans) solely via its extracellular N terminus. Our data support a model, by which the activity of the receptor, which has a well-described role in the planar cell polarity (PCP) pathway, involves the PCP molecule VANG-1, but seems to be independent of the DBL-1/BMP pathway.
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Affiliation(s)
- Johanna Lena Schön
- Rudolf Schönheimer Institute of Biochemistry, Medical Faculty, Leipzig University, Leipzig, Germany; Department of Dermatology, Venereology and Allergology, Leipzig University Medical Center, Leipzig University, Leipzig, Germany
| | - Victoria Elisabeth Groß
- Institute of Cell Biology, Department of Biology, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Willem Berend Post
- Institute of Cell Biology, Department of Biology, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Alexandra Daum
- Institute of Cell Biology, Department of Biology, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Daniel Matúš
- Rudolf Schönheimer Institute of Biochemistry, Medical Faculty, Leipzig University, Leipzig, Germany; Department of Molecular and Cellular Physiology, Stanford University, Stanford, USA
| | - Johanna Pilz
- Rudolf Schönheimer Institute of Biochemistry, Medical Faculty, Leipzig University, Leipzig, Germany
| | - Rene Schnorr
- Institute of Cell Biology, Department of Biology, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Susanne Horn
- Rudolf Schönheimer Institute of Biochemistry, Medical Faculty, Leipzig University, Leipzig, Germany
| | - Miriam Bäumers
- Center for Advanced Imaging, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | | | - Samantha Hughes
- A-LIFE, Section Environmental Health and Toxicology, Free University Amsterdam, Amsterdam, the Netherlands
| | - Torsten Schöneberg
- Rudolf Schönheimer Institute of Biochemistry, Medical Faculty, Leipzig University, Leipzig, Germany; School of Medicine, University of Global Health Equity, Kigali, Rwanda
| | - Simone Prömel
- Institute of Cell Biology, Department of Biology, Heinrich Heine University Düsseldorf, Düsseldorf, Germany.
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26
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Del Mar Labrador M, Serrano D, Doña J, Aguilera E, Arroyo JL, Atiénzar F, Barba E, Bermejo A, Blanco G, Borràs A, Calleja JA, Cantó JL, Cortés V, De la Puente J, De Palacio D, Fernández-González S, Figuerola J, Frías Ó, Fuertes-Marcos B, Garamszegi LZ, Gordo Ó, Gurpegui M, Kovács I, Martínez JL, Meléndez L, Mestre A, Møller AP, Monrós JS, Moreno-Opo R, Navarro C, Pap PL, Pérez-Tris J, Piculo R, Ponce C, Proctor HC, Rodríguez R, Sallent Á, Senar JC, Tella JL, Vágási CI, Vögeli M, Jovani R. Host space, not energy or symbiont size, constrains feather mite abundance across passerine bird species. J Anim Ecol 2024; 93:393-405. [PMID: 38100230 DOI: 10.1111/1365-2656.14032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Accepted: 11/06/2023] [Indexed: 04/04/2024]
Abstract
Comprehending symbiont abundance among host species is a major ecological endeavour, and the metabolic theory of ecology has been proposed to understand what constrains symbiont populations. We parameterized metabolic theory equations to investigate how bird species' body size and the body size of their feather mites relate to mite abundance according to four potential energy (uropygial gland size) and space constraints (wing area, total length of barbs and number of feather barbs). Predictions were compared with the empirical scaling of feather mite abundance across 106 passerine bird species (26,604 individual birds sampled), using phylogenetic modelling and quantile regression. Feather mite abundance was strongly constrained by host space (number of feather barbs) but not by energy. Moreover, feather mite species' body size was unrelated to the body size of their host species. We discuss the implications of our results for our understanding of the bird-feather mite system and for symbiont abundance in general.
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Affiliation(s)
- María Del Mar Labrador
- Doñana Biological Station (CSIC), Seville, Spain
- SEO-Monticola Ornithological Group, Autonomous University of Madrid, Madrid, Spain
| | | | - Jorge Doña
- University of Illinois, Urbana, Illinois, USA
- University of Granada, Granada, Spain
| | | | | | | | | | - Ana Bermejo
- SEO-Monticola Ornithological Group, Autonomous University of Madrid, Madrid, Spain
| | | | - Antoni Borràs
- Museu de Ciències Naturals de Barcelona, Barcelona, Spain
| | - Juan A Calleja
- SEO-Monticola Ornithological Group, Autonomous University of Madrid, Madrid, Spain
- Autonomous University of Madrid, Madrid, Spain
| | | | | | - Javier De la Puente
- SEO-Monticola Ornithological Group, Autonomous University of Madrid, Madrid, Spain
| | - Diana De Palacio
- SEO-Monticola Ornithological Group, Autonomous University of Madrid, Madrid, Spain
| | | | | | | | | | - László Z Garamszegi
- Institute of Ecology and Botany, Centre for Ecological Research, Vácrátót, Hungary
| | - Óscar Gordo
- Doñana Biological Station (CSIC), Seville, Spain
| | - Míriam Gurpegui
- National Institute for Agricultural and Food Research and Technology (CSIC), Madrid, Spain
| | - István Kovács
- 'Milvus Group' Bird and Nature Protection Association, Târgu Mureş, Romania
| | | | - Leandro Meléndez
- Biodiversity Research Institute (Univ. of Oviedo-CSIC-Princ. Asturias), Mieres, Spain
| | | | | | | | - Rubén Moreno-Opo
- SEO-Monticola Ornithological Group, Autonomous University of Madrid, Madrid, Spain
| | | | - Péter L Pap
- Babeş-Bolyai University, Cluj-Napoca, Romania
- University of Debrecen, Debrecen, Hungary
| | | | | | - Carlos Ponce
- SEO-Monticola Ornithological Group, Autonomous University of Madrid, Madrid, Spain
| | | | | | - Ángel Sallent
- Naturalists Association of Southeast (ANSE), Murcia, Spain
| | | | - José L Tella
- Doñana Biological Station (CSIC), Seville, Spain
| | | | | | - Roger Jovani
- Doñana Biological Station (CSIC), Seville, Spain
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27
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Bravo C, Bautista-Sopelana LM, Alonso JC. Revisiting niche divergence hypothesis in sexually dimorphic birds: Is diet overlap correlated with sexual size dimorphism? J Anim Ecol 2024; 93:460-474. [PMID: 38462717 DOI: 10.1111/1365-2656.14058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Accepted: 01/04/2024] [Indexed: 03/12/2024]
Abstract
The evolution of sexual size dimorphism (SSD) is a long-standing topic in evolutionary biology, but there is little agreement on the extent to which SSD is driven by the different selective forces. While sexual selection and fecundity selection have traditionally been proposed as the two leading hypotheses, SSD may also result from natural selection through mechanisms such as sexual niche divergence, which might have reduced resource competition between sexes. Here, we revisited the niche divergence hypothesis by testing the relationship between the sexual overlap in diet and SSD of 56 bird species using phylogenetic comparative analyses. We then assessed how SSD variation relates to the three main hypotheses: sexual selection, fecundity selection, and sexual niche divergence using phylogenetic generalized least squares (PGLS). Then, we compared sexual selection, fecundity selection and niche divergence selection as SSD drivers through phylogenetic confirmatory path analyses to disentangle the possible causal evolutionary relationships between SSD and the three hypotheses. Phylogenetic generalized least squares showed that SSD was negatively correlated with diet overlap, that is, the greater the difference in body size between males and females, the less diet overlap. As predicted by sexual selection theory, the difference in body size between sexes was higher in polygynous species. Confirmatory phylogenetic path analyses suggested that the most likely evolutionary path might include the mating system as a main driver in SSD and niche divergence as a result of SSD. We found no evidence of a role of fecundity selection in the evolution of female-biased SSD. Our study provides evidence that sexual selection has likely been the main cause of SSD and that dietary divergence is likely an indirect effect of SSD.
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Affiliation(s)
- Carolina Bravo
- Instituto de Investigación en Recursos Cinegéticos (IREC)-(CSIC-UCLM-JCCM), Ciudad Real, Spain
| | | | - Juan Carlos Alonso
- Department of Evolutionary Ecology, Museo Nacional de Ciencias Naturales (MNCN), CSIC, Madrid, Spain
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28
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Kaiuca JFL, Martinelli AG, Schultz CL, Fonseca PHM, Tavares WC, Soares MB. Weighing in on miniaturization: New body mass estimates for Triassic eucynodonts and analyses of body size evolution during the cynodont-mammal transition. Anat Rec (Hoboken) 2024; 307:1594-1612. [PMID: 38229416 DOI: 10.1002/ar.25377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Revised: 12/20/2023] [Accepted: 12/22/2023] [Indexed: 01/18/2024]
Abstract
Body size influences most aspects of an animal's biology, consequently, evolutionary diversification is often accompanied by differentiation of body sizes within a lineage. It is accepted that miniaturization, or the evolution of extremely small body sizes, played a key role in the origin and early evolution of different mammalian characters in non-mammaliaform cynodonts. However, while there are multiple studies on the biomechanical, behavioral, and physiological consequences of smaller sizes, few explore the evolutionary processes that lead to them. Here, we use body mass as a universal size measurement in phylogenetic comparative analyses to explore aspects of body size evolution in Cynodontia, focusing on the cynodont-mammal transition, and test the miniaturization hypothesis for the origin of Mammaliaformes. We estimated the body masses of 29 species, ranging from Theriocephalia to Mammaliaformes, providing the largest collection of Triassic cynodont body mass estimates that we know of, and used these estimates in analyses of disparity through time and RRphylo . Unexpectedly, our results did not support the miniaturization hypothesis. Even though cynodont body size disparity fell during the Late Triassic, and remained lower than expected under a purely Brownian motion model of evolution up until the Early Jurassic, we found that rates of body size evolution were significantly lower in prozostrodontians leading to the first Mammaliaformes than in other lineages. Evolution rates were higher in medium and large-sized taxa, indicating that size was changing more rapidly in those lineages and that small sizes were probably a persistent plesiomorphic character-state in Cynodontia.
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Affiliation(s)
- João Felipe Leal Kaiuca
- Programa de Pós-Graduação em Biodiversidade e Biologia Evolutiva, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Instituto de Biologia, Interbloco B/C, CCS, Rio de Janeiro, Brazil
- Núcleo Multidisciplinar de Pesquisa em Biologia, Campus UFRJ Duque de Caxias Professor Geraldo Cidade, Universidade Federal do Rio de Janeiro, Duque de Caxias, Brazil
- Departamento de Geologia e Paleontologia, Museu Nacional, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Agustín Guillermo Martinelli
- Sección Paleontología de Vertebrados, Museo Argentino de Ciencias Naturales "Bernardino Rivadavia"-CONICET, Buenos Aires, Argentina
| | - Cesar Leandro Schultz
- Departamento de Paleontologia e Estratigrafia, Instituto de Geociências, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Pedro Henrique Morais Fonseca
- Programa de Pós-Graduação em Geociências, Instituto de Geociências, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - William Corrêa Tavares
- Programa de Pós-Graduação em Biodiversidade e Biologia Evolutiva, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Instituto de Biologia, Interbloco B/C, CCS, Rio de Janeiro, Brazil
- Núcleo Multidisciplinar de Pesquisa em Biologia, Campus UFRJ Duque de Caxias Professor Geraldo Cidade, Universidade Federal do Rio de Janeiro, Duque de Caxias, Brazil
| | - Marina Bento Soares
- Departamento de Geologia e Paleontologia, Museu Nacional, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
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29
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Mitchell DR, Sherratt E, Weisbecker V. Facing the facts: adaptive trade-offs along body size ranges determine mammalian craniofacial scaling. Biol Rev Camb Philos Soc 2024; 99:496-524. [PMID: 38029779 DOI: 10.1111/brv.13032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 11/12/2023] [Accepted: 11/14/2023] [Indexed: 12/01/2023]
Abstract
The mammalian cranium (skull without lower jaw) is representative of mammalian diversity and is thus of particular interest to mammalian biologists across disciplines. One widely retrieved pattern accompanying mammalian cranial diversification is referred to as 'craniofacial evolutionary allometry' (CREA). This posits that adults of larger species, in a group of closely related mammals, tend to have relatively longer faces and smaller braincases. However, no process has been officially suggested to explain this pattern, there are many apparent exceptions, and its predictions potentially conflict with well-established biomechanical principles. Understanding the mechanisms behind CREA and causes for deviations from the pattern therefore has tremendous potential to explain allometry and diversification of the mammalian cranium. Here, we propose an amended framework to characterise the CREA pattern more clearly, in that 'longer faces' can arise through several kinds of evolutionary change, including elongation of the rostrum, retraction of the jaw muscles, or a more narrow or shallow skull, which all result in a generalised gracilisation of the facial skeleton with increased size. We define a standardised workflow to test for the presence of the pattern, using allometric shape predictions derived from geometric morphometrics analysis, and apply this to 22 mammalian families including marsupials, rabbits, rodents, bats, carnivores, antelopes, and whales. Our results show that increasing facial gracility with size is common, but not necessarily as ubiquitous as previously suggested. To address the mechanistic basis for this variation, we then review cranial adaptations for harder biting. These dictate that a more gracile cranium in larger species must represent a structural sacrifice in the ability to produce or withstand harder bites, relative to size. This leads us to propose that facial gracilisation in larger species is often a product of bite force allometry and phylogenetic niche conservatism, where more closely related species tend to exhibit more similar feeding ecology and biting behaviours and, therefore, absolute (size-independent) bite force requirements. Since larger species can produce the same absolute bite forces as smaller species with less effort, we propose that relaxed bite force demands can permit facial gracility in response to bone optimisation and alternative selection pressures. Thus, mammalian facial scaling represents an adaptive by-product of the shifting importance of selective pressures occurring with increased size. A reverse pattern of facial 'shortening' can accordingly also be found, and is retrieved in several cases here, where larger species incorporate novel feeding behaviours involving greater bite forces. We discuss multiple exceptions to a bite force-mediated influence on facial proportions across mammals which lead us to argue that ecomorphological specialisation of the cranium is likely to be the primary driver of facial scaling patterns, with some developmental constraints as possible secondary factors. A potential for larger species to have a wider range of cranial functions when less constrained by bite force demands might also explain why selection for larger sizes seems to be prevalent in some mammalian clades. The interplay between adaptation and constraint across size ranges thus presents an interesting consideration for a mechanistically grounded investigation of mammalian cranial allometry.
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Affiliation(s)
- D Rex Mitchell
- College of Science and Engineering, Flinders University, GPO Box 2100, Adelaide, South Australia, 5001, Australia
- Australian Research Council Centre of Excellence for Australian Biodiversity and Heritage, Wollongong, New South Wales, 2522, Australia
| | - Emma Sherratt
- School of Biological Sciences, The University of Adelaide, Adelaide, South Australia, 5005, Australia
- South Australian Museum, Adelaide, South Australia, 5000, Australia
| | - Vera Weisbecker
- College of Science and Engineering, Flinders University, GPO Box 2100, Adelaide, South Australia, 5001, Australia
- Australian Research Council Centre of Excellence for Australian Biodiversity and Heritage, Wollongong, New South Wales, 2522, Australia
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30
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Yu Z, Dong Y, Chen Y, Aleya L, Zhao Y, Yao L, Gu W. It is time to explore the impact of length of gestation and fetal health on the human lifespan. Aging Cell 2024; 23:e14157. [PMID: 38558485 PMCID: PMC11019132 DOI: 10.1111/acel.14157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 02/20/2024] [Accepted: 03/12/2024] [Indexed: 04/04/2024] Open
Abstract
A recently proposed principal law of lifespan (PLOSP) proposes to extend the whole human lifespan by elongating different life stages. As the preborn stage of a human being, gestation is the foundation for the healthy development of the human body. The antagonistic pleiotropy (AP) theory of aging states that there is a trade-off between early life fitness and late-life mortality. The question is whether slower development during the gestation period would be associated with a longer lifespan. Among all living creatures, the length of the gestation period is highly positively correlated to the length of the lifespan, although such a correlation is thought to be influenced by the body sizes of different species. While examining the relationship between lifespan length and body size within the same species, dogs exhibit a negative correlation between lifespans and body sizes, while there is no such correlation among domestic cats. For humans, most adverse gestational environments shorten the period of gestation, and their impacts are long-term. While many issues remain unsolved, various developmental features have been linked to the conditions during the gestation period. Given that the length of human pregnancies can vary randomly by as long as 5 weeks, it is worth investigating whether a slow steady healthy gestation over a longer period will be related to a longer and healthier lifespan. This article discusses the potential benefits, negative impacts, and challenges of the relative elongation of the gestation period.
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Affiliation(s)
- Zhuo Yu
- Heilongjiang Academy of Traditional Chinese MedicineHarbinChina
| | - Yushan Dong
- Graduate School of Heilongjiang University of Chinese MedicineHarbinHeilongjiangChina
| | - Yuhan Chen
- Guang'anmen Hospital, China Academy of Chinese Medical SciencesBeijingChina
| | - Lotfi Aleya
- Chrono‐Environnement Laboratory, UMR CNRS 6249Bourgogne Franche‐Comté UniversityBesançon CedexFrance
| | - Yinhuan Zhao
- Department of Rheumatism, Shanghai Traditional Chinese Medicine Integrated HospitalShanghai University of Traditional Chinese MedicineShanghaiChina
| | - Lan Yao
- College of Health Management, Harbin Medical UniversityHarbinHeilongjiangChina
- Department of Orthopedic Surgery and BME‐Campbell ClinicUniversity of Tennessee Health Science CentreMemphisTennesseeUSA
| | - Weikuan Gu
- Department of Orthopedic Surgery and BME‐Campbell ClinicUniversity of Tennessee Health Science CentreMemphisTennesseeUSA
- Research Lt. Col. Luke WeathersJr. VA Medical CenterMemphisTennesseeUSA
- Department of Pharmaceutical SciencesUniversity of Tennessee Health Science CenterMemphisTennesseeUSA
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31
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Kaak KB, Holliday CP, Mulekar MS, Trepman E, Holliday NP. Women's perceptions of body mass graphics and their preferences for weight counselling. Clin Obes 2024; 14:e12632. [PMID: 38114087 DOI: 10.1111/cob.12632] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 11/08/2023] [Accepted: 11/24/2023] [Indexed: 12/21/2023]
Abstract
Health care providers may lack data-driven guidance about best practises for discussing weight. We assessed women's self-perception of body mass index (BMI) and preferences for weight counselling by provider characteristics and the initiating question. A voluntary, anonymous survey was completed by 756 women (age ≥ 19 year) at our tertiary care obstetrics and gynaecology clinics in autumn 2021. The respondents' height and weight were collected before respondents selected graphics from a validated Body Image Scale that they felt best represented their current body size and which graphs should prompt weight loss or gain recommendations. Respondents were asked their preferences about provider characteristics for discussion about weight and to identify which of six initiating questions from a provider was most and least preferred. Blank responses were allowed. In 708 responses, 366 women (52%) selected the most accurate graphic that corresponded to their BMI; the selected graphic represented a lower than actual BMI in 268 women (38%) and higher in 74 women (10%). In 648 responses, 374 women (58%) preferred a female provider, but provider body shape, ethnicity/race and age were not important to most women. The most preferred question to initiate a discussion about weight was "A lot of women have trouble achieving or maintaining a healthy weight; is that something we can discuss?" in 181 of 555 women (33%), and the least preferred question was "Do you feel like you are at an appropriate weight?" in 172 of 554 women (31%). Provider knowledge about patient preferences regarding questions may facilitate the discussion about weight.
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Affiliation(s)
- Katherine B Kaak
- Department of Obstetrics and Gynecology, University of South Alabama College of Medicine, Mobile, Alabama, USA
- Department of Obstetrics and Gynecology, University of Tennessee Graduate School of Medicine, Knoxville, Tennessee, USA
| | - Candice P Holliday
- Department of Obstetrics and Gynecology, University of South Alabama College of Medicine, Mobile, Alabama, USA
| | - Madhuri S Mulekar
- Department of Mathematics and Statistics, University of South Alabama College of Arts and Sciences, Mobile, Alabama, USA
| | - Elly Trepman
- University of South Alabama College of Medicine, Mobile, Alabama, USA
| | - Nicolette P Holliday
- Department of Obstetrics and Gynecology, University of South Alabama College of Medicine, Mobile, Alabama, USA
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Ocampo-Peñuela N. Context-dependent bird body mass responses to climate change. Trends Ecol Evol 2024; 39:318-319. [PMID: 38461120 DOI: 10.1016/j.tree.2024.02.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Revised: 02/26/2024] [Accepted: 02/27/2024] [Indexed: 03/11/2024]
Abstract
Previous studies demonstrated decreasing body size of birds in response to rising temperatures. Recently, Neate-Clegg et al. documented that birds have been becoming larger in an Afromontane forest over four decades. This highlights the complexity of morphological responses to climate, the importance of context, and the need to study phenomena in a diversity of regions.
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Han JX, Bai Z, Wang RW. Unraveling power-law scaling through exponential cell division dynamics. Biosystems 2024; 238:105190. [PMID: 38492628 DOI: 10.1016/j.biosystems.2024.105190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 03/11/2024] [Accepted: 03/12/2024] [Indexed: 03/18/2024]
Abstract
A primary objective of biology is the development of universal laws that define how organic form develops and how it evolves as a function of size, both ontogenetically and across evolutionary time. Scaling theory has been essential in reaching this goal by giving a complete perspective point, particularly in illuminating the fundamental biological features produced within scaling exponents defining families of equations. Nonetheless, the theoretical basis of the allometric equation within scaling theory are inadequately explained, particularly when it comes to establishing links between micro-level processes at the cellular level and macro-level phenomena. We proposed an unlimited cell bipartition, resulting in an exponential growth in cell numbers during an individual's lifespan, to bridge this conceptual gap between cellular processes and allometric scaling. The power-law scaling between body mass and organ weight was produced by the synchronous exponential increments and the allometric exponent is rate of logarithmic cell proliferation rate. Substituting organ weight for erythrocyte weight aided in the development of a power-law scaling relationship between body mass and metabolic rate. Furthermore, it is critical to understand how cell size affects the exponent in power-law scaling. We find that a bigger exponent will result from an increase in the average weight of organ cells or a decrease in the average weight of all cells. Furthermore, cell proliferation dynamics showed a complex exponential scaling between body mass and longevity, defying the previously reported power-law scaling. We discovered a quadratic link between longevity and logarithmic body mass. Notably, all of the parameters included in these relationships are explained by indices linked to cell division and embryonic development. This research adds to our understanding of the complex interaction between cellular processes and overarching scaling phenomena in biology.
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Affiliation(s)
- Jia-Xu Han
- School of Ecology and Environment, Northwestern Polytechnical University, Xi'an 710072, PR China; Zoology Department and Biodiversity Research Centre, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada
| | - Zhuangdong Bai
- School of Ecology and Environment, Northwestern Polytechnical University, Xi'an 710072, PR China
| | - Rui-Wu Wang
- School of Ecology and Environment, Northwestern Polytechnical University, Xi'an 710072, PR China.
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Names GR, Grindstaff JL, Westneat DF, Heidinger BJ. Climate change and its effects on body size and shape: the role of endocrine mechanisms. Philos Trans R Soc Lond B Biol Sci 2024; 379:20220509. [PMID: 38310941 PMCID: PMC10838645 DOI: 10.1098/rstb.2022.0509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Accepted: 11/21/2023] [Indexed: 02/06/2024] Open
Abstract
In many organisms, rapidly changing environmental conditions are inducing dramatic shifts in diverse phenotypic traits with consequences for fitness and population viability. However, the mechanisms that underlie these responses remain poorly understood. Endocrine signalling systems often influence suites of traits and are sensitive to changes in environmental conditions; they are thus ideal candidates for uncovering both plastic and evolved consequences of climate change. Here, we use body size and shape, a set of integrated traits predicted to shift in response to rising temperatures with effects on fitness, and insulin-like growth factor-1 as a case study to explore these ideas. We review what is known about changes in body size and shape in response to rising temperatures and then illustrate why endocrine signalling systems are likely to be critical in mediating these effects. Lastly, we discuss research approaches that will advance understanding of the processes that underlie rapid responses to climate change and the role endocrine systems will have. Knowledge of the mechanisms involved in phenotypic responses to climate change will be essential for predicting both the ecological and the long-term evolutionary consequences of a warming climate. This article is part of the theme issue 'Endocrine responses to environmental variation: conceptual approaches and recent developments'.
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Affiliation(s)
- Gabrielle R. Names
- Department of Biological Sciences, North Dakota State University, 1340 Bolley Drive, Fargo, ND 58102, USA
- Biology Department, California Lutheran University, 60 West Olsen Road, Thousand Oaks, CA 91360, USA
| | | | - David F. Westneat
- Department of Biology, University of Kentucky, 101 Morgan Building, Lexington, KY 40506, USA
| | - Britt J. Heidinger
- Department of Biological Sciences, North Dakota State University, 1340 Bolley Drive, Fargo, ND 58102, USA
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35
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Beaudrot L, Acevedo MA, Gorczynski D, Harris NC. Geographic differences in body size distributions underlie food web connectance of tropical forest mammals. Sci Rep 2024; 14:6965. [PMID: 38521800 PMCID: PMC10960815 DOI: 10.1038/s41598-024-57500-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 03/19/2024] [Indexed: 03/25/2024] Open
Abstract
Understanding variation in food web structure over large spatial scales is an emerging research agenda in food web ecology. The density of predator-prey links in a food web (i.e., connectance) is a key measure of network complexity that describes the mean proportional dietary breadth of species within a food web. Connectance is a critical component of food web robustness to species loss: food webs with lower connectance have been shown to be more susceptible to secondary extinctions. Identifying geographic variation in food web connectance and its drivers may provide insight into community robustness to species loss. We investigated the food web connectance of ground-dwelling tropical forest mammal communities in multiple biogeographic regions to test for differences among regions in food web connectance and to test three potential drivers: primary productivity, contemporary anthropogenic pressure, and variation in mammal body mass distributions reflective of historical extinctions. Mammal communities from fifteen protected forests throughout the Neo-, Afro-, and Asian tropics were identified from systematic camera trap arrays. Predator-prey interaction data were collected from published literature, and we calculated connectance for each community as the number of observed predator-prey links relative to the number of possible predator-prey links. We used generalized linear models to test for differences among regions and to identify the site level characteristics that best predicted connectance. We found that mammal food web connectance varied significantly among continents and that body size range was the only significant predictor. More possible predator-prey links were observed in communities with smaller ranges in body size and therefore sites with smaller body size ranges had higher mean proportional dietary breadth. Specifically, mammal communities in the Neotropics and in Madagascar had significantly higher connectance than mammal communities in Africa. This geographic variation in contemporary mammalian food web structure may be the product of historical extinctions in the Late Quaternary, which led to greater losses of large-bodied species in the Neotropics and Madagascar thus contributing to higher average proportional dietary breadth among the remaining smaller bodied species in these regions.
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Affiliation(s)
- Lydia Beaudrot
- Program in Ecology and Evolutionary Biology, Department of BioSciences, Rice University, Houston, TX, USA.
- Department of Integrative Biology, Michigan State University, East Lansing, MI, USA.
| | - Miguel A Acevedo
- Department of Wildlife Ecology and Conservation, University of Florida, Gainesville, FL, USA
| | - Daniel Gorczynski
- Program in Ecology and Evolutionary Biology, Department of BioSciences, Rice University, Houston, TX, USA
| | - Nyeema C Harris
- Applied Wildlife Ecology Lab, School of the Environment, Yale University, New Haven, CT, USA
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36
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Liczbińska G, Gautam RK, Bharati P, Malina RM. Regional variation in body size and estimated secular change among adult Indian males born in the 1890s-1950s. Anthropol Anz 2024; 81:219-232. [PMID: 37869889 DOI: 10.1127/anthranz/2023/1741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Revised: 08/22/2023] [Accepted: 08/22/2023] [Indexed: 10/24/2023]
Abstract
Regional variation in the body size of Indian men 18-84 years of age (birth years 1891-1957) was considered. Heights, weights, and BMIs of Indian males from four regions of the country - North, East-Northeast, Central, and West were compared. Heights of men 35+ years of age were adjusted for estimated height loss with age; the estimate was added to observed height to provide an estimate of maximum height. Linear regressions of measured height and estimated maximum height on year of birth were used to evaluate secular change by region. Differences in measured and estimated maximum heights and weight among regions were significant in all age groups, while differences in the BMI were significant in all age groups except 55+ years. Men from the North region were tallest and those from the East-Northeast region were shortest, while body weight and the BMI varied among regions. Regression analyses of year of birth on measured and estimated maximum heights indicated small differences in estimates of secular change among regions but suggested a decline in estimated maximum heights with age among men in the four regions born in 1891 through the 1930s, and small but variable estimates of secular change in heights among men born in the 1930s through 1957. The variation likely reflected socio-economic disparities and ecological differences among regions, and by inference nutritional status though data are limited.
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Affiliation(s)
- Grażyna Liczbińska
- Institute of Human Biology and Evolution, Faculty of Biology, Adam Mickiewicz University, Poznań, Poland
| | - Rajesh K Gautam
- Department of Anthropology, Dr. Harisingh Gour Vishwavidyalaya (A Central University), Sagar, Madhya Pradesh, India
| | - Premananda Bharati
- Biological Anthropology Unit, Indian Statistical Institute, Kolkata, India
| | - Robert M Malina
- Department of Kinesiology and Health Education, University of Texas, Austin, TX 78705 USA
- School of Public Health and Information Sciences, University of Louisville, Louisville, Kentucky, USA
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Ghaffar RA, Zulfiqar S, Hassan HU, Fadladdin YAJ, Sohail M, Kabir M, Raza MA, Rafiq N, Abdel-Aziz MFA, Garedaghi Y, Hasan I, Arai T. New record of Philometra species from the marine edible fish Terapon jarbua collected from the Sindh, Arabian Sea, Pakistan. BRAZ J BIOL 2024; 84:e281415. [PMID: 38511782 DOI: 10.1590/1519-6984.281415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Accepted: 02/15/2024] [Indexed: 03/22/2024] Open
Abstract
Diseases in fish due to helminth parasites, especially Philometra species, are the primary worry in aquaculture. Philometra are responsible for health problem in fishes they directly affect fish growth and population parameters. A comprehensive survey was conducted involving the examination of the marine fish species Terapon jarbua, gathered from the coastal waters of Sindh, Pakistan In this research different Philometra species from marine fish Terapon jarbua during 2021 and 2022. Philometra nematodes, belonging to the family Philometridae, are common parasitic organisms inhabiting both marine and freshwater environments. Their prevalence, particularly when existing in high numbers within host organisms, can lead to severe and potentially lethal consequences. Employing light microscopy techniques, diverse species of Philometra were identified, including Philometra teraponi, P. jarbuai, P. arabiai, P. karachii, and P. awarii, localized primarily within the ovaries of the host fish. A total of 140 fish samples were examined and 76 were infected. The intensity of infected fish was 54.28%. The identification process encompassed meticulous analysis of crucial parameters, such as body size, esophagus length, positioning of the nerve ring, dimensions of the ventriculus, and ligament size. Intriguingly, the parasites were found in varying contexts; while some were free within the ovaries, others were embedded within tissues, inducing severe muscular dystrophy. This research presents novel findings of Philometra nematodes in the marine waters of Pakistan, extending their host and geographical distribution records. Future studies are needed to better evaluate and describe the dynamics and the epidemiology of Philometra infection in wild and cultured fish species.
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Affiliation(s)
- R A Ghaffar
- University of Karachi, Department of Zoology, Karachi, Pakistan
| | - S Zulfiqar
- University of Karachi, Department of Zoology, Karachi, Pakistan
| | - H Ul Hassan
- University of Karachi, Department of Zoology, Karachi, Pakistan
- Government of Pakistan, Ministry of National Food Security and Research, Fisheries Development Board, Islamabad, Pakistan
| | - Y A J Fadladdin
- King Abdulaziz University, Faculty of Sciences, Department of Biological Sciences, Jeddah, Saudi Arabia
| | - M Sohail
- Government Postgraduate College Sahiwal, Department of Biology, Sahiwal, Pakistan
| | - M Kabir
- Thal University Bhakkar (University of Sargodha, Ex-Sub-Campus Bhakkar), Department of Biological Sciences, Bhakkar, Punjab, Pakistan
| | - M A Raza
- Government Postgraduate College Satellite Town, Department of Biology, Gujranwala, Pakistan
| | - N Rafiq
- Abdul Wali Khan University Mardan, Department of Zoology, Khyber Pakhtunkhwa, Pakistan
| | - M F A Abdel-Aziz
- Arish University, Faculty of Aquaculture and Marine Fisheries, Department of Aquaculture and Biotechnology, Al-Arish , Egypt
| | - Y Garedaghi
- Islamic Azad University Tabriz Branch, Faculty of Veterinary Medicine, Department of Parasitology, Tabriz Medical Sciences, Tabriz, Iran
| | - I Hasan
- University of Insubria, Department of Biotechnology and Life Sciences, Varese, Italy
| | - T Arai
- Universiti Brunei Darussalam, Faculty of Science, Environmental and Life Sciences Programme, Gadong, Brunei
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38
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Miedema F, Bastiaans D, Scheyer TM, Klug C, Maxwell EE. A large new Middle Jurassic ichthyosaur shows the importance of body size evolution in the origin of the Ophthalmosauria. BMC Ecol Evol 2024; 24:34. [PMID: 38493100 PMCID: PMC10944604 DOI: 10.1186/s12862-024-02208-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Accepted: 01/29/2024] [Indexed: 03/18/2024] Open
Abstract
The Middle Jurassic is an important time period for the evolutionary history of marine reptiles as it represented a transitional phase for many clades. Notably, in ichthyosaurs, many early parvipelvian taxa went extinct. The Middle Jurassic saw the emergence of the derived Ophthalmosauria, ultimately becoming the dominant ichthyosaurian clade by the end of the epoch. Even though this is an important period in the evolutionary history of Ophthalmosauria, our understanding remains limited in terms of morphology and taxonomy due to the scarcity of vertebrate-bearing strata. Here we present a large new ichthyosaur from the Bajocian of Switzerland, represented by an almost complete skull with 3D-preserved bones, the (inter)clavicles and a large portion of the postcranial skeleton. After CT- and surface scanning, we reconstructed the 3D in vivo morphology. Our morphological observations and phylogenetic analyses show that the new taxon named Argovisaurus martafernandezi is nested at the base of the Ophthalmosauria. The holotype and only known specimen of Argovisaurus likely represents an adult individual. Bajocian members of the Ophthalmosauria (Mollesaurus and Argovisaurus) were large-bodied animals, a trait typically associated with the more derived Platypterygiinae. This hints at the importance of a large body size early in ophthalmosaurian evolution.LSID: urn:lsid:zoobank.org:act:C3312628-1544-4B87-BBE3-B12346A30BE3LSID: urn:lsid:zoobank.org:act:23C2BD71-8CF0-4D99-848A-0D631518415B.
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Affiliation(s)
- Feiko Miedema
- Staatliches Museum für Naturkunde Stuttgart, Rosenstein 1, Stuttgart, 70191, Germany.
- Universität Zürich, Paläontologisches Institut, Karl Schmid-Strasse 4, Zürich, 8006, Switzerland.
| | - Dylan Bastiaans
- Universität Zürich, Paläontologisches Institut, Karl Schmid-Strasse 4, Zürich, 8006, Switzerland
- NHMB: Naturhistorisches Museum Basel, Augustinergasse 2, Basel, 4001, Switzerland
| | - Torsten M Scheyer
- Universität Zürich, Paläontologisches Institut, Karl Schmid-Strasse 4, Zürich, 8006, Switzerland
| | - Christian Klug
- Universität Zürich, Paläontologisches Institut, Karl Schmid-Strasse 4, Zürich, 8006, Switzerland
| | - Erin E Maxwell
- Staatliches Museum für Naturkunde Stuttgart, Rosenstein 1, Stuttgart, 70191, Germany
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Son J, Ward SR, Lieber RL. Scaling relationships between human leg muscle architectural properties and body size. J Exp Biol 2024; 227:jeb246567. [PMID: 38357776 DOI: 10.1242/jeb.246567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 02/05/2024] [Indexed: 02/16/2024]
Abstract
A skeletal muscle's peak force production and excursion are based on its architectural properties that are, in turn, determined by its mass, muscle fiber length and physiological cross-sectional area (PCSA). In the classic interspecific study of mammalian muscle scaling, it was demonstrated that muscle mass scales positively allometrically with body mass whereas fiber length scales isometrically with body mass, indicating that larger mammals have stronger leg muscles than they would if they were geometrically similar to smaller ones. Although this relationship is highly significant across species, there has never been a detailed intraspecific architectural scaling study. We have thus created a large dataset of 896 muscles across 34 human lower extremities (18 females and 16 males) with a size range including approximately 90% and 70% of the United States population height and mass, respectively, across the range 36-103 years. Our purpose was to quantify the scaling relationships between human muscle architectural properties and body size. We found that human muscles depart greatly from isometric scaling because muscle mass scales with body mass1.3 (larger exponent than isometric scaling of 1.0) and muscle fiber length scales with negative allometry with body mass0.1 (smaller exponent than isometric scaling of 0.33). Based on the known relationship between architecture and function, these results suggest that human muscles place a premium on muscle force production (mass and PCSA) at the expense of muscle excursion (fiber length) with increasing body size, which has implications for understanding human muscle design as well as biomechanical modeling.
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Affiliation(s)
- Jongsang Son
- Department of Biomedical Engineering, New Jersey Institute of Technology, Newark, NJ 07102, USA
| | - Samuel R Ward
- Department of Orthopaedic Surgery, University of California San Diego, La Jolla, CA 92093, USA
- Department of Radiology, University of California San Diego, La Jolla, CA 92093, USA
| | - Richard L Lieber
- Shirley Ryan AbilityLab, Chicago, IL 60611, USA
- Department of Physiology, Northwestern University, Chicago, IL 60611, USA
- Department of Physical Medicine & Rehabilitation, Northwestern University, Chicago, IL 60611, USA
- Research Service, Hines VA Hospital, Maywood, IL 60153, USA
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40
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Bell MA, Lim G, Caldwell C, Emlen DJ, Swanson BO. Rhinoceros beetle (Trypoxylus dichotomus) cuticular hydrocarbons contain information about body size and sex. PLoS One 2024; 19:e0299796. [PMID: 38483942 PMCID: PMC10939270 DOI: 10.1371/journal.pone.0299796] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Accepted: 02/15/2024] [Indexed: 03/17/2024] Open
Abstract
Japanese rhinoceros beetle (Trypoxylus dichotomus) males have exaggerated horns that are used to compete for territories. Larger males with larger horns tend to win these competitions, giving them access to females. Agonistic interactions include what appears to be assessment and often end without escalating to physical combat. However, it is unknown what information competitors use to assess each other. In many insect species chemical signals can carry a range of information, including social position, nutritional state, morphology, and sex. Specifically, cuticular hydrocarbons (CHCs), which are waxes excreted on the surface of insect exoskeletons, can communicate a variety of information. Here, we asked whether CHCs in rhinoceros beetles carry information about sex, body size, and condition that could be used by males during assessment behavior. Multivariate analysis of hydrocarbon composition revealed patterns associated with both sex and body size. We suggest that Rhinoceros beetles could be communicating information through CHCs that would explain behavioral decisions.
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Affiliation(s)
- Micah A. Bell
- Department of Biology, Gonzaga University, Spokane, Washington, United States of America
| | - Garrett Lim
- Department of Biology, Gonzaga University, Spokane, Washington, United States of America
| | - Chelsey Caldwell
- Division of Biological Sciences, The University of Montana, Missoula, Montana, United States of America
| | - Douglas J. Emlen
- Division of Biological Sciences, The University of Montana, Missoula, Montana, United States of America
| | - Brook O. Swanson
- Department of Biology, Gonzaga University, Spokane, Washington, United States of America
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Khaliq I, Rixen C, Zellweger F, Graham CH, Gossner MM, McFadden IR, Antão L, Brodersen J, Ghosh S, Pomati F, Seehausen O, Roth T, Sattler T, Supp SR, Riaz M, Zimmermann NE, Matthews B, Narwani A. Warming underpins community turnover in temperate freshwater and terrestrial communities. Nat Commun 2024; 15:1921. [PMID: 38429327 PMCID: PMC10907361 DOI: 10.1038/s41467-024-46282-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Accepted: 02/21/2024] [Indexed: 03/03/2024] Open
Abstract
Rising temperatures are leading to increased prevalence of warm-affinity species in ecosystems, known as thermophilisation. However, factors influencing variation in thermophilisation rates among taxa and ecosystems, particularly freshwater communities with high diversity and high population decline, remain unclear. We analysed compositional change over time in 7123 freshwater and 6201 terrestrial, mostly temperate communities from multiple taxonomic groups. Overall, temperature change was positively linked to thermophilisation in both realms. Extirpated species had lower thermal affinities in terrestrial communities but higher affinities in freshwater communities compared to those persisting over time. Temperature change's impact on thermophilisation varied with community body size, thermal niche breadth, species richness and baseline temperature; these interactive effects were idiosyncratic in the direction and magnitude of their impacts on thermophilisation, both across realms and taxonomic groups. While our findings emphasise the challenges in predicting the consequences of temperature change across communities, conservation strategies should consider these variable responses when attempting to mitigate climate-induced biodiversity loss.
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Affiliation(s)
- Imran Khaliq
- Department of Aquatic Ecology, Eawag (Swiss Federal Institute of Aquatic Science and Technology) Überlandstrasse 133, 8600, Dübendorf, Switzerland.
- Swiss Federal Institute for Forest, Snow and Landscape Research (WSL), Flüelastrasse 11, 7260, Davos Dorf, Switzerland.
- Climate Change, Extremes and Natural Hazards in Alpine Regions Research Centre CERC, Flüelastrasse 11, 7260, Davos Dorf, Switzerland.
- Department of Zoology, Government (defunct) post-graduate college, Dera Ghazi Khan, 32200, Pakistan.
| | - Christian Rixen
- Swiss Federal Institute for Forest, Snow and Landscape Research (WSL), Flüelastrasse 11, 7260, Davos Dorf, Switzerland
- Climate Change, Extremes and Natural Hazards in Alpine Regions Research Centre CERC, Flüelastrasse 11, 7260, Davos Dorf, Switzerland
| | - Florian Zellweger
- Swiss Federal Institute for Forest, Snow and Landscape Research (WSL), Zürcherstrasse 111, 8903, Birmensdorf, Switzerland
| | - Catherine H Graham
- Swiss Federal Institute for Forest, Snow and Landscape Research (WSL), Zürcherstrasse 111, 8903, Birmensdorf, Switzerland
| | - Martin M Gossner
- Swiss Federal Institute for Forest, Snow and Landscape Research (WSL), Zürcherstrasse 111, 8903, Birmensdorf, Switzerland
- ETH Zurich, Department of Environmental Systems Science, Institute of Terrestrial Ecosystems, 8092, Zurich, Switzerland
| | - Ian R McFadden
- Swiss Federal Institute for Forest, Snow and Landscape Research (WSL), Zürcherstrasse 111, 8903, Birmensdorf, Switzerland
- ETH Zurich, Department of Environmental Systems Science, Institute of Terrestrial Ecosystems, 8092, Zurich, Switzerland
- Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, 1090 GE, Amsterdam, The Netherlands
- University of London, Queen Mary, London, UK
| | - Laura Antão
- Research Centre for Ecological Change, Organismal and Evolutionary Biology Research Programme, University of Helsinki, PO Box 65 (Viikinkaari 1), 00014, Helsinki, Finland
| | - Jakob Brodersen
- Department of Fish Ecology and Evolution, Eawag (Swiss Federal Institute of Aquatic Science and Technology), Seestrasse 79, 6047, Kastanienbaum, Switzerland
- Department of Environmental Sciences, Zoology, University of Basel, Vesalgasse 1, 4051, Basel, Switzerland
| | - Shyamolina Ghosh
- Swiss Federal Institute for Forest, Snow and Landscape Research (WSL), Flüelastrasse 11, 7260, Davos Dorf, Switzerland
- Swiss Federal Institute for Forest, Snow and Landscape Research (WSL), Zürcherstrasse 111, 8903, Birmensdorf, Switzerland
- Department of Fish Ecology and Evolution, Eawag (Swiss Federal Institute of Aquatic Science and Technology), Seestrasse 79, 6047, Kastanienbaum, Switzerland
- Department of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, Switzerland
| | - Francesco Pomati
- Department of Aquatic Ecology, Eawag (Swiss Federal Institute of Aquatic Science and Technology) Überlandstrasse 133, 8600, Dübendorf, Switzerland
| | - Ole Seehausen
- Department of Fish Ecology and Evolution, Eawag (Swiss Federal Institute of Aquatic Science and Technology), Seestrasse 79, 6047, Kastanienbaum, Switzerland
- Division of Aquatic Ecology and Evolution, Institute of Ecology and Evolution, University of Bern, Baltzerstrasse 6, 3012, Bern, Switzerland
| | - Tobias Roth
- Department of Environmental Sciences, Zoology, University of Basel, Vesalgasse 1, 4051, Basel, Switzerland
- Hintermann & Weber AG Austrasse 2a, 4153, Reinach, Switzerland
| | - Thomas Sattler
- Swiss Ornithological Institute, Seerose 1, 6204, Sempach, Switzerland
| | - Sarah R Supp
- Denison University, Data Analytics Program, Granville, OH, 43023, USA
| | - Maria Riaz
- Conservation Genetics Group, Senckenberg Research Institute and Natural History Museum Frankfurt, 63571, Gelnhausen, Germany
- Faculty of Biological Sciences, Institute for Ecology, Evolution and Diversity, Goethe University, Max-von-Laue-Straße 9, 60438, Frankfurt am Main, Germany
| | - Niklaus E Zimmermann
- Swiss Federal Institute for Forest, Snow and Landscape Research (WSL), Zürcherstrasse 111, 8903, Birmensdorf, Switzerland
- ETH Zurich, Department of Environmental Systems Science, Institute of Terrestrial Ecosystems, 8092, Zurich, Switzerland
| | - Blake Matthews
- Department of Fish Ecology and Evolution, Eawag (Swiss Federal Institute of Aquatic Science and Technology), Seestrasse 79, 6047, Kastanienbaum, Switzerland
| | - Anita Narwani
- Department of Aquatic Ecology, Eawag (Swiss Federal Institute of Aquatic Science and Technology) Überlandstrasse 133, 8600, Dübendorf, Switzerland.
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Hindi J, Fréchette-Le Bel M, Rouleau JL, de Denus S. Influence of Weight and Body Size on the Pharmacokinetics of Heart Failure Pharmacotherapy: A Systematic Review. Ann Pharmacother 2024; 58:255-272. [PMID: 37338205 DOI: 10.1177/10600280231179484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/21/2023] Open
Abstract
OBJECTIVE To conduct a review of studies evaluating the influence of body size and weight (WT) on the pharmacokinetics (PK) of drugs recommended for heart failure (HF) treatment. DATA SOURCES A systematic search of the MEDLINE (1946 to April 2023) and EMBASE (1974 to April 2023) databases was conducted for articles that focused on the impact of WT or body size on the PK of drugs of interest used in HF patients. STUDY SELECTION AND DATA EXTRACTION Articles written in English or French related to the aim of our study were retained for analysis. DATA SYNTHESIS Of 6493 articles, 20 were retained for analysis. Weight was associated with the clearance of digoxin, carvedilol, enalapril, and candesartan as well as the volume of distribution of eplerenone and bisoprolol. There was no documented direct impact of WT on the PK of furosemide, valsartan, and metoprolol, although these studies were limited or confounded by the small sample size, adjustment of PK factors by WT, or the use of the Cockroff-Gault equation for the evaluation of creatinine clearance, which includes WT. RELEVANCE TO PATIENT CARE AND CLINICAL PRACTICE This review highlights and summarizes the available data on the importance of WT on the PK of HF treatment. CONCLUSION Considering the significant impact of WT on most HF drugs in this review, it may be important to further investigate it in the context of personalized therapy, particularly in patients presenting extreme WTs.
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Affiliation(s)
- Jessica Hindi
- Faculty of Pharmacy, Université de Montréal, Montreal, QC, Canada
- Montreal Heart Institute, Montreal, QC, Canada
- Beaulieu-Saucier Pharmacogenomics Center, Université de Montréal, Montreal, QC, Canada
| | | | - Jean Lucien Rouleau
- Montreal Heart Institute, Montreal, QC, Canada
- Faculty of Medicine, Université de Montréal, Montreal, QC, Canada
| | - Simon de Denus
- Faculty of Pharmacy, Université de Montréal, Montreal, QC, Canada
- Montreal Heart Institute, Montreal, QC, Canada
- Beaulieu-Saucier Pharmacogenomics Center, Université de Montréal, Montreal, QC, Canada
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43
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Kataria Y, Niharika Pillalamarri B, Zirpoli G, Szalat R, Palmer JR, Bertrand KA. Body size and risk of multiple myeloma in the Black Women's Health Study. Br J Cancer 2024; 130:830-835. [PMID: 38212484 PMCID: PMC10912597 DOI: 10.1038/s41416-023-02571-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 12/19/2023] [Accepted: 12/22/2023] [Indexed: 01/13/2024] Open
Abstract
BACKGROUND Obesity is an established risk factor for multiple myeloma (MM). Relatively few prior studies, however, have evaluated associations in Black populations. METHODS Among 55,276 participants in the Black Women's Health Study, a prospective U.S. cohort established in 1995, we confirmed 292 incident diagnoses of MM over 26 years of follow-up. Multivariable Cox proportional hazard models, adjusted for age and putative MM risk factors, were used to estimate hazard ratios (HRs) and 95% confidence intervals (CIs) for associations of usual body mass index (BMI), BMI at age 18, height, and waist-to-hip ratio with MM. RESULTS Compared to women with a usual adult BMI < 25 kg/m2, the HR associated with a usual adult BMI ≥ 35 kg/m2 was 1.38 (95% CI: 0.96, 1.98). For early adult BMI, the HR comparing women with BMI ≥ 25 vs. <25 kg/m2 was 1.57 (95% CI: 1.08, 2.28). Women who were heavy in both early and later life had the highest risk compared to those who were lean at both time points (HR: 1.60; 95% CI: 1.02, 2.52). Height was also associated with the risk of MM; the HR per 10 cm was 1.21 (95% CI: 1.02, 1.43). CONCLUSIONS These results indicate that high early adult BMI is associated with a 57% increased risk of MM in Black women and potentially highlight the importance of weight control as a preventive measure.
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Affiliation(s)
- Yachana Kataria
- Department of Pathology and Laboratory Medicine, Boston University Chobanian & Avedisian School of Medicine, Boston, MA, USA
| | | | - Gary Zirpoli
- Slone Epidemiology Center at Boston University, Boston, MA, USA
| | - Raphael Szalat
- Department of Medicine, Boston University Chobanian & Avedisian School of Medicine, Boston, MA, USA
| | - Julie R Palmer
- Slone Epidemiology Center at Boston University, Boston, MA, USA
- Department of Medicine, Boston University Chobanian & Avedisian School of Medicine, Boston, MA, USA
| | - Kimberly A Bertrand
- Slone Epidemiology Center at Boston University, Boston, MA, USA.
- Department of Medicine, Boston University Chobanian & Avedisian School of Medicine, Boston, MA, USA.
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Letessier TB, Mouillot D, Mannocci L, Jabour Christ H, Elamin EM, Elamin SM, Friedlander AM, Hearn A, Juhel JB, Kleiven AR, Moland E, Mouquet N, Nillos-Kleiven PJ, Sala E, Thompson CDH, Velez L, Vigliola L, Meeuwig JJ. Divergent responses of pelagic and benthic fish body-size structure to remoteness and protection from humans. Science 2024; 383:976-982. [PMID: 38422147 DOI: 10.1126/science.adi7562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Accepted: 01/24/2024] [Indexed: 03/02/2024]
Abstract
Animal body-size variation influences multiple processes in marine ecosystems, but habitat heterogeneity has prevented a comprehensive assessment of size across pelagic (midwater) and benthic (seabed) systems along anthropic gradients. In this work, we derive fish size indicators from 17,411 stereo baited-video deployments to test for differences between pelagic and benthic responses to remoteness from human pressures and effectiveness of marine protected areas (MPAs). From records of 823,849 individual fish, we report divergent responses between systems, with pelagic size structure more profoundly eroded near human markets than benthic size structure, signifying greater vulnerability of pelagic systems to human pressure. Effective protection of benthic size structure can be achieved through MPAs placed near markets, thereby contributing to benthic habitat restoration and the recovery of associated fishes. By contrast, recovery of the world's largest and most endangered fishes in pelagic systems requires the creation of highly protected areas in remote locations, including on the High Seas, where protection efforts lag.
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Affiliation(s)
- Tom B Letessier
- CESAB - FRB, Montpellier, France
- Institute of Zoology, Zoological Society of London, Regent's Park, London, UK
- Marine Futures Lab, School of Biological Sciences, University of Western Australia, Perth, WA, Australia
| | - David Mouillot
- MARBEC, Université de Montpellier, CNRS, Ifremer, IRD, Montpellier, France
| | - Laura Mannocci
- CESAB - FRB, Montpellier, France
- MARBEC, Université de Montpellier, CNRS, Ifremer, IRD, Montpellier, France
| | - Hanna Jabour Christ
- Marine Futures Lab, School of Biological Sciences, University of Western Australia, Perth, WA, Australia
| | | | - Sheikheldin Mohamed Elamin
- Faculty of Marine Science and Fisheries, Red Sea State University, P.O. Box 24, Port Sudan, Red Sea State, Sudan
| | - Alan M Friedlander
- National Geographic Society, Washington, DC 20036, USA
- Hawai'i Institute of Marine Biology, University of Hawai'i, Kāne'ohe, Hawai'i, USA
| | - Alex Hearn
- Galapagos Science Center, Universidad San Francisco de Quito, Quito, Ecuador
- MigraMar, Olema, CA, USA
| | - Jean-Baptiste Juhel
- ENTROPIE, Institut de Recherche pour le Développement, IRD-UR-UNC-IFREMER-CNRS, Centre IRD de Nouméa, Nouméa Cedex, New-Caledonia, France
| | - Alf Ring Kleiven
- Institute of Marine Research, Nye Flødevigveien 20, 4817 His, Norway
| | - Even Moland
- Institute of Marine Research, Nye Flødevigveien 20, 4817 His, Norway
- Centre for Coastal Research (CCR), Department of Natural Sciences, University of Agder, P.O. Box 422, N-4604 Kristiansand, Norway
| | - Nicolas Mouquet
- CESAB - FRB, Montpellier, France
- MARBEC, Université de Montpellier, CNRS, Ifremer, IRD, Montpellier, France
| | | | - Enric Sala
- National Geographic Society, Washington, DC 20036, USA
| | - Christopher D H Thompson
- Marine Futures Lab, School of Biological Sciences, University of Western Australia, Perth, WA, Australia
| | - Laure Velez
- MARBEC, Université de Montpellier, CNRS, Ifremer, IRD, Montpellier, France
| | - Laurent Vigliola
- ENTROPIE, Institut de Recherche pour le Développement, IRD-UR-UNC-IFREMER-CNRS, Centre IRD de Nouméa, Nouméa Cedex, New-Caledonia, France
| | - Jessica J Meeuwig
- Marine Futures Lab, School of Biological Sciences, University of Western Australia, Perth, WA, Australia
- Oceans Institute, University of Western Australia, Perth, WA, Australia
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45
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Beaudry-Sylvestre M, Benoît HP, Hutchings JA. Coherent long-term body-size responses across all Northwest Atlantic herring populations to warming and environmental change despite contrasting harvest and ecological factors. Glob Chang Biol 2024; 30:e17187. [PMID: 38456203 DOI: 10.1111/gcb.17187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 12/08/2023] [Accepted: 01/23/2024] [Indexed: 03/09/2024]
Abstract
Body size is a key component of individual fitness and an important factor in the structure and functioning of populations and ecosystems. Disentangling the effects of environmental change, harvest and intra- and inter-specific trophic effects on body size remains challenging for populations in the wild. Herring in the Northwest Atlantic provide a strong basis for evaluating hypotheses related to these drivers given that they have experienced significant warming and harvest over the past century, while also having been exposed to a wide range of other selective constraints across their range. Using data on mean length-at-age 4 for the sixteen principal populations over a period of 53 cohorts (1962-2014), we fitted a series of empirical models for temporal and between-population variation in the response to changes in sea surface temperature. We find evidence for a unified cross-population response in the form of a parabolic function according to which populations in naturally warmer environments have responded more negatively to increasing temperature compared with those in colder locations. Temporal variation in residuals from this function was highly coherent among populations, further suggesting a common response to a large-scale environmental driver. The synchrony observed in this study system, despite strong differences in harvest and ecological histories among populations and over time, clearly indicates a dominant role of environmental change on size-at-age in wild populations, in contrast to commonly reported effects of fishing. This finding has important implications for the management of fisheries as it indicates that a key trait associated with population productivity may be under considerably less short-term management control than currently assumed. Our study, overall, illustrates the need for a comparative approach within species for inferences concerning the many possible effects on body size of natural and anthropogenic drivers in the wild.
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Affiliation(s)
- Manuelle Beaudry-Sylvestre
- Department of Biology, Dalhousie University, Halifax, Nova Scotia, Canada
- Maurice Lamontagne Institute, Fisheries and Oceans Canada, Mont Joli, Quebec, Canada
| | - Hugues P Benoît
- Maurice Lamontagne Institute, Fisheries and Oceans Canada, Mont Joli, Quebec, Canada
| | - Jeffrey A Hutchings
- Department of Biology, Dalhousie University, Halifax, Nova Scotia, Canada
- Institute of Marine Research, Flødevigen Marine Research Station, Bergen, Norway
- Centre for Coastal Research, University of Agder, Kristiansand, Norway
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46
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Youngflesh C, Saracco JF, Siegel RB, Tingley MW. Reply to: Shrinking body size may not provide meaningful thermoregulatory benefits in a warmer world. Nat Ecol Evol 2024; 8:390-391. [PMID: 38225429 DOI: 10.1038/s41559-023-02308-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Accepted: 12/13/2023] [Indexed: 01/17/2024]
Affiliation(s)
- Casey Youngflesh
- Ecology, Evolution, and Behavior Program, Michigan State University, East Lansing, MI, USA.
| | | | | | - Morgan W Tingley
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA, USA
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Gunderson AR. Disentangling physiological and physical explanations for body size-dependent thermal tolerance. J Exp Biol 2024; 227:jeb245645. [PMID: 38426549 DOI: 10.1242/jeb.245645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/02/2024]
Abstract
The effects of climate change are often body size dependent. One contributing factor could be size-dependent thermal tolerance (SDTT), the propensity for heat and cold tolerance to vary with body size among species and among individuals within species. SDTT is hypothesized to be caused by size differences in the temperature dependence of underlying physiological processes that operate at the cellular and organ/system level (physiological SDTT). However, temperature-dependent physiology need not change with body size for SDTT to be observed. SDTT can also arise because of physical differences that affect the relative body temperature dynamics of large and small organisms (physical SDTT). In this Commentary, I outline how physical SDTT occurs, its mechanistic differences from physiological SDTT, and how physical and physiological SDTT make different predictions about organismal responses to thermal variation. I then describe how physical SDTT can influence the outcome of thermal tolerance experiments, present an experimental framework for disentangling physical and physiological SDTT, and provide examples of tests for physiological SDTT that control for physical effects using data from Anolis lizards. Finally, I discuss how physical SDTT can affect organisms in natural environments and influence their vulnerability to anthropogenic warming. Differentiating between physiological and physical SDTT is important because it has implications for how we design and interpret thermal tolerance experiments and our fundamental understanding of thermal ecology and thermal adaptation.
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Affiliation(s)
- Alex R Gunderson
- Department of Ecology & Evolutionary Biology, Tulane University, 6823 St Charles Avenue, Lindy Boggs Building Room 400, New Orleans, LA 70118-5698, USA
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Ouled-Cheikh J, March D, Borras-Chavez R, Drago M, Goebel ME, Fariña JM, Gazo M, Coll M, Cardona L. Future climate-induced distribution shifts in a sexually dimorphic key predator of the Southern Ocean. Glob Chang Biol 2024; 30:e17191. [PMID: 38433338 DOI: 10.1111/gcb.17191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 12/20/2023] [Accepted: 12/21/2023] [Indexed: 03/05/2024]
Abstract
The response to climate change in highly dimorphic species can be hindered by differences between sexes in habitat preferences and movement patterns. The Antarctic fur seal, Arctocephalus gazella, is the most abundant pinniped in the Southern Hemisphere, and one of the main consumers of Antarctic krill, Euphausia superba, in the Southern Ocean. However, the populations breeding in the Atlantic Southern Ocean are decreasing, partly due to global warming. Male and female Antarctic fur seals differ greatly in body size and foraging ecology, and little is known about their sex-specific responses to climate change. We used satellite tracking data and Earth System Models to predict changes in habitat suitability for male and female Antarctic fur seals from the Western Antarctic Peninsula under different climate change scenarios. Under the most extreme scenario (SSP5-8.5; global average temperature +4.4°C projected by 2100), suitable habitat patches will shift southward during the non-breeding season, leading to a minor overall habitat loss. The impact will be more pronounced for females than for males. The reduction of winter foraging grounds might decrease the survival of post-weaned females, reducing recruitment and jeopardizing population viability. During the breeding season, when males fast on land, suitable foraging grounds for females off the South Shetland Islands will remain largely unmodified, and new ones will emerge in the Bellingshausen Sea. As Antarctic fur seals are income breeders, the foraging grounds of females should be reasonably close to the breeding colony. As a result, the new suitable foraging grounds will be useful for females only if nearby beaches currently covered by sea ice emerge by the end of the century. Furthermore, the colonization of these new, ice-free breeding locations might be limited by strong female philopatry. These results should be considered when managing the fisheries of Antarctic krill in the Southern Ocean.
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Affiliation(s)
- Jazel Ouled-Cheikh
- Institut de Recerca de la Biodiversitat (IRBio) and Departament de Biologia Evolutiva, Ecologia i Ciències Ambientals (BEECA), Facultat de Biologia, Universitat de Barcelona, Barcelona, Spain
- iMARES group, Departament de Recursos Marins Renovables, Institut de Ciències del Mar (ICM-CSIC), Barcelona, Spain
| | - David March
- Institut Cavanilles de Biodiversitat i Biologia Evolutiva (ICBiBE), Universitat de València, Paterna, València, Spain
- Centre for Ecology and Conservation, College of Life and Environmental Science, University of Exeter, Penryn, Cornwall, UK
| | - Renato Borras-Chavez
- Center of Applied Ecology and Sustainability (CAPES), Pontificia Universidad Católica de Chile, Santiago, Chile
- Department of Biology, Baylor University, Waco, Texas, USA
| | - Massimiliano Drago
- Institut de Recerca de la Biodiversitat (IRBio) and Departament de Biologia Evolutiva, Ecologia i Ciències Ambientals (BEECA), Facultat de Biologia, Universitat de Barcelona, Barcelona, Spain
| | - Michael E Goebel
- Institute of Marine Sciences, University of California Santa Cruz (UCSC), Santa Cruz, California, USA
- Antarctic Ecosystem Research Division, SWFSC, NMFS, NOAA, La Jolla, California, USA
| | - José M Fariña
- Center of Applied Ecology and Sustainability (CAPES), Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Manel Gazo
- Institut de Recerca de la Biodiversitat (IRBio) and Departament de Biologia Evolutiva, Ecologia i Ciències Ambientals (BEECA), Facultat de Biologia, Universitat de Barcelona, Barcelona, Spain
| | - Marta Coll
- iMARES group, Departament de Recursos Marins Renovables, Institut de Ciències del Mar (ICM-CSIC), Barcelona, Spain
- Ecopath International Initiative (EII), Barcelona, Spain
| | - Luis Cardona
- Institut de Recerca de la Biodiversitat (IRBio) and Departament de Biologia Evolutiva, Ecologia i Ciències Ambientals (BEECA), Facultat de Biologia, Universitat de Barcelona, Barcelona, Spain
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Papadimitriou N, Qu C, Harrison TA, Bever AM, Martin RM, Tsilidis KK, Newcomb PA, Thibodeau SN, Newton CC, Um CY, Obón-Santacana M, Moreno V, Brenner H, Mandic M, Chang-Claude J, Hoffmeister M, Pellatt AJ, Schoen RE, Harlid S, Ogino S, Ugai T, Buchanan DD, Lynch BM, Gruber SB, Cao Y, Hsu L, Huyghe JR, Lin Y, Steinfelder RS, Sun W, Van Guelpen B, Zaidi SH, Toland AE, Berndt SI, Huang WY, Aglago EK, Drew DA, French AJ, Georgeson P, Giannakis M, Hullar M, Nowak JA, Thomas CE, Le Marchand L, Cheng I, Gallinger S, Jenkins MA, Gunter MJ, Campbell PT, Peters U, Song M, Phipps AI, Murphy N. Body size and risk of colorectal cancer molecular defined subtypes and pathways: Mendelian randomization analyses. EBioMedicine 2024; 101:105010. [PMID: 38350331 PMCID: PMC10874711 DOI: 10.1016/j.ebiom.2024.105010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 01/25/2024] [Accepted: 01/30/2024] [Indexed: 02/15/2024] Open
Abstract
BACKGROUND Obesity has been positively associated with most molecular subtypes of colorectal cancer (CRC); however, the magnitude and the causality of these associations is uncertain. METHODS We used Mendelian randomization (MR) to examine potential causal relationships between body size traits (body mass index [BMI], waist circumference, and body fat percentage) with risks of Jass classification types and individual subtypes of CRC (microsatellite instability [MSI] status, CpG island methylator phenotype [CIMP] status, BRAF and KRAS mutations). Summary data on tumour markers were obtained from two genetic consortia (CCFR, GECCO). FINDINGS A 1-standard deviation (SD:5.1 kg/m2) increment in BMI levels was found to increase risks of Jass type 1MSI-high,CIMP-high,BRAF-mutated,KRAS-wildtype (odds ratio [OR]: 2.14, 95% confidence interval [CI]: 1.46, 3.13; p-value = 9 × 10-5) and Jass type 2non-MSI-high,CIMP-high,BRAF-mutated,KRAS-wildtype CRC (OR: 2.20, 95% CI: 1.26, 3.86; p-value = 0.005). The magnitude of these associations was stronger compared with Jass type 4non-MSI-high,CIMP-low/negative,BRAF-wildtype,KRAS-wildtype CRC (p-differences: 0.03 and 0.04, respectively). A 1-SD (SD:13.4 cm) increment in waist circumference increased risk of Jass type 3non-MSI-high,CIMP-low/negative,BRAF-wildtype,KRAS-mutated (OR 1.73, 95% CI: 1.34, 2.25; p-value = 9 × 10-5) that was stronger compared with Jass type 4 CRC (p-difference: 0.03). A higher body fat percentage (SD:8.5%) increased risk of Jass type 1 CRC (OR: 2.59, 95% CI: 1.49, 4.48; p-value = 0.001), which was greater than Jass type 4 CRC (p-difference: 0.03). INTERPRETATION Body size was more strongly linked to the serrated (Jass types 1 and 2) and alternate (Jass type 3) pathways of colorectal carcinogenesis in comparison to the traditional pathway (Jass type 4). FUNDING Cancer Research UK, National Institute for Health Research, Medical Research Council, National Institutes of Health, National Cancer Institute, American Institute for Cancer Research, Brigham and Women's Hospital, Prevent Cancer Foundation, Victorian Cancer Agency, Swedish Research Council, Swedish Cancer Society, Region Västerbotten, Knut and Alice Wallenberg Foundation, Lion's Cancer Research Foundation, Insamlingsstiftelsen, Umeå University. Full funding details are provided in acknowledgements.
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Affiliation(s)
- Nikos Papadimitriou
- Nutrition and Metabolism Branch, International Agency for Research on Cancer, Lyon, France.
| | - Conghui Qu
- Public Health Sciences Division, Fred Hutchinson Cancer Center, Seattle, WA, USA
| | - Tabitha A Harrison
- Public Health Sciences Division, Fred Hutchinson Cancer Center, Seattle, WA, USA
| | - Alaina M Bever
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA; Harvard-MIT Division of Health Sciences and Technology, Harvard Medical School, Boston, MA, USA
| | - Richard M Martin
- MRC Integrative Epidemiology Unit (IEU), Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK; Bristol Medical School, Department of Population Health Sciences, University of Bristol, Bristol, UK; National Institute for Health Research (NIHR) Bristol Biomedical Research Centre, University Hospitals Bristol and Weston NHS Foundation Trust and the University of Bristol, Bristol, UK
| | - Konstantinos K Tsilidis
- Department of Hygiene and Epidemiology, University of Ioannina School of Medicine, Ioannina, Greece; Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, UK
| | - Polly A Newcomb
- Public Health Sciences Division, Fred Hutchinson Cancer Center, Seattle, WA, USA; School of Public Health, University of Washington, Seattle, WA, USA
| | - Stephen N Thibodeau
- Division of Laboratory Genetics, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
| | - Christina C Newton
- Department of Population Science, American Cancer Society, Atlanta, GA, USA
| | - Caroline Y Um
- Department of Population Science, American Cancer Society, Atlanta, GA, USA
| | - Mireia Obón-Santacana
- Unit of Biomarkers and Suceptibility (UBS), Oncology Data Analytics Program (ODAP), Catalan Institute of Oncology (ICO), L'Hospitalet del Llobregat, Barcelona 08908, Spain; ONCOBELL Program, Bellvitge Biomedical Research Institute (IDIBELL), L'Hospitalet de Llobregat, Barcelona 08908, Spain; Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), Madrid 28029, Spain
| | - Victor Moreno
- Unit of Biomarkers and Suceptibility (UBS), Oncology Data Analytics Program (ODAP), Catalan Institute of Oncology (ICO), L'Hospitalet del Llobregat, Barcelona 08908, Spain; ONCOBELL Program, Bellvitge Biomedical Research Institute (IDIBELL), L'Hospitalet de Llobregat, Barcelona 08908, Spain; Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), Madrid 28029, Spain; Department of Clinical Sciences, Faculty of Medicine and Health Sciences and Universitat de Barcelona Institute of Complex Systems (UBICS), University of Barcelona (UB), L'Hospitalet de Llobregat, Barcelona 08908, Spain
| | - Hermann Brenner
- Division of Clinical Epidemiology and Aging Research, German Cancer Research Center (DKFZ), Heidelberg, Germany; Division of Preventive Oncology, German Cancer Research Center (DKFZ) and National Center for Tumor Diseases (NCT), Heidelberg, Germany; German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Marko Mandic
- Division of Clinical Epidemiology and Aging Research, German Cancer Research Center (DKFZ), Heidelberg, Germany; Medical Faculty Heidelberg, Heidelberg University, Heidelberg, Germany
| | - Jenny Chang-Claude
- Division of Cancer Epidemiology, German Cancer Research Center (DKFZ), Heidelberg, Germany; University Medical Centre Hamburg-Eppendorf, University Cancer Centre Hamburg (UCCH), Hamburg, Germany
| | - Michael Hoffmeister
- Division of Clinical Epidemiology and Aging Research, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Andrew J Pellatt
- Division of Cancer Medicine, MD Anderson Cancer Center, Houston, TX, USA
| | - Robert E Schoen
- Department of Medicine and Epidemiology, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Sophia Harlid
- Department of Radiation Sciences, Oncology Unit, Umeå University, Umeå, Sweden
| | - Shuji Ogino
- Program in MPE Molecular Pathological Epidemiology, Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA; Cancer Immunology Program, Dana-Farber Harvard Cancer Center, Boston, MA, USA; Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA; Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Tomotaka Ugai
- Program in MPE Molecular Pathological Epidemiology, Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA; Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Daniel D Buchanan
- Colorectal Oncogenomics Group, Department of Clinical Pathology, The University of Melbourne, Parkville, Victoria 3010, Australia; University of Melbourne Centre for Cancer Research, Victorian Comprehensive Cancer Centre, Parkville, Victoria 3010, Australia; Genetic Medicine and Family Cancer Clinic, The Royal Melbourne Hospital, Parkville, Victoria, Australia
| | - Brigid M Lynch
- Cancer Epidemiology Division, Cancer Council Victoria, Melbourne, Victoria, Australia; Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Victoria, Australia
| | - Stephen B Gruber
- Department of Medical Oncology & Therapeutics Research, City of Hope National Medical Center, Duarte, CA, USA
| | - Yin Cao
- Division of Public Health Sciences, Department of Surgery, Washington University School of Medicine, St. Louis, MO, USA; Alvin J. Siteman Cancer Center at Barnes-Jewish Hospital and Washington University School of Medicine, St. Louis, MO, USA; Division of Gastroenterology, Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Li Hsu
- Public Health Sciences Division, Fred Hutchinson Cancer Center, Seattle, WA, USA; Department of Biostatistics, University of Washington, Seattle, WA, USA
| | - Jeroen R Huyghe
- Public Health Sciences Division, Fred Hutchinson Cancer Center, Seattle, WA, USA
| | - Yi Lin
- Public Health Sciences Division, Fred Hutchinson Cancer Center, Seattle, WA, USA
| | - Robert S Steinfelder
- Public Health Sciences Division, Fred Hutchinson Cancer Center, Seattle, WA, USA
| | - Wei Sun
- Public Health Sciences Division, Fred Hutchinson Cancer Center, Seattle, WA, USA
| | - Bethany Van Guelpen
- Department of Radiation Sciences, Oncology Unit, Umeå University, Umeå, Sweden; Wallenberg Centre for Molecular Medicine, Umeå University, Umeå, Sweden
| | - Syed H Zaidi
- Ontario Institute for Cancer Research, Toronto, Ontario, Canada
| | - Amanda E Toland
- Departments of Cancer Biology and Genetics and Internal Medicine, Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA
| | - Sonja I Berndt
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Wen-Yi Huang
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Elom K Aglago
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, UK
| | - David A Drew
- Clinical and Translational Epidemiology Unit, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Amy J French
- Division of Laboratory Genetics, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
| | - Peter Georgeson
- Colorectal Oncogenomics Group, Department of Clinical Pathology, The University of Melbourne, Parkville, Victoria 3010, Australia; University of Melbourne Centre for Cancer Research, Victorian Comprehensive Cancer Centre, Parkville, Victoria 3010, Australia
| | - Marios Giannakis
- Broad Institute of MIT and Harvard, Cambridge, MA, USA; Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA; Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Meredith Hullar
- Public Health Sciences Division, Fred Hutchinson Cancer Center, Seattle, WA, USA
| | - Johnathan A Nowak
- Program in MPE Molecular Pathological Epidemiology, Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Claire E Thomas
- Public Health Sciences Division, Fred Hutchinson Cancer Center, Seattle, WA, USA
| | | | - Iona Cheng
- Department of Epidemiology and Biostatistics, University of California-San Francisco, San Francisco, CA, USA
| | - Steven Gallinger
- Lunenfeld Tanenbaum Research Institute, Mount Sinai Hospital, University of Toronto, Toronto, Ontario, Canada
| | - Mark A Jenkins
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Victoria, Australia
| | - Marc J Gunter
- Nutrition and Metabolism Branch, International Agency for Research on Cancer, Lyon, France; Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, UK
| | - Peter T Campbell
- Department of Epidemiology and Population Health, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Ulrike Peters
- Public Health Sciences Division, Fred Hutchinson Cancer Center, Seattle, WA, USA; Department of Epidemiology, University of Washington, Seattle, WA, USA
| | - Mingyang Song
- Clinical and Translational Epidemiology Unit, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA; Department of Epidemiology, Harvard T.H. Chan School of Public Health, Harvard University, Boston, MA, USA
| | - Amanda I Phipps
- Public Health Sciences Division, Fred Hutchinson Cancer Center, Seattle, WA, USA; Department of Epidemiology, University of Washington, Seattle, WA, USA
| | - Neil Murphy
- Nutrition and Metabolism Branch, International Agency for Research on Cancer, Lyon, France
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de Lima TR, Silva DAS. Muscle Strength Indexes and Its Association With Cardiometabolic Risk Factors in Adolescents: An Allometric Approach. Res Q Exerc Sport 2024; 95:289-302. [PMID: 37369134 DOI: 10.1080/02701367.2023.2197024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Accepted: 03/22/2023] [Indexed: 06/29/2023]
Abstract
Background and aims: Muscle strength (MS) has been associated with better cardiometabolic health prognosis. However, the result for the beneficial relationship seems to be dependent on the influence of body size in determining MS levels. We investigate the association between allometric MS indexes and its association with cardiometabolic risk factors in adolescents. Methods: It was a cross-sectional study comprising 351 adolescents (male: 44.4%; age range 14-19 years) from Southern Brazil. MS was assessed by handgrip strength and three different allometric approaches were adopted: 1) MS index based on theoretical allometric exponent; 2) MS index including body mass and height; 3) MS index including fat-free mass and height. Obesity, high blood pressure, dyslipidemia, glucose imbalance and high-sensitivity C-reactive protein were investigated as individual factors or as combinations (either as combinations of components - presence of two adverse conditions, or number of components present in an individual - 0, 1, 2, 3+ cardiometabolic risk factors). Logistic and multinomial logistic regression analyses adjusted for confounding factors were used. The statistical significance adopted was 5%. Results: MS index based on theoretical allometric exponent was associated with lower likelihood (OR: 0.54; 95% CI: 0.28 - 0.89) for the presence of three or more cardiometabolic risk factors in the same individual. Conclusion: This study suggests that MS index based on the theoretical allometric exponent can be superior to allometric MS indexes that included body mass and height, or fat-free mass and height in representing the presence of high number of cardiometabolic risk factors in adolescents.
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