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Robledo-Avila LA, Phillips-Farfán BV, García-Bucio IY, Montes-Sánchez S, Herrera-Vargas MA, Contreras-Garduño J, Núñez-Anita RE, Martínez-Lendech N, Meléndez-Herrera E. Incubation in shaded hatcheries biases sex-determination but preserves Lepidochelys olivacea hatchling physiology. MARINE ENVIRONMENTAL RESEARCH 2023; 192:106244. [PMID: 37924794 DOI: 10.1016/j.marenvres.2023.106244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 09/29/2023] [Accepted: 10/24/2023] [Indexed: 11/06/2023]
Abstract
Some studies have associated ex situ conservation with cerebral and gonadal developmental delay, as well as decreased motor performance in Lepidochelys olivacea offspring. Ex situ management is also related to a more mature spleen and a differential leukocyte count in newly emerged Lepidochelys olivacea hatchlings. The physiological relevance of a more mature spleen is unknown in sea turtles, but studies in birds suggest an increased immune response. Because egg relocation to hatcheries is a common conservation practice, it is imperative to know its impact on hatchling physiology. Herein, plasma activity of superoxide dismutase, alkaline phosphatase and the alternative complement pathway, as well as total antioxidant capacity and hydrogen peroxide concentrations were quantified in hatchlings from in situ and ex situ nests under basal conditions at nest emergence. Toll-like receptor 4 (tlr4), heat shock proteins (hsp) 70 and hsp90 expression were quantified in the spleen and liver of the hatchlings. Hepatocyte density and nuclear area were quantified in histological sections of the liver and all turtles were sexed by histological sectioning of the gonads. Total antioxidant capacity and hydrogen peroxide concentrations in plasma were lower in turtles from ex situ nests, while tlr4 and hsp70 mRNA expression was higher in the spleen but not in the liver. Ex situ incubation produced 98% male hatchlings, whereas in situ incubation produced 100% females. There were no other differences in the attributes sampled between hatchlings emerging from ex situ and in situ treatments. The results suggest that ex situ relocated turtles may be less prone to oxidative stress than in situ incubated hatchlings and could have more mature splenic function. Together, the data suggest that ex situ relocation to shaded hatcheries biased sex determination but preserved the general physiological condition of sea turtle hatchlings.
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Affiliation(s)
- Liliana Areli Robledo-Avila
- Instituto de Investigaciones sobre Recursos Naturales, Universidad Michoacana de San Nicolás de Hidalgo, Av. San Juanito Itzícuaro s/n, Colonia Nueva Esperanza, C.P. 58337, Morelia, Michoacán, Mexico.
| | - Bryan Víctor Phillips-Farfán
- Laboratorio de Nutrición Experimental, Instituto Nacional de Pediatría, Insurgentes Sur 3700, Letra C, Alcaldía Coyoacán, C.P. 04530, Cd. de México, Mexico.
| | - Irma Yunuen García-Bucio
- Instituto de Investigaciones sobre Recursos Naturales, Universidad Michoacana de San Nicolás de Hidalgo, Av. San Juanito Itzícuaro s/n, Colonia Nueva Esperanza, C.P. 58337, Morelia, Michoacán, Mexico.
| | - Shannen Montes-Sánchez
- Instituto de Investigaciones sobre Recursos Naturales, Universidad Michoacana de San Nicolás de Hidalgo, Av. San Juanito Itzícuaro s/n, Colonia Nueva Esperanza, C.P. 58337, Morelia, Michoacán, Mexico.
| | - Ma Antonia Herrera-Vargas
- Instituto de Investigaciones sobre Recursos Naturales, Universidad Michoacana de San Nicolás de Hidalgo, Av. San Juanito Itzícuaro s/n, Colonia Nueva Esperanza, C.P. 58337, Morelia, Michoacán, Mexico.
| | - Jorge Contreras-Garduño
- Escuela Nacional de Estudios Superiores, Unidad Morelia, Universidad Nacional Autónoma de México, Antigua Carretera a Pátzcuaro 8701, Ex-Hacienda de San José de la Huerta, 58190, Morelia, Michoacán, Mexico.
| | - Rosa Elvira Núñez-Anita
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Michoacana de San Nicolás de Hidalgo, 58130, Morelia, Michoacán, Mexico.
| | - Norma Martínez-Lendech
- Escuela Nacional de Estudios Superiores, Unidad Morelia, Universidad Nacional Autónoma de México, Antigua Carretera a Pátzcuaro 8701, Ex-Hacienda de San José de la Huerta, 58190, Morelia, Michoacán, Mexico.
| | - Esperanza Meléndez-Herrera
- Instituto de Investigaciones sobre Recursos Naturales, Universidad Michoacana de San Nicolás de Hidalgo, Av. San Juanito Itzícuaro s/n, Colonia Nueva Esperanza, C.P. 58337, Morelia, Michoacán, Mexico.
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2
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Dias VS, Cáceres C, Parker AG, Pereira R, Demirbas-Uzel G, Abd-Alla AMM, Teets NM, Schetelig MF, Handler AM, Hahn DA. Mitochondrial superoxide dismutase overexpression and low oxygen conditioning hormesis improve the performance of irradiated sterile males. Sci Rep 2021; 11:20182. [PMID: 34642368 PMCID: PMC8511041 DOI: 10.1038/s41598-021-99594-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 09/29/2021] [Indexed: 11/11/2022] Open
Abstract
The Sterile Insect Technique (SIT) is a successful autocidal control method that uses ionizing radiation to sterilize insects. However, irradiation in normal atmospheric conditions can be damaging for males, because irradiation generates substantial biological oxidative stress that, combined with domestication and mass-rearing conditions, may reduce sterile male sexual competitiveness and quality. In this study, biological oxidative stress and antioxidant capacity were experimentally manipulated in Anastrepha suspensa using a combination of low-oxygen conditions and transgenic overexpression of mitochondrial superoxide dismutase (SOD2) to evaluate their role in the sexual behavior and quality of irradiated males. Our results showed that SOD2 overexpression enhances irradiated insect quality and improves male competitiveness in leks. However, the improvements in mating performance were modest, as normoxia-irradiated SOD2 males exhibited only a 22% improvement in mating success compared to normoxia-irradiated wild type males. Additionally, SOD2 overexpression did not synergistically improve the mating success of males irradiated in either hypoxia or severe hypoxia. Short-term hypoxic and severe-hypoxic conditioning hormesis, per se, increased antioxidant capacity and enhanced sexual competitiveness of irradiated males relative to non-irradiated males in leks. Our study provides valuable new information that antioxidant enzymes, particularly SOD2, have potential to improve the quality and lekking performance of sterile males used in SIT programs.
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Affiliation(s)
- Vanessa S Dias
- Insect Pest Control Subprogramme, Joint Food and Agriculture Organization (FAO)/International Atomic Energy Agency (IAEA) Centre of Nuclear Techniques in Food and Agriculture, 1400, Vienna, Austria.
- Department of Entomology and Nematology, University of Florida, Gainesville, 32611, USA.
| | - Carlos Cáceres
- Insect Pest Control Subprogramme, Joint Food and Agriculture Organization (FAO)/International Atomic Energy Agency (IAEA) Centre of Nuclear Techniques in Food and Agriculture, 1400, Vienna, Austria
| | - Andrew G Parker
- Insect Pest Control Subprogramme, Joint Food and Agriculture Organization (FAO)/International Atomic Energy Agency (IAEA) Centre of Nuclear Techniques in Food and Agriculture, 1400, Vienna, Austria
| | - Rui Pereira
- Insect Pest Control Subprogramme, Joint Food and Agriculture Organization (FAO)/International Atomic Energy Agency (IAEA) Centre of Nuclear Techniques in Food and Agriculture, 1400, Vienna, Austria
| | - Güler Demirbas-Uzel
- Insect Pest Control Subprogramme, Joint Food and Agriculture Organization (FAO)/International Atomic Energy Agency (IAEA) Centre of Nuclear Techniques in Food and Agriculture, 1400, Vienna, Austria
| | - Adly M M Abd-Alla
- Insect Pest Control Subprogramme, Joint Food and Agriculture Organization (FAO)/International Atomic Energy Agency (IAEA) Centre of Nuclear Techniques in Food and Agriculture, 1400, Vienna, Austria
| | - Nicholas M Teets
- Department of Entomology and Nematology, University of Florida, Gainesville, 32611, USA
- Department of Entomology, University of Kentucky, Lexington, 40546, USA
| | - Marc F Schetelig
- Department of Insect Biotechnology in Plant Protection, Justus-Liebig-University Gießen, 35394, Gießen, Germany
| | - Alfred M Handler
- Center for Medical, Agricultural and Veterinary Entomology, USDA/ARS, Gainesville, 32608, USA
| | - Daniel A Hahn
- Department of Entomology and Nematology, University of Florida, Gainesville, 32611, USA
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Oxidative stress and the differential expression of traits associated with mating effort in humans. EVOL HUM BEHAV 2021. [DOI: 10.1016/j.evolhumbehav.2021.02.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Grether GF. Exciting discoveries in animal signalling and sexual dichromatism. Funct Ecol 2021. [DOI: 10.1111/1365-2435.13854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Gregory F. Grether
- Department of Ecology & Evolutionary Biology University of California, Los Angeles Los Angeles CA USA
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5
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Pintus E, Ros-Santaella JL. Impact of Oxidative Stress on Male Reproduction in Domestic and Wild Animals. Antioxidants (Basel) 2021; 10:antiox10071154. [PMID: 34356386 PMCID: PMC8301082 DOI: 10.3390/antiox10071154] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 06/27/2021] [Accepted: 07/16/2021] [Indexed: 01/02/2023] Open
Abstract
Oxidative stress occurs when the levels of reactive oxygen species (ROS) overcome the antioxidant defenses of the organism, jeopardizing several biological functions, including reproduction. In the male reproductive system, oxidative stress not only impairs sperm fertility but also compromises offspring health and survival, inducing oxidative damage to lipids, proteins and nucleic acids. Although a clear link between oxidative stress and male fertility disorders has been demonstrated in humans and laboratory rodents, little information is available about the implications of impaired redox homeostasis in the male fertility of domestic and wild animals. Therefore, this review aims to provide an update regarding the intrinsic and extrinsic factors that are associated with oxidative stress in the male reproductive system and their impact on the reproductive performance of domestic and wild animals. The most recent strategies for palliating the detrimental effects of oxidative stress on male fertility are reviewed together with their potential economic and ecological implications in the livestock industry and biodiversity conservation.
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G‐Santoyo I, González‐Tokman D, Tapia‐Rodríguez M, Córdoba‐Aguilar A. What doesn't kill you makes you stronger: Detoxification ability as a mechanism of honesty in a sexually selected signal. Funct Ecol 2021. [DOI: 10.1111/1365-2435.13798] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Affiliation(s)
- Isaac G‐Santoyo
- Neuroecology Lab Facultad de Psicología Universidad Nacional Autónoma de MéxicoCiudad Universitaria Ciudad de México México
| | | | - Miguel Tapia‐Rodríguez
- Unidad de MicroscopíaInstituto de Investigaciones BiomédicasUniversidad Nacional Autónoma de MéxicoCiudad Universitaria Ciudad de México México
| | - Alex Córdoba‐Aguilar
- Instituto de Ecología Universidad Nacional Autónoma de MéxicoCiudad Universitaria Ciudad de México México
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Ruiz‐Guzmán G, Cordero‐Molina S, Krams I, Contreras‐Garduño J. Interactions between oxidative stress and attractiveness to mates and individual mate choice in the beetle
Tenebrio molitor. Ethology 2020. [DOI: 10.1111/eth.13108] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Gloria Ruiz‐Guzmán
- Laboratorio de Ecología Evolutiva Escuela Nacional de Estudios Superiores Universidad Nacional Autónoma de México Ciudad de México México
| | - Sagrario Cordero‐Molina
- Laboratorio de Ecología Evolutiva Escuela Nacional de Estudios Superiores Universidad Nacional Autónoma de México Ciudad de México México
| | - Indrikis Krams
- Institute of Ecology and Earth Sciences University of Tartu Tartu Estonia
- Department of Zoology and Animal Ecology Faculty of Biology University of Latvia Rīga Latvia
- Latvian Biomedical Research and Study Centre Rīga Latvia
| | - Jorge Contreras‐Garduño
- Laboratorio de Ecología Evolutiva Escuela Nacional de Estudios Superiores Universidad Nacional Autónoma de México Ciudad de México México
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8
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Juárez-Hernández E, Villalobos-Jiménez G, Gutierrez-Corona JF, Krams I, González-Soriano E, Contreras-Garduño J. Hidden Costs in the Physiology of Argia anceps (Zigoptera: Coenagrionidae) due to Pollution. NEOTROPICAL ENTOMOLOGY 2020; 49:227-233. [PMID: 31849022 DOI: 10.1007/s13744-019-00737-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Accepted: 11/04/2019] [Indexed: 06/10/2023]
Abstract
Before a population becomes extinct, there are hidden costs in the physiology at the individual level that provide valuable insights into their condition. Here, we study two dams with one species in common (Argia anceps Garrison, 1996) to evaluate whether their physiological condition differed (total protein quantity, prophenoloxidase (proPO) and phenoloxidase (PO) activity, and protein carbonylation) during two consecutive years. The first dam, "El Gallinero" (contaminated, C), contains organic input from mines and agricultural activity, whereas the second, "Paso de Vaqueros" (non-contaminated, NC), is part of a biosphere reserve. Although at a phenological level, some physiological differences were observed (2012 vs 2013), individuals from the contaminated population had less total protein (2012, median = 1.815 μg/μL; 2013, 0.081 μg/μL) and more carbonylations in their proteins (2012, median = 19.00 nmol/mg; 2013, median = 121.69 nmol/mg) compared with the non-contaminated population (protein quantity in 2012, median = 3.716 μg/μL; 2013, median = 0.054 μg/μL; protein carbonylations in 2012, median = 0.00 nmol/mg; 2013, median = 99.44 nmol/mg). However, no significant differences were found in prophenoloxidase (C, median = 0.002 Vmax; NC, median = 0.002 Vmax) and phenoloxidase activity (C, median = 0.002 Vmax; NC, median = 0.001 Vmax). In addition, the biological oxygen demand (BOD) and Zn were more elevated in the C than NC population (C, BOD = 11.7, Zn = 0.17; NC, BOD = 8, Zn = 0.14). The results show that the impact of human activity can be observed not only through the extinction of species, but also at the physiological level of the individuals composing the populations through the evaluation of biomolecular damage, which can be observed at a much shorter scale compared with species extinction.
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Affiliation(s)
- E Juárez-Hernández
- Depto de Biología, División de Ciencias Naturales y Exactas, Univ de Guanajuato, Guanajuato, Mexico
| | | | - J F Gutierrez-Corona
- Depto de Biología, División de Ciencias Naturales y Exactas, Univ de Guanajuato, Guanajuato, Mexico
| | - I Krams
- Institute of Ecology and Earth Sciences, Univ of Tartu, Tartu, Estonia
- Dept of Zoology and Animal Ecology, Univ of Latvia, Riga, Latvia
| | | | - J Contreras-Garduño
- ENES, unidad Morelia, UNAM, Antigua Carretera a Pátzcuaro No.8701. Col. Ex-Hacienda San José de la Huerta Código, 58190, Morelia, Mexico.
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Aromaa S, Ilvonen JJ, Suhonen J. Body mass and territorial defence strategy affect the territory size of odonate species. Proc Biol Sci 2019; 286:20192398. [PMID: 31847780 DOI: 10.1098/rspb.2019.2398] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
The territory is a distinct mating place that a male defends against intruding conspecific males. The size of a territory varies between species and most of the variation between species has been found to scale allometrically with body mass. The variation that could not be explained by body mass has been explained with several variables such as habitat productivity, trophic level, locomotion strategy and thermoregulation. All previous interspecific comparative studies have been done on vertebrate species such as birds, mammals, reptiles and fishes, meaning that studies using invertebrate species are missing. Here, we studied the relationship of a species's territory size with its fresh body mass (FBM) in addition to other ecologically relevant traits using 86 damselfly and dragonfly (Odonata) species. We found that territory size is strongly affected by species FBM, following an allometric relationship similar to vertebrates. We also found that the territory size of a species was affected by its territorial defence strategy, constantly flying species having larger territories than species that mostly perch. Breeding habitat or the presence of sexual characters did not affect territory sizes, but lotic species and species without wing spots had steeper allometric slopes. It seems that an increase in a species's body mass increases its territory size and may force the species to shift its territory defence strategy from a percher to a flier.
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Affiliation(s)
- Suvi Aromaa
- Department of Biology, University of Turku, FI-20014 Turku, Finland
| | - Jaakko J Ilvonen
- Department of Biology, University of Turku, FI-20014 Turku, Finland
| | - Jukka Suhonen
- Department of Biology, University of Turku, FI-20014 Turku, Finland
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Martínez-Lendech N, Osorio-Beristain M, Franco B, Pedraza-Reyes M, Obregón A, Contreras-Garduño J. Does juvenile hormone prompt oxidative stress in male damselflies? ACTA ACUST UNITED AC 2019; 222:jeb.194530. [PMID: 30718372 DOI: 10.1242/jeb.194530] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Accepted: 01/29/2019] [Indexed: 12/28/2022]
Abstract
In invertebrates, it has recently been reported that secondary sexual characteristics (SSCs) reflect the antioxidant defense of their bearers, but it is not known what physiological link maintains the honesty of those signals. Here, we used the damselfly Hetaerina americana to test whether juvenile hormone plays such a role. First, we analyzed whether oxidative damage is a real threat in natural damselfly populations by examining the accumulation of oxidized guanines as a function of age in males. Then, we injected paraquat (a pro-oxidant agent) and added the juvenile hormone analog methoprene (JHa) to the experimental group and the JHa vehicle (acetone) to the control group, to determine whether JHa increases the levels of pro-oxidants and antioxidants. We found that DNA oxidation increased with age, and that levels of hydrogen peroxide and superoxide dismutase, but not catalase or glutathione, were elevated in the JHa group compared with the control group. We propose that juvenile hormone is a mediator of the relationship between SSCs and antioxidant capacity and, based on the literature, we know that JHa suppresses the immune response. We therefore suggest that juvenile hormone is a molecular mediator of the general health of males, which is reflected in their SSCs.
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Affiliation(s)
- Norma Martínez-Lendech
- Centro de Investigación en Biodiversidad y Conservación, Universidad Autónoma del Estado de Morelos Avenida Universidad 1001, Chamilpa, 62209 Cuernavaca, Morelos, Mexico
| | - Marcela Osorio-Beristain
- Centro de Investigación en Biodiversidad y Conservación, Universidad Autónoma del Estado de Morelos Avenida Universidad 1001, Chamilpa, 62209 Cuernavaca, Morelos, Mexico
| | - Bernardo Franco
- Division de Ciencias Naturales y Exacatas, Departamento de Biología, Universidad de Guanajuato, Lascuráin de Retana 5, Col. Centro C.P. 36000 Guanajuato, Guanajuato, Mexico
| | - Mario Pedraza-Reyes
- Division de Ciencias Naturales y Exacatas, Departamento de Biología, Universidad de Guanajuato, Lascuráin de Retana 5, Col. Centro C.P. 36000 Guanajuato, Guanajuato, Mexico
| | - Armando Obregón
- Division de Ciencias Naturales y Exacatas, Departamento de Biología, Universidad de Guanajuato, Lascuráin de Retana 5, Col. Centro C.P. 36000 Guanajuato, Guanajuato, Mexico
| | - Jorge Contreras-Garduño
- Escuela Nacional de Estudios Superiores, Unidad Morelia, UNAM, Antigua Carretera a Pátzcuaro 8701, Ex-Hacienda de San José de La Huerta, 58190 Morelia, Michoacán, Mexico
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