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Amanullah A, Arzoo S, Aslam A, Qureshi IW, Hussain M. Inbreeding-Driven Innate Behavioral Changes in Drosophila melanogaster. BIOLOGY 2023; 12:926. [PMID: 37508357 PMCID: PMC10376054 DOI: 10.3390/biology12070926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 06/24/2023] [Accepted: 06/27/2023] [Indexed: 07/30/2023]
Abstract
Drosophila melanogaster has long been used to demonstrate the effect of inbreeding, particularly in relation to reproductive fitness and stress tolerance. In comparison, less attention has been given to exploring the influence of inbreeding on the innate behavior of D. melanogaster. In this study, multiple replicates of six different types of crosses were set in pair conformation of the laboratory-maintained wild-type D. melanogaster. This resulted in progeny with six different levels of inbreeding coefficients. Larvae and adult flies of varied inbreeding coefficients were subjected to different behavioral assays. In addition to the expected inbreeding depression in the-egg to-adult viability, noticeable aberrations were observed in the crawling and phototaxis behaviors of larvae. Negative geotactic behavior as well as positive phototactic behavior of the flies were also found to be adversely affected with increasing levels of inbreeding. Interestingly, positively phototactic inbred flies demonstrated improved learning compared to outbred flies, potentially the consequence of purging. Flies with higher levels of inbreeding exhibited a delay in the manifestation of aggression and courtship. In summary, our findings demonstrate that inbreeding influences the innate behaviors in D. melanogaster, which in turn may affect the overall biological fitness of the flies.
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Affiliation(s)
- Anusha Amanullah
- Bioinformatics and Molecular Medicine Research Group, Dow Fly Research Lab and Stock Center, Dow College of Biotechnology, Dow University of Health Sciences, Karachi 75330, Pakistan
| | - Shabana Arzoo
- Bioinformatics and Molecular Medicine Research Group, Dow Fly Research Lab and Stock Center, Dow College of Biotechnology, Dow University of Health Sciences, Karachi 75330, Pakistan
| | - Ayesha Aslam
- Bioinformatics and Molecular Medicine Research Group, Dow Fly Research Lab and Stock Center, Dow College of Biotechnology, Dow University of Health Sciences, Karachi 75330, Pakistan
| | - Iffat Waqar Qureshi
- Bioinformatics and Molecular Medicine Research Group, Dow Fly Research Lab and Stock Center, Dow College of Biotechnology, Dow University of Health Sciences, Karachi 75330, Pakistan
| | - Mushtaq Hussain
- Bioinformatics and Molecular Medicine Research Group, Dow Fly Research Lab and Stock Center, Dow College of Biotechnology, Dow University of Health Sciences, Karachi 75330, Pakistan
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2
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Müller T, Römer CI, Müller C. Parental sublethal insecticide exposure prolongs mating response and decreases reproductive output in offspring. J Appl Ecol 2019. [DOI: 10.1111/1365-2664.13398] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Thorben Müller
- Department of Chemical Ecology Bielefeld University Bielefeld Germany
| | - Clara Isis Römer
- Department of Chemical Ecology Bielefeld University Bielefeld Germany
| | - Caroline Müller
- Department of Chemical Ecology Bielefeld University Bielefeld Germany
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3
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Evaluating the genetic architecture of quantitative traits via selection followed by inbreeding. Heredity (Edinb) 2019; 123:407-418. [PMID: 30967644 DOI: 10.1038/s41437-019-0219-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Revised: 03/14/2019] [Accepted: 03/26/2019] [Indexed: 11/08/2022] Open
Abstract
The deleterious mutation model proposes that quantitative trait variation should be dominated by rare, partially recessive, deleterious mutations. Following artificial selection on a focal trait, the ratio of the difference in inbreeding effects between control and selected populations (ΔB), to the difference in trait means caused by directional selection (ΔM), can inform the extent to which deleterious mutations cause quantitative trait variation. Here, we apply the ΔB/ΔM ratio test to two quantitative traits (male mating success and body size) in Drosophila melanogaster. For both traits, ΔB/ΔM ratios suggested that intermediate-frequency alleles, rather than rare, partially recessive alleles (i.e. deleterious mutations), caused quantitative trait variation. We discuss these results in relation to viability data, exploring how differences between regimens in segregating (measured through inbreeding) and fixed (measured through population crosses) mutational load could affect the ratio test. Finally, we present simulations that test the statistical power of the ratio test, providing guidelines for future research.
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4
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Müller T, Lachenicht L, Müller C. Inbreeding Alters the Chemical Phenotype and Mating Behavior of a Beetle. Front Ecol Evol 2018. [DOI: 10.3389/fevo.2018.00177] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
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5
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Heterozygosity–behavior and heterozygosity–fitness correlations in a salamander with limited dispersal. POPUL ECOL 2018. [DOI: 10.1007/s10144-017-0604-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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6
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Marsh JN, Vega-Trejo R, Jennions MD, Head ML. Why does inbreeding reduce male paternity? Effects on sexually selected traits. Evolution 2017; 71:2728-2737. [PMID: 28857148 DOI: 10.1111/evo.13339] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2016] [Accepted: 08/16/2017] [Indexed: 01/17/2023]
Abstract
Mating with relatives has often been shown to negatively affect offspring fitness (inbreeding depression). There is considerable evidence for inbreeding depression due to effects on naturally selected traits, particularly those expressed early in life, but there is less evidence of it for sexually selected traits. This is surprising because sexually selected traits are expected to exhibit strong inbreeding depression. Here, we experimentally created inbred and outbred male mosquitofish (Gambusia holbrooki). Inbred males were the offspring of matings between full siblings. We then investigated how inbreeding influenced a number of sexually selected male traits, specifically: attractiveness, sperm number and velocity, as well as sperm competitiveness based on a male's share of paternity. We found no inbreeding depression for male attractiveness or sperm traits. There was, however, evidence that lower heterozygosity decreased paternity due to reduced sperm competitiveness. Our results add to the growing evidence that competitive interactions exacerbate the negative effects of the increased homozygosity that arises when there is inbreeding.
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Affiliation(s)
- Jason N Marsh
- Division of Evolution, Ecology and Genetics, Research School of Biology, The Australian National University, Canberra, ACT 2601, Australia
| | - Regina Vega-Trejo
- Division of Evolution, Ecology and Genetics, Research School of Biology, The Australian National University, Canberra, ACT 2601, Australia
| | - Michael D Jennions
- Division of Evolution, Ecology and Genetics, Research School of Biology, The Australian National University, Canberra, ACT 2601, Australia.,Wissenschaftskolleg zu Berlin, Wallotstaße 19, 14193 Berlin, Germany
| | - Megan L Head
- Division of Evolution, Ecology and Genetics, Research School of Biology, The Australian National University, Canberra, ACT 2601, Australia
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7
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de Boer RA, Eens M, Müller W. A loss of heterozygosity, a loss in competition? The effects of inbreeding, pre- and postnatal conditions on nestling development. Ecol Evol 2016; 6:7921-7930. [PMID: 30128140 PMCID: PMC6093172 DOI: 10.1002/ece3.2496] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2016] [Revised: 08/29/2016] [Accepted: 08/30/2016] [Indexed: 02/01/2023] Open
Abstract
The early developmental trajectory is affected by genetic and environmental factors that co‐depend and interact often in a complex way. In order to distinguish their respective roles, we used canaries (Serinus canaria) of different genetic backgrounds (inbred and outbred birds). An artificial size hierarchy was created to provoke within‐nest competition, manipulating postnatal conditions. To this end, inbred birds were weight‐matched with outbred birds into duos, and each nest contained one duo of size‐advantaged, and one duo of size‐disadvantaged inbred and outbred nestlings. Prenatal (maternal) effects were taken into account also, enabling us to study the separate as well as the interactive effects of inbreeding, pre‐ and postnatal conditions on nestling development. We find that postnatal conditions were the most important determinant of early growth, with size‐advantaged nestlings growing faster and obtaining larger size/body mass at fledging in comparison with size‐disadvantaged nestlings. Prenatal conditions were important too, with birds that hatched from eggs that were laid late in the laying order obtaining a larger size at fledging than those hatched from early laid eggs. Inbreeding inhibited growth, but surprisingly this did not depend on (dis)advantageous pre‐ or postnatal conditions. Our findings imply that inbred individuals lose when they are in direct competition with same‐sized outbred individuals regardless of the rearing conditions, and we thus propose that reduced competitiveness is one of the driving forces of inbreeding depression.
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Affiliation(s)
- Raïssa A de Boer
- Department of Biology Behavioural Ecology and Ecophysiology Group - University of Antwerp Wilrijk Belgium
| | - Marcel Eens
- Department of Biology Behavioural Ecology and Ecophysiology Group - University of Antwerp Wilrijk Belgium
| | - Wendt Müller
- Department of Biology Behavioural Ecology and Ecophysiology Group - University of Antwerp Wilrijk Belgium
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8
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Xie J, De Clercq P, Zhang Y, Wu H, Pan C, Pang H. Nutrition-dependent phenotypes affect sexual selection in a ladybird. Sci Rep 2015; 5:13111. [PMID: 26269214 PMCID: PMC4534764 DOI: 10.1038/srep13111] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2015] [Accepted: 07/15/2015] [Indexed: 11/23/2022] Open
Abstract
Environmental factors play a crucial role in influencing sexual selection in insects and the evolution of their mating systems. Although it has been reported that sexual selection in insects may change in response to varying environments, the reason for these changes remains poorly understood. Here, we focus on the mate selection process of a ladybird, Cryptolaemus montrouzieri, when experiencing low- and high-nutrition diet regimes both in its larval and adult stages. We found that female ladybirds preferred to mate with males reared under high-nutrition diet regimes, regardless of the nutritional conditions they experienced during their own larval stages, indicating that mate choice of female C. montrouzieri is non-random and phenotype-dependent. Such mate choice may depend on visual cues (body or genitalia size) and/or chemical cues (pheromones). Further, females from high-nutrition larval diet regimes produced more eggs than those from low-nutrition larval diet regimes. In addition, diet regimes during adulthood also exerted strong effects on egg production. In summary, our study provides new insight into the mate choice of C. montrouzieri as affected by seasonal changes in resources, and suggests that food availability may be a driving force in mate choice.
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Affiliation(s)
- Jiaqin Xie
- State Key Laboratory of Biocontrol, Key Laboratory of Biodiversity Dynamics and Conservation of Guangdong Higher Education Institute, College of Ecology and Evolution, Sun Yat-sen University, Guangzhou 510275, China.,Department of Crop Protection, Faculty of Bioscience Engineering, Ghent University, Gent 9000, Belgium
| | - Patrick De Clercq
- Department of Crop Protection, Faculty of Bioscience Engineering, Ghent University, Gent 9000, Belgium
| | - Yuhong Zhang
- Guangdong Entomological Institute, Guangzhou 510260, China
| | - Hongsheng Wu
- Guangdong Entomological Institute, Guangzhou 510260, China
| | - Chang Pan
- State Key Laboratory of Biocontrol, Key Laboratory of Biodiversity Dynamics and Conservation of Guangdong Higher Education Institute, College of Ecology and Evolution, Sun Yat-sen University, Guangzhou 510275, China
| | - Hong Pang
- State Key Laboratory of Biocontrol, Key Laboratory of Biodiversity Dynamics and Conservation of Guangdong Higher Education Institute, College of Ecology and Evolution, Sun Yat-sen University, Guangzhou 510275, China
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Losdat S, Arcese P, Reid JM. Double decomposition: decomposing the variance in subcomponents of male extra-pair reproductive success. J Anim Ecol 2015; 84:1384-95. [DOI: 10.1111/1365-2656.12389] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2014] [Accepted: 05/06/2015] [Indexed: 01/09/2023]
Affiliation(s)
- Sylvain Losdat
- Institute of Biological and Environmental Sciences; School of Biological Sciences; Zoology Building; University of Aberdeen; Tillydrone Avenue Aberdeen AB24 2TZ UK
| | - Peter Arcese
- Department of Forest and Conservation Sciences; University of British Columbia; 2424 Main Mall Vancouver BC V6T 1Z4 Canada
| | - Jane M. Reid
- Institute of Biological and Environmental Sciences; School of Biological Sciences; Zoology Building; University of Aberdeen; Tillydrone Avenue Aberdeen AB24 2TZ UK
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de Boer RA, Eens M, Fransen E, Müller W. Hatching asynchrony aggravates inbreeding depression in a songbird (Serinus canaria): an inbreeding-environment interaction. Evolution 2015; 69:1063-8. [PMID: 25689753 DOI: 10.1111/evo.12625] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2014] [Accepted: 02/06/2015] [Indexed: 02/01/2023]
Abstract
Understanding how the intensity of inbreeding depression is influenced by stressful environmental conditions is an important area of enquiry in various fields of biology. In birds, environmental stress during early development is often related to hatching asynchrony; differences in age, and thus size, impose a gradient in conditions ranging from benign (first hatched chick) to harsh (last hatched chick). Here, we compared the effect of hatching order on growth rate in inbred (parents are full siblings) and outbred (parents are unrelated) canary chicks (Serinus canaria). We found that inbreeding depression was more severe under more stressful conditions, being most evident in later hatched chicks. Thus, consideration of inbreeding-environment interactions is of vital importance for our understanding of the biological significance of inbreeding depression and hatching asynchrony. The latter is particularly relevant given that hatching asynchrony is a widespread phenomenon, occurring in many bird species. The exact causes of the observed inbreeding-environment interaction are as yet unknown, but may be related to a decrease in maternal investment in egg contents with laying position (i.e. prehatching environment), or to performance of the chicks during sibling competition and/or their resilience to food shortage (i.e. posthatching environment).
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Affiliation(s)
- Raïssa A de Boer
- Department of Biology-Ethology, University of Antwerp, Universiteitsplein 1-Campus Drie Eiken C1.25, B-2610, Wilrijk, Belgium.
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Ala-Honkola O, Laine L, Pekkala N, Kotiaho JS, Honkola T, Puurtinen M. Males Benefit from Mating with Outbred Females inDrosophila littoralis: Male Choice for Female Genetic Quality? Ethology 2015. [DOI: 10.1111/eth.12369] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Outi Ala-Honkola
- University of Jyvaskyla; Department of Biological and Environmental Science; P.O. Box 35 FI-40014 University of Jyvaskyla Finland
| | - Lily Laine
- University of Jyvaskyla; Department of Biological and Environmental Science; P.O. Box 35 FI-40014 University of Jyvaskyla Finland
| | - Nina Pekkala
- University of Jyvaskyla; Department of Biological and Environmental Science; P.O. Box 35 FI-40014 University of Jyvaskyla Finland
| | - Janne S. Kotiaho
- University of Jyvaskyla; Department of Biological and Environmental Science; P.O. Box 35 FI-40014 University of Jyvaskyla Finland
| | - Terhi Honkola
- Department of Biology; University of Turku; Turku Finland
| | - Mikael Puurtinen
- University of Jyvaskyla; Department of Biological and Environmental Science; P.O. Box 35 FI-40014 University of Jyvaskyla Finland
- University of Jyvaskyla; Centre of Excellence in Biological Interactions; P.O. Box 35 FI-40014 University of Jyvaskyla Finland
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