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Groot AT, Blankers T, Halfwerk W, Burdfield Steel E. The Evolutionary Importance of Intraspecific Variation in Sexual Communication Across Sensory Modalities. ANNUAL REVIEW OF ENTOMOLOGY 2024; 69:21-40. [PMID: 37562048 DOI: 10.1146/annurev-ento-030223-111608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/12/2023]
Abstract
The evolution of sexual communication is critically important in the diversity of arthropods, which are declining at a fast pace worldwide. Their environments are rapidly changing, with increasing chemical, acoustic, and light pollution. To predict how arthropod species will respond to changing climates, habitats, and communities, we need to understand how sexual communication systems can evolve. In the past decades, intraspecific variation in sexual signals and responses across different modalities has been identified, but never in a comparative way. In this review, we identify and compare the level and extent of intraspecific variation in sexual signals and responses across three different modalities, chemical, acoustic, and visual, focusing mostly on insects. By comparing causes and possible consequences of intraspecific variation in sexual communication among these modalities, we identify shared and unique patterns, as well as knowledge needed to predict the evolution of sexual communication systems in arthropods in a changing world.
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Affiliation(s)
- Astrid T Groot
- Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Netherlands; , ,
| | - Thomas Blankers
- Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Netherlands; , ,
| | - Wouter Halfwerk
- Amsterdam Institute for Life and Environment (A-LIFE), VU Amsterdam, Netherlands;
| | - Emily Burdfield Steel
- Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Netherlands; , ,
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Pascal FJM, Vega A, Akopyan M, Hoke KL, Robertson JM. Sexual signal evolution and patterns of assortative mating across an intraspecific contact zone. J Evol Biol 2023; 36:1077-1089. [PMID: 37306282 DOI: 10.1111/jeb.14186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 03/10/2023] [Accepted: 04/04/2023] [Indexed: 06/13/2023]
Abstract
Contact zones provide important insights into the evolutionary processes that underlie lineage divergence and speciation. Here, we use a contact zone to ascertain speciation potential in the red-eyed treefrog (Agalychnis callidryas), a brightly coloured and polymorphic frog that exhibits unusually high levels of intraspecific variation. Populations of A. callidryas differ in a number of traits, several of which are known sexual signals that mediate premating reproductive isolation in allopatric populations. Along the Caribbean coast of Costa Rica, a ~100 km contact zone, situated between two phenotypically and genetically divergent parent populations, contains multiple colour pattern phenotypes and late-generation hybrids. This contact zone provides the opportunity to examine processes that are important in the earliest stages of lineage divergence. We performed analyses of colour pattern variation in five contact zone sites and six parental sites and found complex, continuous colour variation along the contact zone. We found discordance between the geographic distribution of colour pattern and previously described genomic population structure. We then used a parental site and contact zone site to measure assortative mating and directional selection from naturally-occurring amplectant mating pairs. We found assortative mating in a parental population, but no assortative mating in the contact zone. Furthermore, we uncovered evidence of directional preference towards the adjacent parental phenotype in the contact zone population, but no directional preference in the parent population. Combined, these data provide insights into potential dynamics at the contact zone borders and indicate that incipient speciation between parent populations will be slowed.
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Affiliation(s)
- Florine J M Pascal
- Department of Biology, California State University, Northridge, Northridge, California, USA
| | | | - Maria Akopyan
- Department of Biology, California State University, Northridge, Northridge, California, USA
- Department of Ecology and Evolutionary Biology, Cornell University, New York, New York, USA
| | - Kim L Hoke
- Department of Biology, Colorado State University, Fort Collins, Colorado, USA
| | - Jeanne M Robertson
- Department of Biology, California State University, Northridge, Northridge, California, USA
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Kataoka K, Togawa Y, Sanno R, Asahi T, Yura K. Dissecting cricket genomes for the advancement of entomology and entomophagy. Biophys Rev 2022; 14:75-97. [PMID: 35340598 PMCID: PMC8921346 DOI: 10.1007/s12551-021-00924-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 11/30/2021] [Indexed: 12/13/2022] Open
Abstract
Significant advances in biophysical methods such as next-generation sequencing technologies have now opened the way to conduct evolutionary and applied research based on the genomic information of greatly diverse insects. Crickets belonging to Orthoptera (Insecta: Polyneoptera), one of the most flourishing groups of insects, have contributed to the development of multiple scientific fields including developmental biology and neuroscience and have been attractive targets in evolutionary ecology for their diverse ecological niches. In addition, crickets have recently gained recognition as food and feed. However, the genomic information underlying their biological basis and application research toward breeding is currently underrepresented. In this review, we summarize the progress of genomics of crickets. First, we outline the phylogenetic position of crickets in insects and then introduce recent studies on cricket genomics and transcriptomics in a variety of fields. Furthermore, we present findings from our analysis of polyneopteran genomes, with a particular focus on their large genome sizes, chromosome number, and repetitive sequences. Finally, how the cricket genome can be beneficial to the food industry is discussed. This review is expected to enhance greater recognition of how important the cricket genomes are to the multiple biological fields and how basic research based on cricket genome information can contribute to tackling global food security.
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Affiliation(s)
- Kosuke Kataoka
- Comprehensive Research Organization, Waseda University, Tokyo, Japan
| | - Yuki Togawa
- School of Advanced Science and Engineering, Waseda University, Tokyo, Japan
| | - Ryuto Sanno
- Graduate School of Advanced Science and Engineering, Waseda University, Tokyo, Japan
| | - Toru Asahi
- Comprehensive Research Organization, Waseda University, Tokyo, Japan
- School of Advanced Science and Engineering, Waseda University, Tokyo, Japan
- Graduate School of Advanced Science and Engineering, Waseda University, Tokyo, Japan
- Institute for Advanced Research of Biosystem Dynamics, Waseda Research Institute for Science and Engineering, Waseda University, Tokyo, Japan
- Research Organization for Nano & Life Innovation, Waseda University, Tokyo, Japan
| | - Kei Yura
- School of Advanced Science and Engineering, Waseda University, Tokyo, Japan
- Graduate School of Advanced Science and Engineering, Waseda University, Tokyo, Japan
- Research Organization for Nano & Life Innovation, Waseda University, Tokyo, Japan
- Computational Bio Big-Data Open Innovation Laboratory (CBBD-OIL), National Institute of Advanced Industrial Science and Technology, Tokyo, Japan
- Graduate School of Humanities and Sciences, Ochanomizu University, Tokyo, Japan
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Brekke TD, Supriya S, Denver MG, Thom A, Steele KA, Mulley JF. A high-density genetic map and molecular sex-typing assay for gerbils. Mamm Genome 2019; 30:63-70. [PMID: 30972478 PMCID: PMC6491409 DOI: 10.1007/s00335-019-09799-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Accepted: 03/29/2019] [Indexed: 11/12/2022]
Abstract
We constructed a high-density genetic map for Mongolian gerbils (Meriones unguiculatus). We genotyped 137 F2 individuals with a genotype-by-sequencing (GBS) approach at over 10,000 loci and built the genetic map using a two-step approach. First, we chose the highest-quality set of 485 markers to construct a robust map of 1239 cM with 22 linkage groups as expected from the published karyotype. Second, we added an additional 5449 markers onto the map based on their genotype similarity with the original markers. We used the final marker set to assemble 1140 genomic scaffolds (containing ~ 20% of annotated genes) into a chromosome-level assembly. We used both genetic linkage and relative sequencing coverage in males and females to identify X- and Y-chromosome scaffolds and from these we designed a robust and internally-controlled PCR assay to determine sex. This assay will facilitate early stage sex-typing of embryonic and young gerbils which is difficult using current visual methods. Accession ID: Meriones unguiculatus: 10047.
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Affiliation(s)
- Thomas D Brekke
- School of Natural Sciences, Bangor University, Bangor, Gwynedd, LL57 2DG, UK
| | - Sushmita Supriya
- School of Natural Sciences, Bangor University, Bangor, Gwynedd, LL57 2DG, UK
| | - Megan G Denver
- School of Natural Sciences, Bangor University, Bangor, Gwynedd, LL57 2DG, UK
| | - Angharad Thom
- School of Natural Sciences, Bangor University, Bangor, Gwynedd, LL57 2DG, UK
| | - Katherine A Steele
- School of Natural Sciences, Bangor University, Bangor, Gwynedd, LL57 2DG, UK
| | - John F Mulley
- School of Natural Sciences, Bangor University, Bangor, Gwynedd, LL57 2DG, UK.
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