1
|
Fezza TJ, Siderhurst MS, Jang EB, Stacy EA, Price DK. Phenotypic disruption of cuticular hydrocarbon production in hybrids between sympatric species of Hawaiian picture-wing Drosophila. Sci Rep 2022; 12:4865. [PMID: 35318342 PMCID: PMC8941103 DOI: 10.1038/s41598-022-08635-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Accepted: 03/10/2022] [Indexed: 12/12/2022] Open
Abstract
Interspecies hybrids can express phenotypic traits far outside the range of parental species. The atypical traits of hybrids provide insight into differences in the factors that regulate the expression of these traits in the parental species. In some cases, the unusual phenotypic traits of hybrids can lead to phenotypic dysfunction with hybrids experiencing reduced survival or reproduction. Cuticular hydrocarbons (CHCs) in insects are important phenotypic traits that serve several functions, including desiccation resistance and pheromones for mating. We used gas chromatography mass spectrometry to investigate the differences in CHC production between two closely related sympatric Hawaiian picture-wing Drosophila species, Drosophila heteroneura and D. silvestris, and their F1 and backcross hybrid offspring. CHC profiles differed between males of the two species, with substantial sexual dimorphism in D. silvestris but limited sexual dimorphism in D. heteroneura. Surprisingly, F1 hybrids did not produce three CHCs, and the abundances of several other CHCs occurred outside the ranges present in the two parental species. Backcross hybrids produced all CHCs with greater variation than observed in F1 or parental species. Overall, these results suggest that the production of CHCs was disrupted in F1 and backcross hybrids, which may have important consequences for their survival or reproduction.
Collapse
Affiliation(s)
- Thomas J Fezza
- Tropical Conservation Biology and Environmental Sciences, University of Hawaii at Hilo, 200 West Kawili St., Hilo, HI, 96720, USA
| | - Matthew S Siderhurst
- Department of Chemistry, Eastern Mennonite University, 1200 Park Rd, Harrisonburg, VA, 22802, USA
| | - Eric B Jang
- Tropical Crop and Commodity Protection Research, D.K.I, U.S. Pacific Basin Agricultural Research Center, Agricultural Research Service, United States Department of Agriculture, 64 Nowelo Street, Hilo, HI, 96720, USA
| | - Elizabeth A Stacy
- Tropical Conservation Biology and Environmental Sciences, University of Hawaii at Hilo, 200 West Kawili St., Hilo, HI, 96720, USA.,School of Life Sciences, University of Nevada, Las Vegas, USA
| | - Donald K Price
- Tropical Conservation Biology and Environmental Sciences, University of Hawaii at Hilo, 200 West Kawili St., Hilo, HI, 96720, USA. .,School of Life Sciences, University of Nevada, Las Vegas, USA.
| |
Collapse
|
2
|
Suvorov A, Kim BY, Wang J, Armstrong EE, Peede D, D'Agostino ERR, Price DK, Waddell P, Lang M, Courtier-Orgogozo V, David JR, Petrov D, Matute DR, Schrider DR, Comeault AA. Widespread introgression across a phylogeny of 155 Drosophila genomes. Curr Biol 2022; 32:111-123.e5. [PMID: 34788634 PMCID: PMC8752469 DOI: 10.1016/j.cub.2021.10.052] [Citation(s) in RCA: 95] [Impact Index Per Article: 47.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 09/29/2021] [Accepted: 10/22/2021] [Indexed: 01/12/2023]
Abstract
Genome-scale sequence data have invigorated the study of hybridization and introgression, particularly in animals. However, outside of a few notable cases, we lack systematic tests for introgression at a larger phylogenetic scale across entire clades. Here, we leverage 155 genome assemblies from 149 species to generate a fossil-calibrated phylogeny and conduct multilocus tests for introgression across 9 monophyletic radiations within the genus Drosophila. Using complementary phylogenomic approaches, we identify widespread introgression across the evolutionary history of Drosophila. Mapping gene-tree discordance onto the phylogeny revealed that both ancient and recent introgression has occurred across most of the 9 clades that we examined. Our results provide the first evidence of introgression occurring across the evolutionary history of Drosophila and highlight the need to continue to study the evolutionary consequences of hybridization and introgression in this genus and across the tree of life.
Collapse
Affiliation(s)
- Anton Suvorov
- Department of Genetics, University of North Carolina, Chapel Hill, NC 27599, USA.
| | - Bernard Y Kim
- Department of Biology, Stanford University, Stanford, CA, USA
| | - Jeremy Wang
- Department of Genetics, University of North Carolina, Chapel Hill, NC 27599, USA
| | | | - David Peede
- Department of Biology, University of North Carolina, Chapel Hill, NC 27599, USA
| | | | - Donald K Price
- School of Life Sciences, University of Nevada, Las Vegas, NV 89119, USA
| | - Peter Waddell
- School of Fundamental Sciences, Massey University, Palmerston North 4442, New Zealand
| | - Michael Lang
- CNRS, Institut Jacques Monod, Université de Paris, Paris 75013, France
| | | | - Jean R David
- Laboratoire Evolution, Génomes, Comportement, Ecologie (EGCE) CNRS, IRD, Univ. Paris-sud, Université Paris-Saclay, Gif sur Yvette 91190, France; Institut de Systématique, Evolution, Biodiversité, CNRS, MNHN, UPMC, EPHE, Muséum National d'Histoire Naturelle, Sorbonne Universités, Paris 75005, France
| | - Dmitri Petrov
- Department of Biology, Stanford University, Stanford, CA, USA
| | - Daniel R Matute
- Department of Biology, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Daniel R Schrider
- Department of Genetics, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Aaron A Comeault
- Molecular Ecology & Evolution Group, School of Natural Sciences, Bangor University, Bangor, Gwynedd LL57 2DGA, UK.
| |
Collapse
|
3
|
Davis H, Sosulski N, Civetta A. Reproductive isolation caused by azoospermia in sterile male hybrids of Drosophila. Ecol Evol 2020; 10:5922-5931. [PMID: 32607201 PMCID: PMC7319132 DOI: 10.1002/ece3.6329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 03/16/2020] [Accepted: 04/14/2020] [Indexed: 11/12/2022] Open
Abstract
Recently diverged populations in the early stages of speciation offer an opportunity to understand mechanisms of isolation and their relative contributions. Drosophila willistoni is a tropical species with broad distribution from Argentina to the southern United States, including the Caribbean islands. A postzygotic barrier between northern populations (North America, Central America, and the northern Caribbean islands) and southern populations (South American and the southern Caribbean islands) has been recently documented and used to propose the existence of two different subspecies. Here, we identify premating isolation between populations regardless of their subspecies status. We find no evidence of postmating prezygotic isolation and proceeded to characterize hybrid male sterility between the subspecies. Sterile male hybrids transfer an ejaculate that is devoid of sperm but causes elongation and expansion of the female uterus. In sterile male hybrids, bulging of the seminal vesicle appears to impede the movement of the sperm toward the sperm pump, where sperm normally mixes with accessory gland products. Our results highlight a unique form of hybrid male sterility in Drosophila that is driven by a mechanical impediment to transfer sperm rather than by an abnormality of the sperm itself. Interestingly, this form of sterility is reminiscent of a form of infertility (azoospermia) that is caused by lack of sperm in the semen due to blockages that impede the sperm from reaching the ejaculate.
Collapse
Affiliation(s)
- Hunter Davis
- Department of BiologyUniversity of WinnipegWinnipegMBCanada
| | | | | |
Collapse
|
4
|
O'Grady P, DeSalle R. Hawaiian Drosophila as an Evolutionary Model Clade: Days of Future Past. Bioessays 2018; 40:e1700246. [PMID: 29603298 DOI: 10.1002/bies.201700246] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2017] [Revised: 01/31/2018] [Indexed: 12/22/2022]
Abstract
The Hawaiian Drosophila have been a model system for evolutionary, ecological, and ethological studies since the inception of the Hawaiian Drosophila Project in the 1960s. Here we review the past and present research on this incredible lineage and provide a prospectus for future directions on genomics and microbial interactions. While the number of publications on this group has waxed and waned over the years, we assert that recent systematic, biogeographic, and ecological studies have reinvigorated Hawaiian Drosophila as an evolutionary model system. The characteristics that distinguish good model clades from good model organisms (e.g., Drosophila melanogaster) are somewhat different so we first define what constitutes a good evolutionary model. We argue that the Hawaiian Drosophila possess many desired aspects of a good evolutionary model, describe how this group of geographically isolated flies have been used in the past, and propose some exciting avenues for future evolutionary research on this diverse, dynamic clade of Drosophila.
Collapse
Affiliation(s)
- Patrick O'Grady
- Department of Entomology, Cornell University, Ithaca, NY 14456, USA
| | - Rob DeSalle
- Sackler Institute for Comparative Genomics, American Museum of Natural History, New York, NY 10024, USA
| |
Collapse
|