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Ferree PM, Aldrich JC, Jing XA, Norwood CT, Van Schaick MR, Cheema MS, Ausió J, Gowen BE. Spermatogenesis in haploid males of the jewel wasp Nasonia vitripennis. Sci Rep 2019; 9:12194. [PMID: 31434920 PMCID: PMC6704150 DOI: 10.1038/s41598-019-48332-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Accepted: 07/29/2019] [Indexed: 01/11/2023] Open
Abstract
Males of hymenopteran insects, which include ants, bees and wasps, develop as haploids from unfertilized eggs. In order to accommodate their lack of homologous chromosome pairs, some hymenopterans such as the honeybee have been shown to produce haploid sperm through an abortive meiosis. We employed microscopic approaches to visualize landmark aspects of spermatogenesis in the jewel wasp Nasonia vitripennis, a model for hymenopteran reproduction and development. Our work demonstrates that N. vitripennis, like other examined hymenopterans, exhibits characteristics indicative of an abortive meiosis, including slight enlargement of spermatocytes preceding meiotic initiation. However, we saw no evidence of cytoplasmic buds containing centrioles that are produced from the first abortive meiotic division, which occurs in the honeybee. In contrast to other previously studied hymenopterans, N. vitripennis males produce sperm in bundles that vary widely from 16 to over 200, thus reflecting a range of cellular divisions. Our results highlight interesting variations in spermatogenesis among the hymenopteran insects, and together with previous studies, they suggest a pattern of progression from meiosis to a more mitotic state in producing sperm.
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Affiliation(s)
- Patrick M Ferree
- W. M. Keck Science Department, Claremont McKenna, Pitzer, and Scripps Colleges, Claremont, CA, 91711, USA.
| | - John C Aldrich
- W. M. Keck Science Department, Claremont McKenna, Pitzer, and Scripps Colleges, Claremont, CA, 91711, USA
| | - Xueyuan A Jing
- W. M. Keck Science Department, Claremont McKenna, Pitzer, and Scripps Colleges, Claremont, CA, 91711, USA
| | - Christopher T Norwood
- W. M. Keck Science Department, Claremont McKenna, Pitzer, and Scripps Colleges, Claremont, CA, 91711, USA
| | - Mary R Van Schaick
- W. M. Keck Science Department, Claremont McKenna, Pitzer, and Scripps Colleges, Claremont, CA, 91711, USA
| | - Manjinder S Cheema
- Department of Biochemistry and Microbiology, University of Victoria, Victoria, BC, V8W-3P6, Canada
| | - Juan Ausió
- Department of Biochemistry and Microbiology, University of Victoria, Victoria, BC, V8W-3P6, Canada
| | - Brent E Gowen
- Department of Biology, University of Victoria, Victoria, BC, V8W-3P6, Canada
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