Evaluation of mutagenic susceptibility of different stages in germ cell development of Caenorhabditis elegans using whole genome sequencing
Abstract In contrast to somatic mutations, mutations in germ cells affect every cell of any organism derived from the germ cell and therefore are related to numerous genetic diseases. However, there is no suitable assay to evaluate the mutagenic sensitivities of both male and female germ cells. The main type of Caenorhabditis elegans (C. elegans) is hermaphroditic, where spermatogenesis and oogenesis occur chronologically at specific stages, allowing induction of mutations in either sperm or eggs exclusively. In this study, we used the alkylating agent ethyl methanesulfonate and N-ethyl-N-nitrosourea to induce germline mutations in C. elegans at different developmental stages and analyzed mutation frequency and mutational spectrum from data gathered using next-generation sequencing (NGS) technology. Our results revealed low spontaneous mutation rates of C. elegans, along with distinct mutagenic effects elicited by the two mutagens. Our data show that the parental worms treated during germ cell mitosis, spermatogenesis, and oogenesis resulted in different mutation frequencies in their offspring, and female germ cells could be very susceptible to mutagen exposure during oogenesis. In summary, our study indicates that the use of C. elegans and its specific chronological hermaphroditism would be a promising way to explore the sensitivities of both male and female germ cells to mutagens..
| Medienart: |
Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:97 |
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| Enthalten in: |
Archives of toxicology - 97(2023), 8 vom: 20. Mai, Seite 2261-2272 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Du, Hua [VerfasserIn] |
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| Links: |
Volltext [lizenzpflichtig] |
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| Themen: |
Alkylating mutagen |
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| Anmerkungen: |
© This is a U.S. Government work and not under copyright protection in the US; foreign copyright protection may apply 2023 |
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| doi: |
10.1007/s00204-023-03526-z |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
OLC2144305870 |
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| 245 | 1 | 0 | |a Evaluation of mutagenic susceptibility of different stages in germ cell development of Caenorhabditis elegans using whole genome sequencing |
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| 500 | |a © This is a U.S. Government work and not under copyright protection in the US; foreign copyright protection may apply 2023 | ||
| 520 | |a Abstract In contrast to somatic mutations, mutations in germ cells affect every cell of any organism derived from the germ cell and therefore are related to numerous genetic diseases. However, there is no suitable assay to evaluate the mutagenic sensitivities of both male and female germ cells. The main type of Caenorhabditis elegans (C. elegans) is hermaphroditic, where spermatogenesis and oogenesis occur chronologically at specific stages, allowing induction of mutations in either sperm or eggs exclusively. In this study, we used the alkylating agent ethyl methanesulfonate and N-ethyl-N-nitrosourea to induce germline mutations in C. elegans at different developmental stages and analyzed mutation frequency and mutational spectrum from data gathered using next-generation sequencing (NGS) technology. Our results revealed low spontaneous mutation rates of C. elegans, along with distinct mutagenic effects elicited by the two mutagens. Our data show that the parental worms treated during germ cell mitosis, spermatogenesis, and oogenesis resulted in different mutation frequencies in their offspring, and female germ cells could be very susceptible to mutagen exposure during oogenesis. In summary, our study indicates that the use of C. elegans and its specific chronological hermaphroditism would be a promising way to explore the sensitivities of both male and female germ cells to mutagens. | ||
| 650 | 4 | |a Germline mutation | |
| 650 | 4 | |a Alkylating mutagen | |
| 650 | 4 | |a Male and female germ cells | |
| 650 | 4 | |a Mutagenesis | |
| 700 | 1 | |a Pan, Bohu |4 aut | |
| 700 | 1 | |a Alund, Alexander W. |4 aut | |
| 700 | 1 | |a Yan, Jian |4 aut | |
| 700 | 1 | |a Chen, Ying |4 aut | |
| 700 | 1 | |a Robison, Timothy W. |4 aut | |
| 700 | 1 | |a Chen, Tao |0 (orcid)0000-0001-9240-9484 |4 aut | |
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