Bradynema rigidum
| Bradynema rigidum | |
|---|---|
Scientific classification 
| |
| Kingdom: | Animalia |
| Phylum: | Nematoda |
| Class: | Secernentea |
| Order: | Tylenchida |
| Family: | Allantonematidae |
| Genus: | Bradynema |
| Species: | B. rigidum
|
| Binomial name | |
| Bradynema rigidum | |
Bradynema rigidum is a species of nematodes in the Allantonematidae family.[1] The species is parasitic.[2] Otto zur Strassen received a doctorate in 1892 for writing about this species.[3] The species has been classified as androdioecious.[4]
The species has been subject to study. It was claimed that P4 went through a second division.[5] It was found that blastomeres in the 4 cell stage might be in 2 possible arrangements.[6]
The larva development was first described by Wülker. In this species male larva develop into adults after 8 days, while the females develop into adults after 7 or 10 days.[7] All adults are hermaphrodites.[2] It has been suggested that males develop ovaries and become hermaphrodites while the females degenerate.[8]
References[edit]
- ↑ "Bradynema rigidum (Von Siebold 1836) Von Siebold 1836 - Encyclopedia of Life". eol.org. Retrieved 2021-09-20.
- ↑ 2.0 2.1 Doncaster, L. (2015-03-12). The Determination of Sex. Cambridge University Press. p. 122. ISBN 978-1-107-49284-4. Search this book on
- ↑ Killy, Walther; Vierhaus, Rudolf (2011-11-30). Schmidt - Theyer. Walter de Gruyter. p. 585. ISBN 978-3-11-096629-9. Search this book on
- ↑ Weeks, Stephen C. (2012). "The Role of Androdioecy and Gynodioecy in Mediating Evolutionary Transitions Between Dioecy and Hermaphroditism in the Animalia". Evolution. 66 (12): 3670–3686. doi:10.1111/j.1558-5646.2012.01714.x. ISSN 1558-5646.
- ↑ Lee, Donald L. (2002-01-10). The Biology of Nematodes. CRC Press. pp. 128–129. ISBN 978-0-415-27211-7. Search this book on
- ↑ Giese, Arthur C.; Pearse, John S. (2013-09-17). Acoelomate and Pseudocoelomate Metazoans. Elsevier. p. 442. ISBN 978-1-4832-6055-6. Search this book on
- ↑ Nickle, William R. (2020-12-17). Manual of Agricultural Nematology. CRC Press. ISBN 978-1-000-14771-1. Search this book on
- ↑ Doncaster, L. (2015-03-12). The Determination of Sex. Cambridge University Press. p. 123. ISBN 978-1-107-49284-4. Search this book on
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