1 / 9

Gametogenesis in the adult hermaphrodite of C. elegans

Gametogenesis in the adult hermaphrodite of C. elegans. Chromosome structures in the gonad of the adult hermaphrodite. 0-8h: II (early embryogenesis) + III (diakinesis oocyte) 8-24h: III + IV + V + VI (diplotene to pachytene nuclei). (0- 8 h) (8 – 22< h).

hidalgo
Télécharger la présentation

Gametogenesis in the adult hermaphrodite of C. elegans

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Gametogenesis in the adult hermaphrodite of C. elegans

  2. Chromosome structures in the gonad of the adult hermaphrodite

  3. 0-8h: II (early embryogenesis) + III (diakinesis oocyte) 8-24h: III + IV + V + VI (diplotene to pachytene nuclei)

  4. (0- 8 h) (8 – 22< h) Egg hatchability in the wild-type hermaphrodite after X-ray irradiation

  5. Egg hatchability in the wild-type hermaphrodite after heavy ions and UV irradiation

  6. Requirement of Ce-rdh-1 & Ce-atl-1 genes for ds-break repair system

  7. Requirement of Ce-atl-1 gene for UV-damage repair system

  8. CED3 apoptosis system is dispensable for ds-break repair system in meiotic cells.

  9. Conclusion • Meiotic pachytene nuclei were hyper-resistant to X-ray, 12C, and 18Ar-ion beam irradiation. • It suggests that general recombination activity during meiosis can effectively repair ds-breaks and gaps by X-ray, 12C, and 18Ar-ion beam irradiation. • A checkpoint kinase Ce-atl-1 (ATM/ATR like 1) was also involved in repair for X-ray and UV damages of mitotic and meiotic cells.

More Related