The measurement of cellular DNA content by DNA microfluorometry revealed that medaka embryos that were fertilized with normal sperm and exposed to heat shock (41Β°C for 3 min) or hydrostatic pressure (700 kg/cm2 for 10 min) at 85-95 min after insemination were tetraploid. Embryos fertilized with norm
Development of the endoderm and gut in medaka, Oryzias latipes
β Scribed by Daisuke Kobayashi; Tomoko Jindo; Kiyoshi Naruse; Hiroyuki Takeda
- Book ID
- 108943975
- Publisher
- John Wiley and Sons
- Year
- 2006
- Tongue
- English
- Weight
- 364 KB
- Volume
- 48
- Category
- Article
- ISSN
- 0012-1592
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Carotenoids were introduced into the egg yolk of the medaka by either injection or feeding. Carotenoids for injection were dissolved in either olive oil, a mixture of olive oil and castor oil or Tween 80. Capsanthin, lutein and canthaxanthin were readily transferred from the yolk to the larval xanth
## Abstract To clarify the effect of exogenous estradiolβ17Ξ² (E~2~) on sex differentiation, the E~2~ content of developing eggs of __Oryzias latipes__ was measured by radioimmunoassay. Endogenous E~2~ was present in lower concentrations in ovulated, mature eggs in the ovarian cavity than in intrafo