Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
. 1950 Nov;34(2):167-81.
doi: 10.1085/jgp.34.2.167.

The accelerating action of illumination in recovery of Arbacia eggs from exposure to ultraviolet radiation

H F BLUM, G M LOOS, J C ROBINSON

The accelerating action of illumination in recovery of Arbacia eggs from exposure to ultraviolet radiation

H F BLUM et al. J Gen Physiol. 1950 Nov.

Abstract

Light of wave lengths 0.30micro to 0.50micro, accelerates return of the cleavage rate of Arbacia eggs to normal, after delay by exposure to ultraviolet radiation (wave lengths 0.238micro to 0.31micro). Recovery is apparently complete. Wave lengths 0.30micro to 0.50micro have no effect on the cleavage rate of normal eggs, nor does such illumination previous to dosage with ultraviolet radiation influence subsequent recovery. Acceleration of recovery of the egg occurs before fertilization as well as after. The effects of ultraviolet radiation and recovery therefrom are essentially the same in nucleated "white halves" as in the intact eggs. This phenomenon in the Arbacia egg seems basically comparable to photoreactivation of bacteria and fungi.

PubMed Disclaimer

References

    1. J Gen Physiol. 1950 Mar;33(4):305-10 - PubMed
    1. J Bacteriol. 1950 Mar;59(3):329-47 - PubMed
    1. Nature. 1949 Jun 18;163(4155):949 - PubMed