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
. 1962 Jun;13(3):365-71.
doi: 10.1083/jcb.13.3.365.

Oxygen tension and the rates of mitosis and interphase in roots

J E AMOORE

Oxygen tension and the rates of mitosis and interphase in roots

J E AMOORE. J Cell Biol. 1962 Jun.

Abstract

The object of this work was to determine the influence of a wide range of oxygen tensions upon the relative rates of respiration, mitosis, and interphase in pea root tips, compared with the normal rates of these processes in air. From the rates of disappearance of mitotic figures in excised tips kept in various oxygen tensions, the relative rates of mitosis were found to decrease gradually from 122 per cent in 100 per cent oxygen to 24 per cent in 0.0007 per cent oxygen. From the mitotic indices of intact seedlings, the relative rates of interphase were found to decrease sharply from 82 per cent in 10 per cent oxygen to 6 per cent in 5 per cent oxygen. The data on relative rates of respiration, mitosis, and interphase in root tips were compared, and it was shown that the three processes are perfectly distinct in their quantitative relationships to low oxygen tensions.

PubMed Disclaimer

References

    1. J Gen Physiol. 1957 Mar 20;40(4):593-608 - PubMed
    1. Cancer Res. 1957 Sep;17(8):727-57 - PubMed
    1. J Cell Biol. 1962 Jun;13:373-81 - PubMed
    1. Proc R Soc Lond B Biol Sci. 1961 Apr 18;154:109-29 - PubMed