Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun biology A subset of a strain, especially one derived from a single cell

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

From sub- +‎ strain

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Examples

  • "And there we went, possibly contaminating the Enterprise with every strain and substrain, when Sendet had carried up only a strain which attacks iron-based blood—a strain for which we now have a cure!"

    The Idic Epidemic Jean Lorrah 2000

  • All were C57s, and all were of the substrain that supposedly preferred alcohol.

    Alcohol and The Addictive Brain Kenneth Blum 1991

  • In a small preliminary study, my colleagues and I ordered 20 C57 black mice of the 6J substrain that prefers alcohol over water.

    Alcohol and The Addictive Brain Kenneth Blum 1991

  • In a small preliminary study, my colleagues and I ordered 20 C57 black mice of the 6J substrain that prefers alcohol over water.

    Alcohol and The Addictive Brain Kenneth Blum 1991

  • All were C57s, and all were of the substrain that supposedly preferred alcohol.

    Alcohol and The Addictive Brain Kenneth Blum 1991

  • There were faint odours of spring in the air, and the grass here and there was streaked with great patches of daisies; but it was spring with a foreknowledge of autumn, a day to be enjoyed with a substrain of sadness, the foreboding of regret, a day somehow to make one feel as if one had seen and felt a great deal -- quite, as

    Italian Hours Henry James 1879

  • In cell cultures where the drug was used, a drug - resistant substrain of prion evolved to become predominant.

    JSOnline.com 2010

  • When the drug was withdrawn, the substrain that was susceptible to the drug again grew to become the dominate strain.

    JSOnline.com 2010

  • It is a substrain of H1N1, presenting a new pattern of genes that resulted from a mix of existing viruses of human, pig and avian flu.

    COSMOS magazine - The science of everything 2009

  • It is a substrain of H1N1, presenting a new pattern of genes that resulted from a mix of existing viruses of human, pig and avian flu.

    COSMOS magazine - The science of everything 2009

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