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Cell wall organisation in Chlamydomonas reinhardi

The role of extra-nuclear systems

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Summary

Among a series of mutants regulating wall formation, two exhibit both Mendelian and non-Mendelian segregation patterns on crossing with wild type. In addition each, on crossing with an identical mutant, frequently gives wild type and pseudo-wild type forms. Diploid wild types can be generated by fusing two identical haploid mutants. The results of genetic analyses indicated that extra-nuclear information is involved in the regulation of wall formation; this is usually stable in vegetative cells but can be renewed at the diploid spore stage. The degree of autonomy of the extra-nuclear system is considered, and the possibility of its being ultimately based on nuclear information discussed.

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Authors and Affiliations

  1. John Innes Institute, Colney Lane, Nor 70 F, Norwich, U.K.

    D. Roy Davies

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  1. D. Roy Davies
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Communicated by Ch. Auerbach

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Roy Davies, D. Cell wall organisation in Chlamydomonas reinhardi . Molec. Gen. Genetics 115, 334–348 (1972). https://doi.org/10.1007/BF00333172

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  • DOI: https://doi.org/10.1007/BF00333172

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