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The mitochondrial genome of Chlamydomonas

Wiseman, Andrew and Gillham, Nicholas W. and Boynton, John E. (1977) The mitochondrial genome of Chlamydomonas. Molecular and General Genetics MGG, 150 (2). pp. 109-118. ISSN 0026-8925. doi:10.1007/bf00695390.

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Among a collection of obligate photoautotrophic (dark-dier,dk) mutants isolated inChlamydomonas reinhardtii, two have been found which are inherited in crosses to wild type in a non-Mendelian, biparental and apparently random fashion. F1 progeny include not only cells which show thedk and wildtype parental phenotypes but also many which possess intermediate phenotypes between wild type anddk. When F1 progeny withdk, intermediate or wild-type phenotype were backcrossed to wild type, thedk phenotype continued to be inherited in a biparental and random fashion. Upon selection, neither mutant formed stable clones producing onlydk progeny, suggesting that the two mutants segregatedk and wild-type progeny somatically and that the homozygousdk condition may be lethal. The biparental transmission of these two non-Mendeliandk mutations resembles the transmission of acriflavin-inducedminute mutations ofChlamydomonas and is distinct from the uniparentally inherited chloroplast mutations of this alga. Both thedk andminute mutations may alter mitochondrial DNA and thereby alter mitochondrial functions.

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Record Number:CaltechAUTHORS:20221004-680171300.13
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ID Code:117240
Deposited By: Tony Diaz
Deposited On:12 Oct 2022 22:50
Last Modified:12 Oct 2022 22:50

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