Coordinate regulation of the four tubulin genes of Chlamydomonas reinhardi
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Coordinate regulation of the four tubulin genes of Chlamydomonas reinhardi.
During cell division and during the induction of tubulin synthesis that accompanies flagellar regeneration in Chlamydomonas reinhardi, four tubulin mRNAs of discrete molecular sizes are produced. During induction two beta tubulin mRNAs (2.47 kb and 2.34 kb) and two alpha tubulin mRNAs (2.26 kb and 2.13 kb) are synthesized in high abundance and in a closely coordinated fashion. Combined data fro...
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Removal of the flagella of Chlamydomonas results in increases in both flagellar protein synthesis and tubulin messenger RNA accumulation. These observations led us to examine whether flagellar protein gene sequences are transcribed differentially in nuclei isolated before and after deflagellation. A nuclear isolation protocol was developed using the cell wall-less strain of Chlamydomonas, CW 15...
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1. Cells of Chlamydomonas reinhardi grown in the light or dark on standard medium require an additional exposure to light in the absence of a nitrogen source, in order to become sexually active. As the culture ages, the light requirement decreases. 2. This light requirement is a function of nitrogen depletion, as shown by the observation that cells from cultures grown to maturity on a low nitro...
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1 Timofeeff-Ressovsky, N. W., and Delbruck, M., Gottinger Nachrichten (Biol.), 1, 189 (1935). 2 Pauling, L., and Delbruck, M., Science, 92, 78 (1940). Jordan, P., Naturwissenschaften, 29, 89 (1941). 8 Delbruck, M., Cold Spring Harbor Symp. Quant. Biol., 9, 1941. 4 Muller, H. J., Proc. Roy. Soc., B134, 1 (1947); Cold Spring Harbor Symp. Quant. Biol., 9 (1941); Scientiflc Monthly, 44,212 (1937); ...
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Mutants affecting the period length of the biological clock in Chlamydomonas reinhardi have been isolated and a start has been made on analyzing the genetics of this system. In four mutants, the long period characteristic seems to be controlled by single genes at separate loci. Crosses between single mutants, as well as crosses involving three or four mutant genes, yielded progeny with periods ...
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ژورنال
عنوان ژورنال: Nucleic Acids Research
سال: 1982
ISSN: 0305-1048,1362-4962
DOI: 10.1093/nar/10.4.1295