Characterization of macronuclear DNA in five species of ciliates
- 1 July 1981
- journal article
- research article
- Published by Springer Nature in Chromosoma
- Vol. 83 (2) , 199-208
- https://doi.org/10.1007/bf00286789
Abstract
Macronuclear DNA of four hypotrichous and one holotrichous ciliate species was characterized by biochemical techniques. The renaturation kinetics of the macronuclear DNAs of all five species were similar. Repetitive sequences occur only in an amount below 2%. Although the DNA content of the macronuclei of the species differs considerably, the kinetic complexity of the macronuclear DNA is rather uniform (around 3 × 1010 daltons, i.e., 4–11 x the E. coli genome). Only in the macronuclei of the hypotrichous species the DNA exists as gene-sized fragments.Keywords
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