The Cloning and Molecular Analysis of pawn-B in Paramecium tetraurelia
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چکیده
منابع مشابه
The cloning and molecular analysis of pawn-B in Paramecium tetraurelia.
Pawn mutants of Paramecium tetraurelia lack a depolarization-activated Ca(2+) current and do not swim backward. Using the method of microinjection and sorting a genomic library, we have cloned a DNA fragment that complements pawn-B (pwB/pwB). The minimal complementing fragment is a 798-bp open reading frame (ORF) that restores the Ca(2+) current and the backward swimming when expressed. This OR...
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15 صفحه اولMembrane currents of pawn mutants of the pwA group in Paramecium tetraurelia.
Membrane currents were recorded from the wild type and two pawn mutants of the pwA complementation group in Paramecium tetraurelia under a voltage clamp. Most currents are not changed by the mutations. Transient inward currents of a leaky mutant, pwA132, upon step depolarizations are less than those in the wild type. The inward transient is completely lacking in a non-leaky mutant, pwA500. The ...
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ژورنال
عنوان ژورنال: Genetics
سال: 2000
ISSN: 1943-2631
DOI: 10.1093/genetics/155.3.1105