Characterization of a novel Tc1-like transposon from bream (Cyprinidae, Megalobrama) and its genetic variation in the polyploidy progeny of bream-red crucian carp crosses.

Abstract excerpt

Crossing the cyprinids diploid blunt snout bream Megalobrama amblycephala (BSB) and Carassius auratus red var. (RCC) generated sterile triploid (3nRB) and fertile tetraploid (4nRB) hybrid offspring. Utilizing inverted terminal repeats (ITRs) of transposon Tdr1 from Danio rerio as PCR primer, the results showed that evident change in the number of Tc1-like transposons in 4nRB relative to BSB occurred, whereas such...

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