نتایج جستجو برای: selectable marker
تعداد نتایج: 130804 فیلتر نتایج به سال:
Abstract Background: Selectable marker gene (SMG) systems are critical for generation of transgenic crops. Transgenic crop production Background: Selectable marker gene (SMG) systems are critical for generation of transgenic crops. Transgenic crop production without using SMG is not economically feasible. However, SMGs are non-essential once an intact transgenic plant has been established. Eli...
Drosophila cells in culture can be transformed by introducing exogenous DNA carrying a selectable marker. Here we report on the fate of plasmids that contain an extended fragment of Drosophila DNA in addition to the selectable marker. A small minority of the resulting transformants appear to arise from homologous recombination at the chromosomal target. However, the majority of the insertions a...
The construction of deletion-knockout poxviruses is a useful approach to determining the function of specific virus genes. This protocol is an adaptation of the transient dominant knockout selection protocol published by Falkner and Moss (1990) for use with vaccinia virus. The protocol makes use of the dominant selectable marker Escherichia coli guanine phosphoribosyltransferase (gpt) gene (Mul...
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