نتایج جستجو برای: tol2 transposase
تعداد نتایج: 1705 فیلتر نتایج به سال:
Both full-length Tn 5 transposase and a COOH-terminal truncated monomeric form of the protein,n369, have been shown to specifically bind end sequences at comparable affinities. In addition, both proteins distort the target sequence in a similar manner, as determined by a circular permutation assay. In this study,nEK54, a derivative ofn369 with a single amino acid substitution that significantly...
Pogo is a transposable element with short terminal inverted repeats. It contains two open reading frames that are joined by splicing and code for the putative pogo transposase, the sequence of which indicates that it is related to the transposases of members of the Tc1/mariner family as well as proteins that have no known transposase activity including the centromere binding protein CENP-B. We ...
Two P elements, inserted at the cytological site 1A on an X chromosome from an Drosophila melanogaster natural population (Lerik, USSR), were isolated by genetic methods to determine if they are sufficient to cause the P cytotype, the cellular condition that regulates the P family of transposable element. The resulting "Lerik P(1A)" line (abbreviated "Lk-P(1A)") carries only one P element in si...
The development of transposon-based genome manipulation tools can benefit greatly from understanding transposons' inherent regulatory mechanisms. The Tc1-mariner transposons, which are being widely used in biotechnological applications, are subject to a self-inhibitory mechanism whereby increasing transposase expression beyond a certain point decreases the rate of transposition. In a recent pap...
Tn10, like several other transposons, exhibits a marked preference for integration into particular target sequences. Such sequences are referred to as integration hotspots and have been used to define a consensus target site in Tn10 transposition. We demonstrate that a Tn10 hotspot called HisG1, which was identified originally in vivo, also functions as an integration hotspot in vitro in a reac...
Galileo is a DNA transposon responsible for the generation of several chromosomal inversions in Drosophila. In contrast to other members of the P-element superfamily, it has unusually long terminal inverted-repeats (TIRs) that resemble those of Foldback elements. To investigate the function of the long TIRs we derived consensus and ancestral sequences for the Galileo transposase in three specie...
Mobile elements are widely present in eukaryotic genomes. They are repeated DNA segments that are able to move from one locus to another within the genome. They are divided into two main categories, depending on their mechanism of transposition, involving RNA (class I) or DNA (class II) molecules. The mariner-like elements are class II transposons. They encode their own transposase, which ...
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