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Shuttle vectors are frequently used to quickly make multiple copies of the gene in E. coli (amplification). They can also be used for in vitro experiments and modifications (e.g. mutagenesis, PCR). One of the most common types of shuttle vectors is the yeast shuttle vector. [2] Almost all commonly used S. cerevisiae vectors are
An expression vector, otherwise known as an expression construct, is usually a plasmid or virus designed for gene expression in cells. The vector is used to introduce a specific gene into a target cell, and can commandeer the cell's mechanism for protein synthesis to produce the protein encoded by the gene.
Due to a polarity difference in the left and right borders, the right border of the T-DNA enters the host plant first. If the selectable marker is near the right border (as is the case with pBIN19) and the transformation process is interrupted, the resulting plant may have expression of a selectable marker but contain no T-DNA giving a false ...
Post-transcriptional regulation is the control of gene expression at the RNA level. It occurs once the RNA polymerase has been attached to the gene's promoter and is synthesizing the nucleotide sequence. Therefore, as the name indicates, it occurs between the transcription phase and the translation phase of gene expression. These controls are ...
A molecular shuttle in supramolecular chemistry is a special type of molecular machine capable of shuttling molecules or ions from one location to another. This field is of relevance to nanotechnology in its quest for nanoscale electronic components and also to biology where many biochemical functions are based on molecular shuttles.
In addition to Cori Cycle, the lactate shuttle hypothesis proposes complementary functions of lactate in multiple tissues. Contrary to the long-held belief that lactate is formed as a result of oxygen-limited metabolism, substantial evidence exists that suggests lactate is formed under both aerobic and anaerobic conditions, as a result of substrate supply and equilibrium dynamics.
A second space shuttle disaster. Seventeen years after the Challenger disaster, another shuttle and its crew were lost in the skies above America: The shuttle Columbia broke apart upon reentry on ...
However, even between mammalian cells, there are observed differences, for example differences in glycosylation between rodent and human cells. Even within one cell line, often stabilizing a cell line results in modified glycosylation patterns. The only commercially viable way to use mammalian cells as host systems is a high value end product.