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Methylation Dynamics in the Early Mammalian Embryo: Implications
Methylation Dynamics in the Early Mammalian Embryo: Implications

... phenotypes increase after interfering with or bypassing essential steps of gametogenesis, early embryogenesis, or both. Nevertheless, it is plausible that normal fertilization, assisted reproduction, and embryo cloning are all susceptible to similar dysregulation of epigenetic components. Although t ...
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For those mutants where the enhancement bred true, if
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... The objective of these Regulations is to amend the Gene Technology Regulations 2001 to— (a) reclassify certain dealings on the basis of a current scientific understanding of associated risk; and (b) clarify the scope of the Gene Technology Regulations 2001 by identifying types of scientific techniqu ...
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Artificial gene synthesis

Artificial gene synthesis is a method in synthetic biology that is used to create artificial genes in the laboratory. Currently based on solid-phase DNA synthesis, it differs from molecular cloning and polymerase chain reaction (PCR) in that the user does not have to begin with preexisting DNA sequences. Therefore, it is possible to make a completely synthetic double-stranded DNA molecule with no apparent limits on either nucleotide sequence or size. The method has been used to generate functional bacterial or yeast chromosomes containing approximately one million base pairs. Recent research also suggests the possibility of creating novel nucleobase pairs in addition to the two base pairs in nature, which could greatly expand the possibility of expanding the genetic code.Synthesis of the first complete gene, a yeast tRNA, was demonstrated by Har Gobind Khorana and coworkers in 1972. Synthesis of the first peptide- and protein-coding genes was performed in the laboratories of Herbert Boyer and Alexander Markham, respectively.Commercial gene synthesis services are now available from numerous companies worldwide, some of which have built their business model around this task. Current gene synthesis approaches are most often based on a combination of organic chemistry and molecular biological techniques and entire genes may be synthesized ""de novo"", without the need for precursor template DNA. Gene synthesis has become an important tool in many fields of recombinant DNA technology including heterologous gene expression, vaccine development, gene therapy and molecular engineering. The synthesis of nucleic acid sequences is often more economical than classical cloning and mutagenesis procedures.
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