'Heterochromatin formation' diaporamas de présentation

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Epigenetics Heritable alterations in chromatin structure can govern gene

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Yeast Has Defined Origins

Yeast Has Defined Origins. ARS directs autonomous replication of plasmid DNA. S. cerevisiae ARS contains a conserved 11 bp ARS consensus sequence and multiple B elements. The ORC complex binds to the ARS during most of the cell cycle. The S. pombe origin is larger and

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Regulation of Gene expression

Regulation of Gene expression. Gene Regulation. Learning Goals: To know and explain: Constitutive ( house keeping) vs. Controllable genes OPERON structure and its role in gene regulation Regulation of Eukaryotic Gene Expression at different levels: DNA methylation

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Introduction to Epigenetics

Introduction to Epigenetics. Manoj Kannan BITS-Pilani & NCI-Frederick. Recap of some familiar terms in genetics. Gene Allele Genotype Phenotype Gene expression Gene silencing Genome. Genome expression. Well-established paradigm of how genetic information is transcribed and translated

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RNAi-MEDIATED PATHWAYS IN THE NUCLEUS

RNAi-MEDIATED PATHWAYS IN THE NUCLEUS. Marjori A.Matzke* and James A.Birchler. RNAi. ??? plant, animal and fungi. ?? : 21~26 nt ?? : dsRNA ?? Dicer (RNaseIII enzyme) ?????? small interfering RNA(siRNA) ???? :

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