Search results
Results From The WOW.Com Content Network
Chromatin is a complex of DNA and protein found in eukaryotic cells. [1] ... The overall structure of the chromatin network further depends on the stage of the cell ...
The spatial location of strands of chromatin relative to each other plays an important role in the activation or suppression of certain genes. DNA-DNA Chromatin Networks help biologists to understand these interactions by analyzing commonalities amongst different loci. The size of a network can vary significantly, from a few genes to several ...
Diagram of the nucleus showing the ribosome-studded outer nuclear membrane, nuclear pores, DNA (complexed as chromatin), and the nucleolus. The nucleus contains nearly all of the cell's DNA, surrounded by a network of fibrous intermediate filaments called the nuclear matrix, and is enveloped in a double membrane called the nuclear envelope.
Structure of a gene regulatory network Control process of a gene regulatory network. A gene (or genetic) regulatory network (GRN) is a collection of molecular regulators that interact with each other and with other substances in the cell to govern the gene expression levels of mRNA and proteins which, in turn, determine the function of the cell.
The Tr mechanism of DNA translocation is conserved by all ATP-dependent chromatin remodelers; two RecA-like lobes are mechanistically responsible for translocating the DNA. [3] After binding two helical turns away from a nucleosome, the complex causes the shifting of the aforementioned nucleosome upstream one-two base pairs.
Basic units of chromatin structure. In molecular biology, a chromatosome is a result of histone H1 binding to a nucleosome, which contains a histone octamer and DNA. [1] The chromatosome contains 166 base pairs of DNA. 146 base pairs are from the DNA wrapped around the histone core of the nucleosome.
Chromatin remodeling is the dynamic modification of chromatin architecture to allow access of condensed genomic DNA to the regulatory transcription machinery proteins ...
The nuclear lamina is a dense (~30 to 100 nm thick) fibrillar network inside the nucleus of eukaryote cells. It is composed of intermediate filaments and membrane associated proteins . Besides providing mechanical support, the nuclear lamina regulates important cellular events such as DNA replication and cell division .