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  2. Extrachromosomal DNA - Wikipedia

    en.wikipedia.org/wiki/Extrachromosomal_DNA

    The size of an animal mtDNA plasmid is roughly 16.6 kb and, although it contains genes for tRNA and mRNA synthesis, proteins coded for by nuclear genes are still required for the mtDNA to replicate or for mitochondrial proteins to be translated. [23]

  3. Extrachromosomal circular DNA - Wikipedia

    en.wikipedia.org/wiki/Extrachromosomal_circular_DNA

    Extrachromosomal circular DNA (eccDNA) is a type of double-stranded circular DNA structure that was first discovered in 1964 by Alix Bassel and Yasuo Hotta. [1] In contrast to previously identified circular DNA structures (e.g., bacterial plasmids, mitochondrial DNA, circular bacterial chromosomes, or chloroplast DNA), eccDNA are circular DNA found in the eukaryotic nuclei of plant and animal ...

  4. Genome size - Wikipedia

    en.wikipedia.org/wiki/Genome_size

    Genome size ranges (in base pairs) of various life forms. Genome size is the total amount of DNA contained within one copy of a single complete genome.It is typically measured in terms of mass in picograms (trillionths (10 −12) of a gram, abbreviated pg) or less frequently in daltons, or as the total number of nucleotide base pairs, usually in megabases (millions of base pairs, abbreviated ...

  5. GeneCards - Wikipedia

    en.wikipedia.org/wiki/GeneCards

    To gather these scattered data, the Weizmann Institute of Science's Crown Human Genome Centre developed a database called ‘GeneCards’ in 1997. This database mainly dealt with human genome information, human genes, the encoded proteins’ functions, and related diseases, though it has expanded since that time. [1]

  6. Human genome - Wikipedia

    en.wikipedia.org/wiki/Human_genome

    This represents the size of a composite genome based on data from multiple individuals but it is a good indication of the typical amount of DNA in a haploid set of chromosomes because the Y chromosome is quite small. [7] Most human cells are diploid so they contain twice as much DNA (~6.2 billion base pairs).

  7. Genomic organization - Wikipedia

    en.wikipedia.org/wiki/Genomic_organization

    Genome sizes and corresponding composition of six major model organisms as pie charts. The increase in genome size correlates with the vast expansion of noncoding (i.e., intronic, intergenic, and interspersed repeat sequences) and repeat DNA (e.g., satellite, LINEs, short interspersed nuclear element (SINEs), DNA (Alu sequence), in red) sequences in more complex multicellular organisms.

  8. Double minute - Wikipedia

    en.wikipedia.org/wiki/Double_minute

    An extensive cancer database search found that about 1.4% of all cases are positive for DMs, and out of cancer types, neuroblastoma has the highest frequency of DMs at 31.7%. [10] The amplification of specific genes that support the growth of tumor cells, such as oncogenes or drug-resistant genes, is critical to the cell adoption of malignancy ...

  9. Genomic DNA - Wikipedia

    en.wikipedia.org/wiki/Genomic_DNA

    When a cell is not dividing, chromosomes exist as loosely packed chromatin mesh. [3] The genome of an organism (encoded by the genomic DNA) is the (biological) information of heredity which is passed from one generation of organism to the next. That genome is transcribed to produce various RNAs, which are necessary for the function of the organism.