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Genes take up about 30% of the pufferfish genome and the coding DNA is about 10%. (Non-coding DNA = 90%.) The reduced size of the pufferfish genome is due to a reduction in the length of introns and less repetitive DNA. [8] [9] Utricularia gibba, a bladderwort plant, has a very small nuclear genome (100.7 Mb) compared to most plants.
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A conserved non-coding sequence (CNS) is a DNA sequence of noncoding DNA that is evolutionarily conserved. These sequences are of interest for their potential to regulate gene production. [1] CNSs in plants [2] and animals [1] are highly associated with transcription factor binding sites and other cis-acting regulatory elements.
Pseudogenes are nonfunctional segments of DNA that resemble functional genes.Pseudogenes can be formed from both protein-coding genes and non-coding genes. In the case of protein-coding genes, most pseudogenes arise as superfluous copies of functional genes, either directly by gene duplication or indirectly by reverse transcription of an mRNA transcript.
A comprehensive study of DNA sequences from multiple human samples inferred the existence of 4,930 species of microbes of which 77% were previously unreported. [33] Health-related findings include a prophage that might be associated with cirrhosis of the liver , [ 27 ] and seven novel sequences from children with type-1 diabetes that have ...
Novel genes can emerge from ancestrally non-genic regions through poorly understood mechanisms. (A) A non-genic region first gains transcription and an open reading frame (ORF), in either order, facilitating the birth of a de novo gene. The ORF is for illustrative purposes only, as de novo genes may also , or lack an ORF, as with RNA genes.
General Secretary of the Communist Party of Vietnam – Tô Lâm; President of Vietnam – Tô Lâm (since 22 May) Prime Minister of Vietnam – Phạm Minh Chính; Chairman of the National Assembly – Trần Thanh Mẫn
A fact from Non-coding DNA appeared on Wikipedia's Main Page in the Did you know column on 21 March 2010 ... This page was last edited on 14 December 2024, ...