• We propose that chromocenter and satellite DNA serve a fundamental role in encapsulating the full complement of the genome within a single nucleus, the universal characteristic of eukaryotic cells. (elifesciences.org)
  • The double FISH analysis of two repetitive DNAs (a satellite DNA and ribosomal DNA) in 12 natural populations of the grasshopper Eyprepocnemis plorans collected at the south (Granada and Málaga provinces) and south-east (Albacete and Murcia provinces) of the Iberian Peninsula has shown their widespread presence throughout the whole genome as well as extensive variation among populations. (springer.com)
  • Early in her career Frommer investigated the molecular biology of "satellite DNAs" in the human genome. (wikipedia.org)
  • A fraction of the mouse genome that is derived from islands of nonmethylated, CpG-rich DNA. (wikipedia.org)
  • Although Group VII viruses such as hepatitis B contain a DNA genome, they are not considered DNA viruses according to the Baltimore classification, but rather reverse transcribing viruses because they replicate through an RNA intermediate. (wikipedia.org)
  • A group known as the pleolipoviruses, although having a similar genome organisation, differ in having either single or double stranded DNA genomes. (wikipedia.org)
  • The symbiotic relationship between a satellite and a helper virus to catalyze the replication of a satellite viral genome is also dependent on the host to provide components like replicases to carry out replication. (wikipedia.org)
  • The emergence of Satellite RNA is said to have come from either the genome of the host or its co-infecting agents, and any vectors leading to transmission. (wikipedia.org)
  • Microsatellites make up approximately three percent of the human genome, or more than one million fragments of DNA. (wikipedia.org)
  • The genome is a single circular single strand DNA molecule. (wikipedia.org)
  • Singh founded various institutes and laboratories in India, including the Centre for DNA Fingerprinting and Diagnostics in 1995, Laboratory for the Conservation of Endangered Species (LaCONES) in 1998, and Genome Foundation in 2004, aiming to diagnose and treat genetic disorders affecting the Indian population, in particular the under-privileged people residing in rural India. (wikipedia.org)
  • The P4 virion has a tail and an icosohedral head containing a linear double-stranded DNA genome of 11,627 kb. (wikipedia.org)
  • Hybrid plasmid molecules containing tandemly repeated Drosophila satellite DNA were constructed using a modification of the (dA)-(dT) homopolymer procedure of Lobban and Kaiser (1973). (nih.gov)
  • Recombinant plasmids recovered after transformation of recA bacteria contained 10% of the amount of satellite DNA present in the transforming molecules. (nih.gov)
  • Recombinant plasmids isolated from a single colony contained populations of circular molecules which varied both in the length of the satellite region and in the poly(dA)-(dt) regions linking satellite and vector. (nih.gov)
  • In addition, all isolates were found to be associated with DNAβ molecules. (deepdyve.com)
  • these molecules had an ORF βC1, an adenine-rich region, and a satellite conserved region. (deepdyve.com)
  • Cloned, sequenced mouse satellite DNA exhibits properties characteristic of molecules that possess a stable curvature. (elsevier.com)
  • In 1998 Frommer realised that it should be possible to amplify the products of a DNA deamination reaction and distinguish methylated and unmethylated molecules by dideoxy-sequencing. (wikipedia.org)
  • The PCR products of bisulphite reactions could be sequenced directly to measure the extent of methylation at any CpG site in a population of DNA molecules. (wikipedia.org)
  • These types of linear plasmids represent the largest class of extrachromosomal DNA as they are not only present in certain bacterial cells, but all linear extrachromosomal DNA molecules found in eukaryotic cells also take on this invertron structure with a protein attached to the 5' end. (wikipedia.org)
  • The altered mobility of these fragments in polyacrylamide gels is reversed when gels are run in the presence of distamycin A, a drug that binds preferentially to AT-rich DNA. (elsevier.com)
  • Furthermore, we demonstrate that the Dnmt3a PWWP domain has little DNA-binding ability, in contrast to the Dnmt3b PWWP domain, which binds DNA nonspecifically. (asm.org)
  • In a tandem array it may have very short repeating units, 2-10 base pairs in the case of microsatellite DNA , or slightly longer ones, 10-100 base pairs in the case of minisatellite DNA. (encyclopedia.com)
  • Dnmt3a and Dnmt3b are responsible for the establishment of DNA methylation patterns during development. (asm.org)
  • DNA viruses belong to either Group I or Group II of the Baltimore classification system for viruses. (wikipedia.org)
  • Notable diseases like smallpox, herpes, and the chickenpox are caused by such DNA viruses. (wikipedia.org)
  • A fourth order-Megavirales-for the nucleocytoplasmic large DNA viruses has been proposed. (wikipedia.org)
  • A recently proposed clade is the Megavirales which includes the nucleocytoplasmic large DNA viruses. (wikipedia.org)
  • However, the usage of this term remains controversial due to the lack of fundamental differences between virophages and classical satellite viruses. (wikipedia.org)
  • Virophages or satellite viruses? (wikipedia.org)
  • These viruses were earlier known as DNA 1 components. (wikipedia.org)
  • DNA methylation is catalyzed by DNA methyltransferases, which transfer a methyl group (-CH 3 ) from S -adenosyl- l -methionine to the C-5 position of cytosine residues. (asm.org)
  • We describe satellite DNA variation that detects hybridization of Bos indicus (Zebu or indicine cattle) and Bos taurus (taurine cattle) in African cattle populations. (cgiar.org)