Group II introns are a large class of self-catalytic ribozymes and mobile genetic elements found within the genes of all three domains of life. Ribozyme...
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are four main types of introns: tRNA introns, group I introns, group II introns, and spliceosomal introns (see below). Introns are rare in Bacteria and...
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Group I introns are large self-splicing ribozymes. They catalyze their own excision from mRNA, tRNA and rRNA precursors in a wide range of organisms....
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Group III intron is a class of introns found in mRNA genes of chloroplasts in euglenid protists. They have a conventional group II-type dVI with a bulged...
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Maturase K (redirect from Intron maturase)
encodes is an organelle intron maturase, a protein that splices Group II introns. It is essential for in vivo splicing of Group II introns. Amongst other maturases...
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in the structure of large ribonucleotides, including the group I intron, the group II intron, and the ribosome. Quadruplexes Although the major groove...
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existing intron. Twintrons were discovered by Donald W. Copertino and Richard B. Hallick as a group II intron within another group II intron in Euglena...
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The Database for Bacterial Group II Introns is a repository of full-length, non-redundant group II introns present in bacterial DNA sequence. The database...
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temperature (96 °C) step required to denature DNA. In 2013, a thermostable group II intron reverse transcriptase (TGIRT), GsI-IIC-MRF, from G. stearothermophilus...
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Alan Lambowitz (section Group ll Intron Research)
between intron encoded proteins and the size of group 2 introns seen in host cells. When these introns are capable of encoding for their own intron encoded...
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Encodes a functional UMP Kinase located in the plastid that binds to group II intron plastid transcription products. Mutants show decreased accumulation...
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RNA splicing (redirect from Intron splicing)
which group II introns are spliced (two transesterification reaction like group I introns) is as follows: The 2'OH of a specific adenosine in the intron attacks...
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History of molecular biology (section The renaissance: the hammerhead ribozyme and the group I intron: P4-6)
Taylor SD, Pyle AM (April 2008). "Crystal structure of a self-spliced group II intron". Science. 320 (5872): 77–82. Bibcode:2008Sci...320...77T. doi:10.1126/science...
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is an open reading frame found in the Lactococcus lactis group II introns LtrB. It is an intron-encoded protein, which consists of three subdomains: a...
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Non-coding DNA (section Introns)
[citation needed] Group I and group II introns take up only a small percentage of the genome when they are present. Spliceosomal introns (see Figure) are...
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candidate Mg2+ ion transporters complements a yeast mitochondrial group II intron-splicing mutant". The Plant Journal. 24 (4): 489–501. doi:10.1111/j...
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information, that they originate from a reverse transcriptase from bacterial group II intron before the emergence of eukaryotes or originated before the last universal...
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ribozyme, and the hairpin ribozyme. Large ribozymes, such as Group I introns, Group II introns, and RNase P, catalyze splicing and other post-trascriptional...
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by Robert Freitas and Ralph Merkle has identified 137 design dimensions grouped into a dozen separate categories, including: (1) Replication Control, (2)...
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with their attached phosphate groups are called nucleotides; in particular, bases with three attached phosphate groups are called nucleoside triphosphates...
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that of domain V in self-splicing group II introns. The AGC triad found in U6 snRNA is conserved in group II introns and has been found to favor the same...
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and catalytic mechanism of U6 snRNA resembles that of domain V of group II introns. The formation of the triple helix in U6 snRNA is deemed to be important...
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regulation Long non-coding RNA Missense mRNA Splicing – process of removing introns from precursor messenger RNA (pre-mRNA) to make messenger RNA (mRNA) Transcriptomics...
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group II intron RNA. Molecular cell, 4(2), 239–250. Singh, R. N., Saldanha, R. J., D'Souza, L. M., & Lambowitz, A. M. (2002). Binding of a group II intron-encoded...
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Giresi PG, Lieb JD, Zakian VA (June 2009). "Highly transcribed RNA polymerase II genes are impediments to replication fork progression in Saccharomyces cerevisiae"...
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Mefford MA, Piccirilli JA, Staley JP (May 2014). "Evidence for a group II intron-like catalytic triplex in the spliceosome". Nature Structural & Molecular...
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separated and distributed between two daughter cells. On the other hand, meiosis II is similar to mitosis. The chromatids are separated and distributed in the...
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Class II or DNA transposon Plasmid Fertility Resistance Col Degradative Virulence/Ti Cryptic Cosmid Fosmid Phagemid Group I intron Group II intron Retrozyme...
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Class II or DNA transposon Plasmid Fertility Resistance Col Degradative Virulence/Ti Cryptic Cosmid Fosmid Phagemid Group I intron Group II intron Retrozyme...
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prime are important nucleotide motifs for a tertiary interaction of group II introns. In biology, kappa designates a subtype of an antibody component. In...
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