• Thumbnail for Group II intron
    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...
    15 KB (1,933 words) - 04:31, 9 January 2025
  • 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...
    47 KB (5,853 words) - 21:36, 25 April 2025
  • Thumbnail for Nucleic acid tertiary structure
    in the structure of large ribonucleotides, including the group I intron, the group II intron, and the ribosome. Quadruplexes Although the major groove...
    54 KB (6,384 words) - 05:07, 29 October 2024
  • Thumbnail for Group I catalytic intron
    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....
    13 KB (1,540 words) - 22:36, 3 August 2024
  • Thumbnail for Maturase K
    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...
    3 KB (287 words) - 16:24, 22 May 2025
  • 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...
    4 KB (543 words) - 14:27, 5 November 2021
  • Thumbnail for Geobacillus stearothermophilus
    temperature (96 °C) step required to denature DNA. In 2013, a thermostable group II intron reverse transcriptase (TGIRT), GsI-IIC-MRF, from G. stearothermophilus...
    8 KB (823 words) - 17:01, 19 October 2024
  • 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...
    2 KB (154 words) - 19:37, 6 May 2022
  • 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...
    2 KB (264 words) - 02:18, 30 January 2025
  • 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...
    8 KB (1,120 words) - 12:37, 14 February 2023
  • Encodes a functional UMP Kinase located in the plastid that binds to group II intron plastid transcription products. Mutants show decreased accumulation...
    16 KB (951 words) - 22:28, 14 May 2025
  • Thumbnail for Alan Lambowitz
    between intron encoded proteins and the size of group II introns seen in host cells. When these introns are capable of encoding for their own intron encoded...
    13 KB (1,536 words) - 08:47, 24 May 2025
  • Thumbnail for U2 spliceosomal RNA
    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...
    15 KB (1,784 words) - 02:26, 23 September 2021
  • [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...
    42 KB (4,774 words) - 17:56, 3 November 2024
  • Thumbnail for U6 spliceosomal RNA
    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...
    9 KB (1,077 words) - 20:33, 26 October 2024
  • Thumbnail for RNA splicing
    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...
    38 KB (4,660 words) - 16:36, 26 February 2025
  • 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...
    57 KB (7,594 words) - 05:50, 25 May 2025
  • Thumbnail for Cell division
    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...
    41 KB (4,763 words) - 18:41, 25 May 2025
  • Thumbnail for OLE RNA
    known RNAs that are longer than OLE RNA are ribozymes such as the group II intron and ribosomal RNAs. The exceptional length and highly conserved structure...
    3 KB (342 words) - 13:57, 28 February 2025
  • acid Gly God gene Gradient Gray crescent gRNA Ground state Group 1 intron Group II intron Group selection Guanine Guanosine Guide RNA Gynandromorph H-Y antigen...
    33 KB (2,517 words) - 18:31, 3 September 2024
  • Class II or DNA transposon Plasmid Fertility Resistance Col Degradative Virulence/Ti Cryptic Cosmid Fosmid Phagemid Group I intron Group II intron Retrozyme...
    6 KB (661 words) - 21:41, 22 January 2025
  • Class II or DNA transposon Plasmid Fertility Resistance Col Degradative Virulence/Ti Cryptic Cosmid Fosmid Phagemid Group I intron Group II intron Retrozyme...
    6 KB (634 words) - 22:52, 2 December 2023
  • Thumbnail for Hydrogenosome
    Class II or DNA transposon Plasmid Fertility Resistance Col Degradative Virulence/Ti Cryptic Cosmid Fosmid Phagemid Group I intron Group II intron Retrozyme...
    10 KB (1,048 words) - 04:01, 24 March 2025
  • Thumbnail for Transcription (biology)
    regulation Long non-coding RNA Missense mRNA Splicing – process of removing introns from precursor messenger RNA (pre-mRNA) to make messenger RNA (mRNA) Transcriptomics...
    58 KB (6,898 words) - 13:44, 24 May 2025
  • Mefford MA, Piccirilli JA, Staley JP (May 2014). "Evidence for a group II intron-like catalytic triplex in the spliceosome". Nature Structural & Molecular...
    18 KB (2,335 words) - 16:05, 28 November 2024
  • Thumbnail for Retron
    self-splicing RNA structure. Group II intron mobility is mediated by a ribonucleoprotein comprising an intron lariat bound to two intron-coded proteins. diversity-generating...
    7 KB (798 words) - 17:20, 4 June 2025
  • Thumbnail for Self-replication
    by Robert Freitas and Ralph Merkle has identified 137 design dimensions grouped into a dozen separate categories, including: (1) Replication Control, (2)...
    25 KB (3,106 words) - 20:31, 17 April 2025
  • Thumbnail for Translation (biology)
    reaction is an aminoacyl-tRNA. The amino acid is joined by its carboxyl group to the 3' OH of the tRNA by an ester bond. When the tRNA has an amino acid...
    36 KB (4,225 words) - 02:57, 1 June 2025
  • significance, particularly in studies of plastid genome reduction and group II intron mobility. The type species for Bulboplastis is Bulboplastis apyrenoidosa...
    5 KB (628 words) - 03:11, 18 May 2025
  • without being "gutted". The term satellite virus has been given to a large group of viruses that all require the presence of another virus to replicate....
    5 KB (689 words) - 01:34, 10 March 2024