No data available that match "DNA, Ribosomal"



*  Low Levels of DNA Polymerase Alpha Induce Mitotic and Meiotic Instability in the Ribosomal DNA Gene Cluster of Saccharomyces...

This unique section of the genome is under strict cellular control to minimize changes in the number of ribosomal DNA (rDNA) ... We found that low levels of DNA polymerase modestly increase rDNA recombination in mitosis and strongly elevate rDNA ... and in this study we investigated the effect of a low level of DNA polymerase on rDNA stability. ... in meiosis.We suggest that in mitotic cells the increased recombination is likely due to increased double strand DNA breaks ( ...
journals.plos.org/plosgenetics/article?id=10.1371/journal.pgen.1000105

*  Origin and relationships of Saintpaulia (Gesneriaceae) based on ribosomal DNA internal transcribed spacer (ITS) sequences.

... ... of nuclear ribosomal DNA. The length of the ITS 1 region ranged from 228 to 249 base pairs (bp) and the ITS 2 region from 196 ...
https://omicsonline.org/references/origin-and-relationships-of-saintpaulia-gesneriaceae-based-on-ribosomal-dna-internal-transcribed-spacer-its-sequences-1464178.html

*  Inferences about orthopteroid phylogeny and molecular evolution from small subunit nuclear ribosomal DNA sequences - Flook -...

Inferences about orthopteroid phylogeny and molecular evolution from small subunit nuclear ribosomal DNA sequences. Authors. * ... We determined DNA sequences of SSU rRNA genes in twenty-nine polyneopteran insect species and aligned these with homologues ... Jianhua Huang, Aibing Zhang, Shaoli Mao, Yuan Huang, Donald James Colgan, DNA Barcoding and Species Boundary Delimitation of ... from Northwest Tanzania Based on 18S Ribosomal Nuclear Sequences, Journal of Insects, 2013, 2013, 1. CrossRef ...
onlinelibrary.wiley.com/doi/10.1046/j.1365-2583.1998.72060.x/abstract?globalMessage=0&systemMessage=Wiley Online Library will be unavailable on Saturday 7th Oct from 03.00 EDT / 08:00 BST / 12:30 IST / 15.00 SGT to 08.00 EDT / 13.00 BST / 17:30 IST / 20.00 SGT and Sunday 8th Oct from 03.00 EDT / 08:00 BST / 12:30 IST / 15.00 SGT to 06.00 EDT / 11.00 BST / 15:30 IST / 18.00 SGT for essential maintenance. Apologies for the inconvenience caused

*  The evolution of Araliaceae : a phylogenetic analysis based on ITS sequences of nuclear ribosomal DNA

... Wen, J. ; Plunkett, G. M ... The evolution of Araliaceae : a phylogenetic analysis based on ITS sequences of nuclear ribosomal DNA. Research Archive. Login ...
https://researcharchive.lincoln.ac.nz/handle/10182/586

*  HKU Scholars Hub: Molecular phylogeny of Dictyosporium and allied genera inferred from ribosomal DNA

Molecular phylogeny of Dictyosporium and allied genera inferred from ribosomal DNA. Authors. Tsui, CKMBerbee, MLJeewon, RHyde, ... Article: Molecular phylogeny of Dictyosporium and allied genera inferred from ribosomal DNA. *Show simple item record ... portion of the large ribosomal subunit (LSU) of RNA. Six new SSU sequences were determined and analysed together with related ... portion of the large ribosomal subunit (LSU) of RNA. Six new SSU sequences were determined and analysed together with related ...
hub.hku.hk/handle/10722/223525

*  Are ribosomal DNA clusters rearrangement hotspots? A case study in the genus Mus (Rodentia, Muridae) | BMC Evolutionary Biology...

Hirai H, Taguchi T, Godwin AK: Genomic differentiation of 18S ribosomal DNA and b-satellite DNA in the hominoid and its ... Are ribosomal DNA clusters rearrangement hotspots? A case study in the genus Mus (Rodentia, Muridae). ... Stults DM, Killen MW, Pierce HH, Pierce AJ: Genomic architecture and inheritance of human ribosomal DNA. Genome Research. 2008 ... Ganley ARD, Kobayashi T: Highly efficient concerted evolution in the ribosomal DNA repeats: Total rDNA repeat variation ...
https://bmcevolbiol.biomedcentral.com/articles/10.1186/1471-2148-11-124

*  A real-time PCR method for quantifying viable Ascaris eggs using the first internally transcribed spacer region of ribosomal DNA

A real-time PCR method for quantifying viable Ascaris eggs using the first internally transcribed spacer region of ribosomal ... Real-time quantitative PCR method was used to show that the internally transcribed spacer (ITS-1) region of ribosomal DNA (rDNA ... real-time PCR method for quantifying viable Ascaris eggs using the first internally transcribed spacer region of ribosomal DNA ...
readabstracts.com/Biological-sciences/A-real-time-PCR-method-for-quantifying-viable-Ascaris-eggs-using-the-first-internally-transcribed-sp.html

*  Fission yeast Cut8 is required for the repair of DNA double-strand breaks, ribosomal DNA maintenance, and cell survival in the...

In keeping with a recently described function of the proteasome in the repair of DNA double-strand breaks, we found that Cut8 ... Here, we show that rad3 rqh1 mutants are normally committed to a lethal pathway of DNA repair requiring homologous ... is also required for DNA double-strand break repair and is essential for proper chromosome segregation in the absence of Rqh1, ... Schizosaccharomyces pombe Rqh1 is a member of the RecQ DNA helicase family. Members of this protein family are mutated in ...
https://neuroscience.ox.ac.uk/publications/209266

*  Recent Articles | Biochemistry, Genetics & Genomics And Disease/Medicine | The Scientist Magazine®| Page 7

Ribosomal DNA Copy Numbers Decrease in Some Cancers. By Abby Olena , June 22, 2017 ... An analysis of human cancer genome projects uncovers a counterintuitive loss of ribosomal gene copies. ...
the-scientist.com/?articles.list/tagNo/15,9,6/tags/biochemistry,genetics--amp--genomics,disease-medicine/pageNo/7/

*  Recent Articles | Renewable Energy And Genetics & Genomics | The Scientist Magazine®| Page 6

Ribosomal DNA Copy Numbers Decrease in Some Cancers. By Abby Olena , June 22, 2017 ... AcrIIA4, an inhibitor protein from the Listeria bacteriophage, can block DNA from binding to Cas9 during genome editing. ... An analysis of human cancer genome projects uncovers a counterintuitive loss of ribosomal gene copies. ...
the-scientist.com/?articles.list/tagNo/682,9/tags/renewable-energy,genetics--amp--genomics/pageNo/6/

*  Recent Articles | Drug Addiction, Cell & Molecular Biology And Genetics & Genomics | The Scientist Magazine®| Page 8

Ribosomal DNA Copy Numbers Decrease in Some Cancers. By Abby Olena , June 22, 2017 ... Daily News Effects of Neanderthal DNA on Modern Humans A new study reveals how Neanderthal DNA in the genomes of present-day ... AcrIIA4, an inhibitor protein from the Listeria bacteriophage, can block DNA from binding to Cas9 during genome editing. ... An analysis of human cancer genome projects uncovers a counterintuitive loss of ribosomal gene copies. ...
the-scientist.com/?articles.list/tagNo/2044,4,9/tags/drug-addiction,cell--amp--molecular-biology,genetics--amp--genomics/pageNo/8/

*  Daily News Articles - fermentation, genetics and genomics and cancer | The Scientist Magazine®

Ribosomal DNA Copy Numbers Decrease in Some Cancers. By Abby Olena , June 22, 2017 ... An analysis of human cancer genome projects uncovers a counterintuitive loss of ribosomal gene copies. ... A new algorithm reveals hoards of preparation-induced DNA mutations in publicly available human sequences. ...
the-scientist.com/?articles.list/categoryNo/2884/category/Daily-News/tagNo/2454,2654,20/tags/fermentation,genetics-and-genomics,cancer/

*  Recent Articles | Cancer, Neuroscience And Microbiology | The Scientist Magazine®| Page 8

Ribosomal DNA Copy Numbers Decrease in Some Cancers. By Abby Olena , June 22, 2017 ... A drug that blocks an immune checkpoint protein effectively treats tumors in patients with deficient DNA repair genes. ... An analysis of human cancer genome projects uncovers a counterintuitive loss of ribosomal gene copies. ...
the-scientist.com/?articles.list/tagNo/20,11,10/tags/cancer,neuroscience,microbiology/pageNo/8/

*  The primary structure of rat ribosomal protein l19 a determination from the sequence of nucleotides in a complementary dna and...

The primary structure of rat ribosomal protein l19 a determination from the sequence of nucleotides in a complementary dna and ... The primary structure of rat ribosomal protein l19 a determination from the sequence of nucleotides in a complementary dna and ... The primary structure of rat ribosomal protein l19 a determination from the sequence of nucleotides in a complementary dna and ... Ribosomal protein L19 contains 196 amino acids and has a molecular weight of 26,971. There are indications that a segement of ...
https://eurekamag.com/research/006/740/006740981.php

*  Abbreviations, Acronyms and Symbols - Edward G. Miner Library

rDNAribosomal DNA. *RDSrespiratory distress syndrome. *RDWred cell distribution width ...
https://urmc.rochester.edu/libraries/miner/resources/abbreviationglossary/

*  Species Diversity of Shallow Water Zoanthids (Cnidaria: Anthozoa: Hexacorallia) in Florida

... mitochondrial 16S ribosomal DNA, cytochrome oxidase subunit I, and the internal transcribed spacer of ribosomal DNA) showed the ... DNA Extraction, PCR Reactions, and DNA Sequencing. Genomic DNA was extracted from portions of specimens by following a ... Mitochondrial 16S Ribosomal DNA. mt 16S rDNA sequences from specimens in this study were placed within three large clades, ... An approximately 900 base pair fragment of mitochondrial 16S ribosomal DNA (mt 16S rDNA) was amplified using the primer set 16 ...
https://hindawi.com/journals/jmb/2012/856079/

*  Betsy Rivers Jackes - Wikipedia

Is the genus Cissus (Vitaceae) monophyletic? Evidence from plastid and nuclear ribosomal DNA. Syst. Bot. 27: 522 - 533. p. ...
https://es.wikipedia.org/wiki/Betsy_Rivers_Jackes

*  Pterygote Higher Relationships

The systematics of insect ribosomal DNA. In B. Fernholm et al. (eds.), The Hierarchy of Life. Molecules and Morphology in ...
tolweb.org/accessory/Pterygote_Higher_Relationships?acc_id=450

*  Transmission and maintenance cycle of Bartonella quintana among rhesus macaques, China.

DNA, Bacterial / genetics. DNA, Ribosomal Spacer / genetics. Disease Vectors. Female. Genes, Bacterial. Insect Proteins / ... 0/DNA, Bacterial; 0/DNA, Ribosomal Spacer; 0/Insect Proteins; 9035-37-4/Cytochromes b ...
biomedsearch.com/nih/Transmission-Maintenance-Cycle-Bartonella-quintana/23347418.html

*  'dna complementary' Protocols and Video...

Assessment of DNA Contamination in RNA Samples Based on Ribosomal DNA', 'Bacterial Artificial Chromosomes: A Functional ... Studying DNA Looping by Single-Molecule FRET', 'Steady-state, Pre-steady-state, and Single-turnover Kinetic Measurement for DNA ... DNA Nanotubes As a Versatile Tool to Study Semiflexible Polymers', 'Atomic Force Microscopy Investigations of DNA Lesion ... Folding and Characterization of a Bio-responsive Robot from DNA Origami', 'Protocols for C-Brick DNA Standard Assembly Using ...
https://jove.com/keyword/dna complementary

*  Candice Joy McNeil, M.D., M.P.H., Infectious Diseases - Wake Forest Baptist, North Carolina

Ascomycota; Brain Abscess; Mycoses; DNA, Ribosomal; DNA, Fungal More » Contact Information. Academic: 336-716-2700 , Department ...
wakehealth.edu/Faculty/McNeil-Candice-Joy.htm

*  Lynn J. Gillespie - Wikipedia

Angiosperm Phylogeny Inferred from 18S Ribosomal DNA Sequences. Annals of the Missouri Botanical Garden 84: 1-49 Gillespie, L.J ... 1997). Hybridization and the Origin of the Arctic Grass Poa hartzii (Poaceae): Evidence from Morphology and Chloroplast DNA ... DNA Content, and AFLP Markers. Systematic Botany 33: 251-261 Gillespie, L.J., Soreng, R.J., Bull, R., Jacobs, S.W.L., Refulio- ... in the Canadian Arctic using morphology and chloroplast DNA data. Canadian Field-Naturalist 118: 326-340. Gillespie, L.J. (2002 ...
https://es.wikipedia.org/wiki/Lynn_J._Gillespie

*  Human Infection Caused by Leptospira fainei - Volume 8, Number 8-August 2002 - Emerging Infectious Disease journal - CDC

16S ribosomal DNA amplification for phylogenetic study. J Bacteriol. 1991;173:697-703.PubMed ... 16S ribosomal DNA sequence analysis of a large collection of environmental and clinical unidentifiable bacterial isolates. J ... The genomic DNA of the spirochete was extracted from the blood culture by the Qiamp blood kit procedure (QIAGEN GmbH, Hilden, ... Pulsed-field gel electrophoresis of NotI digests of leptospiral DNA: a new rapid method of serovar identification. J Clin ...
https://wwwnc.cdc.gov/eid/article/8/8/01-0445_article

*  Escalloniales

... small deletion in the 18S ribosomal DNA common.. [ROSIDS ET AL. + ASTERIDS ET AL.] / PENTAPETALAE: root apical meristem closed ...
mobot.org/mobot/research/apweb/orders/Escalloniales.html

*  DNA Clean-Up Buffers

NucleoTrap Buffers for DNA clean-up spin columns. ... Ribosomal RNA Removal * Library Construction (dsDNA) Kit for ...
clontech.com/US/Products/Nucleic_Acid_Purification/Accessories/Buffers_and_Enzymes/DNA_Clean-Up?sitex=10020:22372:US&PROD=sqFQ121JCqKKoivj5WBi_nix:S&PROD_pses=ZGC487EBFB2F906FB7E118CE951380B235928F9D77FFAEFABAD84A1AEF8951C90B3A96A406F1954B59496D028746E62EB1DFC11F2ECC9EA160

No data available that match "DNA, Ribosomal"



(1/10320) In vivo expression of the nucleolar group I intron-encoded I-dirI homing endonuclease involves the removal of a spliceosomal intron.

The Didymium iridis DiSSU1 intron is located in the nuclear SSU rDNA and has an unusual twin-ribozyme organization. One of the ribozymes (DiGIR2) catalyses intron excision and exon ligation. The other ribozyme (DiGIR1), which along with the endonuclease-encoding I-DirI open reading frame (ORF) is inserted in DiGIR2, carries out hydrolysis at internal processing sites (IPS1 and IPS2) located at its 3' end. Examination of the in vivo expression of DiSSU1 shows that after excision, DiSSU1 is matured further into the I-DirI mRNA by internal DiGIR1-catalysed cleavage upstream of the ORF 5' end, as well as truncation and polyadenylation downstream of the ORF 3' end. A spliceosomal intron, the first to be reported within a group I intron and the rDNA, is removed before the I-DirI mRNA associates with the polysomes. Taken together, our results imply that DiSSU1 uses a unique combination of intron-supplied ribozyme activity and adaptation to the general RNA polymerase II pathway of mRNA expression to allow a protein to be produced from the RNA polymerase I-transcribed rDNA.  (+info)

(2/10320) p53 represses ribosomal gene transcription.

Induction of the tumor suppressor protein p53 restricts cellular proliferation. Since actively growing cells require the ongoing synthesis of ribosomal RNA to sustain cellular biosynthesis, we studied the effect of p53 on ribosomal gene transcription by RNA polymerase I (Pol I). We have measured rDNA transcriptional activity in different cell lines which either lack or overexpress p53 and demonstrate that wild-type but not mutant p53 inhibits cellular pre-rRNA synthesis. Conversely, pre-rRNA levels are elevated both in cells which express mutant p53 and in fibroblasts from p53 knock-out mice. Transient transfection assays with a set of rDNA deletion mutants demonstrate that intergenic spacer sequences are dispensable and the minimal rDNA promoter is sufficient for p53-mediated repression of Pol I transcription. However, in a cell-free transcription system, recombinant p53 does not inhibit rDNA transcription, indicating that p53 does not directly interfere with the basal Pol I transcriptional machinery. Thus, repression of Pol I transcription by p53 may be a consequence of p53-induced growth arrest.  (+info)

(3/10320) A new rapidly growing mycobacterial species, Mycobacterium murale sp. nov., isolated from the indoor walls of a children's day care centre.

Scotochromogenic mycobacterial isolates from water-damaged parts of indoor building materials of a children's day care centre represented a phenetically and genetically distinct group of strains. A 16S rDNA dendrogram (1243 bp) showed that the closest species to the new strain MA112/96T was Mycobacterium abscessus. Phylogenetic and phenetic analyses (100 characteristics) grouped the new isolates with M. abscessus, Mycobacterium vaccae, Mycobacterium aurum and Mycobacterium austroafricanum. Ribotyping with Pvull restriction distinguished the 5 isolates from the other 12 most closely related species by the major bands at 6.5-7 kb and 13-15 kb. The cell morphology of the new isolates was typical of mycobacteria, electron microscopy revealed a triple-layered cell wall with an irregular electron-dense outer layer. They grew at 10-37 degrees C, with no growth at 45 degrees C in 5 d. The gene encoding the secreted 32 kDa protein, specific to mycobacteria, was detected by PCR. The main whole-cell fatty acids were characterized by high tuberculostearic acid 10Me-C18:0 (17% at 28 degrees C), which increased with increasing growth temperature (22% at 37 degrees C). The other main fatty acids were C18:1 cis9 and C16:0 (21-20% each), followed by, C17:1 cis9 (14%), C16:1 cis10 (8%) and also a high amount of C20 alcohol (9%). alpha-Mycolic acids, keto-mycolates and wax esters were present (C60-C90), MK-9(H2) (90%) and MK-8(H2) were the main menaquinones. The cellular phospholipids were phosphatidylethanolamine, phosphatidylinositol, phosphatidyl inositolmannosides and diphosphatidylglycerol. Polyamine content was low. G+C content was 72.9 mol%. The new isolates are proposed as a new species, Mycobacterium murale sp. nov. The type strain is MA112/96T (= DSM 44340T).  (+info)

(4/10320) Treponema brennaborense sp. nov., a novel spirochaete isolated from a dairy cow suffering from digital dermatitis.

A novel Treponema species was isolated from an ulcerative lesion of a cow suffering from digital dermatitis (DD), a disease which causes painful ulcerations along the coronary band. Among other anaerobic bacteria, high numbers of spirochaetes have been regularly found in DD lesions. Here data are presented of a spirochaete isolated from a DD ulcer. By chemotaxonomy, protein analysis and comparative 16S rDNA sequence analysis this isolate was classified as a treponeme that differed from all Treponema species described previously. The only isolate, DD5/3T, for which the name Treponema brennaborense is proposed, is designated the type strain of the novel species. The strain is a small, highly motile spirochaete that has two periplasmic flagella, one flagellum being attached at each cell pole. Strain DD5/3T exhibits alpha-glucosidase and N-acetyl-beta-glucosaminidase activity and growth is inhibited by rabbit serum. T. brennaborense was phylogenetically most closely related (89.5% 16S rRNA similarity) to Treponema maltophilum, an oral spirochaete isolated from a periodontitis patient.  (+info)

(5/10320) RFLP of rRNA genes and sequencing of the 16S-23S rDNA intergenic spacer region of ammonia-oxidizing bacteria: a phylogenetic approach.

It has been established that 16S rRNA gene-based phylogeny gives a low resolution between members of the chemoautotrophic ammonia-oxidizing bacteria (AOB) belonging to the beta-subclass of the Proteobacteria. In this study, 12 isolates of AOB were ribotyped, and the sequences of the 16S-23S rDNA intergenic spacer region (ISR) were determined and used in a phylogenetic study. 16S and 23S rDNA ribotyping revealed that the AOB studied contain only one rrn operon per genome, in contrast to most bacteria, which have 5-10 copies of the rRNA genes per genome. It is likely that the presence of only one set of rRNA genes is related to the slow growth of the AOB. The 16S and 23S rRNA genes of the AOB were shown to be arranged in the classical way: a 16S rRNA gene, an ISR and a 23S rRNA gene. Despite the close phylogenetic relationship among the AOB, the relative location of the rRNA genes in the genome appears to vary considerably. The size of the ISR was approximately 400 bp in the Nitrosomonas isolates and 645-694 bp in the Nitrosospira isolates, suggesting a species-specific size difference in the ISR. The ISR contained two potential tRNA genes in the 5' end in all isolates studied. The similarity values between the ISR sequences of the AOB are low (42.9-96.2%) compared with the 16S rDNA sequence similarity values, and therefore the ISR sequences are valuable as a complementary phylogenetic tool in combination with 16S rRNA gene sequences. The phylogenetic analysis of the AOB based on ISR sequences confirms the 16S rRNA gene-based phylogeny but has the benefit of giving a higher resolution.  (+info)

(6/10320) New genus-specific primers for the PCR identification of members of the genera Pseudonocardia and Saccharopolyspora.

Members of the family Pseudonocardiaceae are difficult to identify on the basis of their micromorphology only. The biochemical characterization of each new isolate is a painstaking and time-consuming task which cannot always be undertaken when handling large numbers of strains as is the case in natural product screening programmes. In this study, two sets of genus-specific oligonucleotides were designed which allow rapid detection of members of the genera Pseudonocardia and Saccharopolyspora by means of PCR-specific amplification. The genus specificity of these primers was validated on a wide range of collection strains and the primers were subsequently used to study a group of 106 wild-type isolates that possessed morphological characteristics of the family. Out of this group, 51 strains could be identified as members of the genus Pseudonocardia and only nine isolates could be assigned to the genus Saccharopolyspora. The diversity indicated by whole-cell fatty acid profiles of both wild-type and reference strains was compared with that identified using the oligonucleotide primers. The partial 16S rDNA sequencing of representative wild-type strains was used to validate their genus assignment by PCR-specific amplification. This study shows the industrial usefulness of the application of these direct identification tools as well as the complementary use of two sources of data, PCR-specific amplification results and fatty acid composition, to assess the diversity of a microbial population.  (+info)

(7/10320) Reclassification of Brevibacterium oxydans (Chatelain and Second 1966) as Microbacterium oxydans comb. nov.

Phylogenetic and chemotaxonomic analyses indicate that Brevibacterium oxydans is closely related to species of the genus Microbacterium, namely Microbacterium liquefaciens, Microbacterium luteolum and Microbacterium saperdae. DNA-DNA reassociation values of less than 60% between Brevibacterium oxydans and these three Microbacterium species support the distinctness of this misclassified Brevibacterium species, which is reclassified as Microbacterium oxydans comb. nov.  (+info)

(8/10320) Reclassification of Brevibacterium incertum (Breed 1953) as Desemzia incerta gen. nov., comb. nov.

Phylogenetic analysis of 16S rDNA indicates that Brevibacterium incertum is not a member of the genus Brevibacterium but related to species of the genus Carnobacterium. Hence, Brevibacterium incertum is not a member of the class Actinobacteria but belongs to the phylogenetically defined broad Bacillus-Lactobacillus cluster. Based upon properties that taxonomically clearly distinguishes Brevibacterium incertum from species of the phylogenetic sister genus Carnobacterium, Brevibacterium incertum is reclassified as Desemzia incerta gen. nov., comb. nov.  (+info)



sequences


  • Origin and relationships of Saintpaulia (Gesneriaceae) based on ribosomal DNA internal transcribed spacer (ITS) sequences. (omicsonline.org)
  • Chirita spadiciformis W. T. Wang) were examined using comparative nucleotide sequences from the two internal transcribed spacers (ITS) of nuclear ribosomal DNA. (omicsonline.org)
  • We determined DNA sequences of SSU rRNA genes in twenty-nine polyneopteran insect species and aligned these with homologues from eight other insects. (wiley.com)
  • The relationships among mitosporic fungi with cheiroid conidia in the genera Cheiromoniliophora, Dictyosporium, Kamatia and Pseudodictyosporium were investigated using sequences of small ribosomal subunit (SSU), internal transcribed spacer regions (ITS) and the 5′ portion of the large ribosomal subunit (LSU) of RNA. (hku.hk)
  • A new algorithm reveals hoards of preparation-induced DNA mutations in publicly available human sequences. (the-scientist.com)
  • There are indications that a segement of 23 residues in rat L19 is related to sequences of the same length in Escherichia coli ribosomal proteins L30, L18, and S2. (eurekamag.com)
  • The relationships of the coelacanth Latimeria chalumnae: evidence from sequences of vertebrate 28S ribosomal RNA genes. (angelo.edu)
  • A preliminary overview of the Diaporthales based on large subunit nuclear ribosomal DNA sequences. (wikipedia.org)
  • Comparison of nuclear ribosomal DNA sequences from Alternaria species pathogenic to crucifers. (wikipedia.org)

subunit


  • Surprisingly, the results from analyses utilizing three DNA markers (mitochondrial 16S ribosomal DNA, cytochrome oxidase subunit I, and the internal transcribed spacer of ribosomal DNA) showed the presence of at least eleven species, of which up to four appear undescribed. (hindawi.com)

genes


  • In this context, we investigated the contribution of ribosomal genes to genome reshuffling since they are generally located in pericentromeric or subtelomeric regions, and form repeat clusters on different chromosomes. (biomedcentral.com)
  • A drug that blocks an immune checkpoint protein effectively treats tumors in patients with deficient DNA repair genes. (the-scientist.com)

nuclear


  • In keeping with a recently described function of the proteasome in the repair of DNA double-strand breaks, we found that Cut8 is also required for DNA double-strand break repair and is essential for proper chromosome segregation in the absence of Rqh1, suggesting that these proteins might function in a common pathway in homologous recombination repair to ensure accurate nuclear division in S. pombe. (ox.ac.uk)
  • However, recent research utilizing different mitochondrial and nuclear DNA markers has allowed researchers to begin to reassess zoanthid species identification [ 9 , 10 ]. (hindawi.com)
  • Evidence from plastid and nuclear ribosomal DNA. (wikipedia.org)
  • 1994. Nuclear ribosomal DNA variation and pathogenic specialization in Alternaria fungi known to produce host-specific toxins. (wikipedia.org)

rDNA


  • Real-time quantitative PCR method was used to show that the internally transcribed spacer (ITS-1) region of ribosomal DNA (rDNA) levels are proportional to Ascaris egg cell numbers, increasing as eggs developed from single cells to mature larvae and ultimately reaching a constant level per egg. (readabstracts.com)

polymerase


  • Is the Subject Area "DNA polymerase" applicable to this article? (plos.org)
  • Single-stranded complementary DNA synthesized from an RNA template by the action of RNA-dependent DNA polymerase. (jove.com)

sequence


  • The covalent structure of rat ribosomal protein L19 was inferred from the sequence of nucleotides in a recombinant cDNA and confirmed from the sequence of amino acids in a portion of the protein. (eurekamag.com)
  • Evolutionary relationships of the blennioid fish families Clinidae, Labrisomidae, and Chaenopsidae: congruence among DNA sequence and allozyme data. (angelo.edu)
  • Two ascomycete classes based on fruiting-body characters and ribosomal DNA sequence. (wikipedia.org)
  • Diatom species have long been identified based on their ornate siliceous frustule, or cell covering, and recently, based on DNA sequence variation. (biomedcentral.com)

genome


  • An analysis of human cancer genome projects uncovers a counterintuitive loss of ribosomal gene copies. (the-scientist.com)
  • AcrIIA4, an inhibitor protein from the Listeria bacteriophage, can block DNA from binding to Cas9 during genome editing. (the-scientist.com)

phylogeny


  • Ribosomal DNA and the phylogeny of frogs. (angelo.edu)
  • Phylogeny of Alternaria fungi known to produce host-specific toxins on the basis of variation in internal transcribed spacers of ribosomal DNA. (wikipedia.org)

clusters


evolutionary


  • In agreement with recent studies, these results suggest that additional factors such as modifications of the epigenetic state of DNA may be required to trigger evolutionary plasticity. (biomedcentral.com)

molecular


  • Ribosomal protein L19 contains 196 amino acids and has a molecular weight of 26,971. (eurekamag.com)
  • cDNA (i.e., complementary DNA, not circular DNA, not C-DNA) is used in a variety of molecular cloning experiments as well as serving as a specific hybridization probe. (jove.com)

markers


  • Systematics of North American Arctic Diploid Puccinellia (Poaceae): Morphology, DNA Content, and AFLP Markers. (wikipedia.org)

reveals


  • A new study reveals how Neanderthal DNA in the genomes of present-day British people influences their traits. (the-scientist.com)

cell


  • Fission yeast Cut8 is required for the repair of DNA double-strand breaks, ribosomal DNA maintenance, and cell survival in the absence of Rqh1 helicase. (ox.ac.uk)

analysis


  • A systematic analysis of the Saxifraga nivalis complex (Saxifragaceae) in the Canadian Arctic using morphology and chloroplast DNA data. (wikipedia.org)

Repair


  • Here, we show that rad3 rqh1 mutants are normally committed to a lethal pathway of DNA repair requiring homologous recombination, but blocking this pathway by Rhp51 inactivation restores viability. (ox.ac.uk)