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Initiation in Biological Dictionary

Initiator tRNA

... Initiator tRNAs are used exclusively for the initiation step of protein ... Ribosome- initiator tRNA complex as an intermediate in translation initiation in ... Mutants of Escherichia coli initiator ... in yeasts. ... initiator Met- tRNA , eukaryotic initiation factor 2 (eIF2), and ... ... wild-type and ...

Initiation Codon

... RNA respectively that are the start codon or initiation codon encoding the amino acid methionine ... interacts via base pairing with the mRNA initiation codon (AUG) ... initiation codon (coding for formyl-methionine and ...

SnRNA

... other academic journal articles, magazine ... U1 snRNA Regulates initiation of Transcription in Eukaryotes. ... Figure 4: U1 snRNA stimulates TFIIH-dependent abortive initiation by RNA polymerase II: ... ... of a primary small nuclear RNA ( snRNA ...

Ribosome binding site

... codon of mRNA that is AGGAGGU ... message. Ribosomal Binding Site . initiation factor ... ... found in the cytoplasm of living cells and serves as ... binding site , ... ribosome binding site on the mRNA, eukaryotic initiation begins with the ... ... adjacent tRNA binding sites on a ribosome ...

Reticulocyte Lysate

... has been depleted of ... ... tRNAf deacylase on polypeptide chain initiation in rabbit reticulocyte lysate ... in the regulation of protein ... nuclease-treated rabbit reticulocyte lysate system. ... of internal initiation sites in reticulocyte lysate . J Virol. ... As the rabbit ...

Transcription start site

... II in eukaryotes recognizes the start site ... TATA box and the transcription start site . This spacing is characteristic ... ... initiation factor interactions and transcription start site selection ... The Role of Human TFIIB in Transcription Start Site Selection in Vitro ...

TATA box

... of TATA Box -Binding Proteins: DNA Kinking is Stabilized by ... The TATA - box binding protein (TBP) is required for the accurate initiation of ... Next: A Variety of TATA - box Binding Proteins ... ...

Structural gene

... unit of inheritance in living organisms. ... Mouse protein-coding gene Eif2s3x. Represented by 612 ESTs from 166 cDNA libraries. ... initiation factor 2, subunit 3, structural gene X-linked. M. musculus ... operon ( ) n. A unit of genetic material that functions in a coordinated ...

Stem cell

... Editor. ... MicroRNA 92b Controls the G1/S Checkpoint Gene p57 in Human Embryonic Stem Cells ... ... dark side of stem cells . ... leukemia initiation in stem cells does not necessarily ... All archived Cell Stem Cell articles from a year or more ago are ... Publishes reports of novel ...

Start codon

... TAC and AUG denote sequences of DNA and RNA respectively that are the start codon or initiation codon encoding the amino acid methionine (Met) in eukaryotes and a modified Met (fMet) in prokaryotes. The most common start codon ...

Sigma Factor

... A sigma factor (σ factor ) is a prokaryotic transcription initiation factor that enables specific binding of RNA polymerase to gene promoters. Different sigma factors are activated in response to different ...

Secondary growth

... plants can have Secondary Growth . ... of cross sections for roots that show Secondary Growth . ... Secondary Growth in Roots. initiation of secondary growth occurs when ... Tomato roots do exhibit secondary growth , however they do not form a clear periderm. ... Secondary ...

RNAi

... ( RNAi ) or post-transcriptional gene silencing (PTGS) is a ... RNAi Is Discovered in Nematodes ... these models, RNAi includes both initiation ... Gene silencing by RNA interference ( RNAi ) literature and resources using selected links or top search and clustering engines. ... RNAi ...

RNA polymerase

... several different types of RNA polymerase are known, all catalyze the ... See also: Structure of RNA Polymerase , Interactions with Promoters, initiation ... ... adenovirus type 5-infected cells, RNA polymerase III transcription of a gene ... Although the RNA polymerase III transcripts ...

Ribosomal DNA genes

... Ribosomal DNA (rDNA) are sequences encoding ribosomal RNA. These sequences regulate amplification and transcription initiation and contain transcribed and nontranscribed spacer segments. The nucleolus consists of expanded chromosomal loops that carry ... ...

Recombination nodules

... complex and recombination nodules in wild-type Drosophila melanogaster females. ... Gene conversion, recombination nodules , and the initiation of ... Synaptonemal complex and recombination nodules in wild-type Drosophila melanogaster females. ... Recombination nodules in ...

Protein biosynthesis

... regulatory protein is involved in the ... IPR002409 Aflatoxin biosynthesis regulatory protein 380 - 401 ... ... the molecular details of the initiation of protein synthesis in eukaryotic cells. ... substrate recognition by the eIF2a protein kinases and the structure and ... ... know the most ...

Primer extension

... Apple II File (found on Golden Orchard Apple II CD Rom) ... open files with the extension . PRIMER you may not have ... MAPPING TRANSCRIPTION initiation SITES WITH PRIMER EXTENSION . The primer extension re action is used to determine the start site(s) of RNA ... ... primer ... How ...

Primase

... primer) complementary to a ssDNA template. ... DNA primase ( ¦dē¦en¦ā ′prī′mās ) ( cell and molecular biology ) An enzyme involved in the initiation of deoxyribonucleic acid Mouse protein-coding gene Prim1. Represented by 182 ESTs from 89 cDNA libraries. ... Mus musculus DNA primase , p49 ...

Preformation

... from the lab without a lot of jargon. ... said Theo, "You're thinking of preformation - the idea that an animal simply ... Preformation , the initiation and early development of organs one or more growing ... Preformation proceeds below ground through the remainder of the growing season ... Does ...

Phototropism

... was born in ... a Location Phototropism's Photostream ... phototropism . gravitropism. apical dominance. fruit development. abscission. root initiation ... Phototropism . Plant shoots display positive phototropism : when ... A look at plant hormones and the effects of phototropism and ...

Phosphorylation

... H3 phosphorylation levels are increased in ... A phosphorylation might be ... Protein phosphorylation is responsible not only for the initiation of mitosis ... A shows mitotic vimentin phosphorylation at Ser55, Ser71, and Ser72, which were ... Our results identify phosphorylation by ...

Periderm

... thesaurus, Word of the Day, and word games. Periderm development in the stem often starts in subepidermal Parenchyma cells. ... to the initiation of Periderm . Periclinal divisions in Parenchyma cells of ... The periderm is a superficial layer of cells which develops from the ...

Origin of replication

... fide origins of replication . ... In eukaryotes, one origin of replication occurs every 10-330 kb (compare with ... ... that following initiation at a particular origin of replication , DNA synthesis ... At each origin , two replication forks (oppositely oriented, as shown in ... ...

Okazaki fragments

... mismatched nucleotides in the 5′-end region of Okazaki fragments . ... Two model Okazaki fragments were prepared corresponding to a primary initiation ... The second model Okazaki fragment was identical to the first with the exception ... C. Okazaki Fragments Are Joined by the Action of ...

Monocistronic

... ... The monocistronic mRNA is not very abundant, but we have shown that an E7 ... Eukaryotic mRNAs are usually monocistronic and translational initiation occurs ... ... the P542 promoter, which putatively controls monocistronic expression of E7. The monocistronic mRNA is not very abundant, but ...

Mismatch repair

... Biochemistry ... Reconstitution of the mismatch repair reaction. 11/21/07 ... Protein roadblocks and helix discontinuities are barriers to the initiation of mismatch repair ... Models for mismatch repair . MMR in mammalian cells ... Abstract DNA mismatch repair (MMR) is an ...

Micropyle

... are discussed in the following places at Britannica. Assorted References reproduction in plants ( in angiosperm (plant): Ovules; ... initiation of the carpel wall, one or two integuments arise near the base of the ovule primordium, grow in a rimlike fashion, and enclose the nucellus, ...

Lateral meristem

... parent root; RC, ... the formation of lateral meristems earlier than NAA, but subsequently favoured root ... A–C, Transverse sections showing initiation of lateral meristem from ... Cork cambium—a lateral meristem that is responsible for secondary growth that ... Apical meristems are ...

Histone

... of the ... The European Bioinformatics Institute ... IPR003958 Transcription factor CBF/NF-Y/archaeal histone ... Histone H4. Transcription initiation factor IID, 18 kDa subunit ... This leads to the characteristic replacement of existing histone H3 protein by RI H3 forms. ... However, ...

Gene expression

... profiling or microarray analysis has enabled the measurement of ... For all living cells, regulation of gene expression by extracel ... initiation is the step in gene expression that is most highly ... ectopic expression experiments: What happens if the gene is expressed aberrantly? .....

Flanking region

... of terms from medicine, science and technology. ... flanking region . medical dictionary ... BioInfoBank Library :: 3' Flanking Region :: initiation of DNA replication at ... Mesh-terms: 3' Flanking Region ; Amino Acid Sequence; Base Sequence; Carrier ... BioInfoBank Library :: 3' ...

Fertilization

... embryo. Human fertilization is the union of a human egg and sperm, usually occurring in the ampulla of the fallopian tube. It is also the initiation of prenatal development. Scientists discovered the dynamics of human fertilization ... fertilization n. The act or process of initiating ...

Endosperm

... Website Gerhard Leubner seed biology lab: seed germination, dormancy, after-ripening, ß-1,3-glucanase, endosperm weakening, seed ... The initiation of endosperm is a definitive characteristic of angiosperms and ... In the coconut, the liquid endosperm contains important growth substances. ... ...

Deoxyribonucleotide

... Stable Isotopes:Catalog of Products: ... Individual Deoxyribonucleotide 5'-triphosphates are purified to >95% chemical ... ... between the initiation of DNA replication and deoxyribonucleotide synthesis. ... BA , Kohalmi SE (1991) Modulation of mutagenesis by deoxyribonucleotide levels. ... ...

Copy number control

... control number (non- repeatable) ... copy appears with 035 coded with a utility's NUC symbol and control number , ... Transcription initiation of the copy - number control and better-than-random ... as a regulator of plasmid genes for copy - number control and stable inheritance. .....

Cell cycle

... a protein that functions to block the cell cycle if the DNA is damaged. ... G1/S transition of mitotic cell cycle . • DNA replication initiation ... Cell division cycle 7 (CDC7) is a gene that codes for the protein Cdc7 kinase. ... doubling of its genome (DNA) in S phase ...

Alpha helix

... oxygen of ... Energetics of the structure of the four- alpha - helix bundle in proteins. ... Thermodynamics and mechanism of alpha helix initiation in alanine and valine peptides. ... Packing of alpha - helices : geometrical constraints and contact areas. J Mol Biol. ... Interactions between ...

Action potential

... Na+-K+ gate in ... A newer version of this article is available: see Action potential at Schools Wikipedia ... Typically action potential initiation occurs at a synapse, but may occur ... The action potential sequence is essential for neural communication. ... the system toward ...
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