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Des - Evolution of Developmental Genes
Des - Evolution of Developmental Genes

... • Differential expression of a gene depending on parent of origin • Imprinted genes are functionally haploid • Gene is vulnerable if mutation occurs • So why did imprinting evolve? • IGF2 and Neuronatin are both imprinted developmental genes ...
Can the Origin of the Genetic Code Be Explained - BIO
Can the Origin of the Genetic Code Be Explained - BIO

... association…In attempting to establish a connection between aptamers and codons one assumes that the aptamers are the product of random sequence; that is, if there is a bias to be discovered, it should be a bias imposed by nature and not by man. [17] Have Yarus et al. introduced such biases into the ...
Figure 1000G Allele Frequencies
Figure 1000G Allele Frequencies

... S1. [11] had another rule for transcripts containing more than two 3’UTRs in the transcript. However, we observed that the stop codons in Ensembl gene annotation did not follow this particular rule, so we eliminated this rule and simply followed rule 2 if there was more than one 3’ UTR. c. Eukaryoti ...
Tissue or cell-specific promoters
Tissue or cell-specific promoters

... Figure 8: Specific neural stem cells expression of nestin or α-Internexin promoters. 9 weeks old C57Bl/6 mice were injected stereotactically with both lentiviral vectors into the subventricular zone of the brain. At day 7, the brains were sectionned and the corresponding sections were dissociated fo ...
msb145697-sup-0001-Supp_Info
msb145697-sup-0001-Supp_Info

... various steps of the experimental flow. The R-sector includes most of the r-proteins which together form one complex, ribosome. Similar behaviors of this large group of proteins in terms of noise could cause the observed large variation for the R-sector. ...
Gene Section PKM2 (pyruvate kinase isoenzyme type M2) in Oncology and Haematology
Gene Section PKM2 (pyruvate kinase isoenzyme type M2) in Oncology and Haematology

... dissociates to the dimeric form. Dimerization of M2PK is induced by direct interaction with different oncoproteins, i.e. pp60v-src, A-Raf and HPV-16 E7. The importance of M2-PK for oncogenesis is further underlined by the impairment of the oncogenic activity of activated A-Raf (gag-A-Raf) by a kinas ...
Chemically Mediated Site-Specific Proteolysis. Alteration of Protein
Chemically Mediated Site-Specific Proteolysis. Alteration of Protein

... of T4 RNA ligase. After incubation at 37 °C for 45 min, the reaction was quenched by the addition of 0.1 volume of 3 M sodium acetate, pH 5.2, and the tRNA was precipitated with 2.5 volumes of cold ethanol, collected by centrifugation, washed with 70% ethanol, and dried. The product was redissolved ...
Strong association between mRNA folding strength and protein
Strong association between mRNA folding strength and protein

... Thus, strong mF probably does not improve the translation efficiency of a gene directly. It is plausible that the observed correlation is due to lesserunderstood features of gene expression. One plausibility is related to self-folding versus aggregation of mRNA molecules. If self-intramoleculer fold ...
REPLI-g WTA Single Cell Handbook
REPLI-g WTA Single Cell Handbook

... Gene expression analyses often require large amounts of cDNA or RNA. Whole transcriptome amplification (WTA) overcomes limited RNA availability by enabling the analysis of a very small number of cells. The REPLI-g WTA Single Cell Kit offers researchers unique WTA chemistry that enables investigation ...
Word document
Word document

... steroid hormone receptors and their associated coregulators function have often been based on studies of transiently expressed reporter genes which lack native chromatin structure. It has become clear in recent years that the ability of steroid hormone receptors to activate transcription of endogen ...
Genome segment 5 of Antheraea mylitta cytoplasmic polyhedrosis
Genome segment 5 of Antheraea mylitta cytoplasmic polyhedrosis

... 2180 nucleotides, with one long ORF of 1818 nucleotides and could encode a protein of 606 amino acids with molecular mass of ~65 kDa (p65). Bioinformatics analysis showed presence of KLRS and HxnH motifs as observed in some other reoviral guanylyltransferase and suggests that S5 may encodes viral gu ...
The polymorphism in MUC1 gene in Nelore cattle
The polymorphism in MUC1 gene in Nelore cattle

... Mucin genes are characterized by the unusual presence of intragenic repeats within the transcript. Most genes with variable number of tandem repeats (VNTR) in the coding region are surface proteins involved in cell–cell interactions. The quantitative alterations in the cell-surface phenotypes are ma ...
PPT
PPT

... dashes in the mRNA) and the landing site codon, GGA (white letters on green flag) are indicated. (B) Intra-mRNA pairing drags mRNA initially from both the 5' and 3' directions to allow formation of the 5' stem-loop. Occupancy of the A-site by the mRNA structure precludes entry by release factor 1 (p ...
Word Pro - Sezutsu.lwp
Word Pro - Sezutsu.lwp

... chi-like sequence. In the Apf gene, the AGG amino acid triplet corresponds to a chi-like sequence. The near lack of chi in the Rff gene may be associated with the much lower content of Ala residue in the NPABs. Fibroins are important candidates for the production of transgenic silkworms that would s ...
tRNA-derived short RNAs bind to Saccharomyces cerevisiae
tRNA-derived short RNAs bind to Saccharomyces cerevisiae

... we did not observe significant stress-dependent changes in the amounts of tRNA fragments pool, we have shown the differential processing of almost all individual tRNA isoforms. The mode of gene expression regulation by tRNA cleavage is not well understood yet, but similarly to its biogenesis it seem ...
Characterization of the Cobalamin (Vitamin B12) Biosynthetic Genes
Characterization of the Cobalamin (Vitamin B12) Biosynthetic Genes

... Salmonella spp. None of these enzymes is vital or appears to have a unique value under the anaerobic conditions required for cobalamin synthesis. These enzymes are as follows. (i) Homocysteine methyltransferases catalyze the final step in methionine synthesis. Both a cobalamin-dependent (metH) enzym ...
Small aminoacyl transfer centers at GU within a larger RNA
Small aminoacyl transfer centers at GU within a larger RNA

... seem possible at the frequent GU sequences dispersed throughout an RNA tertiary structure. In fact, such activity is easily detected and varies more than 2 orders in rate, probably being faster at sites with less structural constraint. Analysis of a particular constrained active site in an rRNA tran ...
Identification of prokaryotic homologues indicates an endosymbiotic
Identification of prokaryotic homologues indicates an endosymbiotic

... have been an early function of alternative oxidases (Gomes et al., 2001). AOX is a low molecular weight mitochondrial protein (approximately 34 kDa) that is encoded in the nucleus. The enzyme is translated as a precursor protein with a mitochondrial targeting sequence that is removed during import i ...
Avian Infectious Bronchitis Virus (IBV)
Avian Infectious Bronchitis Virus (IBV)

... is included in the same reaction mixture which consists of a DNA probe labeled with a 5`dye and a 3`-quencher. During PCR amplification, the probe is cleaved and the reporter dye and quencher are separated. The resulting increase in fluorescence can be detected on a range of real-time PCR platforms. ...
16_Lecture_Presentation
16_Lecture_Presentation

... Make a pellet; they found that the radiolabeled DNA Was found in the bacteria but not any of the radioLabeled protein because the bacteria “ingested” the viral DNA ...
A SOLUBLE RIBONUCLEIC ACID INTERMEDIATE IN PROTEIN
A SOLUBLE RIBONUCLEIC ACID INTERMEDIATE IN PROTEIN

... ATP, these latter compounds could be largely removed by reprecipitation Upon subseof the enzymes at pH 5 from dilute solution, as described. quent incubation of this reprecipitated fraction, the leucine label was rapidly lost from the RNA unless ATP was added (Table I). The equivalent effect of a nu ...
RNA–Amino Acid Binding - University of Colorado-MCDB
RNA–Amino Acid Binding - University of Colorado-MCDB

... structural data for RNA-bound amino acids within riboswitches, aptamers, and RNPs, chemical principles governing specific RNA interaction with amino acids can be deduced. Such principles, which we summarize in a ‘‘polar profile’’, are useful in explaining newly selected specific RNA binding sites fo ...
Gene Section JUND (proto-oncogene) Atlas of Genetics and Cytogenetics in Oncology and Haematology
Gene Section JUND (proto-oncogene) Atlas of Genetics and Cytogenetics in Oncology and Haematology

... JUND is a member of the JUN family of basic region leucine zipper (bZIP) DNA-binding proteins. Analysis of the protein expression levels demonstrated an opposite expression pattern between JUN and JUND. When cells entry into the G0 phase of the cell cycle by serum starvation, JUN level decreases and ...
Discovery of Paralogous Nuclear Gene Sequences Coding for the
Discovery of Paralogous Nuclear Gene Sequences Coding for the

... taxa, and some synonymous changes may be informative at certain levels of the tree. Agosti, Jacobs, and DeSalle (1996) suggested that nucleic acid sequences and their translated amino acid codings could be combined to address this problem. We performed combined, as well as separate, amino acid and D ...
RNA 3`-terminal phosphate cyclases and cyclase
RNA 3`-terminal phosphate cyclases and cyclase

... Chakravarty and Shuman [39] extended the known substrate specificity of RtcA even further. They demonstrated that at the slow rate the E. coli RtcA can convert, in a reaction involving an RctA-AMP covalent intermediate, the 5’-phosphates in RNA and DNA into A5’pp5’N structures. This modification opt ...
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Transcriptional regulation

In molecular biology and genetics, transcriptional regulation is the means by which a cell regulates the conversion of DNA to RNA (transcription), thereby orchestrating gene activity. A single gene can be regulated in a range of ways, from altering the number of copies of RNA that are transcribed, to the temporal control of when the gene is transcribed. This control allows the cell or organism to respond to a variety of intra- and extracellular signals and thus mount a response. Some examples of this include producing the mRNA that encode enzymes to adapt to a change in a food source, producing the gene products involved in cell cycle specific activities, and producing the gene products responsible for cellular differentiation in higher eukaryotes.The regulation of transcription is a vital process in all living organisms. It is orchestrated by transcription factors and other proteins working in concert to finely tune the amount of RNA being produced through a variety of mechanisms. Prokaryotic organisms and eukaryotic organisms have very different strategies of accomplishing control over transcription, but some important features remain conserved between the two. Most importantly is the idea of combinatorial control, which is that any given gene is likely controlled by a specific combination of factors to control transcription. In a hypothetical example, the factors A and B might regulate a distinct set of genes from the combination of factors A and C. This combinatorial nature extends to complexes of far more than two proteins, and allows a very small subset (less than 10%) of the genome to control the transcriptional program of the entire cell.
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