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Topologically Non-linked Circular Duplex DNA
Topologically Non-linked Circular Duplex DNA

... Left-handed DNA has been known for many years (Mitsui et al., 1970; Ikehara et al., 1972; Pohl and Jovin, 1972; Pohl, 1976; Wang et al., 1979; Nordheim et al., 1981). It was first observed in synthetic copolymers. It is not considered to be the structure of purified DNA in solution for any DNA obtai ...
WSJ - Nov 2006 - Augie`s Quest
WSJ - Nov 2006 - Augie`s Quest

... speed, the TGen team paid clinics $400 per DNA sample. In three months, it had 1,250 of them. Human cells contain around six billion DNA "letters," dubbed A, G, C and T. The letters spell out genes, each of which tells the body to produce a particular protein. Although any two people's DNA is more t ...
Homology - a persona..
Homology - a persona..

... Gogarten has proposed a special term, synology, for those xenologs that arise, not by the transfer of a gene between two species, but by a hybridization of two species12. One might then question, given a successful hybrid, whether the two species are not effectively one and this is simply a case of ...
10 Day Lesson Plan - Joseph L. Anderson
10 Day Lesson Plan - Joseph L. Anderson

... investigator. This investigator and top genetic scientists from Russia and elsewhere began the task of identifying all of the remains. The Forensic team began their investigation by extracting the mtDNA (mitochondrial DNA) from the bones. Because Tsar Nicholas was related the Royal family of Britain ...
homolog of the agouti gene
homolog of the agouti gene

... These cross-hybridizing regions were subcloned and subjected to nucleotide sequence analysis using primers derived from the sequences of the individual mouse exons. This analysis revealed that each cross-hybridizing region of h20B1 contains sequence that is homologous with one of the three coding ex ...
Supplementary Information (doc 1084K)
Supplementary Information (doc 1084K)

... were rebuilt using fragments from known protein structures and a low-resolution force fieldxxxvi. Positions of calcium ions and calcium-coordinating backbone and side-chain atoms, on the full-sequence model, were inferred by homology to the structure of mouse CDH8. Structures were then refined using ...
Control of Chromosome Pairing and Genome Evolution in Disomic
Control of Chromosome Pairing and Genome Evolution in Disomic

... rate of evolution of allopolyploids. The question remains, does such rapid change occur in other new allopolyploids? Case study 2: allopolyploid wheat (Ozkhan et al. 2001) Ozkhan et al. (2001) specifically studied 8 DNA sequences that exist in all diploid wheat species, but are missing from all but ...
Gene Finding by Computational Analysis
Gene Finding by Computational Analysis

... as many known coding regions as possible, and at the same time excludes as many known non-coding regions as possible Copyright © 2004 by Limsoon Wong ...
Archives of Microbiology
Archives of Microbiology

... chosen because rpoN controls the synthesis of polar and lateral Xagella in Azospirillum (Milcamps et al. 1996). TEM showed that all strains, except the rpoN mutant, had a polar Xagellum in liquid medium (not shown) and both polar Xagellum and lateral Xagella when grown on solid surface (Fig. 2). Pre ...
Genome engineering of mammalian haploid embryonic stem cells
Genome engineering of mammalian haploid embryonic stem cells

... (NGG) and the 12 bp seed sequence at the 30 end of the sgRNA (Jinek et al., 2012). The importance of the remaining bases is less well understood and may depend on the binding strength of the matching sgRNA or the inherent tolerance of Cas9 itself. Therefore, we selected a 23-mer sequence (N21GG) fro ...
Information Encoding in Biological Molecules: DNA and
Information Encoding in Biological Molecules: DNA and

... Click Back to homepage ...
Using Gene Ontology Annotations to Interpret DNA Array Data
Using Gene Ontology Annotations to Interpret DNA Array Data

... Stefan Pierrou PhD, AstraZeneca Spotfire Users Conference 2001-05-03 ...
Phylogenetic Relationship Among Some Species of Bruchinae
Phylogenetic Relationship Among Some Species of Bruchinae

... predominant pests of this group. They cause maximum damage to the stored grains in the months of February to August when all its developmental stages co-exist. In this study 12SrRNA and 16SrRNA gene fragments were used to analyze the phylogeneytic relationship of two of these species i.e. Callosobru ...
Overview of splicing relevant databases - Stamm
Overview of splicing relevant databases - Stamm

... Alternative Splicing is the main mechanism allowing to increase the transcriptome diversity by generating multiple RNA isoforms from a single gene. This mechanism concerns Alternative splicing affects more than 90% of human genes and is altered in many diseases. In addition to the alternative splici ...
7. molecular genetics.
7. molecular genetics.

... Each time a somatic cell divides, two daughter cells are produced. Each of these cells receives an identical copy of the parent cell´s genetic information. ...
Functional and Evolutionary Analysis of Flowering Time Genes in
Functional and Evolutionary Analysis of Flowering Time Genes in

... (Muller 1936, Bridges 1936). Muller's statement: “Every gene from a preexisting gene” (1936), clearly shows that evolution by gene duplication was certainly considered at this time. Another Drosophila geneticist, Serebrovsky, proposed in 1938 that duplication “should result in a specialization of g ...
EOC Review #3 - christophersonbiology
EOC Review #3 - christophersonbiology

... Within an organisms body cells ...
Operon Comparison Chart
Operon Comparison Chart

... the repressor to activate it), which turns the operon OFF (so no more tryptophan is made) ...
papaya X-specific BACs monoica corresponding
papaya X-specific BACs monoica corresponding

...  The papaya X-specific region showed marked expansion compared to the ancestral autosome in monoica. The monoica autosome expanded compared to the corresponding autosomal BAC in papaya, consistent with genome size differences.  The expansion of the papaya X-specific region is largely due to the in ...
seq.
seq.

... Paralogs: “deepest” bifurcation in molecular tree reflects gene duplication. The study of paralogs and their distribution in genomes provides clues on the way genomes evolved. Gen and genome duplication have emerged as the most important pathway to molecular innovation, including the evolution of de ...
DNA for Defence Lawyers
DNA for Defence Lawyers

... graph (known as allelic drop-out or a null allele). A false positive or false negative reading can result. Mixtures: Three or more alleles at a locus indicate the presence of more than one contributor. It is often difficult to tell whether the sample originated from 2, 3 or 4 people. Statistical mod ...
The cleavage site of the restriction endonuclease
The cleavage site of the restriction endonuclease

... single digests by, respectively, Ava II, Alu I, Hin fl, Hae III and Hpa II. Tracks B,D,F and H are double digests by Ava II and, respectively, Alu I, Hin fl, Hae III and Hpa II. The DNA was stained with ethidium bromide and visualized with ultraviolet irradiation.(13) The densely stained material in ...
Jump to Terms beginning with: A B Ca-Cn Co
Jump to Terms beginning with: A B Ca-Cn Co

... transcriptional control based on the translation of a small leader peptide gene. A region adjacent to the structural genes of the trp (tryptophan) operon; in the presence of tryptophan this region acts to reduce the rate of transcription from the structural genes. ...
Kinetic MoDiversity of Hydrocarbon-Related Catabolic Genes in Oil
Kinetic MoDiversity of Hydrocarbon-Related Catabolic Genes in Oil

... anaerobic hydrocarbon-degrading micro-organisms in environmental samples [32], as well as to study the microbial community structure of sulfate-reducing enrichment cultures growing on petroleum hydrocarbons, where Desulfosarcina ovata was showed to be dominant [33]. bamA was also used as a biomarker ...
nucleotides.
nucleotides.

... { RNA is a nucleic acid polymer synthesized from ...
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Helitron (biology)

A helitron is a transposon found in eukaryotes that is thought to replicate by a so-called ""rolling-circle"" mechanism. This category of transposons was discovered by Vladimir Kapitonov and Jerzy Jurka in 2001. The rolling-circle process begins with a break being made at the terminus of a single strand of the helitron DNA. Transposase then sits at this break and at another break where the helitron targets as a migration site. The strand is then displaced from its original location at the site of the break and attached to the target break, forming a circlular heteroduplex. This heteroduplex is then resolved into a flat piece of DNA via replication. During the rolling-circle process, DNA can be replicated beyond the initial helitron sequence, resulting in the flanking regions of DNA being ""captured"" by the helitron as it moves to a new location.
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