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Topic: DNA library

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DNA replication

DNA sequences

mitochondrial DNA

DNA DNA hybridisation

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DNA testing

junk DNA

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DNA motif

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Noncoding DNA

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	Genome Glossary
		DNA molecule originating from a virus, a plasmid, or the cell of a higher organism into which another DNA fragment of appropriate size can be integrated without loss of the vector's capacity for self-replication; vectors introduce foreign DNA into host cells, where the DNA can be reproduced in large quantities.
		Use of a DNA or RNA probe to detect the presence of the complementary DNA sequence in cloned bacterial or cultured eukaryotic cells.
		A subunit of DNA or RNA consisting of a nitrogenous base (adenine, guanine, thymine, or cytosine in DNA; adenine, guanine, uracil, or cytosine in RNA), a phosphate molecule, and a sugar molecule (deoxyribose in DNA and ribose in RNA).
	www.ornl.gov /sci/techresources/Human_Genome/glossary/glossary.shtml (6574 words)

	[9B] Genomic and cDNA Libraries
		DNA library is is a collection of cloned DNA fragments.
		It is basically the cloning of all DNA fragments representing the entire genome.
		A probe is a piece of DNA or RNA used to detect specific nucleic acid sequences by hybridization (binding of two nucleic acid chains by base pairing).
	www.web-books.com /MoBio/Free/Ch9B.htm (656 words)

	BC Online: 3C - Language of DNA
		DNA fragments can be separated on the basis of some structural feature that differentiates the fragments from each other.
		Initially, a DNA containing a gene or regulatory sequence of interest is cut at specific places with an enzyme called a restriction endonuclease, or restriction enzyme for short.
		Using recombinant DNA technology, the gene that encodes the protein can be altered at one or more nucleotide, in a way which would either change one or more amino acids, or add or delete one or more amino acids.
	employees.csbsju.edu /hjakubowski/classes/ch331/dna/oldnalanguage.html (3276 words)

	DNA and DNA-Protein Complexes (Site not responding. Last check: 2007-10-26)
		Mode of replication is bidirectional and the ss connections arising from synthesis on the lagging strand templates are situated in a trans position across the daughter strands.
		DNA can be released from bacteriophage P2 by gently cross-linked and spreading under conditions that tend to disrupt phage heads but leave phage tails intact.
		In 0026a.jpg: are shown examples of the initial unreacted substrate DNA and an end-to-end dimeric recombinant (A) and a Y-type recombinant intermediate, the top right arm corresponds to a monomeric unit while the other arms together arise from another monomer (B).
	www.biochem.wisc.edu /inman/empics/dna-prot.htm (2187 words)

	Recombinant DNA
		The collection of all the recombinant DNA containing phage which contains segments from the entire (human) genome is said to be a recombinant DNA library.
		In this protocol the cloned DNA is digested with a specific restriction enzyme or with a set of restriction enzymes and then the different restriction fragments are separated by size using gel electrophoresis.
		In a process similar to that for screening a library, the filter is treated to denature the DNA and then to anchor the DNA to the filter.
	www.dartmouth.edu /~cbbc/courses/bio4/bio4-1996/RecombinantDNA1.html (2198 words)

	All about DNA Revolution by Katherine Ramsland
		Barry Scheck and Peter Neufeld, from New York, were the DNA experts, renowned for their work on the Innocence Project, which used DNA analysis to defend the falsely accused.
		All three determined that the DNA in the drops of blood at the scene matched Simpson's.
		It may be that those attorneys made some serious errors, but the doubt by the defense about DNA was ludicrous and did some damage with the public to the credibility of this type of evidence.
	www.crimelibrary.com /criminal_mind/forensics/dna/1.html (1584 words)

	CDNA library - Wikipedia, the free encyclopedia
		A cDNA library is also important for analysis through bioinformatics.
		The advantage of a cDNA library is the introns are spliced out and the mRNA sequence can be used as a template to create DNA (via Reverse Transcriptase) to collect the preferred genes.
		Prokaryotic DNA is much shorter and mRNA is difficult to isolate so the genomic DNA library is preferred in this case.
	en.wikipedia.org /wiki/CDNA_library (397 words)

	Molecular Techniques
		DNA libraries are mixtures of different restriction enzyme-digested DNA molecules ligated into vectors.
		Libraries are constructed using the same general approach outlined above, except that instead of inserting one type of DNA fragment into the vector, there are thousands or even millions of different DNA fragments inserted into vector molecules.
		Bacteria transformed with the library can be grown in duplicate copies on plates and on filters in a way that individual bacterial colonies are produced, with each colony originating from a single bacterial cell, so all bacteria in a colony would contain the same recombinant DNA molecule, and therefore produce the same protein.
	www.emunix.emich.edu /~rwinning/genetics/tech2.htm (1587 words)

	BBC News \| UK \| DNA = Do Not Assume?
		Current DNA tests show that, for example, sperm in a rape case is "exceptionally unlikely" to have come from a source other than the perpetrator.
		Professor Shaw said the proposed library could mean that innocent people become suspects, just because their DNA is close to that of the offender.
		DNA fingerprinting involves isolating DNA from a cell, which is then treated with enzymes to break it into pieces.
	news.bbc.co.uk /1/hi/uk/541529.stm (757 words)

	rDNA: Creation of DNA Library
		The simplest example is that of genomic library construction - all you have to do is chop up total DNA extracted from somatic cells with restriction enzymes.
		DNA polymerase is used to synthesize the second DNA strand and this is initiated at various sites through the use of random hexamer nucleotide primers.
		These are broken down into amounts of DNA required to create single phage genomes during the packaging of this DNA to form viable phage particles.
	www.rvc.ac.uk /review/DNA_1/1c_DNA_Lib.cfm (384 words)

	DNA and Genome Sequencing Technology & Analytical Instrumentation - 454 Life Sciences™
		Genomic DNA (gDNA) is fractionated into smaller fragments (300-500 base pairs) that are subsequently polished (blunted).
		After nick repair, the non-biotinylated strand is released and used as a single-stranded template DNA (sstDNA) library.
		The sstDNA library is assessed for its quality and the optimal amount (DNA copies per bead) needed for emPCR™ is determined by titration.
	www.454.com /enabling-technology/dna-library-preparation.asp (125 words)

	library
		Since these pieces are random, we can use the overlapping sequences to assemble back to the starting DNA, which can be a cosmid, a recombinant lambda DNA, a DNA band isolated from a gel, total genome, etc. Explicitly, we employ a "linker-adaptor" methodology to avoid constructing unwanted chimeras during the ligation of insert to vector.
		The ligation reaction is bimolecular, whereas the reaction of linear HindIII -cleaved M13 RF DNA circularizing is monomolecular.
		The DNA insert and the vector are not in TE buffer.
	sequence-www.stanford.edu /protocols/library.html (4110 words)

	cDNA Library
		A complete or nearly complete set of all the mRNAs of a cell or organism is referred to as a cDNA library.
		One use that has been used extensively to demonstrate the power of a cDNA library is the introduction of mRNA into an organism that codes for luminescence.
		cDNA libraries are also used to probe for DNA microarrays, and to insert foreign DNA into bacterial chromosomes.
	www.iscid.org /encyclopedia/cDNA_Library (187 words)

	Pharmaceutical DNA glossary
		DNA, which consists of a polysugar- phosphate backbone possessing projections of purines (adenine and guanine) and pyrimidines (thymine and cytosine), forms a double helix that is held together by hydrogen bonds between these purines and pyrimidines (adenine to thymine and guanine to cytosine).
		DNA transposable elements include bacterial IS (insertion sequence) elements, Tn elements, the maize controlling elements Ac and Ds, Drosophila P, gypsy, and pogo elements, the human Tigger elements and the Tc and mariner elements which are found throughout the animal kingdom.
		DNA sequences encoding ribosomal RNA (RNA, RIBOSOMAL) and the segments of DNA separating the individual ribosomal RNA genes, referred to as ribosomal spacer DNA (DNA, RIBOSOMAL SPACER).
	www.genomicglossaries.com /content/DNA.asp (2858 words)

	BCH5425 Molecular Biology and Biotechnology (Site not responding. Last check: 2007-10-26)
		During replication, the phage DNA is produced in a concatameric form, which is cleaved by appropriate endonucleases to allow packaging of a single genome within the phage capsid.
		Once a library (cDNA or genomic) has been constructed we want to be able to identify clones which contain DNA of interest.
		Note that its important to keep track of the orientation of the nitrocellulose in relationship to the x-ray film (usually radioactive ink is used to identify the nitrocellulose orientation).
	wine1.sb.fsu.edu /bch5425/lect28/lect28.htm (1597 words)

	Plant DNA Library Leads to a Company
		The new collection of DNA libraries is the largest of its type in the world and will provide researchers with a unique resource.
		Firstly, there are genomic libraries from 20 different plant species, a far wider range than is available from other DNA library services.
		Genomic DNA libraries usually employ "restriction enzymes" to cut up the DNA but this method may preferentially select only certain regions of DNA and exclude other regions from the final plant "library".
	www.monsanto.co.uk /news/ukshowlib.phtml?uid=9007 (344 words)

	Biotechnology Recipe Analogy
		You locate the library (nucleus), the volume (chromosome) and page (gene) on which the recipe (DNA coded sequence) is found.
		According to the rules of this library, "xeroxing" (replicating) is out of the question as the xeroxing process in this library is only used if they have to recreate a duplicate library (mitosis or meiosis.
		You are free to transcribe the recipe (from DNA to mRNA) for the omelet (a particular protein) in your own handwriting on a piece of paper that is able to leave the library (mRNA leaving the nucleus, same information, different format.
	www.sci-ed-ga.org /modules/dna/anals/biotechrecipe.html (426 words)

	The DNA project
		So, ODEs solved in 1 minute in the official Maple 7 are solved in few seconds after installing the DNA libraries.
		DNA performs computations using significantly less memory too, from 1/10 to 1/10000, depending on the ODE problem.
		Single library ode-pde-dna7.zip with the latest ODEtools, PDEtools and DNA, where the DNA part will work only on windows, Linux and Sun.
	lie.uwaterloo.ca /dna.html (416 words)

	AMG Lecture 6
		Many types of DNA libraries are available commercially, but you still need to know how to find your gene of interest by library screening.
		The term "library walking" refers to the reiterative process of using terminal sequences of captured clones to rescreen the library in an attempt to isolate a new set of overlapping clones.
		Based on the restriction map of a plasmid DNA insert, it is possible to design a strategy to remove nucleotides from the termini, or within the cloned segment, using intramolecular ligation reactions.
	www.biochem.arizona.edu /classes/bioc471/pages/Lecture6/Lecture6.html (1390 words)

	FASTA/TFASTA/FASTX/TFASTX Users Manual
		fasta3 is used to compare a protein or DNA sequence to all of the entries in a sequence library.
		However, tfastx3 compares the protein sequence to the forward and reverse three-frame translation of the DNA library sequence, allowing for frameshifts.
		MARKX=4 displays a graph of the alignment of the library sequence with repect to the query sequence, so that one can identify the regions of the query sequence that are conserved.
	www.psc.edu /general/software/packages/fasta/manual/fasta.html (1749 words)

	Children's Hospital & Research Ctr. at Oakland's DNA library helps to map the sex chromosome
		March, 17, 2005- Oakland, CA.- Children's Hospital & Research Center at Oakland's DNA library was used to duplicate strands of DNA for an international team of scientists to generate the most complete analysis of the X chromosome.
		The DNA must be stabilized before it can be introduced into the bacterial cells.
		The hospital's recombinant DNA library has more than 20 million DNA samples that are used in research programs around the world.
	www.eurekalert.org /pub_releases/2005-03/chr-ch031605.php (424 words)

	SDSATC Cosmid Prep
		The amount of cosmid DNA prepared is modest, but is more than enough to make an M13 library.
		While most genomists focus on the various published biochemical procedures for preparing cosmid DNA, they overlook microbiology, and the microbiology is the most important part of preparing cosmid DNA.
		The contami nating RNA present will act as a carrier for the DNA precipitation, as the effi ciency of precipitation (recovery) is a (loose) function of nucleic acid mass (DNA and RNA).
	sequence-www.stanford.edu /protocols/cosmidprep.html (1912 words)

	genomic DNA library - Biocompare Forums
		Bacteria use methylation to prevent their own DNA from being degraded by restriction enzymes, which act as a defense mechanism against foreign DNA.
		If the species of DNA you are using to generate your library has a different methylation pattern (very possible), some strains of e.coli will degrade that DNA as it is foreign.
		My preparing DNA frangment, I use DNA at 4 ug, enzyme at 5 or 10 unit and incubation time is about 30 min.
	www.biocompare.com /forums/ViewThread.aspx?threadid=1478 (2066 words)

	Org DNA: Library of Readings
		This book describes the seven types of Organizational DNA and how to optimize the performance of each.
		Org DNA makes the sometimes "fuzzy" subject of corporate culture quantifiable and actionable, even for analytical types.
		The New CFO Role: It’s in the DNA, Financial Executive, July/August 2004
	www.orgdna.com /library.cfm (1094 words)

	Library - Family Tree DNA - we do genetic tests for your genealogy questions! (via CobWeb/3.1 planetlab2.tamu.edu) (Site not responding. Last check: 2007-10-26)
		Library - Family Tree DNA - we do genetic tests for your genealogy questions!
		Family Tree DNA - Genealogy by Genetics, Ltd.
		that Family Tree DNA recommends, from the beginner level to the advanced.
	www.familytreedna.com.cob-web.org:8888 /library.html (77 words)

	454 Life Sciences - Wikipedia, the free encyclopedia
		During the nucleotide flow, each of the hundreds of thousands of beads with millions of copies of DNA is sequenced in parallel.
		Genomic DNA is fractionated into smaller fragments (300-500 base pairs) that are subsequently polished (blunted).
		The bead-bound library is emulsified with the amplification reagents in a water-in-oil mixture.
	en.wikipedia.org /wiki/454_Life_Sciences (1209 words)

	AGCT (Site not responding. Last check: 2007-10-26)
		AGCT's Full Length cDNA Library Construction Service is the only one of its kind in the world, utilizing innovative methods to construct high-quality, truly full-length libraries.
		Our service will provide higher density target genes in the library, enabling you to quickly pinpoint the gene you want and sequence in a more time-efficient and cost-effective manner.
		A BAC library hosts up to one million large DNA fragments (100-200kb) in a stable sample of E. coli.
	www.agct.us (178 words)

	Defense Tech: EVERY SOLDIER SINCE '92 IN DNA LIBRARY
		"Inside a two-story freezer in a nondescript Maryland warehouse are DNA samples from nearly every person who has served in the U.S. military since 1992 - 4 million men and women," the Associated Press reports.
		The military used DNA testing selectively during the war, but didn't decide until later to make it a routine part of the identification process.
		Now, matching remains to DNA contained in smears of blood on index cards has become the military's gold standard for casualty identification.
	www.defensetech.org /archives/000356.html (147 words)

	DNA Lab: DNA Marker / Microsatellite Libraries \| Vizon SciTec Inc. (Site not responding. Last check: 2007-10-26)
		Genetic fingerprinting, population genetics, species identification, gene identification, and DNA mapping are some of the applications of our research services.
		Microsatellite DNA libraries are created using genomic DNA, BAC clones, or tissue provided by the client.
		We use DNA sequences provided by the client or prepare custom microsatellite DNA libraries.
	www.vizonscitec.com /ourservices/biotechnology/dnamarker.htm (216 words)

	Lecture 23 (Site not responding. Last check: 2007-10-26)
		If the colonies are given X-gal those without recombinant DNA will be blue (their gene works) and those with recombinant DNA will be white (their gene has been destroyed)
		If all of the DNA in the nucleus is cut up with restriction enzymes and made into plasmid recombinant DNA thousands of different fragments will be obtained
		This is called a genomic DNA library since it contains all of the DNA from the genome
	members.aol.com /BearFlag45/Biology1A/LectureNotes/lec23.html (664 words)

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