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Topic: CDNA library


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In the News (Thu 24 Dec 09)

  
  CDNA library - Wikipedia, the free encyclopedia
Referred to as cDNA these reverse transcribed mRNAs are collectively known as the library.
A cDNA library is also important for analysis through bioinformatics.
This cDNA library could then be used as a probe for DNA microarrays or as a clonal inserts into bacteria chromosomes.
en.wikipedia.org /wiki/CDNA_library   (332 words)

  
 Xenopus cDNA Library Information   (Site not responding. Last check: 2007-10-13)
Library was constructed by C. Hashimoto, Ph.D., in the laboratory of K. Cho, Ph.D. (Department of Developmental and Cell Biology, University of California, Irvine).
Library is subtracted and was constructed by N. Garrett, E Bellefroid, and A.M. Zorn, (Wellcome/CRC Institute).
Library was size-selected for >1.5 kb fragments for an average insert size of 1.92 kb.
image.llnl.gov /image/html/xenopuslib_info.shtml   (4212 words)

  
 Screening a cDNA Library   (Site not responding. Last check: 2007-10-13)
cDNA library screening allows detection of expressed genes for subsequent cloning and sequencing.
Choose the appropriate library for when you expect your message of interest is expressed.
Titer the library to determine the concentration of infectious phage.
www.cbs.umn.edu /~kclark/protocols/library.html   (141 words)

  
 Mouse cDNA Library Information   (Site not responding. Last check: 2007-10-13)
This is a long-transcript enriched cDNA library (Ref. Genome Res.
Tissue was obtained from the Jim Lin lab at the University of Iowa, library construction by Maria de Fatima Bonaldo and M. Bento Soares (University of Iowa) for the NIH Brain Mouse Anatomy (BMAP) Project.
Library construction by Maria de Fatima Bonaldo and M. Bento Soares (University of Iowa) for the NIH Brain Mouse Anatomy Project (BMAP).
image.llnl.gov /image/html/muslib_info.shtml   (9344 words)

  
 Re: What is a cDNA library?
Genomic libraries exist for all organisms commonly used in the lab, and consist of enzymatically digested chromosome fragments spliced into various vectors and placed in various cells depending on the size of the fragments (phage libraries in bacteria for small fragments to YAC libraries in yeast for huge fragments).
cDNA libraries are simpler to construct, because cDNA's, like their parental mRNA's, are already fairly short, so an entire cDNA can be spliced into a single vector.
The reason you need to make a library is that cells produce tens of thousands of different mRNA's at a time, so that after using RT to make cDNA, you still have a massive pool of different cDNA's with which to work.
www.madsci.org /posts/archives/aug97/869070443.Ge.r.html   (664 words)

  
 Development and Neurobiology: Genetics of Childhood Disorders: FISH
The library will contain many copies of the most common housekeeping genes as these genes are abundantly expressed and many copies of their RNA messages were originally present when the RNA was isolated to make the library.
However, the fetal cDNA library would also contain unique messages that are likely to be involved in the early development of the cerebral cortex.
Screening a library in this fashion uses the genomic clone to bind to the cDNA that was actually transcribed from that region.
info.med.yale.edu /chldstdy/plomdevelop/genetics/99octgen.htm   (2314 words)

  
 ARS | Publication request: Characterization of a Normalized Cdna Library from Bovine Intestinal Muscle and Epithelial ...   (Site not responding. Last check: 2007-10-13)
Holstein dairy cattle from the BARC dairy herd were used to develop this library derived from small intestinal and colon tissues of a mature, lactating dairy cow and from small intestinal tissues of a neonatal calf.
This library of clones, containing transcripts of bovine genes expressed in the gut, serves as a valuable resource for scientists studying animal nutrition and health by a variety of different experimental approaches.
The objective of this study was to develop and characterize an intestine-specific cDNA library to examine the transcriptome of the bovine gut and identify expressed genes that influence ruminant nutrition and health.
ars.usda.gov /research/publications/Publications.htm?seq_no_115=168719   (589 words)

  
 Construction of Long-Transcript Enriched cDNA Libraries from Submicrogram Amounts of Total RNAs by a Universal PCR ...
The cDNAs were tagged by LL-Sal3, and amplified by the PCR condition VI with 1 µL of LL-Sal3A primer.
The cDNAs were tagged with LL-Sal4 and amplified by the PCR condition III with 1 µL of primer S. Lane 4, new method.
The cDNAs were tagged with LL-Sal4 and amplified by the PCR condition V with 1 µL of primer L. Comparison of size distributions of cDNA inserts between the short and long cDNA libraries.
www.genome.org /cgi/content/full/11/9/1553   (3842 words)

  
 [No title]
Compared to cDNA cloned nondirectionally, libraries made with this kit are twice as likely to make functional fusion proteins for antibody or expression screening.
Libraries can also be made directly into either the pBluescript II SK (+) vector, the pCMV-Script vector or the pAD-GAL4-2.1 vector.
After EcoR I adapters are ligated to cDNA, Xho I digestion produces vector-ready cDNA with EcoR I and Xho I compatible ends for cloning into any of the Lambda ZAP vectors.
www.stratagene.com /displayProduct.asp?productId=332   (411 words)

  
 Barley cDNA library
cDNA ligation: 100 hg of cDNA and 1 mg of vector
Supernatant heated at 70°C for 20 min; this is the “Low Amplification” library (L).
Supernatant heated at 70°C for 20 min; this is the “High Amplification” library (H).
www.life.uiuc.edu /bohnert/ricearray/ct9993.html   (211 words)

  
 BioChain-diagnosis, tissue section, protein lysate, mRNA, RNA, cDNA, genomic DNA, antibody
The cDNA libraries provided by BioChain are subjected to rigorous quality control testing to ensure they are of the highest quality.
Our high quality cDNA libraries are constructed by using an oligo dT primer-adapter and Moloney Murine Leukemia Virus Reverse Transcriptase (M-MLV RT) to prime and synthesize first strand cDNA from mRNA.
By cloning the cDNA directionally into this vector the cDNA clones can be expressed, detected by antibody screening and the libraries can be used to produce normalized or subtracted libraries.
www.biochain.com /biochain/shop2.aspx?sub_category=cDNA+Library   (257 words)

  
 Development of a porcine brain cDNA library, EST database, and microarray resource -- Nobis et al. 16 (1): 153 -- ...
Library normalization was performed using a modification of
Plasmid DNA from the original library (lane 1) and the normalized library (lane 2) was digested with Mlu1, separated on a 1% agarose gel, and blotted on a nylon membrane.
Normalized cDNA libraries from a porcine model of orthopedic implant-associated infection.
physiolgenomics.physiology.org /cgi/content/full/16/1/153   (4061 words)

  
 SGD-Methodology   (Site not responding. Last check: 2007-10-13)
The unamplified library is stable for three months at 4 °C with no more than 1/10 titer loss.The amplified library is stable at 4 °C over 0.3% chloroform with no more than 1/10 titer loss per year.
The library was submitted to Lawrence Livermore National Laboratory of DOE (Greg Lennon's group) by Libin Jia and the converted library was arrayed and sent to Washington University for EST sequencing.
Libin Jia of MGB/NHGRI tested the titer of the library and performed the in vivo excision, and converted the library from a phage form to a plasmid form, and examined certain clones from the converted library for insert size measurement and some analysis.
sgd.nia.nih.gov /methodology/method_details.html   (1264 words)

  
 EVROGEN
The main difference is that adapters used to synthesize starting cDNA for the TRIMMER-DIRECT kit are longer than those used to prepare starting cDNA for the TRIMMER kit.
The method involves denaturation-reassociation of cDNA, degradation of dsDNA fraction formed by cDNA encoding abundant transcripts and PCR amplification of the equalized ssDNA fraction.
A specific, suppression PCR-based approach, prevents reduction of the average cDNA length during PCR [4].
www.evrogen.com /p3_2.shtml   (505 words)

  
 Welcome to DNA Technologies Inc. Your Partner in Gene Technology   (Site not responding. Last check: 2007-10-13)
DTI offers high-quality customized cDNA libraries for the specific needs of fellow researchers.
The libraries can be made directionally and in the choice of vector for your special needs
The libraries can be made directionally and in the choice of vector for your specific needs
www.dnati.com /Services/cDNAlib.asp   (373 words)

  
 Energy Citations Database (ECD) - Energy and Energy-Related Bibliographic Citations
The construction of a cDNA library containing all genes without redundancy is one of the major technical challenges for biology.
Toward this goal, we have developed an equalized (normalized) cDNA library from mRNA pools derived from mouse embryos that cover the entire period of mouse ontogenesis.
Colony hybridization analyses with 11 genes showed the reduction of abundance variation from at least 6000-fold in the unequalized S-library to{approx} 33-fold in the EIII-library, which was constructed after three cycles of equalization procedure.
www.osti.gov /energycitations/product.biblio.jsp?osti_id=186090   (271 words)

  
 Cloning and Molecular Analysis of Genes   (Site not responding. Last check: 2007-10-13)
Thus cloning mRNA through a cDNA intermediate generates a cDNA library that represents the mRNA from that specific developmental stage.
Lambda or cosmid libraries are typically used for genomic libraries because you generally can clone an entire gene containing both the coding sequence and regulatory elements on a single clone.
One of the key elements required to identify a gene during cloning is a probe.
www.ndsu.nodak.edu /instruct/mcclean/plsc431/cloning/clone5.htm   (480 words)

  
 C:\MOSAIC\METHODS\TALBOT.html
Electrophorese on a 5% acrylamide gel, CDNA samples before and after digestion with restriction enzymes.
cDNA probes are made by carrying out a first strand cDNA reaction with 1 ug Poly(A+) RNA as per the recipe above.
This is essentially standard (kits available), but simply follow the first steps of the library protocol if in doubt.
wheat.pw.usda.gov /homepage/lazo/methods/misc/Talbot.html   (1198 words)

  
 Full-length cDNA Library Construction Using Lambda Recombination (GatewayTM Technology)   (Site not responding. Last check: 2007-10-13)
One application of this technology is the construction of directional cDNA libraries as Entry Clones.
The attB-adapted cDNA is then recombined with a Donor Vector (attP sites) to create the attL Entry Clone library.  Libraries constructed using this technology show that such recombination cloning of cDNA produces a higher quality library exceeding the standards seen using traditional cDNA library construction methods.
Unlike standard cDNA cloning protocols, this approach requires no restriction enzyme digestion of the cDNA to create unique ends suitable for directional cloning.  The recombination cloning reaction produces on average 1.3 million cfu/ng cDNA with average insert size of 2.3 kb and clone size ranging from 0.6-12 kb.
www.ornl.gov /TechResources/meetings/transcriptome2002/p24.html   (276 words)

  
 OriGene - Reagents & Tools - Rapid-Screen Arrayed cDNA Library Panels
Gene identification is increasing at a rapid pace, due in large part to technologies such as expressed sequence tag (EST) discovery and the wealth of sequence information produced by the Genome Sequencing Projects.
Once a gene is identified, a full-length CDNA clone is required to perform sequence and expression analyses and ultimately to discern gene function in vivo.
OriGene's Arrayed cDNA Libraries have been used and cited by a number of experts in the field.
www.origene.com /reagents_tools/rapid_screen/default.mspx   (168 words)

  
 Abstract for Universal RiboClone(R) cDNA Synthesis System
cDNA Synthesis System contains the reagents required for the synthesis of double-stranded cDNA from mRNA, and subsequent ligation into a suitable vector.
The system is based on the method described by Okayama and Berg, with modifications by Gubler and Hoffman.
The resulting cDNA preparation can then be cloned into a suitable vector.
www.promega.com /tbs/TM038/TM038.html   (88 words)

  
 Library, cDNA definition - Medical Dictionary definitions of popular medical terms
Library, cDNA definition - Medical Dictionary definitions of popular medical terms
Library, cDNA: A collection of DNA sequences generated from mRNA (messenger RNA) sequences.
This type of DNA library contains only DNA that codes for proteins and does not include any non-coding DNA.
www.medterms.com /script/main/art.asp?articlekey=13530   (157 words)

  
 ELibDesc.html   (Site not responding. Last check: 2007-10-13)
Description: This C. parvum cDNA library was prepared by Drs.
Directional cDNA was synthesized by first-strand priming with a Xho I-oligo d(T)
RNA was prepared using the Promega Poly A Tract kit and directional cDNA was synthesized by
medsfgh.ucsf.edu /id/cptags/ELibDesc.html   (377 words)

  
 Lark Technologies :: cDNA/EST Library Sequencing, Shotgun Library Sequencing, Complete Clone Sequencing, Single Pass ...
Lark offers a full range of services using high throughput PE Biosystems sequencers.
Lark begins the process by performing primer extensions on selected clones from a cDNA/EST library.
Data is produced using fluorescent chemistry on PE Biosystems automated sequencers to give 500 - 600 bases of edited sequence data per read.
www.lark.com /services/dna_sequencing.html   (515 words)

  
 [No title]
4) To titer phage library, thaw phage, and aliquot if it is a newly received library.
11) During prehybridization, label cDNA probe (purified insert) by random priming method (Pharmacia #27-9251-01).
Reconstitute reaction mix by adding 20 µl of ddH2O and place on ice for 5-60 min.
www.people.virginia.edu /~gwl6s/protocols/cdna.html   (1235 words)

  
 The Morton Hearing Research Group   (Site not responding. Last check: 2007-10-13)
Please note that the above link connects to a zipped file.
14,805 ESTs were generated from the Morton Fetal cochlear cDNA library.
Library was cloned unidirectionally, primed with oligo dT, NOT subtracted or normalized.
hearing.bwh.harvard.edu /estinfo.HTM   (234 words)

  
 Analysis of a Human Fungiform Papillae cDNA Library and Identification of Taste-related Genes -- Rossier et al. 29 (1): ...
Analysis of a Human Fungiform Papillae cDNA Library and Identification of Taste-related Genes -- Rossier et al.
Analysis of a Human Fungiform Papillae cDNA Library and Identification of Taste-related Genes
To this end, a fungiform papillae cDNA library
chemse.oxfordjournals.org /cgi/content/abstract/29/1/13   (301 words)

  
 [No title]
m ß ðŒ2 ð ó ðd…‡€†A‡Á ¿ÀËœ1ÿœ1ð?¿Sandð+ø óð6 ð ã ðT€T§%«g‚Ö³ƒ«g„Ö³…¿ƒ¿Àÿ?ðÅ* nY 𲟨\E. coli lawn is grown on agar plate and then overlayered with the recombinant phage library.¡]]ª, %ð ð ã ðT€ì¬%«g‚Ö³ƒ«g„Ö³…¿ƒ¿Àÿ?ð Œî  ðøŸ¨¢Wherever a single bacteriophage particle infects a bacteria cell, a plaque will form.
Start with a candidate protein DNA protein If a protein candidate has been identified for a genetic disease it can be used to make a probe to screen for the gene 1.
oligonucleotide probe purify the protein of interest partially sequence the protein find a region having amino acids with the fewest possible codons predict a DNA sequence that could represent a gene region encoding a portion of the protein synthesize a set of degenerate oligonucleotides for that region hybridize the labeled oligonucleotide to the phage library¡
www3.kumc.edu /jcalvet/PowerPoint/bioc801j.ppt   (910 words)

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