To survive organisms must defend themselves against pathogens. Classical Major Histocompatibility Complex (MHC) genes play a key role in pathogen defense by encoding molecules involved recognition. MHC gene diversity influences the variety of pathogens individuals can recognize and respond to has consequently been popular genetic marker for disease resistance ecology evolution. However, is pred...

Immunoglobulin M (IgM) is the primary antibody in fish, which transported from epithelial cells into external secretion system by polymeric immunoglobulin receptor (pIgR). In this study, full length of IgM and pIgR complementary DNA sequences leopard coral grouper (Plectropomus leopardus) was characterized, their expression levels under Vibrio harveyi infection were studied. cDNA sequence analy...

Details are presented of the in vitro synthesis of double-stranded DNA complementary to purified Xenopus globin messenger RNA, using a combination of reverse transcriptase, fragment 'A' of E. coli DNA polymerase 1 and S1 endonuclease. After selection of duplex DNA molecules approaching the length of Xenopus globin messenger RNA by sedimentation of the DNA through neutral sucrose gradients, the ...

A complementary DNA encoding DNA-dependent ATPase Q1 possessing DNA helicase activity, which is the major DNA-dependent ATPase in human cell extracts, was cloned from a cDNA library of human KB cells. The predicted amino acid sequence has seven consecutive motifs conserved in the RNA and DNA helicase super family and DNA helicase Q1 belongs to DEXH helicase family. A homology search indicated t...

• BLAST – Basic Local Alignment Search Tool (an algorithm for comparing biological sequences, such as the amino-acid sequences of different proteins or the DNA sequences*) • cDNA – complementary DNA (DNA synthesized from a mature mRNA template*) • EST – expressed sequence tag (short sub-sequence of a transcribed protein-coding or non-protein coding DNA sequence*) • FASTA – " FAST-All " (sequenc...

Mouse liver poly(A)+mRNA was reverse transcribed using oligo-p(dT) or random oligonucleotides as primers to yield cDNA about equal to the mass of the template RNA. The size profile of the oligo-p(dT)-primedd cDNA was similar to that of the template RNA. RNA or cDNA driven saturation annealing of labeled single copy genomic DNA (scDNA) showed that 2% of the scDNA was complementary in either case...

Background: The molecular interactions of hepatitis C virus (HCV) with hepatic tissue have yet to be completely elucidated and understood. The purpose of this study was to compare differential gene expression patterns in the livers of non-transgenic and transgenic mouse model expressing HCV structural proteins Core, Envelope 1 (E1) and Envelope 2 (E2) using complementary DNA (cDNA) microarrays....

A cDNA complementary to the mRNA of the ADP/ATP carrier from Neurospora crassa was identified among ordered cDNA clones by hybridizing total polyadenylated RNA to pools of 96 cDNA recombinant plasmids and subsequent cell-free translation of hybridization-selected mRNA. Further carrier cDNAs were found by colony filter hybridization at a frequency of 0.2-0.3%. The gene of the carrier was cloned ...