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Porcine Lung Surfactant Protein B Gene (SFTPB): cDNA Sequencing, Chromosomal Location, and Expression Studies

The porcine surfactant protein B ( SFTPB ) is a single copy gene on chromosome 3. Three different cDNAs for the SFTPB have been isolated and sequenced. Nucleotide sequence comparison revealed six nonsynonymous single nucleotide polymorphisms (SNPs), four synonymous SNPs and an in-frame deletion of 6...

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Published in:Animal biotechnology 2008-01, Vol.19 (3), p.127-137
Main Authors: Cirera, S., Fredholm, M.
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Language:English
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description The porcine surfactant protein B ( SFTPB ) is a single copy gene on chromosome 3. Three different cDNAs for the SFTPB have been isolated and sequenced. Nucleotide sequence comparison revealed six nonsynonymous single nucleotide polymorphisms (SNPs), four synonymous SNPs and an in-frame deletion of 69 bp in the region coding for the active protein. Northern analysis showed lung-specific expression of three different isoforms of the SFTPB transcript. The expression level for the SFTPB gene is low in 50 days-old fetus and it increases during lung development. Quantitative real-time polymerase chain reaction (qPCR) showed significant down regulation of the SFTPB in pigs with Actinobacillus pleuropneumoniae lung infection.
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subjects Actinobacillus Infections - genetics
Actinobacillus Infections - metabolism
Actinobacillus Infections - veterinary
Actinobacillus pleuropneumoniae
Alternative Splicing
Amino Acid Sequence
Animals
Base Sequence
Chromosomes, Mammalian - genetics
DNA, Complementary - isolation & purification
Gene Expression Regulation
Lung - metabolism
Lung - microbiology
Molecular Sequence Data
Physical Chromosome Mapping
Pneumonia, Bacterial - genetics
Pneumonia, Bacterial - metabolism
Polymerase Chain Reaction
Polymorphism, Single Nucleotide
Protein Isoforms - genetics
Pulmonary Surfactant-Associated Protein B - genetics
qPCR
Sequence Alignment
Sequence Analysis, DNA
Sequence Deletion
SFTPB
SNP
Sus crofa
Sus scrofa - genetics
Swine Diseases - genetics
Swine Diseases - metabolism
Swine Diseases - microbiology
title Porcine Lung Surfactant Protein B Gene (SFTPB): cDNA Sequencing, Chromosomal Location, and Expression Studies
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