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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
Pt 6
pubmed:dateCreated
2003-7-17
pubmed:databankReference
pubmed:abstractText
The gene coding for a tubulin has been isolated by the polymerase chain reaction and sequenced from 2 isolates of Neospora caninum (Nc-Liverpool and Nc-SweB1). The data show that the gene, as in Toxoplasma gondii, is single copy and contains 3 exons and 2 introns and is identical in sequence in the 2 isolates studied. Comparison of the predicted protein sequence shows it to be identical to the a tubulin protein encoded by the T. gondii gene. The majority of the nucleotide substitutions that have occurred during the evolution of the T. gondii and N. caninum genes from their common ancestor have occurred in the third codon position. A partial coding sequence for a tubulin was also obtained from Hammondia heydorni and compared to other a tubulin sequences from Apicomplexa. The results show the sequences of the T. gondii, N. caninum and H. heydorni a tubulin genes to be similar but not identical in sequence, thereby providing new evidence that N. caninum and H. heydorni are genetically distinct species.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jun
pubmed:issn
0031-1820
pubmed:author
pubmed:issnType
Print
pubmed:volume
126
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
561-9
pubmed:meshHeading
pubmed-meshheading:12866794-Amino Acid Sequence, pubmed-meshheading:12866794-Animals, pubmed-meshheading:12866794-Cercopithecus aethiops, pubmed-meshheading:12866794-Codon, pubmed-meshheading:12866794-Consensus Sequence, pubmed-meshheading:12866794-DNA, Complementary, pubmed-meshheading:12866794-DNA, Protozoan, pubmed-meshheading:12866794-Dogs, pubmed-meshheading:12866794-Exons, pubmed-meshheading:12866794-Introns, pubmed-meshheading:12866794-Likelihood Functions, pubmed-meshheading:12866794-Molecular Sequence Data, pubmed-meshheading:12866794-Neospora, pubmed-meshheading:12866794-Phylogeny, pubmed-meshheading:12866794-Polymerase Chain Reaction, pubmed-meshheading:12866794-RNA, Messenger, pubmed-meshheading:12866794-Sarcocystidae, pubmed-meshheading:12866794-Sequence Alignment, pubmed-meshheading:12866794-Tubulin, pubmed-meshheading:12866794-Vero Cells
pubmed:year
2003
pubmed:articleTitle
Characterization of an alpha tubulin gene sequence from Neospora caninum and Hammondia heydorni, and their comparison to homologous genes from Apicomplexa.
pubmed:affiliation
Department of Cell and Molecular Biology, University of Technology, Sydney, Westbourne St, Gore Hill, NSW 2065, Australia.
pubmed:publicationType
Journal Article