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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
5
pubmed:dateCreated
2006-2-14
pubmed:abstractText
About 10% of the coding capacity of the Mycobacterium tuberculosis (M. tb) genome is devoted to the PE/PPE family of genes scattered throughout the genome. We have identified 28 PE/PPE operons which are organized within the M. tb genome in such a way that most PE members are upstream to PPE members. One example of such a gene arrangement is the PPE gene Rv2430c, earlier shown by us to code for a highly antigenic protein eliciting strong B-cell responses in TB patients [Choudhary, R.K., Mukhopadhyay, S., Chakhaiyar, P., Sharma, N., Murthy, K.J.R., Katoch V.M. and Hasnain, S.E. (2003) PPE antigen Rv2430c of Mycobacterium tuberculosis induces a strong B cell response. Infect. Immun. 71, 6338-6343], situated downstream to PE gene Rv2431c. Rv2431c and Rv2430c are transcribed as an operon. Expression of either rRv2431c or rRv2430c alone in E. coli limited their localization to the inclusion bodies. However, when they were co-expressed, both the proteins appeared in the soluble fraction. These two proteins interact with each other and form oligomers when alone, however, when present together they exist as heteromer.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Feb
pubmed:issn
0014-5793
pubmed:author
pubmed:issnType
Print
pubmed:day
20
pubmed:volume
580
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1285-93
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
2006
pubmed:articleTitle
Clusters of PE and PPE genes of Mycobacterium tuberculosis are organized in operons: evidence that PE Rv2431c is co-transcribed with PPE Rv2430c and their gene products interact with each other.
pubmed:affiliation
Laboratory of Molecular and Cellular Biology, Centre For DNA Fingerprinting and Diagnostics, Hyderabad, AP 500 076, India.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't