Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.1/6140
Título: Gene activation and re-expression of a trypanosoma-brucei variant surface glycoptotein
Autor: Michiels, F.
Matthyssens, G.
Kronenberger, P.
Pays, E.
Dero, B.
Vanassel, S.
Darville, M.
Cravador, A.
Steinert, M.
Hamers, R.
Data: 1983
Editora: Oxford University Press
Resumo: The expression of the Trypanosoma brucei variant surface glycoprotein AnTat 1.1 proceeds by a mechanism that transfers a duplicated gene copy into a new genomic environment, the so-called expression site, where it will be expressed. We have isolated a genomic fragment containing the region spanning the expression site-transposon junction, and the 5' half of the coding sequence. Comparing this DNA segment with its template copy (basic copy) allowed us to identify the exact breaking point and indicated a base sequence which could be involved in initiating the transposition event. Sequencing data also indicated that the co-transposed segment 5' to the coding sequence is 430 bp in length. The extreme 5' end of the mRNA is derived from a region in the expression site not immediately adjacent to the transposed DNA segment. This particular sequence exists in multiple copies in the genome and is common to the mRNA of all variant surface glycoproteins so far analysed.
Peer review: yes
URI: http://hdl.handle.net/10400.1/6140
ISSN: 0261-4189
Aparece nas colecções:FCT2-Artigos (em revistas ou actas indexadas)

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