TRANSCRIPTOME 2002: From Functional Genomics to Systems
The Detection of Env-Transcripts in Gossypium
Zaki, E.A., Abdel Ghany, Research Area Borg El Arab, Alexandria, EGYPT
Eukaryotic genomes harbor mobile genetic elements known as long terminal repeat (LTR) retrotransposons. LTR retrotransposons are closely related to the infectious and endogenous retroviruses, and they are collectively referred as LTR retroelements. The envelope (env) gene of the retroviruses, which is being responsible for their infective properties, distinguishes them from the LTR retrotransposons. We have previously reported plant retroelements with env-like genes in Gossypium. Here, we report the detection of env-encoded transcripts. The detection of env-encoded transcripts in the cotton genome promotes the initiative to employ these retroelements as a DNA vector for engineering novel cotton genotypes. A vector based on gypsy-like retrotransposons could be an important additional tool for the production of transgenic cotton plants with well-defined, foreign DNA inserts required for biosafety approval and commercialization.
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