What is the explanation behind bacterial transcripts amongst plant transcriptome data?

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David Cohen

As far sa I know, some bacterial transcripts can be polyadenylated

see the following paper : "Polyadenylation and Degradation of RNA in Prokaryotes" by Régnier and Marujo (2000)

http://www.ncbi.nlm.nih.gov/books/NBK6253/

Subhojit Sen

Oligo dT enrichment is never absolute. I agree with David Farringdon's answer. Secondly, one must check how the RNA was prepared. Plants have both Chloroplast and mitochondrial genomes as well.... both of which are of bacterial origin. The transcripts in there do follow bacterial regulation paradigms.