Regrettably two errors occurred in the above publication(Reference Calame, Weseler and Viebke1). In Table 1, p. 1270. ‘Amino acid sequence’ should read ‘nucleotide sequence’: and in the Discussion on p. 1274, the second sentence in the second paragraph should read:
Table 1 Primers used within the present study to quantify the various (groups of) bacteria by means of real-time PCR
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There are various limiting factors in this approach: not only the correlation in the number and composition of bacteria between a faecal slurry sample and the gut lumen, but also the validity of the primers used: how reliable is the binding of the used nucleotide array to specific DNA in the stool.