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. 2008 Dec 22;2(1):91–100. doi: 10.1111/j.1751-7915.2008.00062.x

Figure 3.

Figure 3

A. Gene organization of the clusters encoding the enzymes for the tryptophan biosynthesis pathway in P. putida KT2440. Genes involved in tryptophan biosynthesis appear in grey.
B. Transcriptional organization of the trp genes. Electrophoresis of cDNA amplified with primers G‐1/D‐1 (lane 1); D‐2/C‐1 (lane 3); A‐1/B‐1 (lane 5); truA‐1/trpF‐1 (lane 7). Lanes 2, 4, 6 and 8 corresponded to the negative controls without reverse transcriptase. M refers to molecular weight markers, whose sizes are on the left.