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Fig. 4 | BMC Genomics

Fig. 4

From: Quadruplex DNA in long terminal repeats in maize LTR retrotransposons inhibits the expression of a reporter gene in yeast

Fig. 4

Effect of G4 on expression of lacZ gene in yeast. a Comparison of protein expression of lacZ reporter gene cloned downstream of LTR with mutated PQS and wild-type PQS. Red column is comparison of control mutation against wild-type. b Transcription start sites (TSS) determined by RACE. Both yeast and maize TSSs located upstream of G4 sequence are shown by blue and red arrows, respectively. The G4 sequence in DNA plus strand (green cube) is transcribed into mRNA (blue or red cubes)

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