Genomics

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Effect of trmA on tRNA expression in Pseudomonas aeruginosa


ABSTRACT: Goal: to study the differences in P. aeruginosa tRNA expression resulted from absence of trmA, a tRNA m5U modifying enzyme. Results: In exponential-phase wild-type and trmA mutant cells, seven tRNAs comprised almost 50% of the total tRNA abundance (Gly-GCC, Arg-ACG, Ala-GGC, Asp-GTC, Gln-TTG, Leu-CAG, and Tyr-GTA), whereas Arg-CCT had the lowest expression (0.04-0.08%) of the tRNA pool. In the trmA mutant compared to the wild type, 3 genes were up-regulated, and 3 genes were down-regulated in the trmA mutant. Conclusion: This observation shows that the m5U modification affect certain tRNA expression in the tRNA pool in P. aeruginosa, even though it presents in all tRNA species.

ORGANISM(S): Pseudomonas aeruginosa

PROVIDER: GSE252634 | GEO | 2025/06/08

REPOSITORIES: GEO

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