A Corynebacterium glutamicum mutant with a defined deletion within the rpIK gene is impaired in (p)ppGpp accumulation upon amino acid starvation

Wehmeier L, Brockmann-Gretza O, Pisabarro A, Tauch A, Pühler A, Martin JF, Kalinowski J (2001)
Microbiology 147: 691-700.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Abstract / Bemerkung
The rpIK gene of Corynebacterium glutamicum ATCC13032 comprises 438 nucleotides and encodes a protein of 145 amino acids with a molecular mass of 15.3 kDa. The amino acid sequence revealed extensive similarities to the large ribosomal subunit protein L11 from several Gram-positive and Gram-negative bacteria. The C. glutamicum rpIK gene is located downstream of secE, representing part of the protein export apparatus, and of nusG, encoding a transcription antiterminator protein. The rpIK gene is followed by an ORF homologous to rpIA encoding the 50S ribosomal protein LI. Northern analysis revealed that transcription of the rpIK-rpIA cluster resulted in two different transcripts of 1.5 and 0.6 kb. The 1.5 kb transcript corresponds to the entire rpIK-rpIA cluster and the short transcript originates from the rpIK gene. A C. glutamicum rplK mutant strain carrying a 12 bp in-frame deletion within rplK, which resulted in the loss of the tetrapeptide Pro-Ala-Leu-Gly in the L11 protein, was constructed. The mutant failed to accumulate (p)ppGpp in response to amino acid starvation and exhibited an increased tolerance to the antibiotic thiostrepton. Evidently, the C. glutamicum rplK gene is required for (p)ppGpp accumulation upon nutritional starvation.
Stichworte
(p)ppGpp; stringent response; spoT; relA; Corynebacterium
Erscheinungsjahr
2001
Zeitschriftentitel
Microbiology
Band
147
Seite(n)
691-700
ISSN
1350-0872
Page URI
https://pub.uni-bielefeld.de/record/1617736

Zitieren

Wehmeier L, Brockmann-Gretza O, Pisabarro A, et al. A Corynebacterium glutamicum mutant with a defined deletion within the rpIK gene is impaired in (p)ppGpp accumulation upon amino acid starvation. Microbiology. 2001;147:691-700.
Wehmeier, L., Brockmann-Gretza, O., Pisabarro, A., Tauch, A., Pühler, A., Martin, J. F., & Kalinowski, J. (2001). A Corynebacterium glutamicum mutant with a defined deletion within the rpIK gene is impaired in (p)ppGpp accumulation upon amino acid starvation. Microbiology, 147, 691-700. doi:0.1099/00221287-147-3-691
Wehmeier, L., Brockmann-Gretza, O., Pisabarro, A., Tauch, A., Pühler, A., Martin, J. F., and Kalinowski, J. (2001). A Corynebacterium glutamicum mutant with a defined deletion within the rpIK gene is impaired in (p)ppGpp accumulation upon amino acid starvation. Microbiology 147, 691-700.
Wehmeier, L., et al., 2001. A Corynebacterium glutamicum mutant with a defined deletion within the rpIK gene is impaired in (p)ppGpp accumulation upon amino acid starvation. Microbiology, 147, p 691-700.
L. Wehmeier, et al., “A Corynebacterium glutamicum mutant with a defined deletion within the rpIK gene is impaired in (p)ppGpp accumulation upon amino acid starvation”, Microbiology, vol. 147, 2001, pp. 691-700.
Wehmeier, L., Brockmann-Gretza, O., Pisabarro, A., Tauch, A., Pühler, A., Martin, J.F., Kalinowski, J.: A Corynebacterium glutamicum mutant with a defined deletion within the rpIK gene is impaired in (p)ppGpp accumulation upon amino acid starvation. Microbiology. 147, 691-700 (2001).
Wehmeier, L, Brockmann-Gretza, O, Pisabarro, A, Tauch, Andreas, Pühler, Alfred, Martin, JF, and Kalinowski, Jörn. “A Corynebacterium glutamicum mutant with a defined deletion within the rpIK gene is impaired in (p)ppGpp accumulation upon amino acid starvation”. Microbiology 147 (2001): 691-700.

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