Abstract
Infection of Escherichia coli by bacteriophage T4 leads to the expression of three phage mono-ADP-ribosyltransferases (namely, Alt, ModA, and ModB), each of which modifies a distinct group of host proteins. To improve understanding of these interactions and their consequences for the T4 replication cycle, we used high-resolution two-dimensional gel electrophoresis and mass-spectrometry to identify some of the putative target proteins ADP-ribosylated in vitro by Alt (total ∼27) and ModB (total ∼8). E. coli trigger factor and the elongation factor EF-Tu were 2 targets of ModB action, and these proteins were among the 10 identified as targets of Alt, hinting that these factors are involved in phage replication.
| Original language | English |
|---|---|
| Journal | Biochemical and Biophysical Research Communications |
| Volume | 335 |
| Issue number | 4 |
| Pages (from-to) | 1217-1223 |
| Number of pages | 7 |
| ISSN | 0006-291X |
| DOIs | |
| Publication status | Published - 07.10.2005 |
Funding
The authors thank Jan Tkacz for a considerate discussion of the manuscript. We are grateful to E. Deuerling for her gift of purified E. coli trigger factor and to U. Aschke for excellent technical assistance. We gratefully acknowledge the financial support of the Deutsche Forschungsgemeinschaft by Grant RU 123-29-1.
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 3 Good Health and Well-being
Research Areas and Centers
- Academic Focus: Center for Brain, Behavior and Metabolism (CBBM)
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