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http://dx.doi.org/10.21037/qims-24-1242 | DOI Listing |
Quant Imaging Med Surg
December 2024
Department of Radiology, Yongchuan Hospital of Chongqing Medical University, Chongqing, China.
VideoGIE
November 2023
Royal Infirmary of Edinburgh, Edinburgh, United Kingdom.
Video 1Endoscopic management of Bouveret syndrome with electrohydraulic lithotripsy.
View Article and Find Full Text PDFMol Microbiol
February 2016
Department of Chemistry, University of Wisconsin-Madison, Madison, WI, USA.
During amino acid starvation, bacterial cells rapidly synthesize the nucleotides (p)ppGpp, causing a massive re-programming of the transcriptional profile known as the stringent response. The (p)ppGpp synthase RelA is activated by ribosomes harboring an uncharged tRNA at the A site. It is unclear whether synthesis occurs while RelA is bound to the ribosome or free in the cytoplasm.
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