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Updated: May 4, 2026

Site-Specific Lysine Lactylation via Genetic Code Expansion in E. coli and Mammalian Cells
Published on: February 24, 2026
Next-generation sequencing-based transcriptome analysis of L-lysine-producing Corynebacterium glutamicum ATCC 21300
Hong-Il Kim1, Jae-Young Nam, Jae-Yong Cho
1Department of Biomedical Chemistry, Konkuk University, Chung-Ju, 380-701, Republic of Korea.
Abstract:
In the present study, 151 genes showed a significant change in their expression levels in Corynebacterium glutamicum ATCC 21300 compared with those of C. glutamicum ATCC 13032. Of these 151 genes, 56 genes (2%) were up-regulated and 95 genes (3%) were down-regulated. RNA sequencing analysis also revealed that 11 genes, involved in the L-lysine biosynthetic pathway of C. glutamicum, were up- or down-regulated compared with those of C. glutamicum ATCC 13032. Of the 151 genes, 10 genes were identified to have mutations including SNP (9 genes) and InDel (1 gene). This information will be useful for genome breeding of C. glutamicum to develop an industrial amino acid-producing strain with minimal mutation.

