Ontology highlight
ABSTRACT:
SUBMITTER: Samhita L
PROVIDER: S-EPMC4097586 | biostudies-literature | 2014 Jul
REPOSITORIES: biostudies-literature
Samhita Laasya L Nanjundiah Vidyanand V Varshney Umesh U
Journal of bacteriology 20140509 14
Multiple copies of a gene require enhanced investment on the part of the cell and, as such, call for an explanation. The observation that Escherichia coli has four copies of initiator tRNA (tRNAi) genes, encoding a special tRNA (tRNA(fMet)) required to start protein synthesis, is puzzling particularly because the cell appears to be unaffected by the removal of one copy. However, the fitness of an organism has both absolute and relative connotations. Thus, we carried out growth competition experi ...[more]