Table 3:
Polyadenylated tRNAs in E. coli.
| tRNAs* | No of tRNA genes | Genotypes | Reference |
|---|---|---|---|
| Arg2 | 4 | Δrnt rph-1 | [18] |
| Asn | 4 | Δrnt rph-1 | [18] |
| Cys | 1 | Wild type, rph-1, Δrnt rph-1 | [12, 18] |
| Glu2 | 4 | Δrnt rph-1 | [18] |
| His | 1 | Wild type, rph-1, Δrnt rph-1 | [12, 18] |
| Leu1 | 4 | Δrnt rph-1 | [18] |
| Leu2 | 1 | rph-1, Δrnt rph-1 | [12, 18] |
| Leu3 | 1 | Δrnt rph-1 | [18] |
| Leu4 | 1 | Δrnt rph-1 | [18] |
| Leu5 | 1 | rph-1, Δrnt rph-1 | [13, 18] |
| Lys | 6 | Δrnt rph-1 | [18] |
| Met m | 2 | Δrnt rph-1 | [18] |
| Phe | 2 | Δrnt rph-1 | [18, 29] |
| Ser1 | 1 | Δrnt rph-1 | [18] |
| Ser3 | 1 | Δrnt rph-1 | [18] |
| Ser5 | 2 | Δrnt rph-1 | [18] |
| Tyr1 | 1 | Δrnt Δrnd Δrbn rph-1 | [31] |
| Tyr2 | 2 | Δrnt Δrnd Δrbn rph-1 | [31] |
| Val1 | 5 | Δrnt rph-1 | [18] |
| Val2A | 1 | Δrnt rph-1 | [18] |
| Val2B | 1 | Δrnt rph-1 | [18] |
Length of poly(A) tails associated with these tRNAs was in the range of 1–5 nucleotides based on either Northern analysis or sequencing of cDNAs.