Primers used for fingerprinting of PKS and NRPS genes.
Type | Primer name | Target gene | Size (bp) | Annealing (°C)* | Reference | |
---|---|---|---|---|---|---|
Type I PKS | K1F | PKS-I ketoacyl synthase (KS) domains and methyl malonyl transferase domains/PKS-I, KS-AT fragments | TSAAGTCSAACATCGGBCA | 65 | [10] | |
M6R | CGCAGGTTSCSGTACCAGTA | |||||
PKS-I-A | KS domains | GCSATGGAYCCSCARCARCGSVT | 700 | 60 | [21] | |
PKS-I-B | GTSCCSGTSCCRTGSSCYTCSAC | |||||
KSMAF | Beta-KS domain | TSGCSATGGACCCSCAGCAG | ~700 | 68 | [22] | |
KSMBR | CCSGTSCCGTGSGCCTCSAC | |||||
KSI1f | Beta-ketosynthase domains | GCI ATGGAYCCICARCARMGIVT | 700 | 50 | [9] | |
KSI2r | GTICCIGTICCRTGISCYTCIAC | |||||
Type II PKS | 540F | Partial KS genes of Type II PKS | GGITGCACSTCIGGIM TSGAC | 68 | [23] | |
1100R | CCGATSGCICCSAGIGAGTG | |||||
KSα | PKS-II, KSα and KSβ domains/designed to target conserved sequences | TSGRCTACRTCAACGGSCACGG | 600–700 | 58 | [24] | |
KSβ | TACSAGTCSWTCGCCTGGTTC | |||||
NRPS | A3F | NRPS adenylation domains/alignments of ketosynthase, acyltransferase and adenylation sequences | GCSTACSYSATSTACACSTCSGG | 65 | [24] | |
A7R | SASGTCVCCSGTSCGGTAS | |||||
MTF2 | Adenylation A domain of NRPS | GCNGGYGGYGCNTAYGTNCC | 1,000 | 60 | [24] | |
MTR | CCNCGDATYTTNACYTG |
*Annealing temperature was modified based on the results of preliminary experiments for this study.