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RAPD profiles generated by (A) P4 primer and (B) OPA2 primer for rhizosphere (VV/R1 to VV/R5) and endophytic (VV/E1 to VV/E5) Streptomyces sp. strains isolated from the root system of young grapevine plants. MW: GeneRuler 1kb DNA Ladder Plus (Thermo Fisher Scientific). Specific bands amplified from isolates VV/E1 and VV/R4 that were selected for SCAR markers design are indicated by arrows. NC (negative control).
