Table 1.

Oligonucleotides primers used in qPCR analysis.

Primer set	Sequence (5′–3′)	Target organisms	Primer location
Al 6S F.493	CACCGGCTAATTTCGTGC	Alcanivorax	481–498*
Al 6S R.659	ACCGGAAATTCCACCTCC	Alcanivorax	647–664*
U 1048f	GTGITGCAIGGIIGTCGTCA	Bacteria	1048–1068**
U1371	ACGTCITCCICICCTTCCTC	Bacteria	1352–1371**

^*Site on 16S rRNA gene of Alcanivorax borkumensis SK2 (S000018396);

^**Site on E.coli 16S rRNA gene.