Table 1. Selected components for DGGE analysis.

Segment	Primers	Variants	GenBank accession N°	Amplicon size (bp)
5	GIMSEG-5 4F – GIMSEG-5 1R	Insert	EU130923	164
		No insert (Q266)	EU851044	131
		No insert (L266)	GU830907	131
6	GIMSEG-6 2F – GIMSEG-6 5R	HPR0	EU118820	189
		HPR2	AF391126	129
		HPR5	DQ785254	126
		HPR7b	FJ594319	120
		HPR8	AY973192	117