Table 1.

Presence of RmInt1 and host elements (ISRm2011-2 and ISRm10-2) in the genome of S. meliloti isolates

Cluster	S. meliloti isolate	Location	ISRm2011-2*	ISRm10-2*
-	1021	Toulouse	12/2†	0/0†
-	GR4	Granada	12/9†	0/0†
-	CE31A	Uruguay	4/2†	1/1†
-	RMO17	Salamanca	13/0‡	ND
I	A1	Lodi	9/0	0/0
I	A2	Lodi	7/0	0/0
I	C1	Mix§	7/0	0/0
I	B4	Rome	10/0	0/0
I	B12	Rome	10/0	0/0
I	B11	Rome	11/0	0/0
II	C3	Mix§	12/7	0/0
II	B9	Rome	9/5	4/0
II	B1	Rome	9/5	4/0
II	B10	Rome	9/5	4/0
II	C10	Mix§	9/5	4/0
II	C4	Mix	12/7	7/3

^*Total number of the host elements/number of copies of the host element invaded by RmInt1.

^†Data obtained from reference ⁹.

^‡Data obtained from reference ³⁰.

^§Isolates from a mixture of Roma and Lodi soils as indicated in reference ³³. ND, Not determined.