Table 2. Repetitive DNA family NicCL3 in the genomes of Nicotiana tabacum, N. tomentosiformis and members of the section Tomentosae.

accession	Southern hybridisation	number of FISH signals
N. tomentosiformis (TW142)	+	n.s
N. tomentosiformis (NIC 479/83)	+ (Fig. 3)	8 (Fig. 3 a, c)
N. tomentosiformis (Nee et al. 51771)	n.s	8
N. tabacum (SR1)	+ (Fig. 3)	8
N. tabacum (095-55)	+	8 (Fig. 3 h, e)
Th37a 1	–	n.s
3	+	2 (Fig. 3 b, d)
5	+ (Fig. 3)	n.s
6	+	n.s
7	+	2
8	+	n.s
9	n.s	–
14	n.s	2
TR1-A	n.s	8 (Fig. 3 j)
N. sylvestris	–	–
N. kawakamii	+	8 (Fig. 3 i)
N. otophora	–	–
N. tomentosa	trace amounts	–
N. setchellii	trace amounts	n.s
N. glutinosa	–	n.s

+Indicates a ladder like pattern following restriction digestion and Southern blot analysis.

n.s not screened.

–no signal detected.

^aGroups of Th37 plants as described in [24].