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. 2016 Oct 14;58(2):151–161. doi: 10.1007/s13353-016-0369-y

Table 2.

Specification of comparative mapping of the Pooideae subfamily according to a “round robin” rule

Species B. distachyon H. vulgare S. cereale T. aestivum Ae. tauschii Ae. speltoides T. urartu ×Triticosecale F. pratensis L. perenne
No. of rDNA loci 35S 2 loci; 5S 2 loci 35S 4 loci; 5S 8 loci 35S 2 loci; 5S 4 loci 35S 4 loci; 5S 12 loci 35S 2 loci; 5S 4 loci 35S 4 loci; 5S 2 loci 35S 4 loci; 5S 4 loci 35S 6 loci; 5S 10 loci 35S 2 loci; 5S 2 loci 35S 7 loci; 5S 2 loci
B. distachyon Centromeric regions + 2 signals of 35S rDNA 4 signals of 35S rDNA (NOR chromosomes 6 and 7) Telomeric regions + 2 signals of 35S + 4 signals of 5S rDNA Telomeric regions + 4 signals of 35S rDNA Telomeric regions + 2 signals of 35S rDNA 4 signals of 35S + 2 signals of 5S rDNA, centromeric regions Telomeric regions + 4 signals of 35S rDNA Telomeric regions + 6 signals of 35S + 10 signals of 5S rDNA Telomeric regions + 2 signals of 35S rDNA Telomeric regions + 7 signals of 35S rDNA
H. vulgare 35S rDNA Chromosome labeling + centromeric regions Chromosome labeling + 2 pericentromeric signals in chromosomes without rDNA loci Chromosome labeling, in some chromosomes lack of signals in centromeric and terminal regions Labeling of chromosome segments Chromosome labeling + pericentromeric signals Chromosome labeling + 2 pericentromeric signals Pericentromeric signals in 14 chromosomes of B genome Chromosome labeling + 2 signals of 35S rDNA Chromosome labeling + 7 signals of 35S rDNA
S. cereale Strong dispersed signals + 2 signals of 35S + 2 signals of 5S rDNA Centromeric regions Chromosome labeling + telomeric regions Chromosome labeling and signals in chromosomes without rDNA loci Chromosome labeling + 6 terminal signals in chromosomes without rDNA loci Chromosome labeling without terminal regions, 4–5 signals in chromosomes without rDNA loci Chromosome labeling Labeling of 14 chromosomes (genome R) Weak chromosome labeling + 2 signals of 35S rDNA Strong, dispersed signals
T. aestivum 35S rDNA + 5S rDNA + telomeric regions + centromeric regions Pericentromeric regions Very weak chromosome labeling without NORs and telomeric regions Chromosome labeling Chromosome labeling Chromosome labeling without terminal regions + pericentromeric signals Chromosome labeling without terminal regions (1 arm in 2 chromosomes) Labeling of 28 chromosomes (genomes A and B), very weak labeling of 14 R-genome chromosomes Chromosome labeling + 2 signals of 35S rDNA 7 signals of 35S rDNA
Ae. tauschii 35S rDNA + telomeric regions + centromeric regions Chromosome labeling Chromosome labeling without telomeric regions Chromosome labeling Chromosome labeling + telomeric regions + signals in chromosomes without rDNA loci Chromosome labeling without terminal regions Chromosome labeling (8 chromosomes with stronger intensity) Chromosome labeling, 14 chromosomes with stronger intensity (genome B) Weak chromosome labeling + 2 signals of 35S rDNA Chromosome labeling + 5 signals of 35S rDNA
Ae. speltoides 2 signals of 35S + 2 signals of 5S rDNA + centromeric regions Pericentromeric regions + centromeric regions Chromosome labeling without terminal regions 14 signals of 5S rDNA, centromeric regions in 14 chromosomes of B genome Chromosome labeling + 2 terminal signals in 1 pair without rDNA loci Chromosome labeling + pericentromeric regions Chromosome labeling without terminal regions in 1 pair Labeling of 14 chromosomes (genome B) Chromosome labeling + 2 signals of 35S rDNA Weak chromosome labeling + 7 signals of 35S rDNA
T. urartu 2 signals of 35S rDNA Chromosome labeling without terminal regions Chromosome labeling without terminal regions Chromosome labeling, 14 chromosomes with stronger intensity (genome A) Chromosome labeling without terminal regions Chromosome labeling without terminal regions Chromosome labeling Chromosome labeling (A genome - strong signals, B - weaker intensity, R - very weak labeling) Weak chromosome labeling + 2 signals of 35S rDNA Weak chromosome labeling + 7 signals of 35S rDNA
×Triticosecale 35S rDNA + 5S rDNA + strong dispersed signals Pericentromeric regions Chromosome labeling without 2 NORs + telomeric regions Chromosome labeling without terminal regions, centromeric regions and 2 NORs Chromosome labeling without terminal regions and NORs Chromosome labeling of selected regions + pericentromeric signals Chromosome labeling (6 chromosomes with stronger intensity; 2 chromosomes without labeling of terminal regions) Chromosome labeling 2 signals of 35S rDNA Chromosome labeling
F. pratensis 35S rDNA + centromeric regions Chromosome labeling + centromeric regions Chromosome labeling without terminal regions Weak dispersed signals Dispersed signals + telomeric regions (not in all chromosomes) Chromosome labeling without terminal regions and interstitial block in chromosome 5 Chromosome labeling Chromosome labeling Chromosome labeling Chromosome labeling
L. perenne 2 signals of 35S + 2 signals of 5S rDNA + telomeric regions Chromosome labeling + 4 signals of 35S rDNA Chromosome labeling without terminal regions + 2 signals of 35S rDNA 4 signals of 35S rDNA + telomeric regions 2 signals of 35S + 2 signals of 5S rDNA + telomeric regions + weak dispersed signals 4 signals of 35S + 2 signals of 5S rDNA 4 signals of 35S rDNA + terminal signals in 2 chromosomes + dispersed signals Chromosome labeling + 6 signals of 35S rDNA Strong, distinct signals Chromosome labeling without terminal regions in 1 pair

Columns = chromosome preparations; rows = gDNA probes