Table 2 Number of GRC genes at varying levels of fragmentation identified in each nightingale species

From: Rapid gene content turnover on the germline-restricted chromosome in songbirds

Proportion of coding region found

Number of genes in L. megarhynchos

Number of genes in L. luscinia

Number of shared genes

Number of genes shared between nightingales and T. guttata

>0%a

160–178

117–149

85–135

16–18

>50%

81−93

63–89

39–77

11–14

>75%

49–56

36–54

24–49

9–12

>95%

22–29

17–27

10–27

6–7

  1. The lower bound of the given range is for genes identified in a species or both species with the relevant proportion present. The upper bound represents the number of genes with all potentially homologous regions. For genes shared between nightingales and T. guttata, the gene had to be reported as putatively on the T. guttata GRC5, but the completeness was not considered.
  2. aNote that genes had to have 25% of their coding region present in at least one species to be included.
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