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Table 3 Correlation between breadth of expression and level of selective pressure, dN/dS.

From: Rates of evolution in stress-related genes are associated with habitat preference in two Cardamine lineages

Breadth typea C. impatiens C. resedifolia
Flower development -0.156 ****^ -0.156 ****^
Leaf development -0.115 ****^ -0.145 ****^
Organs -0.131 ****^ -0.135 ****^
Organ specificity τ 0.125 ****^ 0.113 ****^
UV-B stress 0.061 **§ 0.036 NS
Salt stress 0.057 **§ 0.070 ***§
Osmotic stress 0.039 * 0.057 **§
Drought stress 0.050 * 0.032 NS
Cold stress 0.043 * 0.052 **§
  1. * Spearman's P < 0.05, ** P < 0.01, *** P < 0.001, **** P < 0.0001, NS = non significant.
  2. ^ partial correlations are significant after correcting for the length of the A. thaliana orthologue.
  3. § significant after Holm-Bonferroni multiple test correction (only for stress responses, n = 10)
  4. a Breadth of expression can be either spatial (i.e., number of tissues in which a gene is expressed) or temporal (when a gene is expressed, during either development or stress exposure). Note that the organ-specificity index τ is inversely correlated with the number (breadth) of organs at which a gene is expressed.