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Table 4 Statistical test for the enrichment of FSFs in taxonomic groups using hypergeometric distribution for sampled viruses and bacteria

From: Giant viruses coexisted with the cellular ancestors and represent a distinct supergroup along with superkingdoms Archaea, Bacteria and Eukarya

Comparison k n M N P-value Comment
Sampled viruses
ABEV_ABE 229 304 557 1739 9.80E-67 Overrepresented
BEV_BE 33 304 291 1739 0.0012 Underrepresented
BV_B 1 304 163 1739 1.80E-13 Underrepresented
BEV_BE 33 304 291 1739 0.0012 Underrepresented
ABV_AB 2 304 36 1739 0.035 Underrepresented
AV_A 1 304 22 1739 0.079 Underrepresented
AEV_AE 7 304 31 1739 0.29 Overrepresented
EV_E 25 304 335 1739 5.50E-09 Underrepresented
Bacteria
ABEV_ABE 229 1312 557 1739 3.1E-111 Under-represented
BEV_EV 33 1312 25 1739 <0.0001 Over-represented
ABV_AV 2 1312 1 1739 <0.0001 Over-represented
ABE_AE 557 1312 31 1739 <0.0001 Over-represented
BE_E 297 1312 335 1739 9.9E-9 Over-represented
AB_A 36 1312 22 1739 <0.0001 Over-represented
BV_V 1 1312 6 1739 0.0044 Under-represented
  1. Significantly over-represented comparisons are highlighted in boldface.
  2. k, number of FSFs in viral taxonomic group; n, total number of FSFs in viral supergroup; M, number of FSFs cellular taxonomic group; N, total number of FSFs studied.