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Table 1 Total and class-specific relative proteolytic activity and its pH optimum range measured in fungus gardens.

From: Evolutionary patterns of proteinase activity in attine ant fungus gardens

Ant species Colony number Sample number Total activity pH optimum Metallo-proteinase activity pH optimum Serine proteinase activity pH optimum Aspartic proteinase activity Cysteine proteinase activity
Apterostigma collare Apcol1 - 630.0 ± 18.3   593.0 ± 13.3   1.7 ± 0.5   16.0 ± 1.0 0.8 ± 0.5
Myrmicocrypta ednaella Myred1 1 168.6 ± 9.5 6.2 ± 0.11 151.5 ± 6.4 6.0 ± 0.04 9.4 ± 1.0 7.0 ± 0.012 -- 9.3 ± 1.0
  Myred2 2 165.2 ± 9.2   104.0 ± 5.0   50.1 ± 6.3   -- --
Mycocepurus smithii Mycsmi9 3 114.0 ± 9.0 6.0 ± 0.11 101.6 ± 4.8 6.0 ± 0.1 5.3 ± 1.0   4.1 ± 1.0 3.6 ± 1.0
  Mycsmi15 4 136.6 ± 9.6   124.5 ± 8.7   6.7 ± 1.0   -- --
  Mycsmi32 5 153.0 ± 10.7   148.7 ± 8.5   2.8 ± 1.0   1.3 ± 1.0 --
Cyphomyrmex costatus Cycos6 6 65.2 ± 8.2   54.8 ± 5.0   5.9 ± 2.0   1.6 ± 1.0 1.6 ± 0.8
  Cycos9 7 61.3 ± 5.0 6.0 ± 0.11 47.4 ± 4.5 6.0 ± 0.08 3.3 ± 1.0   3.1 ± 1.0 3.7 ± 1.0
  Cycos16 8 112.5 ± 9.0   90.8 ± 4.3   19.0 ± 3.2   2.8 ± 1.0 --
Cyphomyrmex longiscapus Cylon12 9 131.5 ± 8.7 6.0 ± 0.09 106.9 ± 7.5 6.0 ± 0.1 18.9 ± 2.0   3.2 ± 1.0 3.2 ± 1.1
  Cylon5 10 140.6 ± 9.8   131.0 ± 5.2   6.4 ± 2.0   3.7 ± 1.0 --
  Cylon24 11 146.5 ± 9.0   132.5 ± 9.0   6.6 ± 2.4   5.2 ± 1.4 --
Sericomyrmex amabilis Serama8 12 210.0 ± 8.9 5.2 ± 0.015 48.1 ± 4.4 5.0 ± 0.1 108.1 ± 5.6 7.0 ± 0.075 30.0 ± 10.2 29.0 ± 6.4
  Serama7 13 194.1 ± 12.4   22.3 ± 3.5   130.5 ± 6.3   30 ± 8.8 26 ± 7.2
  Serama12 14 308.1 ± 9.0   42.5 ± 4.2   227.1 ± 9.9   21.1 ± 7.4 23.4 ± 5.2
Trachymyrmex cornetzi Trcor1 15 310.3 ± 10.3   262.9 ± 9.1   49.4 ± 4.0   -- 3.2 ± 1.0
  Trcor3 16 333.4 ± 9.5   211.5 ± 7.4   46.1 ± 4.2   -- 78.0 ± 5.5
  Trcor4 17 257.4 ± 9.2 5.7 ± 0.07 92.4 ± 7.2 6.05 ± 0.1 138.4 ± 8.3 5.7 ± 0,1 7.5 ± 0.05 5.0 ± 1.3 22.1 ± 4.6
  Trcor10 18 155.0 ± 9.6 5.7 ± 0.07 131.9 ± 7.12 5.7 ± 0.09 7.7 ± 1.0   7.14 ± 2.1 7.15 ± 1.1
Trachymyrmex sp. 3 Trsp3-3 19 201 ± 9.1 5.2 ± 0.11 35.0 ± 9.8 5.7 ± 0.09 153.1 ± 10.42 7.5 ± 0.09 5.2 ± 0.09 7.0 ± 1.5 8.4 ± 2.2
  Trsp3-6 20 249.7 ± 9.4   33.5 ± 7.4   199.2 ± 9.0   -- 20.0 ± 7.8
Trachymyrmex zeteki Trzet2 21 340.1 ± 11.0   67.4 ± 5.0   215.5 ± 7.5   -- 55.7 ± 8.8
  Trzet3 22 342.3 ± 9.5 5.2 ± 0.1 28.4 ± 7.0 5.2 ± 0.09 317.0 ± 7.1 5.35 ± 0.08 -- --
  Trzet6 23 340.1 ± 8.9   70.6 ± 6.0   261.5 ± 9.0   1.39 ± 1.5 6.5 ± 1.3
Acromyrmex echinator Acech322 24 323.3 ± 10.0 5.4 ± 0.11 227.5 ± 10.6 5.2 ± 0.09 66.5 ± 6.4 7.5 ± 0.06 18.5 ± 6.3 --
Acromyrmex octospinosus Acoct1 25 454.2 ± 15.2   322.1 ± 12.5   64.2 ± 5.5   -- 56.2 ± 6.0
Atta colombica Atcol1 26 332.1 ± 14.8   227.5 ± 10.5   66.5 ± 6.02   18.5 ± 4.6 --
Atta sexdens Atsex1 27 390.0 ± 13.5   300.6 ± 11.6   35.7 ± 9.0   18.4 ± 6.3 40.1 ± 5.4
Atta cephalotes phalotes Atcep1 28 300.1 ± 14.7   193.1 ± 13.06   30.1 ± 6.41   35.5 ± 4.9 50.1 ± 6.6
  1. One unit of relative proteolytic activity (U) corresponds to 1*10(-3) difference between treatment and control absorbance (A440, at t°C 26°C, 1 hour). The mean activity values are presented as U*103 ± SE.