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Table 2 Buffering capacity (means ± SE in mekv/L) for free living fungi and fungus garden symbionts of attine ants.

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

Fungal species (family)

Buffering capacity, mekv/L

Sample size

Free-living fungi, plated

  

   Agaricus bisporus (Agaricaceae)

9.6 ± 1.08 (strain 1)

5

 

7.3 ± 0.92 (strain 2)

5

   Pleurotus ostreatus (Pleurotaceae)

4.95 ± 0.7

5

   Pleurotus pulmonarius (Pleurotaceae)

3.1 ± 0.12

5

   Lentinula edodes (Marasmiaceae)

2.01 ± 0.1

5

Fungus garden symbiont, plated

  

   Leucocoprinus gongylophorus (Agaricaceae)

16.2 ± 2.01

3

Fungus garden symbiont, colony

  

   Apterostigma collare, (Apcol1)

not measured*

 

   Myrmicocrypta ednaella, (Myred2)

21.92

3

   Mycocepurus smithii, (Mycsmi32)

21.89

3

   Trachymyrmex cornetzi, (Trcor1)

20.55

3

   Sericomyrmex amabilis, (Serama7)

16.74

3

   Sericomyrmex amabilis, (Serama12)

5.80**

3

   Acromyrmex echinator, (Acech322)

17.93 ± 1.54

3

   Acromyrmex octospinosus, (Acoct1)

16.80

3

   Atta colombica, (Atcol1)

17.64

3

   Atta cephalotes, (Atcep1)

22.20

3

  1. * Buffering was observed on pH test papers only, but was comparable to the other fungal garden symbionts.
  2. ** This colony of Sericomyrmex amabilis (Serama12) had an unusually solid and humid garden structure compared to all other fungus gardens examined.