Research Article

Diversity and Antimicrobial Properties of Lactic Acid Bacteria Isolated from Rhizosphere of Olive Trees and Desert Truffles of Tunisia

Table 2

Phenotypic characteristics of representative Gram-positive rhizospheric-LAB isolates.

E. faecium E. durans E. hirae E. faecalis Lb. sakei Lb. plantarum Pc. acidilactici Pc. pentosaceus Lc. lactis Lc. garvieae W. halotolerans W. paramesenteroides W. confuse Ln.mesenteroides

ITS typesA, B, CDEFGHIJKLMNOP
Number of strains6406070304030107030302031201
Shapecoccicoccicoccicoccirodsrodscoccicoccicoccicoccicoccobacillicoccobacillicoccobacillicocci
Fermentation typeHomoHomoHomoHomoHomoHomoHomoHomoHomoHomoHeteroHeteroHeteroHetero
Catalase
Growth at pH
 4++++++++++++++
 9.6++++++++++
Growth in NaCl
 3%++++++++++++++
 6.5%++(03)+(04)+(02)+(03)+++(06)+(03)+++++
 8% +(42)*+(03)+(01)+(01)+(03)+++(04)+(02)+(01)++++
 9%+(02)+(01)+(01)+(01)+(05)
Growth at temperature
 10°C++++++++++++++
 45°C+++++++
EPS production+(28)+++(02)+(02)+(02)++
Proteolytic activity++++++++++++++

( ): number of strains; +: positive; −: negative; Homo: homofermentative; Hetero: heterofermentative.