On the basis of a Gram stain and microscopy analysis, strain FX-6 was found to be Gram-positive and presented as single rods or short chains. The 16S rDNA amplified from the strain FX-6 revealed that the nucleotide sequence showed 99% similarity to L. paracasei subsp. tolerans. Strain FX-6 has gained GenBank accession number KF544958. Further phylogenetic analysis was carried out using sequence alignment and comparison with other LAB strains ( Fig. 1).