Sequence analysis of the region D1/D2 of the 26S rRNA gene: Representative
strains of each PCR-RFLP profile obtained were treated to
perform sequence analysis of the domains D1 and D2 of the 26S rRNA
gene. PCR amplification of the referred region in the 26S rRNA gene
with the primers NL1 (5′-GCATATCAATAAGCGGAGGAAAAG-3′) and
NL4 (5′-GGTCCGTGTTTCAAGACGG-3′) (Kurtzman & Robnett, 1998)
were performed. The amplification reaction and PCR conditions
were identical to those described above for ITS 5.8 rRNA region
except for the primers used (NL1 and NL4). Amplified products
were sequenced by LGC Genomics (Germany) and sequences
were compared to those available in GenBank database at the
National Center for Biotechnology Information (NCBI) using
BLAST (http://www.ncbi.nlm.nih.gov/BLAST/) to be identified by
sequence homology with described species.