The PCR product with clear bands was sent to 1
st Base Laboratories in Singapore for sequencing. The sequencing program was performed by ABI PRISM 3730×L GENETIC ANALYZER (Applied Biosystems, USA). The sequenced products were blasted (NCBI Basic Local Alignment Search Tool)
26 (link), and the results were presented as homology (%) of bacterial DNA sequences to the database sequences
27 .
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