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Investigation of bacterial and fungal diversity in tarag using high-throughput sequencing
Zhihong Sun1, Wenjun Liu1, Qiuhua Bao2
1Key Laboratory of Dairy Biotechnology and Engineering, Ministry of Education; Dairy Processing Laboratory of National Dairy Production Technology and Research Center, Ministry of Agriculture, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, 010018, China; Synergetic Innovation Center of Food Safety and Nutrition, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China.
Abstract:
This is the first study on the bacterial and fungal community diversity in 17 tarag samples (naturally fermented dairy products) through a metagenomic approach involving high-throughput pyrosequencing. Our results revealed the presence of a total of 47 bacterial and 43 fungal genera in all tarag samples, in which Lactobacillus and Galactomyces were the predominant genera of bacteria and fungi, respectively. The number of some microbial genera, such as Lactococcus, Acetobacter, Saccharomyces, Trichosporon, and Kluyveromyces, among others, was found to vary between different samples. Altogether, our results showed that the microbial flora in different samples may be stratified by geographic region.
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