Suansun, made from fresh bamboo shoots fermented without salt, is a traditional food in China’s southern region and is popular for its nutritious and unique flavor. To comprehensively understand the microbial species and characteristics of suansun, Illumina HiSeq metagenomic sequencing technology was used to sequence suansun’s fermentation broth obtained from six traditional producing areas in southern China, and the microbial community structure, diversity, and functional genes were analyzed. A total of 8 phyla, 16 classes, 30 orders, 63 families, 92 genera, and 156 species of microorganisms were identified in the suansun samples, with Lactiplantibacillus predominating, accounting for up to 81% of the species, among which 12 species, including Lactiplantibacillus plantarum, were the main species. A total of 12,751 unigenes were annotated to 385 metabolic pathway classes, of which 2927 unigenes were involved in carbohydrate metabolism. Lactiplantibacillus fermentum, Lactiplantibacillus plantarum, and Lactiplantibacillus brucei were involved in the metabolism of most nutrients and flavor substances in suansun. Overall, these results provide insights into the suansun microbiota and shed light on the fermentation processes carried out by complex microbial communities.
Phyllostachys edulis f. bicolor , a beautiful ornamental bamboo species, is a new variant of P. edulis , with yellow stems and green grooves between nodes. In this study, we assembled and annotated the complete chloroplast (cp) genome of this variety for the first time. The complete cp genome size of P. edulis f. bicolor was 139,678 bp in length and a total of 130 unique genes were annotated, including 85 protein-coding genes, 37 tRNA encoding genes, and eight rRNA encoding genes. Phylogenetic analysis results provided evidence that P. edulis f. bicolor was closely related to P. edulis ‘heterocycla’. This study contributes to better understanding of intraspecific type evolution of P. edulis .
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