期刊
G3-GENES GENOMES GENETICS
卷 12, 期 12, 页码 -出版社
OXFORD UNIV PRESS INC
DOI: 10.1093/g3journal/jkac286
关键词
Lactobacillus; Apilactobacillus; Bombilactobacillus; whole genome; honey bee microbiome; gut microbiome; prophage; bacteriophage
资金
- Virginia Agricultural Council [677]
- National Science Foundation [MCB-1817736, MCB-1817717]
In this study, the whole-genome sequencing of three unique Lactobacillaceae isolates from honey bee gut microbiome in Virginia, USA was completed. These isolates were identified as novel strains of Apilactobacillus kunkeei, Lactobacillus kullabergensis, and Bombilactobacillus mellis. Genome rearrangements, conserved orthologous genes (COG) categories, and potential prophage regions were analyzed across the three novel strains. These new bee-associated strains contribute to the knowledge of the honey bee gut microbiome and Lactobacillaceae genomics.
Lactobacillaceae are an important family of lactic acid bacteria that play key roles in the gut microbiome of many animal species. In the honey bee (Apis mellifera) gut microbiome, many species of Lactobacillaceae are found, and there is functionally important strain-level variation in the bacteria. In this study, we completed whole-genome sequencing of 3 unique Lactobacillaceae isolates collected from hives in Virginia, USA. Using 107 genomes of known bee-associated Lactobacillaceae and Limosilactobacillus reuteri as an outgroup, the phylogenetics of the 3 isolates was assessed, and these isolates were identified as novel strains of Apilactobacillus kunkeei, Lactobacillus kullabergensis, and Bombilactobacillus mellis. Genome rearrangements, conserved orthologous genes (COG) categories and potential prophage regions were identified across the 3 novel strains. The new A. kunkeei strain was enriched in genes related to replication, recombination and repair, the L. kullabergensis strain was enriched for carbohydrate transport, and the B. mellis strain was enriched in transcription or transcriptional regulation and in some genes with unknown functions. Prophage regions were identified in the A. kunkeei and L. kullabergensis isolates. These new bee-associated strains add to our growing knowledge of the honey bee gut microbiome, and to Lactobacillaceae genomics more broadly.
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