Abstract
The insect larvae Protaetia brevitarsis seulensis have recently been researched as a nutritious food source and concentrated on their environmental impacts. Therefore, their gut microbiota has been studied to elucidate their effects and roles on the environment. Of the abundance of bacterial genus identified based on the 16S rRNA genes from isolates of the gut of insect larva Protaetia brevitarsis seulensis, six of the prominent genus were identified as Bacillus (40.2%), Cellulosimicrobium (33.5%), Microbacterium (2.8%), Streptomyces (3%), Krasilnikoviella (17.5%), and Isoptericola (3%) and their similarity of 16S rRNA blast changed from 99 to 100%. Cellulosimicrobium protaetiae BI34T showed strong denitrification and cellulose degradation activity. The newly complete genome sequence of BI34T and the genomes of five species was published in the genus Cellulosimicrobium with emphasis on the denitrification and secondary metabolite genes. In order to elucidate the relationship between the strain BI34T and the host insect larva, the whole-genome sequence was analyzed and compared with the genomes of five strains in the same genus, Cellulosimicrobium, loaded from GenBank. Our results revealed the composition of the gut microbiota of the insect larvae and analyzed the genomic data for the new strain to predict its characteristics and to understand the nitrogen metabolism pathway.
Graphical Abstract
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Data Availability
The datasets generated during and/or analyzed during the current study are available from the corresponding author upon reasonable request.
Abbreviations
- BGCs:
-
Biosynthetic gene clusters
- CDSs:
-
Protein coding genes
- COG:
-
Clusters of orthologous groups of proteins
- HGAP:
-
Hierarchical genome assembly process
- ncRNA:
-
Non-coding RNA
- NRP:
-
Non-ribosomal peptide
- SMRT:
-
Single-molecule real time
- RAST:
-
Rapid annotation subsystems technology
- rRNA:
-
Ribosomal RNA
- tRNA:
-
Transfer RNA
- T3PKS:
-
Type III polyketide synthase
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Acknowledgements
This research was supported by grants from the KRIBB Research Initiative in Korea and funded by University of Technology and Education - The University of Danang under project number T2022-06-06.
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HLH and TDPN conceived and designed the study. HLH, LTV, and PTQQ performed the research. HLH, SGK, and LMJ analyzed and validated data. KSK, KWC, and TNTT contributed to new methods and analytical tools. HLH and TDPN wrote the manuscript. KSK, SSC, and KWC reviewed and edited the manuscript. All authors read and approved the manuscript.
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Genome information for the 16S rRNA, chromosome and plasmid are available under the GenBank/EMBL/DDBJ accession number MK966391, CP052757 and CP052758.
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Le Ho, H., Tran-Van, L., Quyen, P.T.Q. et al. Bioinformatic Approach to Investigate Larvae Gut Microbiota Cellulosimicrobium protaetiae via Whole-Genome Analysis. Mol Biotechnol (2024). https://doi.org/10.1007/s12033-023-00984-9
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DOI: https://doi.org/10.1007/s12033-023-00984-9