AI Article Synopsis
- A high-quality chromosome-level genome was created for a destructive forest pest from the Lepidoptera order, using advanced sequencing technologies.
- The final genome assembly has a size of 705.51 Mb, with significant data showing most contigs are uniquely located on 29 chromosomes and consist of over 15,300 protein-coding genes.
- The study indicates a divergence of this pest from a common ancestor about 122 million years ago and identifies expanded gene families related to immune signaling pathways, which may offer insights into pest control strategies.
Article Abstract
A high-quality genome is of significant value when seeking to control forest pests such as , a destructive member of the order Lepidoptera that is widespread in China. Herein, a high quality, chromosome-level reference genome for based on Nanopore, Pacbio HiFi sequencing and the Hi-C capture system is presented. Overall, a final genome assembly of 705.51 Mb with contig and scaffold N50 values of 20.89 and 24.73 Mb, respectively, was obtained. Of these contigs, 95.89% had unique locations on 29 chromosomes. analysis revealed that the genome contained 15,323 protein-coding genes and 63.44% repetitive sequences. Phylogenetic analyses indicated that may diverged from the common ancestor of , , , , and approximately 122.05 million years ago. Many gene families were expanded in the genome, particularly those of the Toll and IMD signaling pathway, which included 10 genes in , 19 genes in , and 11 genes in . The findings from this study will help to elucidate the mechanisms involved in protection of against foreign substances and pathogens, and may highlight a potential channel to control this pest.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8589036 | PMC |
| http://dx.doi.org/10.3389/fgene.2021.728418 | DOI Listing |
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