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A Chromosome-Level Genome Assembly of Ephestia elutella (Hubner, 1796) (Lepidoptera: Pyralidae).

ABSTRACT: The moth Ephestia elutella (Hübner), is a storage pest that feeds on tobacco, cacao beans, cereals, dried fruits, and nuts. We generated a chromosome-level genome assembly containing 576.94 Mb using Nanopore long reads (approximately 130×) and Hi-C data (approximately 134×). The final assembly contained 804 scaffolds, with an N50 length of 19.00 Mb, and 94.96% (547.89 Mb) of the assembly was anchored into 31 pseudochromosomes. We masked 58.12% (335.32 Mb) of the genome as repetitive elements, identified 727 noncoding RNAs, and predicted 15,637 protein-coding genes. Gene family evolution and functional enrichment analyses revealed significantly expanded gene families primarily involved in digestion, detoxification, and chemosensation. Strong chromosomal syntenic relationships were also observed among E. elutella, silkworm, and tobacco cutworm. This study could provide a valuable genomic basis for better understanding the biology of E. elutella.

SUBMITTER: Yan B 

PROVIDER: S-EPMC8364986 | biostudies-literature | 2021 Aug

REPOSITORIES: biostudies-literature

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A Chromosome-Level Genome Assembly of Ephestia elutella (Hübner, 1796) (Lepidoptera: Pyralidae).

Yan Bin B   Ou Houding H   Wei Lan L   Wang Xiuqin X   Yu Xiaofei X   Liu Jianfeng J   Yang Maofa M  

Genome biology and evolution 20210801 8

The moth Ephestia elutella (Hübner), is a storage pest that feeds on tobacco, cacao beans, cereals, dried fruits, and nuts. We generated a chromosome-level genome assembly containing 576.94 Mb using Nanopore long reads (approximately 130×) and Hi-C data (approximately 134×). The final assembly contained 804 scaffolds, with an N50 length of 19.00 Mb, and 94.96% (547.89 Mb) of the assembly was anchored into 31 pseudochromosomes. We masked 58.12% (335.32 Mb) of the genome as repetitive elements, id  ...[more]

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