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标题：A draft genome assembly of the solar-powered sea slug Elysia chlorotica
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作者：Huimin Cai ; Qiye Li ; Xiaodong Fang 等
期刊名称：Scientific Data
电子版ISSN：2052-4463
出版年度：2019
卷号：6
DOI：10.1038/sdata.2019.22
语种：English
出版社：Nature Publishing Group
摘要：Elysia chlorotica, a sacoglossan sea slug found off the East Coast of the United States, is well-known for its ability to sequester chloroplasts from its algal prey and survive by photosynthesis for up to 12 months in the absence of food supply. Here we present a draft genome assembly of E. chlorotica that was generated using a hybrid assembly strategy with Illumina short reads and PacBio long reads. The genome assembly comprised 9,989 scaffolds, with a total length of 557鈥塎b and a scaffold N50 of 442鈥塳b. BUSCO assessment indicated that 93.3% of the expected metazoan genes were completely present in the genome assembly. Annotation of the E. chlorotica genome assembly identified 176鈥塎b (32.6%) of repetitive sequences and a total of 24,980 protein-coding genes. We anticipate that the annotated draft genome assembly of the E. chlorotica sea slug will promote the investigation of sacoglossan genetics, evolution, and particularly, the genetic signatures accounting for the long-term functioning of algal chloroplasts in an animal.