Research Progress in Area 3 方向 ( 三 ) 課題進展 165 Abstract To date, numerous genomes have been sequenced from different groups of invertebrates. Nevertheless, many deep-sea invertebrates have not been explored nor sequenced. In our original proposal, we planned to sequence the deep-sea shrimp Alvinocaris longirostris genome, which has a much bigger genome size (estimated to be ~12Gb) than any of the published crustacean genomes, which also implies the technical difficulties in obtaining a high-quality genome of this important group of animals. Due to various reasons, this project is now changed to sequence other marine animals, including the deep-sea cnidarian genome. In both short and long terms, this project is crucial for both understanding of animal evolution and development of marine biotechnology. Research Activities and Progress • All data of deep-sea shrimp A. longirostris were passed to the collaborators who had already assembled the deep-sea shrimp genome; • We are sequencing and assembling the genome of deep-sea anemone; • We are also sequencing and annotating mRNA and small RNA of deep-sea anemone; • Sequencing of other animals are also in progress. Key Findings • We have established the genomes of horseshoe crabs and revealed the evolutionary fates of genes and microRNAs after three rounds of whole genome duplication; • Wehavealso identified thepopulationgenomics, transcriptional response to heat shock, and gut microbiota of the Hong Kong oyster Magallana hongkongensis; • We are now working on the deep-sea anemone genome and transcriptomes. Research Output Publication 1 Trained personnel 2 Decoding the Genomes of Deep Sea Invertebrates – a Deep-sea Shrimp Alvinocaris Longirostris and a Deep-sea Anemone Actinernus sp. Prof. Jerome Ho Lam Hui The Chinese University of Hong Kong
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