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Oyster genome uncover the stress adaptation and complexity of shell formation
Date:9/19/2012

September 19, Shenzhen, China An international research team, led by Institute of Oceanology of Chinese Academy of Sciences and BGI, has completed the sequencing, assembly and analysis of Pacific oyster (Crassostrea gigas) genomethe first mollusk genome to be sequencedthat will help to fill a void in our understanding of the species-rich but poorly explored mollusc family. The study, published online today in Nature, reveals the unique adaptations of oysters to highly stressful environment and the complexity mechanism of shell formation.

"The accomplishment is a major breakthrough in the international Conchological research, with great advancement in the fields of Conchology and Marine Biology." said, Professor Fusui Zhang, Academician of Chinese Academy of Sciences, and a well-known Chinese Scientist of Conchology, "The study will provide valuable resources for studying the biology and genetic improvement of molluscs and other marine species. "

Oysters are a soft-bodied invertebrate with a double-hinged shell, which make up an essential part of many aquatic ecosystems. They have a global distribution and for many years they have much higher annual production than any other freshwater or marine organisms. In addition to its economic and ecological importance, the unique biological characteristics of oyster make it an important model for studying marine adaptations, inducing a great deal of biological and genomics research. The completed sequencing of oyster genome will provide a new horizon into understanding its natural mechanisms such as the adaptations to environmental stresses and shell formation, better exploration of marine gene resource, , among others.

Unlike many mammals and social insects, oyster as well as many other marine invertebrates is known to be highly polymorphism, which is a challenge for de novo assembling based on current strategies. In this study, researchers sequenced and assembled the Pacific oyster g
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Contact: Jia Liu
liujia@genomics.cn
BGI Shenzhen
Source:Eurekalert

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