alexa Immune gene discovery by expressed sequence tag analysis of hemocytes and hepatopancreas in the Pacific White Shrimp, Litopenaeus vannamei, and the Atlantic White Shrimp, L. setiferus.
Agri and Aquaculture

Agri and Aquaculture

Journal of Aquaculture Research & Development

Author(s): Gross PS, Bartlett TC, Browdy CL, Chapman RW, Warr GW

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Abstract A pilot program was undertaken in immune gene discovery in two sister species of litopenaeid shrimp, the Pacific white shrimp, Litopenaeus vannamei and the Atlantic white shrimp, L. setiferus. RNA from the hemocytes and hepatopancreas of single individuals from each species was recovered, 4 cDNA libraries (one from each tissue/species) were made by a PCR-based method and a total of approximately 2045 randomly selected clones were sequenced. A total of 268 expressed sequence tags (ESTs) were found that corresponded to 44 immune function genes. The most common immune-function ESTs (172) were antimicrobial peptides, which were restricted to the hemocyte libraries. Lectins were the largest group of immune-function ESTs found in the hepatopancreas. Analysis of these libraries indicates that EST approaches are effective for immune gene discovery in shrimp and that the diversity of these PCR-generated libraries would support full-scale EST collection.
This article was published in Dev Comp Immunol and referenced in Journal of Aquaculture Research & Development

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