Characteristics and expression patterns of the lipopolysaccharide-induced TNF-α factor (LITAF) gene family in the Pacific oyster, Crassostrea gigas

► Five newly-cloned LITAFs in addition to previous one are identified. ► Each CgLITAF has two CXXC motifs except for CgLITAF2. ► CgLITAF family member show distinct tissues- and PAMPs induced expression. ► This study reveals CgLITAF's ancient origin and diversified role in host defense.