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Amphioxus is a promising laboratorial model animal for studying the evolutionary and developmental mechanisms that appeared during the invertebrate-chordate to vertebrate transition. However, the main drawback for the use of amphioxus as a model organism is the lack of well-developed technical approaches. Conditional gene expression, as performed with(More)
The two toll-like receptor (TLR) genes, LycTLR7 and LycTLR8, were cloned from large yellow croaker (Pseudosciaena crocea), an economically important marine fish in China. The full-length cDNAs of LycTLR7 and LycTLR8 are 3544 and 3593 bp, with an open reading frame (ORF) of 3165 and 3093 bp, encoding 1053 and 1030 amino acids, respectively. The TLR family(More)
CXCL8 also called interleukin-8, is a CXC-type chemokine that plays a key role in promoting inflammation. Three subgroups of CXCL8 homologues have been reported in teleost fish, including CXCL8_L1, CXCL8_L2 and CXCL8_L3. In the present study, we identified a CXCL8 homologue belonging to CXCL8_L1 subgroup (LycCXCL8_L1) in large yellow croaker (Larimichthys(More)
Toll-like receptors (TLRs) are key components of innate immunity that play significant roles in immune defence against pathogen invasion. In the present study, we identified a novel TLR2 homologue (LycTLR2b) in large yellow croaker (Larimichthys crocea) that shared low sequence identity with the previously reported large yellow croaker TLR2 (tentatively(More)
Toll-like receptors (TLRs) are a family of innate immune receptors that recognize molecular patterns associated with microbial pathogens (PAMP) and induce antimicrobial immune responses. Here we report the molecular cloning and characterization of a TLR1 homologue from the large yellow croaker (LycTLR1). The complete cDNA of LycTLR1 is 3487 nucleotides(More)
As a housekeeping gene, β-actin is one of the most commonly used reference gene and its promoter is widely used in transgenic studies in mammals and fish. In this study, we used genomic walker technology to clone the β-actin gene (Lycβ-actin) promoter sequence from large yellow croaker, an economically important marine fish in China. The Lycβ-actin promoter(More)
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