Showing papers in "Fish & Shellfish Immunology in 2006"

TL;DR: The innate immune system is the only defence weapon of invertebrates and a fundamental defence mechanism of fish and plays an instructive role in the acquired immune response and homeostasis and is therefore equally important in higher vertebrates.

TL;DR: The current understanding of the role of fish complement in phagocytosis, respiratory burst, chemotaxis and cell lysis is reviewed and a comprehensive compilation on complement host-pathogen interactions is provided.

TL;DR: An early expression of Rag-1 is demonstrated in the zebrafish thymus that correlates well with the morphological identification of lymphoid cells, and the origins and time of appearance of B lymphocytes in teleosts are a matter of discussion.

TL;DR: Interestingly, the fish type I IFNs possess the same exon/intron structure as theIFN-lambdas, but show most sequence similarity to IFN-alpha.

TL;DR: It is indicated that Achyranthes aspera stimulates immunity and increases resistance to infection in L. rohita.

TL;DR: Carnobacterium maltaromaticum B26 and CCARB divergens B33 were selected as being potentially useful as probiotics with effectiveness against Aeromonas salmonicida and Yersinia ruckeri as discussed by the authors.

TL;DR: Present evidence points to a functional role for the rodlet cells of teleosts in host defence against parasites, similar to that of mast cell precursors.

TL;DR: The present work revealed that the application of herbal immunostimulants will be effective against shrimp viral pathogenesis and they can be recommended for shrimp culture.

TL;DR: An increase of temperature induced an increase of haemocyte mortality, in both in vitro and in vivo experiments, and temperature modulated aminopeptidase activity and an in vitro decrease of salinity was associated with cell mortality.

TL;DR: The results indicated that shrimp survival under the stress of V. harveyi was affected by the dietarySFPSE, and oral administration of SFPSE at an optimal level of 0.0% for 14 days effectively improved vibriosis resistance and enhanced immune activity of the shrimp in general.

TL;DR: Findings on fish CMC with regard to temperature/seasons and ontogeny are discussed, including evidence that the different viral proteins trigger different subsets of killer cells.

TL;DR: Challenge study indicated least mortality in the group of fishes injected with medium dose of 10 mg of beta-glucan kg(-1) body wt.

TL;DR: The effects of the dietary administration of two heat-inactivated whole bacteria from the Vibrionaceae family, singly or combined, on innate immune response of the seabream were studied and the usefulness of incorporating inactivated probiotic bacteria into fish diets was discussed.

TL;DR: 3-D structural prediction of AIHSP70 showed that its N terminal ATPase activity domain and C terminal substrate-binding domain shared high similarity with that in human heat shock protein 70.

TL;DR: The expression of nearly all immune-related genes studied here increased following initial infection with L. salmonis, however, immunological stimulation did not reduce parasite numbers or protect against re-infection.

TL;DR: It is shown that the Vg purified from the rosy barb Puntius conchonius possesses both antibacterial and hemagglutinating activities in vitro, and the male fish challenged with Escherichia coli synthesize Vg.

TL;DR: Cytokines are one of the major signaling molecules involved in immunity and the expression of IL-17 in un-stimulated tissues indicates that these genes may play important roles in normal conditions as well and proves the structural similarity with IL- 17 genes from other organisms.

TL;DR: It is shown that European sea bass confronted with husbandry-associated stress during early life stages show poorer survival and disease resistance as juveniles, and stress-related parameters assessed by principle component analysis fit well with the concept of allostasis.

TL;DR: Maternal mRNA of the aforementioned innate immune factors and maternal C3- and immunoglobulin protein was present in unfertilised eggs and C3 mRNA production was situated in the yolk syncytial layer in embryos from 24 h post-fertilisation to 5 dpf, followed by the liver in larvae, providing a new sequence of C3 production in teleost development.

TL;DR: The aim was to evaluate the performance of selected individual MHC class I and class II alpha (A) alleles, and combinations of these on disease resistance against infectious salmon anaemia (ISA).

TL;DR: It is concluded that L. vannamei that were immersed in hot-water extract of S. duplicatum, or the shrimp that were injected with hot- water extract at 10 microg g(-1) or less had increased immune ability as well as resistance to V. alginolyticus infection.

TL;DR: Multiple injections of tuftsin might have maintained the activation of phagocytic cells for a long period, which in turn led to long-term protection in the fish.

TL;DR: NG carbohydrate supplemented with 1.0% n-3 PUFA is found to be optimum to enhance the immunity in L. rohita juveniles.

TL;DR: The involvement of the immune response to AGD at the molecular level is demonstrated, and the importance of this response at the site of infection and the possible involvement of a systemic immune response is indicated.

TL;DR: It is concluded that tiger shrimp P. monodon transferred from 25 per thousand to low salinity levels (5 per thousand and 15 per thousand) and high salinity had reduced immune ability and decreased resistance against P. damselae infection.

TL;DR: A SMART cDNA library from spleen of large yellow croaker stimulated by poly I:C was constructed and genes involved in immune functions, including complement system components, immunoglobulins, antigen processing and presentation proteins, interferon system proteins, cytokines, and some innate defence molecules were identified.

TL;DR: The vaccine potential of Edwardsiella tarda ghosts produced by gene E mediated lysis was investigated using tilapia and fish immunized with ETG and formalin showed higher protection and higher bactericidal activity than control fish.

TL;DR: Findings in this study add new evidence to the hypothesis that an evolutionary relationship exists between the MMCs of fish and the germinal centres of many birds and mammals.

TL;DR: Transient transfection of grouper cells in gfp-reporter gene assays shows that the activation of the grouper Mx promoter fragment by Poly[I:C] is sufficient to allow the expression of green fluorescent protein (GFP), which may provide a possible regulated pathway against nodavirus.

TL;DR: In this paper, the phenoloxidase (PO) activity of the haemolymph and haemocytes from three clam species of commercial interest ( Ruditapes philippinarum, Chamelea gallina and Tapes decussatus ) has been compared.