The preparation and antibacterial effect of egg yolk immunoglobulin (IgY) against the outer membrane proteins of Vibrio parahaemolyticus. 2019

Bochao Hu, and Xiaodong Yang, and Erpeng Guo, and Peizhan Zhou, and Ding Xu, and Zhenqiang Qi, and Li Deng
Shenzhen Key Laboratory of Microbial Genetic Engineering, Shenzhen Key Laboratory of Marine Bioresource and Eco-environmental Science, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, China.

BACKGROUND Vibrio parahaemolyticus causes not only various diseases in aquaculture animals but also seafood-borne illness in humans. Outer membrane proteins (OMPs) are species-specific proteins found in bilayer membranes of gram-negative bacteria. Egg yolk immunoglobulin (IgY) has been reported to serve as oral administration of antibodies against bacteria and virus. RESULTS The present research extracted and identified OMPs from V. parahaemolyticus, and then the extracted OMPs were used to immunize hens to obtain specific IgY. The efficacy of IgY against V. parahaemolyticus were investigated in vitro and in vivo. The specific IgY effectively inhibited the growth of V. parahaemolyticus in liquid medium rather than Escherichia coli and Staphylococcus aureus. Specific IgY antibodies were incorporated into extruded food pellets and fed to bacteria-challenged white pacific shrimp to observe the anti-bacterial effect in vivo. The bacterial loads in muscles of V. parahaemolyticus infected shrimp fed with specific IgY-included diets were significantly fewer than those fed with non-specific IgY-included diets. The superoxide dismutase activities in muscles of infected shrimp fed with specific IgY-included diets were significantly higher than the control group. CONCLUSIONS The results suggested that the specific IgY effectively inhibited the growth of V. parahaemolyticus and introduced passive immunity to shrimp. © 2018 Society of Chemical Industry.

UI MeSH Term Description Entries
D007136 Immunoglobulins Multi-subunit proteins which function in IMMUNITY. They are produced by B LYMPHOCYTES from the IMMUNOGLOBULIN GENES. They are comprised of two heavy (IMMUNOGLOBULIN HEAVY CHAINS) and two light chains (IMMUNOGLOBULIN LIGHT CHAINS) with additional ancillary polypeptide chains depending on their isoforms. The variety of isoforms include monomeric or polymeric forms, and transmembrane forms (B-CELL ANTIGEN RECEPTORS) or secreted forms (ANTIBODIES). They are divided by the amino acid sequence of their heavy chains into five classes (IMMUNOGLOBULIN A; IMMUNOGLOBULIN D; IMMUNOGLOBULIN E; IMMUNOGLOBULIN G; IMMUNOGLOBULIN M) and various subclasses. Globulins, Immune,Immune Globulin,Immune Globulins,Immunoglobulin,Globulin, Immune
D002645 Chickens Common name for the species Gallus gallus, the domestic fowl, in the family Phasianidae, order GALLIFORMES. It is descended from the red jungle fowl of SOUTHEAST ASIA. Gallus gallus,Gallus domesticus,Gallus gallus domesticus,Chicken
D004530 Egg Yolk Cytoplasm stored in an egg that contains nutritional reserves for the developing embryo. It is rich in polysaccharides, lipids, and proteins. Egg Yolks,Yolk, Egg,Yolks, Egg
D004926 Escherichia coli A species of gram-negative, facultatively anaerobic, rod-shaped bacteria (GRAM-NEGATIVE FACULTATIVELY ANAEROBIC RODS) commonly found in the lower part of the intestine of warm-blooded animals. It is usually nonpathogenic, but some strains are known to produce DIARRHEA and pyogenic infections. Pathogenic strains (virotypes) are classified by their specific pathogenic mechanisms such as toxins (ENTEROTOXIGENIC ESCHERICHIA COLI), etc. Alkalescens-Dispar Group,Bacillus coli,Bacterium coli,Bacterium coli commune,Diffusely Adherent Escherichia coli,E coli,EAggEC,Enteroaggregative Escherichia coli,Enterococcus coli,Diffusely Adherent E. coli,Enteroaggregative E. coli,Enteroinvasive E. coli,Enteroinvasive Escherichia coli
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000900 Anti-Bacterial Agents Substances that inhibit the growth or reproduction of BACTERIA. Anti-Bacterial Agent,Anti-Bacterial Compound,Anti-Mycobacterial Agent,Antibacterial Agent,Antibiotics,Antimycobacterial Agent,Bacteriocidal Agent,Bacteriocide,Anti-Bacterial Compounds,Anti-Mycobacterial Agents,Antibacterial Agents,Antibiotic,Antimycobacterial Agents,Bacteriocidal Agents,Bacteriocides,Agent, Anti-Bacterial,Agent, Anti-Mycobacterial,Agent, Antibacterial,Agent, Antimycobacterial,Agent, Bacteriocidal,Agents, Anti-Bacterial,Agents, Anti-Mycobacterial,Agents, Antibacterial,Agents, Antimycobacterial,Agents, Bacteriocidal,Anti Bacterial Agent,Anti Bacterial Agents,Anti Bacterial Compound,Anti Bacterial Compounds,Anti Mycobacterial Agent,Anti Mycobacterial Agents,Compound, Anti-Bacterial,Compounds, Anti-Bacterial
D001425 Bacterial Outer Membrane Proteins Proteins isolated from the outer membrane of Gram-negative bacteria. OMP Proteins,Outer Membrane Proteins, Bacterial,Outer Membrane Lipoproteins, Bacterial
D013211 Staphylococcus aureus Potentially pathogenic bacteria found in nasal membranes, skin, hair follicles, and perineum of warm-blooded animals. They may cause a wide range of infections and intoxications.
D014736 Vibrio parahaemolyticus A species of bacteria found in the marine environment, sea foods, and the feces of patients with acute enteritis. Beneckea parahaemolytica,Oceanomonas parahaemolytica,Pasteurella parahaemolytica
D033561 Penaeidae A family of CRUSTACEA, order DECAPODA, comprising the penaeid shrimp. Species of the genus Penaeus are the most important commercial shrimp throughout the world. Metapenaeus,Penaeus,Shrimp, Penaeid,Penaeid Shrimp,Penaeid Shrimps,Shrimps, Penaeid

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