_version_ 1868266051105456128
author Kumwan, Benchawan
Meachasompop, Pakapon
Adisornprasert, Yosapon
Rajitdumrong, Chonlatat
Chaemlek, Pimrawee
Srisapoome, Prapansak
Phaksopa, Jitraporn
Buncharoen, Wararut
Thangsunan, Patcharapong
Thangsunan, Pattanapong
Rodkhum, Channarong
Paankhao, Natthapong
Kingwascharapong, Passakorn
Uchuwittayakul, Anurak
author_facet Kumwan, Benchawan
Meachasompop, Pakapon
Adisornprasert, Yosapon
Rajitdumrong, Chonlatat
Chaemlek, Pimrawee
Srisapoome, Prapansak
Phaksopa, Jitraporn
Buncharoen, Wararut
Thangsunan, Patcharapong
Thangsunan, Pattanapong
Rodkhum, Channarong
Paankhao, Natthapong
Kingwascharapong, Passakorn
Uchuwittayakul, Anurak
Kumwan, Benchawan
Meachasompop, Pakapon
Adisornprasert, Yosapon
Rajitdumrong, Chonlatat
Chaemlek, Pimrawee
Srisapoome, Prapansak
Phaksopa, Jitraporn
Buncharoen, Wararut
Thangsunan, Patcharapong
Thangsunan, Pattanapong
Rodkhum, Channarong
Paankhao, Natthapong
Kingwascharapong, Passakorn
Uchuwittayakul, Anurak
collection PubMed - marine biology
contents Sequential nanoimmersion and hydrogel-based multivalent vaccination induce durable multilayered immunity against four bacterial pathogens in Nile tilapia (Oreochromis niloticus). Kumwan, Benchawan Meachasompop, Pakapon Adisornprasert, Yosapon Rajitdumrong, Chonlatat Chaemlek, Pimrawee Srisapoome, Prapansak Phaksopa, Jitraporn Buncharoen, Wararut Thangsunan, Patcharapong Thangsunan, Pattanapong Rodkhum, Channarong Paankhao, Natthapong Kingwascharapong, Passakorn Uchuwittayakul, Anurak Animals Cichlids Fish Diseases Bacterial Vaccines Vaccination Streptococcal Infections Flavobacteriaceae Infections Flavobacterium Hydrogels Streptococcus agalactiae Aeromonas veronii Enterobacteriaceae Infections Immunity, Humoral Immunity, Mucosal Bacterial infections caused by Flavobacterium oreochromis, Aeromonas veronii, Streptococcus agalactiae, and Edwardsiella tarda represent major threats to Nile tilapia aquaculture. This study evaluated a multistage mucosal vaccination strategy combining sequential nanoemulsion immersion priming with oral hydrogel-based boosters against these four pathogens in Oreochromis niloticus. Vaccination was associated with significant enhancement of both mucosal and systemic humoral immunity, as evidenced by elevated pathogen-specific IgM levels in gills, skin mucus, intestine, and serum across three successive challenge rounds. Immune-related gene expression analysis revealed significant upregulation of ighm, ighd, and ight in key immune tissues, consistent with broad activation of B cell-mediated responses. Label-free quantitative proteomic profiling demonstrated extensive immune remodeling in vaccinated fish, characterized by increased abundance of antigen-presentation molecules, complement factors, lysozyme, serpins, and mucosal defense-associated enzymes. Intestinal microbiome analysis revealed that vaccination reshaped microbial community composition toward a more stable and pathogen-resistant structure, with markedly reduced colonization by all four target pathogens. These immunological and microbial changes were associated with significantly higher survival rates under both immersion and intraperitoneal challenge conditions. Taken together, these findings suggest that multistage sequential vaccination may induce broad-spectrum, durable, multilayered protection in Nile tilapia through synergistic enhancement of humoral immunity, immunoglobulin gene expression, proteomic remodeling, and microbiome stabilization, providing a promising framework for sustainable disease management in intensive aquaculture.
format Artículo científico
id pubmed_42103112
institution PubMed
language en
publishDate 2026
publisher Fish & shellfish immunology
record_format pubmed
spellingShingle Sequential nanoimmersion and hydrogel-based multivalent vaccination induce durable multilayered immunity against four bacterial pathogens in Nile tilapia (Oreochromis niloticus).
Kumwan, Benchawan
Meachasompop, Pakapon
Adisornprasert, Yosapon
Rajitdumrong, Chonlatat
Chaemlek, Pimrawee
Srisapoome, Prapansak
Phaksopa, Jitraporn
Buncharoen, Wararut
Thangsunan, Patcharapong
Thangsunan, Pattanapong
Rodkhum, Channarong
Paankhao, Natthapong
Kingwascharapong, Passakorn
Uchuwittayakul, Anurak
Animals
Cichlids
Fish Diseases
Bacterial Vaccines
Vaccination
Streptococcal Infections
Flavobacteriaceae Infections
Flavobacterium
Hydrogels
Streptococcus agalactiae
Aeromonas veronii
Enterobacteriaceae Infections
Immunity, Humoral
Immunity, Mucosal
Sequential nanoimmersion and hydrogel-based multivalent vaccination induce durable multilayered immunity against four bacterial pathogens in Nile tilapia (Oreochromis niloticus). Kumwan, Benchawan Meachasompop, Pakapon Adisornprasert, Yosapon Rajitdumrong, Chonlatat Chaemlek, Pimrawee Srisapoome, Prapansak Phaksopa, Jitraporn Buncharoen, Wararut Thangsunan, Patcharapong Thangsunan, Pattanapong Rodkhum, Channarong Paankhao, Natthapong Kingwascharapong, Passakorn Uchuwittayakul, Anurak Animals Cichlids Fish Diseases Bacterial Vaccines Vaccination Streptococcal Infections Flavobacteriaceae Infections Flavobacterium Hydrogels Streptococcus agalactiae Aeromonas veronii Enterobacteriaceae Infections Immunity, Humoral Immunity, Mucosal Bacterial infections caused by Flavobacterium oreochromis, Aeromonas veronii, Streptococcus agalactiae, and Edwardsiella tarda represent major threats to Nile tilapia aquaculture. This study evaluated a multistage mucosal vaccination strategy combining sequential nanoemulsion immersion priming with oral hydrogel-based boosters against these four pathogens in Oreochromis niloticus. Vaccination was associated with significant enhancement of both mucosal and systemic humoral immunity, as evidenced by elevated pathogen-specific IgM levels in gills, skin mucus, intestine, and serum across three successive challenge rounds. Immune-related gene expression analysis revealed significant upregulation of ighm, ighd, and ight in key immune tissues, consistent with broad activation of B cell-mediated responses. Label-free quantitative proteomic profiling demonstrated extensive immune remodeling in vaccinated fish, characterized by increased abundance of antigen-presentation molecules, complement factors, lysozyme, serpins, and mucosal defense-associated enzymes. Intestinal microbiome analysis revealed that vaccination reshaped microbial community composition toward a more stable and pathogen-resistant structure, with markedly reduced colonization by all four target pathogens. These immunological and microbial changes were associated with significantly higher survival rates under both immersion and intraperitoneal challenge conditions. Taken together, these findings suggest that multistage sequential vaccination may induce broad-spectrum, durable, multilayered protection in Nile tilapia through synergistic enhancement of humoral immunity, immunoglobulin gene expression, proteomic remodeling, and microbiome stabilization, providing a promising framework for sustainable disease management in intensive aquaculture.
title Sequential nanoimmersion and hydrogel-based multivalent vaccination induce durable multilayered immunity against four bacterial pathogens in Nile tilapia (Oreochromis niloticus).
topic Animals
Cichlids
Fish Diseases
Bacterial Vaccines
Vaccination
Streptococcal Infections
Flavobacteriaceae Infections
Flavobacterium
Hydrogels
Streptococcus agalactiae
Aeromonas veronii
Enterobacteriaceae Infections
Immunity, Humoral
Immunity, Mucosal
url https://pubmed.ncbi.nlm.nih.gov/42103112/