Identification of antigens for the development of a subunit vaccine against Photobacterium damselae ssp. piscicida

Li Ping Ho, John Han-You Lin, Hsiao Chien Liu, Huey En Chen, Tzong-Yueh Chen, Huey Lang Yang

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Photobacterium damselae ssp. piscicida (Ph.d.p.), the causative agent of photobacteriosis, is among the most important pathogens affecting finfish aquaculture globally. With the emergence of recombinant technology, subunit vaccines have been actively pursued, but mostly for viral diseases. Bacterial subunit vaccines are more difficult to develop since the bacterial genome is more complex, with numerous candidate antigens, leading to a lengthy and laborious screening process. Immunoproteomics, using western blotting on protein analyzed with 2DE and LC-MS/MS to isolate immune-reactive proteins and acquire amino acid sequences, followed by recombinant technology to clone the candidate gene, identified eight candidate antigens from Ph.d.p., which have been cloned and expressed in Escherichia coli BL21(DE3). These proteins were purified and used as antigens in an efficacy trial. Three, rHSP60, rENOLASE, and rGAPDH proteins, elicited higher specific antibody titers and stronger protective immunity than the other five and an inactivated Ph.d.p. whole bacterial vaccine. These three antigens may be candidates for the development of a subunit vaccine against Ph.d.p.

Original languageEnglish
Pages (from-to)412-419
Number of pages8
JournalFish and Shellfish Immunology
Volume30
Issue number1
DOIs
Publication statusPublished - 2011 Jan 1

Fingerprint

Photobacterium damselae
Subunit Vaccines
subunit vaccines
vaccine
antigen
antigens
Antigens
protein
Proteins
proteins
Genes
Bacterial Vaccines
viral disease
Aquaculture
finfish
Pathogens
fish culture
immunity
Escherichia coli
antibody

All Science Journal Classification (ASJC) codes

  • Environmental Chemistry
  • Aquatic Science

Cite this

Ho, Li Ping ; Han-You Lin, John ; Liu, Hsiao Chien ; Chen, Huey En ; Chen, Tzong-Yueh ; Yang, Huey Lang. / Identification of antigens for the development of a subunit vaccine against Photobacterium damselae ssp. piscicida. In: Fish and Shellfish Immunology. 2011 ; Vol. 30, No. 1. pp. 412-419.
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Identification of antigens for the development of a subunit vaccine against Photobacterium damselae ssp. piscicida. / Ho, Li Ping; Han-You Lin, John; Liu, Hsiao Chien; Chen, Huey En; Chen, Tzong-Yueh; Yang, Huey Lang.

In: Fish and Shellfish Immunology, Vol. 30, No. 1, 01.01.2011, p. 412-419.

Research output: Contribution to journalArticle

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