ITRAQ-based quantitative proteomic analysis reveals acute hypo-osmotic responsive proteins in the gills of the Japanese eel (Anguilla japonica)

Ka Fai William Tse, Jin Sun, Huoming Zhang, Keng Po Lai, Jie Gu, Jian Wen Qiu, Chris Kong Chu Wong

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Osmoregulation in fish has been a classical research topic for several decades. Salmon and eels are the widely used model animals because of their wide distribution in different geographical locations and spawning migration between fresh- and salt-water habitats. Numerous fish osmoregulatory hormones and ion transporters were identified for their essential roles in acclimation and adaptation to waters of different salinities. Because of the lack of a genomic database, the scope of most studies, however, is very limited. Recently, our group reported the first high-throughput transcriptomic and proteomic studies to identify hyperosmotic-responsive genes/proteins in gills of Japanese eels. In this study, we aimed to decipher changes in hypo-osmotic-responsive proteins in fish acclimating from seawater (SW) to freshwater (FW) conditions. We collected gill samples from SW-adapted and SW-to-FW-acclimating fish. The respective gill proteins were extracted and labeled using isobaric tags for relative and absolute quantitation (iTRAQ) and analyzed using a high-resolution mass spectrometer. In the short-term transfer from SW to FW, 51 hypo-responsive proteins were detected, and 24 unique hypo-osmotic-responsive proteins were identified (15 up-regulated and nine down-regulated proteins). Our data support the use of an omics approach to facilitate the application of functional genomics in non-model organisms. Biological significance: By combining transcriptomic and proteomic approaches, the study has provided the most comprehensive, targeted investigation of eel gill hypo-osmotic responsive proteins that provides molecular insights of osmoregulation mechanisms in a non-model organism, eel. This article is part of a Special Issue entitled: Proteomics of non-model organisms.

Original languageEnglish
Pages (from-to)133-143
Number of pages11
JournalJournal of Proteomics
Volume105
DOIs
Publication statusPublished - Jun 13 2014
Externally publishedYes

Fingerprint

Anguilla
Eels
Proteomics
Seawater
Fresh Water
Fish
Osmoregulation
Fishes
Proteins
Fish Proteins
Water
Salmon
Acclimatization
Salinity
Genomics
Saline water
Mass spectrometers
Ecosystem
Animal Models
Salts

All Science Journal Classification (ASJC) codes

  • Biophysics
  • Biochemistry

Cite this

ITRAQ-based quantitative proteomic analysis reveals acute hypo-osmotic responsive proteins in the gills of the Japanese eel (Anguilla japonica). / Tse, Ka Fai William; Sun, Jin; Zhang, Huoming; Lai, Keng Po; Gu, Jie; Qiu, Jian Wen; Wong, Chris Kong Chu.

In: Journal of Proteomics, Vol. 105, 13.06.2014, p. 133-143.

Research output: Contribution to journalArticle

Tse, Ka Fai William ; Sun, Jin ; Zhang, Huoming ; Lai, Keng Po ; Gu, Jie ; Qiu, Jian Wen ; Wong, Chris Kong Chu. / ITRAQ-based quantitative proteomic analysis reveals acute hypo-osmotic responsive proteins in the gills of the Japanese eel (Anguilla japonica). In: Journal of Proteomics. 2014 ; Vol. 105. pp. 133-143.
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