Pleurotus pulmonarius Stalk Waste Extract Supplementation Modulates Serum Proteins Level in Red Hybrid Tilapia Oreochromis sp. upon PAMPs Challenge

Joo Jie Ching; Adawiyah Suriza Shuib; Nazia Abdul Majid; Norhidayah Mohd Taufek; Mohd Nazri Ismail; Noorlidah Abdullah

doi:10.55230/mabjournal.v54i3.3254

Authors

Joo Jie Ching Institute of Biological Sciences, Faculty of Science, Universiti Malaya, 50603 Kuala Lumpur, Malaysia; Centre of Postgraduate Studies, Lincoln University College, 47301, Petaling Jaya, Selangor, Malaysia https://orcid.org/0000-0002-5868-7939
Adawiyah Suriza Shuib
adawiyah@um.edu.my
Institute of Biological Sciences, Faculty of Science, Universiti Malaya, 50603 Kuala Lumpur, Malaysia; Mushroom Research Centre, Institute of Biological Sciences, Faculty of Science, Universiti Malaya, 50603 Kuala Lumpur, Malaysia
Nazia Abdul Majid Institute of Biological Sciences, Faculty of Science, Universiti Malaya, 50603 Kuala Lumpur, Malaysia
Norhidayah Mohd Taufek Institute of Biological Sciences, Faculty of Science, Universiti Malaya, 50603 Kuala Lumpur, Malaysia; AquaNutri Biotech Research Laboratory, Institute of Biological Sciences, Faculty of Science, Universiti Malaya, 50603 Kuala Lumpur, Malaysia
Mohd Nazri Ismail Analytical Biochemistry Research Centre, Universiti Sains Malaysia, 11900, Bayan Lepas, Penang, Malaysia
Noorlidah Abdullah Institute of Biological Sciences, Faculty of Science, Universiti Malaya, 50603 Kuala Lumpur, Malaysia; Mushroom Research Centre, Institute of Biological Sciences, Faculty of Science, Universiti Malaya, 50603 Kuala Lumpur, Malaysia

Keywords:

functional feed, metabolite, mushroom stalk waste, proteomic, red hybrid tilapia

Abstract

Utilization of functional feeds to enhance fish health and disease resistance has become common practice in aquaculture over the past few decades. This study investigated the effects of hot water extract (HWE)-supplemented feed on serum protein expression in red hybrid tilapia following PAMPs challenge. Fish were fed with a basal or HWE-supplemented diet for 30 days and subsequently injected with lipopolysaccharide (LPS), polyinosinic: polycytidylic acid (poly(I:C)), or PBS (control). Proteomic analysis revealed differential expression of key immune-related proteins like immunoglobulin µ heavy chain and apolipoprotein A-II, which were significantly higher in the HWE-supplemented group upon LPS challenge. On the other hand, C-type lectin domain-containing protein, immunoglobulin µ heavy chain, hemopexin, serotransferrin, α2-HS-glycoprotein-like, inter-alpha-trypsin inhibitor heavy chain H3-like, L-rhamnose-binding lectin, and vitellogenin were lower in the HWE-supplemented diet group as compared to the basal diet group post-poly(I:C) challenge, while plasma protease C1 inhibitor and apolipoprotein Eb increased. Functional classifications analysis revealed that most of the DEPs found were involved in the cellular process, biological regulation, metabolic process, and response to stimulus. LC-MS identified bioactive metabolites in HWE, which may contribute to its immunomodulatory effects. These findings suggest that HWE supplementation modulates immune protein expression and enhances disease resilience in tilapia, offering a sustainable strategy for improving aquaculture productivity.

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