Non-specific immune response and disease resistance induced by Siegesbeckia glabrescens against Vibrio parahaemolyticus in Epinephelus bruneus

Harikrishnan, Ramasamy; Kim, Dong‐Hwi; Hong, Seok Cheol; Mariappan, Pitchaimuthu; Balasundaram, Chellam; Heo, Moon‐Soo

doi:10.1016/j.fsi.2012.05.018

Cited by 35 publications

(14 citation statements)

References 38 publications

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“…The findings of WBC count and other defence cells in rainbow trout treated with Echinacea purpurea and Persian oak (Quercus brantii) were similar to the results of this study (Bohlouli Oskoii et al 2012;Bohlouli et al 2016). The WBCs provide protection against pathogens (Harikrishnan et al 2012). In this study, F. angulata extractsupplemented diet improved the immunological indices in experimental groups compared to control group.…”

Section: Discussionsupporting

confidence: 89%

“…Serum lysozyme activity increased in rainbow trout fingerlings fed and treated with Quercus brantii extract (Bohlouli et al 2016) and supplemented with Aloe vera extract (Haghighi et al 2014). Some studies have reported various effects of herbal extracts on serum lysozyme activity (Ardo et al 2008;Harikrishnan et al 2011;Harikrishnan et al 2012). Alternative complement pathway (ACH 50 ) and classical pathways (C3 and C4) increased in experimental groups supplemented with F. angulata extract.…”

Section: Discussionmentioning

confidence: 99%

“…These immunological variables were reported in rainbow trout fingerlings supplemented with Persian oak (Bohlouli et al 2016). An alternate complement system was found to be enhanced by traditional Korean herbs in Paralichthys olivaceus (Harikrishnan et al 2012). Diet supplementation with herb oils (Thymus vulgaris and Foeniculum vulgare) can increase disease resistance.…”

Section: Discussionmentioning

confidence: 99%

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Growth performance and haematological and immunological indices of rainbow trout (Oncorhynchus mykiss) fingerlings supplemented with dietary Ferulago angulata (Schlecht) Boiss

Bohlouli

Sadeghi

2016

Acta Vet. Brno

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In this study, the effects of Ferulago angulata extract on the growth, haematological, and immunological indices of rainbow trout (Oncorhynchus mykiss) fingerlings were evaluated. Basal diet was supplemented with 0 (control), 0.5, 1, and 2 g·kg -1 F. angulata and was randomly allocated to experimental fish of an initial average weight of 7.45 ± 0.02 g. After 8 weeks of experiment, the fish supplemented with F. angulata extract showed increased but non-significant (P > 0.05) growth performance. No significant differences were found between trial control groups in haematological indices such as red blood cell count, haematocrit, and haemoglobin, but there was a significant increase in white blood cells, lymphocytes, neutrophils and monocytes in the F. angulata extract groups (P < 0.05). Also, there were significant differences between the fish supplemented with dietary F. angulata extract and the control group regarding immunological indices, including immunoglobulin M, lysozyme, and classical and alternative complement pathway (P < 0.05). These findings suggest that the administration of F. angulata extract has a positive effect on the immunological indices and the immune system activity in rainbow trout fingerling. Fish, herbal extract, blood indices, immune system

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Section: Discussionsupporting

confidence: 89%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Growth performance and haematological and immunological indices of rainbow trout (Oncorhynchus mykiss) fingerlings supplemented with dietary Ferulago angulata (Schlecht) Boiss

Bohlouli

Sadeghi

2016

Acta Vet. Brno

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“…The extraction procedure was carried out by following the methods of Harikrishnan et al . () with slight modifications. One hundred grams of powdered material was extracted with 1000 mL of 70% ethanol.…”

Section: Methodsmentioning

confidence: 99%

Effects of dietary Persian oak (Quercus brantiivar.persica) fruit extract on survival, growth performance, haematological and immunological parameters in rainbow trout,Oncorhynchus mykiss, fingerlings

et al. 2015

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The aim of study was to evaluate the effects of jaft (internal layer of oak fruit) extract on growth, haematological and immunological parameters in rainbow trout fingerlings. A total of 360 fish (average weight 6.25 g, total length 7.75 cm) were randomly distributed in 12 fibreglass tanks (stocking density: 1.04 g L À1 ) with flow rate of 8 L min À1 . The ethanolic extraction of jaft was taken, and, then, a basal diet was supplemented with 0 (control), 0.5, 1 and 2 g kg À1 to formulate four experimental diets. After 8 weeks, blood sampling was performed for haematological and immunological parameters. While immunological parameters such as IgM and lysozyme showed their lowest level in control group, their highest amounts appeared in 2 g kg À1 group. C3, C4 and alternative complement activity increased in fish fed 2 g kg À1 extract compared to control (P ˂ 0.05). Haematological parameters such as white blood cell, red blood cell, haemoglobin and haematocrit were enhanced in experimental groups (P ˂ 0.05). Survival and growth indices did not show significant changes in experimental treatments (P ˃ 0.05). Results indicated feeding rainbow trout with Persian oak extract at 0.5, 1.0 and 2.0 g kg À1 levels significantly enhance the immunological parameters.

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“…The contig sequences are available from the deposited NCBI's Gene Expression Omnibus GEO series (GenBank ID: GSE27994). Similar information on immune-related genes is available for few other species such as kelp grouper, Epinephelus bruneus [29]; miiuy croaker, Miichthys miiuy [30] and seabream, Chrysophrys major [31]. However, the number of classified immunerelated contigs in the present study is quite high due to the mRNA-seq data available for rohu.…”

Section: Analysed Immune-related Estsmentioning

confidence: 52%

Analysis of immune-related ESTs and differential expression analysis of few important genes in lines of rohu (Labeo rohita) selected for resistance and susceptibility to Aeromonas hydrophila infection

et al. 2014

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A total of 137,629 contigs generated via de novo transcriptome assembly from resistant and susceptible lines of rohu (first generation) raised against aeromoniasis were further analyzed in terms of defence-related genes. Out of 1,939 contigs showing homology to genes involved in immune processes, 1,866 were further categorised into different functional subgroups. Comparative analysis revealed five genes for the first time in any carp species out of which apolipoprotein h, septin 4 isoform 3 and septin isoform cra_c were identified for the first time in fish. Differential expression analysis of ten genes viz., heat shock proteins (Hsps) (Hsp30, Hsp70 and Hsp90), serum lectin isoform 1 (SLI1), linker histone H1M (LHH1M), NAD(P)H quinone 1 (NQO1), zona pellucida 2 (ZP2) and three unknown genes that were highly up-expressed in first generation resistant line fish from mRNA-seq coverage data, was carried out using susceptible and resistant individuals of the second generation selected populations in eight different tissues viz. liver, kidney, intestine, gill, brain, spleen, skin and muscle using qPCR. Significant up-regulation in Hsp90, NQO1, C_116914 and C_22454 in specific tissues of resistant line and variable expression in Hsp30 and LHH1M genes in different tissues of both lines were noticed. The expression of Hsp70 was lower in many tissues of the resistant line than in susceptible line rohu. The expression of ZP2, SLI1 and C_94589 genes was not significantly different in terms of fold difference between the two lines. Differentially expressed genes need further characterisation to explore their role in resistance to Aeromonas hydrophila infection in rohu.

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Non-specific immune response and disease resistance induced by Siegesbeckia glabrescens against Vibrio parahaemolyticus in Epinephelus bruneus

Cited by 35 publications

References 38 publications

Growth performance and haematological and immunological indices of rainbow trout (Oncorhynchus mykiss) fingerlings supplemented with dietary Ferulago angulata (Schlecht) Boiss

Growth performance and haematological and immunological indices of rainbow trout (Oncorhynchus mykiss) fingerlings supplemented with dietary Ferulago angulata (Schlecht) Boiss

Effects of dietary Persian oak (Quercus brantiivar.persica) fruit extract on survival, growth performance, haematological and immunological parameters in rainbow trout,Oncorhynchus mykiss, fingerlings

Analysis of immune-related ESTs and differential expression analysis of few important genes in lines of rohu (Labeo rohita) selected for resistance and susceptibility to Aeromonas hydrophila infection

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