Modulation of the innate immune system in white shrimp Litopenaeus vannamei following long-term low salinity exposure

Lin, Yih‐Hwang; Chen, Jiann-Chu; Li, Chang-Che; Morni, Wan Zabidii Wan; Suhaili, Awangku Shahrir N. A.; Kuo, Yau‐Hwang; Chang, Yu‐Hsuan; Chen, Lili; Tsui, Wen-Ching; Chen, Yu-Yuan; Huang, Chien-Lun

doi:10.1016/j.fsi.2012.05.006

Cited by 66 publications

(49 citation statements)

References 50 publications

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“…The majority (98%) of data was from L. vannamei, the main cultured species in Thailand. This euryhaline shrimp tolerates a wide range of salinity, 1−40 ‰ (Lin et al 2012), thus the change in salinity during a period of high rainfall was presumably irrelevant to WSD occurrence in this shrimp species. Besides, less atmospheric temperature fluctuation in months with a high amount of rain (r = −0.81; Table 4.…”

Section: Discussionmentioning

confidence: 98%

Climate factors influence the occurrence of white spot disease in cultured penaeid shrimp in Chanthaburi province, Thailand

Piamsomboon¹,

Inchaisri²,

Wongtavatchai³

2016

Aquacult. Environ. Interact.

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This study investigated the prevalence of white spot disease (WSD) in an intensive shrimp culture area located in Chanthaburi province, Thailand, during 2009−2014. Retrospective data of 1952 WSD cases obtained from government laboratories were analyzed to study the association between WSD occurrence and climate factors using negative binomial regression (NBR) models. Climate factors included daily atmospheric temperature, relative humidity, wind speed, total amount of rainfall and rain days during the disease notifications. The annual prevalence of WSD was significantly higher from 2009 to 2011 than from 2012 to 2014. Interestingly, the monthly WSD occurrence was unchanged between those time periods. A high number of WSD cases was found between October and February, while fewer cases were reported during March to June, and the lowest numbers were reported in May. The multivariate NBR model indicated significant associations between an increased number of WSD cases with decreased atmospheric temperature and increased variation in daily atmospheric temperature. A high incident rate ratio (IRR) of WSD was observed when average atmospheric temperature ranged between 24.5 and 27.2°C (IRR: 2.53, 95% CI: 1.72−3.75) and there was increased variation in daily atmospheric temperature (IRR: 1.08, 95% CI: 0.99−1.20). The time series analysis concluded that low ambient atmospheric temperature and high daily atmospheric temperature variation were promoting factors for WSD occurrence.

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Section: Discussionmentioning

confidence: 98%

Climate factors influence the occurrence of white spot disease in cultured penaeid shrimp in Chanthaburi province, Thailand

Piamsomboon¹,

Inchaisri²,

Wongtavatchai³

2016

Aquacult. Environ. Interact.

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“…About 20000 white shrimp postlarvae (PL [5][6] ) obtained from a hatchery farm in Kaohsiung, Taiwan were shipped to the laboratory and reared in fiberglass tanks filled with filtered natural 35% salinity seawater at room temperature. They were initially fed live Artemia nauplii and later given an artificial diet until they grew a weight of about 0.48 g. They were then separated into five tanks with final acclimated salinity levels of 2.5%, 5%, 15%, 25%, and 35%, and reared for 24 weeks following previously described procedures [6].…”

Section: Experimental Designmentioning

confidence: 99%

“…They were initially fed live Artemia nauplii and later given an artificial diet until they grew a weight of about 0.48 g. They were then separated into five tanks with final acclimated salinity levels of 2.5%, 5%, 15%, 25%, and 35%, and reared for 24 weeks following previously described procedures [6]. Shrimp in the intermoult stage were sampled for the study [25].…”

Section: Experimental Designmentioning

confidence: 99%

“…This species exhibits hyper-osmotic regulation at low salinity levels and exhibits hypo-osmotic regulation at high salinity levels, with an isoosmotic point of 718 mOsm/kg (equivalent to 25%) [3]. White shrimp reared at 15%~20%, or even to 25%, grow much better [4][5][6]. However, shrimp farming is liable to encounter various environmental stressors such as water temperature, salinity, pH, hypoxia, and pollutants that lead to increased susceptibility to foreign pathogen infection [7][8][9][10].…”

Section: Introductionmentioning

confidence: 99%

“…Three types of SOD, known as cytosolic manganese SOD (cytMnSOD), mitochondrial manganese SOD (mtMnSOD), and extracellular copper and zinc SOD (ecCuZnSOD) have been identified in white shrimp, and they provide an important role in the antioxidant system [18][19][20][21][22]. White shrimp L. vannamei under long-term culture at 15%, 25%, and 35% salinities have significantly higher levels in their immune parameters, including phenoloxidase (PO) activity, respiratory burst (RB), superoxide dismutase (SOD) activity, and lysozyme activity, but have significantly lower expression levels of LGBP, peroxinectin (PX), integrin β, and α2-macroglobulin (α2-M) than shrimp reared at 2.5% and 5% [6]. Shrimp reared at such low salinity levels are considered to be in an unfavorable condition that brings about chronic stress.…”

Section: Introductionmentioning

confidence: 99%

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Up-regulated Expressions of Immune Parameters, ppa, propo, sod, and hsp70 in White Shrimp Litopenaeus vannamei Reared at Unfavorable Low Salinities

Chen¹,

Yc²,

Yy³

et al. 2017

J Aquac Res Development

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Temporal patterns in innate immunity parameters in reef‐building corals and linkages with local climatic conditions

et al. 2016

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Abstract. Extremes in seasonal environmental conditions can significantly impact the health and physiological functioning of reef corals, underscoring the need for knowledge of seasonally specific baselines from which to monitor and forecast impending stress. Increases above summertime means in seawater temperature, sunlight intensity, turbidity, or sedimentation may reduce coral immunocompetency and increase disease and bleaching susceptibility. We analyzed temporal patterns in innate immunity parameters over nine time points throughout one year to establish baseline levels from which anomalies might be detected for representative species from three major reef-building coral families (Acroporidae, Faviidae, and Poritidae). Temporal patterns in both phenoloxidase activity and expression of green fluorescent protein-like proteins varied among the three families, as did overall constitutive levels. For example, Porites cylindrica had 2.8-fold higher yearly average levels of phenoloxidase activity than Acropora millepora, which had the lowest levels. In contrast, mean fluorescence was lowest in Acropora millepora and highest in Echinopora mammiformis. Relationships between the potential physical drivers (seasonal variation in seawater temperature, rainfall, salinity) and temporal patterns in these parameters also differed among the three species. For example, phenoloxidase activity was positively correlated with seawater temperature in A. millepora, but negatively correlated in both E. mammiformis and P. cylin drica. Distinctions in constitutive levels and temporal patterns in these parameters among species suggest that corals from these three families have evolved different strategies for investing resources into innate immune parameters. Such differences highlight the need for species-specific baselines and long-term assessments to accurately predict coral reef trajectories in rapidly changing environments.

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Modulation of the innate immune system in white shrimp Litopenaeus vannamei following long-term low salinity exposure

Cited by 66 publications

References 50 publications

Climate factors influence the occurrence of white spot disease in cultured penaeid shrimp in Chanthaburi province, Thailand

Climate factors influence the occurrence of white spot disease in cultured penaeid shrimp in Chanthaburi province, Thailand

Up-regulated Expressions of Immune Parameters, ppa, propo, sod, and hsp70 in White Shrimp Litopenaeus vannamei Reared at Unfavorable Low Salinities

Temporal patterns in innate immunity parameters in reef‐building corals and linkages with local climatic conditions

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