Freshwater bivalve<i>Corbicula sandai</i>uses free amino acids as osmolytes under hyperosmotic condition

Hosoi, Masatomi; Yoshinaga, Yuki; Toyohara, Masako; Shiota, Fumiko; Toyohara, Haruhiko

doi:10.1111/j.1444-2906.2008.01662.x

Cited by 13 publications

(9 citation statements)

References 11 publications

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“…Taurine has also been reported to accumulate in intracellular spaces of aquatic molluscs and is used as an osmolyte (Hosoi et al . ).…”

Section: Physiological Functions Of Taurine In Fishmentioning

confidence: 97%

“…Similar results have been reported in freshwater prawn (Macrobrachiumrosenbergii) (Tan & Chong 1981), where their transfer from diluted to more concentrated media caused a significant increase in FAA concentration in muscle tissue and a decrease in haemolymph protein content. Taurine has also been reported to accumulate in intracellular spaces of aquatic molluscs and is used as an osmolyte (Hosoi et al 2008).…”

Section: Physiological Functions Of Taurine In Fishmentioning

confidence: 99%

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Is dietary taurine supplementation beneficial for farmed fish and shrimp? a comprehensive review

El‐Sayed

2013

Reviews in Aquaculture

132

106

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Taurine is a neutral β‐amino acid derived from the metabolism of sulphur‐containing amino acids. It is present in high concentrations in animal tissues, especially heart, retina, skeletal muscle, brain, large intestines, plasma, blood cells and leucocytes. Therefore, this amino acid plays significant roles in many physiological functions, including membrane stabilization, antioxidation, detoxification, modulation of immune response, calcium transport, myocardial contractility, retina development, bile acid metabolism, osmotic regulation and endocrine functions. Historically, taurine has not been considered as an essential nutrient for fish. However, recent studies have indicated that taurine synthesis widely differs between fish species and demonstrated that it plays a key role in aquaculture and nutrition of freshwater and marine fish and shrimp. Animal proteins are rich in taurine, whereas plant proteins are taurine‐deficient. Therefore, fish fed plant protein–based food may require exogenous taurine for maintaining their physiological functions. Nevertheless, taurine may be conditionally indispensable for fish and shrimp, depending on dietary protein source, fish species and size, feeding habits, previous histories and the rate of metabolism of its precursors, namely cysteine and methionine. It is my belief that taurine functions in, and benefits for, farmed fish and shrimp are now more than worthy of critical review and analysis. This review summarizes the current knowledge on the roles of taurine in fish, particularly farmed fish and shrimp, with emphasis on taurine structure and biosynthesis, physiological functions, the effects of dietary taurine on fish performance and health and live food enrichment with taurine.

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“…Taurine has also been reported to accumulate in intracellular spaces of aquatic molluscs and is used as an osmolyte (Hosoi et al . ).…”

Section: Physiological Functions Of Taurine In Fishmentioning

confidence: 97%

Section: Physiological Functions Of Taurine In Fishmentioning

confidence: 99%

Is dietary taurine supplementation beneficial for farmed fish and shrimp? a comprehensive review

El‐Sayed

2013

Reviews in Aquaculture

132

106

View full text Add to dashboard Cite

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“…Aquatic invertebrates lack advanced homeostatic mechanisms to maintain their internal osmolality [ 44 ]. Thus, it is implied that the water content and the dry to wet ratio of the soft tissue of an aquatic invertebrate like C. javanica could reflect the geo-chemical composition of its natural habitat.…”

Section: Resultsmentioning

confidence: 99%

Human Health Risk Assessments of Trace Metals on the Clam Corbicula javanica in a Tropical River in Peninsular Malaysia

Yap

Wong

Al‐Shami

et al. 2020

IJERPH

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This study aimed to analyse ten trace metal concentrations in the edible part of the freshwater clam Corbicula javanica and to provide a critical assessment of the potential risks to human health through consumption of this clam as food based on well-established indices and food safety guidelines. The clams were captured from a pristine original site and transplanted to other sites with different environmental qualities. The trace metal levels in the edible total soft tissue (TST) of the clam were below those of the food safety guidelines referred to except for Pb, which exceeded the permissible limit set by the European Commission (2006) and the US Food and Drug Administration/ Center for Food Safety and Applied Nutrition); Interstate Shellfish Sanitation Conference. (USFDA/CFSAN; ISSC) (2007). The estimated daily intake (EDI) values of the clam were found to be lower than the oral reference dose and the calculated target hazard quotient (THQ) and total THQ were found to be less than 1. Therefore, in conclusion, the human health risk for consumption of TST of C. javanica at both average and high-level were insignificant regardless of the environment it was exposed to.

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“…It may be used as an energy source for osmoregulation (Jiang et al, 2019). On the other hand, osmole systems in freshwater bivalves have rarely been reported, probably because the necessity of osmole systems is apparently less in freshwater bivalves due to their lower and more stable internal osmolality (Hosoi et al, 2008). However, a few studies have indicated that, despite the lower necessity, freshwater bivalves possess the ability to increase some FAAs under hyperosmotic conditions.…”

Section: Introductionmentioning

confidence: 99%

Osmotic regulation of free amino acid for adaptation to high salt in razor clam

Deng

Wang

et al. 2023

Preprint

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Free amino acids play an important role in osmotic regulation induced by high salt. In order to study the effect of free amino acids on the osmotic regulation of Sinonvacula constricta cells, the salinity was set at 20 and 32 in control group and experimental group. In the experimental group, proline, taurine and alanine amino acid solid powder with concentration of 5ug/ml was added. Serum and cell samples were taken from each group at different time points for detection by osmotic pressure and detection by flow cytometry. In summary, we found that serum osmolality, total free amino acid and single free amino acid content increased with the increase of salt stress, and remained at a high level. Under high salt conditions, the osmotic pressure in S. constricta could not equilibrate with the seawater environment. In the later stages of stress, the gap between the two gradually widened. Under the condition of amino acid addition, the osmotic pressure is gradually the same as that of foreign seawater. Furthermore, the mean number of fluorescent channels produced by high salt downflow cytometry was significantly lower than that of the other amino acid groups. Among the three amino acids, proline has the largest accumulation in the S. constrictaand the shortest regulation time for osmotic balance. It has been shown that free amino acids can help better osmotic regulation of hypersaline S. constricta. The results of this study provide a reference for exploring the physiological mechanism of the amino acid on salt tolerance in bivalves.

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Freshwater bivalveCorbicula sandaiuses free amino acids as osmolytes under hyperosmotic condition

Cited by 13 publications

References 11 publications

Is dietary taurine supplementation beneficial for farmed fish and shrimp? a comprehensive review

Is dietary taurine supplementation beneficial for farmed fish and shrimp? a comprehensive review

Human Health Risk Assessments of Trace Metals on the Clam Corbicula javanica in a Tropical River in Peninsular Malaysia

Osmotic regulation of free amino acid for adaptation to high salt in razor clam

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