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Akademický článek

Symbiotic Dinoflagellates of the Giant Clam, Tridacna squamosa, Express Ammonium Transporter 2 at the Plasma Membrane and Increase Its Expression Levels During Illumination

Autor: Caryn Z. Pang, Mel V. Boo, Yuen K. Ip, Shit F. Chew

Publikováno v: Frontiers in Marine Science, Vol 9 (2022)

Giant clams harbor dinoflagellates generally of the three genera (Symbiodinium, Cladocopium, and Durusdinium) of phototrophic Symbiodiniaceae. Coccoid dinoflagellates (alias zooxanthellae) are found mainly inside zooxanthellal tubules located in the

Externí odkaz: https://doaj.org/article/09d2da6b31194bcd9001aca141211eb2

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Akademický článek

Using Transcript Levels of Nitrate Transporter 2 as Molecular Indicators to Estimate the Potentials of Nitrate Transport in Symbiodinium, Cladocopium, and Durusdinium of the Fluted Giant Clam, Tridacna squamosa

Autor: Caryn Z. Pang, Yuen K. Ip, Shit F. Chew

Publikováno v: Frontiers in Marine Science, Vol 8 (2021)

Giant clams are important ecosystem engineers of coral reefs because they harbor large quantities of phototrophic Symbiodiniaceae dinoflagellates of mainly genera Symbiodinium, Cladocopium, and Durusdinium. The coccoid dinoflagellates donate photosyn

Externí odkaz: https://doaj.org/article/a4abfd89f76d4df48e20701d07b7b9cf

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Akademický článek

Sodium-Dependent Phosphate Transporter Protein 1 Is Involved in the Active Uptake of Inorganic Phosphate in Nephrocytes of the Kidney and the Translocation of Pi Into the Tubular Epithelial Cells in the Outer Mantle of the Giant Clam, Tridacna squamosa

Autor: Yuen K. Ip, Mel V. Boo, Jeslyn S. T. Poo, Wai P. Wong, Shit F. Chew

Publikováno v: Frontiers in Marine Science, Vol 8 (2021)

Giant clams display light-enhanced inorganic phosphate (Pi) absorption, but how the absorbed Pi is translocated to the symbiotic dinoflagellates living extracellularly in a tubular system is unknown. They can accumulate Pi in the kidney, but the tran

Externí odkaz: https://doaj.org/article/ef8e4d9b3c6147f6a167a796ea6a7010

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Akademický článek

Light-Dependent Phenomena and Related Molecular Mechanisms in Giant Clam-Dinoflagellate Associations: A Review

Autor: Yuen K. Ip, Shit F. Chew

Publikováno v: Frontiers in Marine Science, Vol 8 (2021)

Giant clams can grow to large sizes despite living in oligotrophic waters of the tropical Indo-Pacific as they maintain a mutualistic relationship with symbiotic dinoflagellates (zooxanthellae) and receive photosynthate from them. The phototrophic di

Externí odkaz: https://doaj.org/article/897015b0f5cc4f8b8fba2ef08f687913

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Akademický článek

The colorful mantle of the giant clam Tridacna squamosa expresses a homolog of electrogenic sodium: Bicarbonate cotransporter 2 that mediates the supply of inorganic carbon to photosynthesizing symbionts

Autor: Mel V. Boo, Shit F. Chew, Yuen K. Ip

Publikováno v: PLoS ONE, Vol 16, Iss 10 (2021)

Giant clams live in symbiosis with phototrophic dinoflagellates, which reside extracellularly inside zooxanthellal tubules located mainly in the colourful and extensible outer mantle. As symbiotic dinoflagellates have no access to the ambient seawate

Externí odkaz: https://doaj.org/article/0e3fc0861b3a4e0e9ee7c394523694a8

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Akademický článek

The Non-ureogenic Stinging Catfish, Heteropneustes fossilis, Actively Excretes Ammonia With the Help of Na+/K+-ATPase When Exposed to Environmental Ammonia

Autor: Shit F. Chew, Stephanie Z. L. Tan, Sabrina C. Y. Ip, Caryn Z. Pang, Kum C. Hiong, Yuen K. Ip

Publikováno v: Frontiers in Physiology, Vol 10 (2020)

The stinging catfish, Heteropneustes fossilis, can tolerate high concentrations of environmental ammonia. Previously, it was regarded as ureogenic, having a functional ornithine-urea cycle (OUC) that could be up-regulated during ammonia-loading. Howe

Externí odkaz: https://doaj.org/article/32ef453395924a2598bd222ce2540d46

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Akademický článek

Molecular Characterization of a Dual Domain Carbonic Anhydrase From the Ctenidium of the Giant Clam, Tridacna squamosa, and Its Expression Levels After Light Exposure, Cellular Localization, and Possible Role in the Uptake of Exogenous Inorganic Carbon

Autor: Clarissa Z. Y. Koh, Kum C. Hiong, Celine Y. L. Choo, Mel V. Boo, Wai P. Wong, Shit F. Chew, Mei L. Neo, Yuen K. Ip

Publikováno v: Frontiers in Physiology, Vol 9 (2018)

A Dual-Domain Carbonic Anhydrase (DDCA) had been sequenced and characterized from the ctenidia (gills) of the giant clam, Tridacna squamosa, which lives in symbiosis with zooxanthellae. DDCA was expressed predominantly in the ctenidium. The complete

Externí odkaz: https://doaj.org/article/fd6201c84c2d4c7f91b0ff6e8d05addb

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The giant clam Tridacna squamosa quickly regenerates iridocytes and restores symbiont quantity and phototrophic potential to above-control levels in the outer mantle after darkness-induced bleaching

Autor: Shit F. Chew, Yuen K. Ip, Mel V. Boo, Miguel Mies

Publikováno v: Coral Reefs. 41:35-51

Giant clams are ecologically and economically relevant reef inhabitants that host photosynthetic dinoflagellates inside tubules located mainly in their colorful outer mantle. This study examined the effects of exposure to darkness for 30 days and the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9e51bb81721ca2029b8eaa85bc4ba49d
https://doi.org/10.1007/s00338-021-02199-3

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Transepithelial absorption of exogenous inorganic carbon in the ctenidium of the giant clam, Tridacna squamosa involves a basolateral electrogenic Na+–HCO3− cotransporter 1 that displays light-enhanced gene and protein expression levels

Autor: Mel V. Boo, Shit F. Chew, Yuen K. Ip

Publikováno v: Coral Reefs. 40:1849-1865

Giant clams live in symbiosis with phototrophic dinoflagellates. They need to increase the uptake of inorganic carbon (Ci) from the ambient seawater to support light-enhanced shell formation in the host and photosynthesis in the symbionts during illu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d0865f352b731c035cfd276330ed56da
https://doi.org/10.1007/s00338-021-02142-6

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