Glutathione (GSH) Production as Protective Adaptation  Against Light Regime Radiation of Symbiodinium Natural Population

Muhaemin, Moh.; Soedharma, Dedi; Madduppa, Hawis; Zamani, Neviaty Putri

doi:10.14710/ik.ijms.22.3.121-125

Cited by 2 publications

(1 citation statement)

References 12 publications

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“…The findings presented here are in agreement with the results of Haghjou et al ( 2009 ), who observed increased glutathione, ascorbate, SOD and POD activity in D. salina when these cells were grown at low temperature under high light irradiation (Table 2 ). Similarly, an increased glutathione content with increases in light irradiance levels was observed in an endosymbiotic dinoflagellate ( Symbiodinium ) (Muhaemin et al 2017 ), which is also consistent to the findings presented here. In addition, the result is in line with the investigation of El-Baky et al ( 2004 ), who obtained high POD and SOD activity as well as high total glutathione and ascorbate content in limited nitrogen cultures of D. salina under high light irradiation .…”

Section: Discussionsupporting

confidence: 92%

Tuning Dunaliella tertiolecta for Enhanced Antioxidant Production by Modification of Culture Conditions

2021

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Microalgae, a popular source of food and bioactive compounds, accumulate antioxidants in response to culture condition stresses. Using a factorial design (3 × 3), the effect of light, temperature, and nitrogen level on chlorophyll and carotenoids, total protein, total phenolic, ascorbate and glutathione content, and enzyme (catalase (CAT), superoxide dismutase (SOD), and peroxidase (POD)) activities in Dunaliella tertiolecta was studied. Data were analysed using Design of Experiments (DoE), and recommendations are made for optimum cultivation conditions to achieve the highest antioxidant content (phenolics, ascorbate and glutathione) or enzyme (CAT, SOD, and POD) activities. This is the first study to apply three levels of three factors during cultivation to tune Dunaliella tertiolecta for optimal antioxidant production.

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Section: Discussionsupporting

confidence: 92%

Tuning Dunaliella tertiolecta for Enhanced Antioxidant Production by Modification of Culture Conditions

2021

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The intracellular photopigment and glutathione (GSH) dynamics in symbiodinium natural population during light stress and recovery

Zamani

Soedharma

Madduppa

et al. 2019

IOP Conf. Ser.: Earth Environ. Sci.

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It is already proven by scientists, that mass coral bleaching is an early signal for increasing global temperature. Over the last decades, there was a lack of studies aimed at photoinhibition in Symbiodinium during laboratory treatments. It was important to predict the initial adaptation in relation to photo-inhibitory of photosynthesis accompanied by slight photo- protective mechanisms and gradual recovery of Symbiodinium. This information is important to understand the recovery mechanism of mass coral bleaching, which can help to develop sustainable management of the ecosystem. In our manuscript, we applied medium light stress [600 μmol (photon).m−2.s−1] to trigger changes in intracellular photo-pigments (chlorophyll a, chlorophyll c, carotenoid) and glutathione (GSH) contents in Symbiodinium. The result showed that light-induced generated various depletion in chlorophyll (chl) a and chlorophyll (chl) c contents, and more production in intracellular carotenoid and GSH. The total intracellular GSH increased during the first 10 min of culture at high light treatment and followed by a decrease (at 60 min). The GSH recovery finished in Symbiodinium even after 6 h indicated the high ability of photo-protective processes in the species as another photoinhibition effect and its photosynthetic performance in the initial environment.

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Glutathione (GSH) Production as Protective Adaptation Against Light Regime Radiation of Symbiodinium Natural Population

Abstract: Glutathione (GSH)

Cited by 2 publications

References 12 publications

Tuning Dunaliella tertiolecta for Enhanced Antioxidant Production by Modification of Culture Conditions

Tuning Dunaliella tertiolecta for Enhanced Antioxidant Production by Modification of Culture Conditions

The intracellular photopigment and glutathione (GSH) dynamics in symbiodinium natural population during light stress and recovery

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