Physiological adaptation of the diatom Pseudo-nitzschia delicatissima under copper starvation

Long, Marc; Lelong, Aurélie; Bucciarelli, Eva; Grand, Fabienne Le; Hégaret, Hélène; Soudant, Philippe

doi:10.1016/j.marenvres.2023.105995

Cited by 4 publications

(6 citation statements)

References 50 publications

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“…Increase in the domoic acid isomer-C production was observed in Pseudo-nitzschia under optimal Zn conditions [231]. Alternatively, elevated Zn levels decreased domoic acid production, which is contrasting to responses by Pseudo-nitzschia under stress toxicity by other metal ions [238,240,241]. Decrease in toxin production was also observed for P. reticulatum [231].…”

Section: Zinc (Zn)mentioning

confidence: 88%

“…For some HABs, most of these strategies aim to preserve survival of the organism. The stabilization and maintenance of photosynthesis at the PSII step [298] and preference for pigment and lipid reconstruction [238] were observed for P. delicatissima. This alludes to be a compensation for the role of Cu in plastocyanin in the electron transfer chain of photosynthesis.…”

Section: Copper (Cu)mentioning

confidence: 90%

“…Mn, Zn, Cu, Co, Se [231] Fe, Co, Se [234] Prorocentrum dentatum Fe [235] Prorocentrum donghaiense Co (Vitamin B 12 ) [204] Prorocentrum lima Mn, Zn, Cu, Co, Se [231] Prorocentrum micans Cu [213] Prorocentrum minimum Co (Vitamin B 12 ) [204] Pseudo-nitzschia sp. Fe, Cu [175,198] Pseudo-nitzschia australis Mn, Zn, Cu, Co, Se [231] Fe, Cu [236] Pseudo-nitzschia delicatissima Fe, Cu [237] Cu [238] Pseudo-nitzschia multiseries Fe [239] Cu [240,241] Co (Vitamin B 12 ) [204] Pseudo-nitzschia pungens Co (Vitamin B 12 ) [204] Rhizosolenia setigera Cu [217] Scrippsiella trochoidea Fe [242] Co (Vitamin B 12 ) [204] Skeletonema costatum Fe [235] Takayama acrotrocha Co (Vitamin B 12 ) [204] Thalassiosira pseudonana Cu, As [220] Trichodesmium Ni [190,243] Table 3. List of research focusing on trace metals in specific HAB species in freshwater ecosystems.…”

Section: Species Metals Referencesmentioning

confidence: 99%

“…Marine and estuarine populations of Gymnodinium breve [224], A. minutum [197,211], Pseudo-nitzschia sp. [175,198], Pseudo-nitzchia multiseries [240,241], P. delicatissima [237,238], P. australis [236], Amphidinium carterae [213], Prorocentrum micans [213], Alexandrium catenella [206,207], Ostreopsis ovata [206], Cochlodinium polykrikoides [221][222][223], and Karenia brevis [201] have exhibited toxicity to high Cu concentrations. Furthermore, some freshwater HAB species such as A. anophagefferens [214], Anabaenopsis [244], Closterium ehrenbergii [247], Lyngbya wollei [251], and Microcystis aeruginosa [65,203,244,248,[254][255][256]267,268] also show decreased growth in high Cu concentrations.…”

Section: Copper (Cu)mentioning

confidence: 99%

See 3 more Smart Citations

Trace Metals in Phytoplankton: Requirements, Function, and Composition in Harmful Algal Blooms

Manic,

Redil,

Rodriguez

2024

Sustainability

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In a constantly changing environment brought about by the climate crisis and escalated anthropogenic perturbations driven by the growing population, harmful algal bloom dynamics and their impacts are expected to shift, necessitating adaptive management strategies and comprehensive research efforts. Similar to primary productivity, HABs have been thought to be driven primarily by major nutrients such as N, P, and Si. However, recent investigations on the role and importance of micronutrients as limiting factors in aquatic environments have been highlighted. This paper provides a review of metal and phytoplankton interactions, with a specific emphasis on pertinent information on the influence of trace nutrients on growth, toxin production, and other underlying mechanisms related to the dynamics of HABs. Low to near-depleted levels of essential nutrients, including Fe, Cu, Zn, Se, Mn, Co, and Mo, negatively impact cell growth and proliferation of various marine and freshwater HAB species. However, evidence shows that at elevated levels, these trace elements, along with other non-essential ones, could still cause toxic effects to certain HAB species manifested by decreased photosynthetic activities, oxidative stress, ultrastructure damage, and cyst formation. Interestingly, while elevated levels of these metals mostly result in increased toxin production, Co (i.e., yessotoxins, gymnodimine, and palytoxins) and Mn (i.e., isodomoic acid, okadaic and diol esters) enrichments revealed otherwise. In addition to toxin production, releasing dissolved organic matter (DOM), including dissolved organic carbon (DOC) and humic substances, was observed as an adaptation strategy, since these organic compounds have been proven to chelate metals in the water column, thereby reducing metal-induced toxicity. Whilst current research centers on free metal toxicity of specific essential elements such as Cu and Zn, a comprehensive account of how trace metals contribute to the growth, toxin production, and other metabolic processes under conditions reflective of in situ scenarios of HAB-prone areas would yield new perspectives on the roles of trace metals in HABs. With the growing demands of the global population for food security and sustainability, substantial pressure is exerted on the agriculture and aquaculture sector, highlighting the need for effective communication of information regarding the interactions of macro- and micronutrients with HABs to improve existing policies and practices.

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Section: Zinc (Zn)mentioning

confidence: 88%

Section: Copper (Cu)mentioning

confidence: 90%

Section: Species Metals Referencesmentioning

confidence: 99%

Section: Copper (Cu)mentioning

confidence: 99%

See 2 more Smart Citations

Trace Metals in Phytoplankton: Requirements, Function, and Composition in Harmful Algal Blooms

Manic,

Redil,

Rodriguez

2024

Sustainability

View full text Add to dashboard Cite

show abstract

“…Mn, Zn, Cu, Co, Se [231] Fe, Co, Se [234] Prorocentrum dentatum Fe [235] Prorocentrum donghaiense Co (Vitamin B12) [204] Prorocentrum lima Mn, Zn, Cu, Co, Se [231] Prorocentrum micans Cu [213] Prorocentrum minimum Co (Vitamin B12) [204] Pseudo-nitzschia sp. Fe, Cu [175,198] Pseudo-nitzschia australis Mn, Zn, Cu, Co, Se [231] Fe, Cu [236] Pseudo-nitzschia delicatissima Fe, Cu [237] Cu [238] Pseudo-nitzschia multiseries Fe [239] Cu [240,241] Co (Vitamin B12) [204] Pseudo-nitzschia pungens Co (Vitamin B12) [204] Rhizosolenia setigera Cu [217] Scrippsiella trochoidea Fe [242] Co (Vitamin B12) [204] Skeletonema costatum Fe [235] Takayama acrotrocha Co (Vitamin B12) [204] Thalassiosira pseudonana Cu, As [220] Trichodesmium Ni [190,243] Table 3. List of research focusing on trace metals in specific HAB species in freshwater ecosystems.…”

Section: Akashiwo Sanguineamentioning

confidence: 99%

Trace Metals in Phytoplankton: Requirements, Function, and Composition in Harmful Algal Blooms

Manic,

Redil,

Rodriguez

2024

Preprint

View full text Add to dashboard Cite

In a constantly changing environment brought about by the climate crisis and escalated anthropogenic perturbations driven by the growing population, harmful algal bloom dynamics and their impacts are expected to shift, necessitating adaptive management strategies and comprehensive research efforts. Similar to primary productivity, HABs have been thought to be driven primarily by major nutrients such as N, P, and Si. However, recent investigations on the role and importance of micronutrients as limiting factors in aquatic environments have been highlighted. This paper provides a review of metal and phytoplankton interactions, with a specific emphasis on pertinent information on the influence of trace nutrients on growth, toxin production, and other underlying mechanisms related to the dynamics of HABs. Low to near-depleted levels of essential nutrients including Fe, Cu, Zn, Se, Mn, Co, and Mo, negatively impact cell growth and proliferation of various marine and freshwater HAB species. However, evidence shows that at elevated levels, these trace elements along with other non-essential ones, could still cause toxic effects to certain HAB species manifested by decreased photosynthetic activities, oxidative stress, ultrastructure damage, and cyst formation. Interestingly, while elevated levels of these metals mostly result in increased toxin production, Co (i.e., yessotoxins, gymnodimine, and palytoxins) and Mn (i.e., isodomoic acid, okadaic and diol esters) enrichments revealed otherwise. In addition to toxin production, releasing dissolved organic matter (DOM) including dissolved organic carbon (DOC) and humic substances was observed as an adaptation strategy, since these organic compounds have been proven to chelate metals in the water column, thereby reducing metal-induced toxicity. Whilst current research center on free metal toxicity of specific essential elements such as in Cu and Zn, a comprehensive account of how trace metals contribute to the growth, toxin production, and other metabolic processes under conditions reflective of in-situ scenarios of HAB-prone areas, would yield new perspectives on the roles of trace metals in HABs. With the growing demands of the global population for food security and sustainability, substantial pressure is exerted on the agriculture and aquaculture sector, highlighting the need for effective communication of information regarding the interactions of macro- and micronutrients with HABs to improve existing policies and practices.

show abstract

Subcellular distribution of the β-N-methylamino-L-alanine-containing proteins in marine diatoms

Zheng,

Li,

Qiu

et al. 2024

Algal Research

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Physiological adaptation of the diatom Pseudo-nitzschia delicatissima under copper starvation

Cited by 4 publications

References 50 publications

Trace Metals in Phytoplankton: Requirements, Function, and Composition in Harmful Algal Blooms

Trace Metals in Phytoplankton: Requirements, Function, and Composition in Harmful Algal Blooms

Trace Metals in Phytoplankton: Requirements, Function, and Composition in Harmful Algal Blooms

Subcellular distribution of the β-N-methylamino-L-alanine-containing proteins in marine diatoms

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