Benthic-pelagic mixing of trace elements in estuarine food webs

O’Mara, Kaitlyn; Fry, Brian; Burford, Michele A.

doi:10.1016/j.marenvres.2021.105511

Cited by 3 publications

(3 citation statements)

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“…Sampling of Moreton Bay animals was authorized under General Fisheries Permits 187780 and 189590, and Moreton Bay Marine Parks permits MAN381 and MAN409. Sampling was performed humanely under protocols ENV/04/15/AEC and ENV/18/16/AEC ( 28 ) approved by Griffith University Animal Ethics committees. Bay samples were collected over a 7-month summer-fall period from November 2016 to May 2017.…”

Section: Methodsmentioning

confidence: 99%

“…We have previously reported δ 13 C CARBOXYL values for Ala, Asx, and Glx derived from keratin of several adult mammals (10): four humans (Homo sapiens), two ungulates (caribou Rangifer tarandus and kudu Tragelaphus strepsiceros), and two whales (Arctic bowhead whale Balaena mysticetus and Antarctic humpback whale Megaptera novaeangliae). Here, we add δ 13 C CARBOXYL data [listed in Auxiliary Supplementary Material 1 (ASM 1)] of these amino acids from muscle tissue of smaller (<1 kg) fish and invertebrates from the marine food web in the Moreton Bay area adjoining Brisbane, Australia (28). Sample taxa included two fish species (ponyfish Equulites moretoniensis and rusty flatheads Inegocia japonica) and five invertebrate species [oysters Saccostrea glomerata, scallops Amusium balloti, squid Sepioteuthis lessoniana and Uroteuthis sp., and eastern king prawns (EKP), Melicertus plebejus].…”

Section: Introductionmentioning

confidence: 99%

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Fingerprinting eukaryotic metabolism across the animal kingdom using position-specific isotope analysis (PSIA) ¹³ C/ ¹² C measurements

2023

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Despite differences in their overall metabolism, eukaryotes share a common mitochondrial biochemistry. We investigated how this fundamental biochemistry supports overall metabolism using a high-resolution carbon isotope approach, position-specific isotope analysis. We measured carbon isotope 13 C/ 12 C cycling in animals, focusing on amino acids that are formed in mitochondrial reactions and are most metabolically active. Carboxyl isotope determinations for amino acids showed strong signals related to common biochemical pathways. Contrasting isotope patterns were measured for metabolism associated with major life history patterns, including growth and reproduction. Turnover of proteins and lipids as well as gluoconeogensis dynamics could be estimated for these metabolic life histories. The high-resolution isotomics measurements fingerprinted metabolism and metabolic strategies across the eukaryotic animal kingdom, yielding results for humans, ungulates, whales, and diverse fish and invertebrates in a nearshore marine food web.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Fingerprinting eukaryotic metabolism across the animal kingdom using position-specific isotope analysis (PSIA) ¹³ C/ ¹² C measurements

2023

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“…Aluminum (Al), rich in the Earth’s crust, has excellent physical and chemical properties, and it is widely used in daily life (Pelevin et al, 2021). There are many ways through which aluminum reaches the human body, such as ingestion by water, food, and vaccination (O’Mara et al, 2022; Sethi et al, 2008). The concentration of aluminum in PM2.5 in the air ranges from 0.035 to 1.82 μg/m 3 (excluding the Arctic and Antarctica), and the concentration of aluminum in PM10 ranges from 0.58 to 6.97 μg/m 3 .…”

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confidence: 99%

Effect of the Reelin-Dab1 signaling pathway on the abnormal metabolism of Aβ protein induced by aluminum

et al. 2023

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Aluminum (Al) is a common neurotoxic element that can exacerbate intracellular β-amyloid (Aβ) deposition. Reelin is a highly conserved extracellular glycoprotein that is involved in intracellular Aβ deposition. However, the action of Reelin on aluminum-induced Aβ deposition is not fully understood. Here, we investigated the effects of the Reelin-Dab1 signaling pathway on Aβ deposition in aluminum maltol (Al(mal)3) exposure in rat pheochromocytoma-derived cells (PC12). Our results showed that Al(mal)3 exposure decreased activity of PC12, increased expression of Aβ42, and decreased expression of Aβ40. Moreover, Al(mal)3 exposure in PC12 induced Reelin-Dab1 signaling pathway-associated proteins changed, decreased expression of Reelin and Dab1, and increased expression of pdab1. Moreover, the expression of Reelin, Dab1, and Aβ40 was found to be elevated in PC12 exposed to Al(mal)3 and corticosterone compared to those exposed to Al(mal)3. Also, the expression of Reelin, Dab1, and Aβ40 was found to be depressed in PC12 exposed to Al(mal)3 and streptozotocin compared with cells exposed to Al(mal)3 alone. These results suggested that Al(mal)3 inhibits the expression of the Reelin-Dab1 signaling pathway, promoting Aβ deposition. Thus, our findings provided important evidence to better understand how the Reelin-Dab1 signaling pathway may be a potential mechanism of Aβ deposition induced by aluminum.

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Arsenic (As), copper (Cu), zinc (Zn) and selenium (Se) in northwest Croatian seafood: A health risks assessment

Traven,

Marinac-Pupavac,

Žurga

et al. 2023

Toxicology Reports

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Benthic-pelagic mixing of trace elements in estuarine food webs

Cited by 3 publications

References 80 publications

Fingerprinting eukaryotic metabolism across the animal kingdom using position-specific isotope analysis (PSIA) ¹³ C/ ¹² C measurements

Fingerprinting eukaryotic metabolism across the animal kingdom using position-specific isotope analysis (PSIA) ¹³ C/ ¹² C measurements

Effect of the Reelin-Dab1 signaling pathway on the abnormal metabolism of Aβ protein induced by aluminum

Arsenic (As), copper (Cu), zinc (Zn) and selenium (Se) in northwest Croatian seafood: A health risks assessment

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Benthic-pelagic mixing of trace elements in estuarine food webs

Cited by 3 publications

References 80 publications

Fingerprinting eukaryotic metabolism across the animal kingdom using position-specific isotope analysis (PSIA) 13 C/ 12 C measurements

Fingerprinting eukaryotic metabolism across the animal kingdom using position-specific isotope analysis (PSIA) 13 C/ 12 C measurements

Effect of the Reelin-Dab1 signaling pathway on the abnormal metabolism of Aβ protein induced by aluminum

Arsenic (As), copper (Cu), zinc (Zn) and selenium (Se) in northwest Croatian seafood: A health risks assessment

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Fingerprinting eukaryotic metabolism across the animal kingdom using position-specific isotope analysis (PSIA) ¹³ C/ ¹² C measurements

Fingerprinting eukaryotic metabolism across the animal kingdom using position-specific isotope analysis (PSIA) ¹³ C/ ¹² C measurements