Elevated CO2 alters larval proteome and its phosphorylation status in the commercial oyster, Crassostrea hongkongensis

Dineshram, R.; Thiyagarajan, Vengatesen; Lane, Ackley; Yu, Zhiming; Xiao, Shijun; Leung, Priscilla T.Y.

doi:10.1007/s00227-013-2176-x

Cited by 57 publications

(53 citation statements)

References 88 publications

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“…Seawater CO 3 2− can affect the ability of calcifying organisms to precipitate CaCO 3 (Gazeau et al 2007, Zhang et al 2011, Dineshram et al 2013, Li et al 2013, Mos et al 2015, McGrath et al 2016. However, in the present experiment, no significant differences in calcification rate were found among the different density treatments (Fig.…”

Section: Discussioncontrasting

confidence: 48%

Interactive effects of oyster and seaweed on seawater dissolved inorganic carbon systems: implications for integrated multi-trophic aquaculture

Han¹,

Shi²,

Qi³

et al. 2017

Aquacult. Environ. Interact.

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We examined the separate effect of Portuguese oyster Crassostrea angulata and the interactive effects of oyster and red seaweed Gracilaria lemaneiformis on seawater dissolved inorganic carbon (DIC) systems and the air−sea CO 2 flux (F CO2 ) in Daya Bay, southern China. Respiration and calcification rates of oysters were measured and the effects of oyster aquaculture on marine DIC systems were evaluated. The interactive effects on seawater DIC and air−sea F CO2 were examined using mesocosms containing oyster and seaweed assemblages. Results showed populations of C. angulata cultured in Daya Bay sequestered ca. 258 g C m −2 yr −1 for shell formation, whereas the CO 2 released due to respiration and calcification was 349 and 153 g C m −2 yr −1 , respectively. This indicates that oyster cultivation in Daya Bay is a CO 2 generator, favoring the escape of CO 2 into the atmosphere. DIC, HCO 3 − and CO 2 concentrations and the partial pressure of CO 2 in oyster−seaweed co-cultured mesocosms were significantly lower than the oyster monoculture mesocosm. These results indicated that G. lemaneiformis effectively absorbs the CO 2 released by oysters. The negative values of air−sea F CO2 in the co-culture groups represent a CO 2 sink from the atmosphere to the sea. These results demonstrated that there could be an interspecies mutual benefit for both C. angulata and G. lemaneiformis in the integrated culture system. Considering that photosynthesis of seaweed is carbon limited, we suggest that the 2 species are co-cultured at a ratio of ca. 4:1 (based on fresh weight) for efficient utilization of DIC in seawater by G. lemaneiformis, and further to increase the ocean CO 2 sink.

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Section: Discussioncontrasting

confidence: 48%

Interactive effects of oyster and seaweed on seawater dissolved inorganic carbon systems: implications for integrated multi-trophic aquaculture

Han¹,

Shi²,

Qi³

et al. 2017

Aquacult. Environ. Interact.

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“…In addition, the Trx homolog nucleoredoxin also increased in abundance in response to low pH, suggesting that the SOD-Trx-Prx system was activated to respond to increasing levels of ROS, either as a direct effect of pH via the Fenton reaction or indirectly by CO 2 interacting with peroxynitrite, resulting in reactive carbonate, oxygen and nitrogen species (Trujillo et al, 2008). Three other studies investigating the response to low pH in marine invertebrate larvae did not identify a single antioxidant protein among those proteins that were detected and that changed significantly with low pH (Dineshram et al, 2013(Dineshram et al, , 2012Wong et al, 2011).…”

Section: Ph-induced Antioxidant Responsementioning

confidence: 99%

Proteomic responses to environmentally induced oxidative stress

Tomanek

2015

Journal of Experimental Biology

140

132

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Environmental (acute and chronic temperature, osmotic, hypoxic and pH) stress challenges the cellular redox balance and can lead to the increased production of reactive oxygen species (ROS). This review provides an overview of the reactions producing and scavenging ROS in the mitochondria, endoplasmic reticulum (ER) and peroxisome. It then compares these reactions with the findings of a number of studies investigating the proteomic responses of marine organisms to environmentally induced oxidative stress. These responses indicate that the thioredoxin-peroxiredoxin system is possibly more frequently recruited to scavenge H 2 O 2 than the glutathione system. Isoforms of superoxide dismutase (SOD) are not ubiquitously induced in parallel, suggesting that SOD scavenging activity is sometimes sufficient. The glutathione system plays an important role in some organisms and probably also contributes to protecting protein thiols during environmental stress. Synthesis pathways of cysteine and selenocysteine, building blocks for glutathione and glutathione peroxidase, also play an important role in scavenging ROS during stress. The increased abundance of glutaredoxin and DyP-type peroxidase suggests a need for regulating the deglutathionylation of proteins and scavenging of peroxynitrite. Reducing equivalents for these scavenging reactions are generated by proteins of the pentose phosphate pathway and by NADP-dependent isocitrate dehydrogenase. Furthermore, proteins representing reactions of the tricarboxylic acid cycle and the electron transport system generating NADH and ROS, including those of complex I, II and III, are frequently reduced in abundance with stress. Protein maturation in the ER likely represents another source of ROS during environmental stress, as indicated by simultaneous changes in ER chaperones and antioxidant proteins. Although there are still too few proteomic analyses of non-model organisms exposed to environmental stress for a general pattern to emerge, hyposaline and low pH stress show different responses from temperature and hypoxic stress. Furthermore, comparisons of closely related congeners differing in stress tolerance start to provide insights into biochemical processes contributing to adaptive differences, but more of these comparisons are needed to draw general conclusions. To fully take advantage of a systems approach, studies with longer time courses, including several tissues and more species comparisons are needed.

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“…This will be possible through a better understanding of the biological responses at molecular and physiological levels. Several articles consider responses at the levels of the proteome (Dineshram et al 2013) and the transcriptome (qPCR, Hüning et al 2012;Putnam et al 2012) revealing plasticity at the molecular level, the importance of post-translational processes (Dineshram et al 2013) and identifying pathways that can be impacted. These were complemented by physiological studies in 45 % of the published articles.…”

Section: The Importance Of Relevant End Pointsmentioning

confidence: 99%

A snapshot of ocean acidification research

Dupont

Pörtner

2013

Mar Biol

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This special issue compiles 37 manuscripts investigating the biological impacts and societal relevance of ocean acidification. It includes important considerations regarding experimental design, new methods and how ocean acidification science can contribute to society through education and socioeconomic assessment. Altogether, this special issue constitutes a snapshot of recent ocean acidification research. This paper aims at summarizing the key findings and highlights future challenges and research priorities.

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Elevated CO2 alters larval proteome and its phosphorylation status in the commercial oyster, Crassostrea hongkongensis

Cited by 57 publications

References 88 publications

Interactive effects of oyster and seaweed on seawater dissolved inorganic carbon systems: implications for integrated multi-trophic aquaculture

Interactive effects of oyster and seaweed on seawater dissolved inorganic carbon systems: implications for integrated multi-trophic aquaculture

Proteomic responses to environmentally induced oxidative stress

A snapshot of ocean acidification research

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