Differential tolerance capacity of intertidal organisms (sponge and zoanthid) to the environmental stresses: Preliminary findings from a rockpool transplantation experiment

Singh, Anshika; Thakur, Narsinh L.; Sheikh, Farhan

doi:10.1007/s12040-021-01739-3

Cited by 9 publications

(4 citation statements)

References 81 publications

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“…Symbiodiniaceae density and Fv/Fm did not differ significantly among habitats (Pairwise test, p > .05) at 26°C, but rock pool corals had significantly higher (Pairwise test, p ≤ .05) retention of values at 34°C (Figure 2). These results indicated that rock pool P. lutea had greater resistance to bleaching at high temperatures (Avila-Magaña et al, 2021;Voolstra et al, 2020), consistent with previous studies on intertidal corals (Haydon et al, 2023;Hoeksema, 2012;Singh et al, 2022;Somero, 2002;Thomas et al, 2022;Ziegler, Seneca, et al, 2017). Here, we examined the differences and mechanisms of heat tolerance in rock pool coral holobionts (Figure 6).…”

Section: Discussionsupporting

confidence: 88%

“…Such extreme thermal habitats also exist on rocky intertidal shores and rock pools, which are shallower and smaller and have greater daily temperature fluctuations than lagoons (Smit & Glassom, 2017). These locations are among the most environmentally hostile ecosystems on Earth (Andrades et al., 2017; Singh et al., 2022). A recent transplantation experiment found that corals moved from their original habitats into rock pools, bleached within a short period, and survived for no more than 72 h (Singh et al., 2022).…”

Section: Introductionmentioning

confidence: 99%

“…These locations are among the most environmentally hostile ecosystems on Earth (Andrades et al., 2017; Singh et al., 2022). A recent transplantation experiment found that corals moved from their original habitats into rock pools, bleached within a short period, and survived for no more than 72 h (Singh et al., 2022). However, some reef‐building corals can be found in rock pools.…”

Section: Introductionmentioning

confidence: 99%

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Heat‐tolerant intertidal rock pool coral Porites lutea can potentially adapt to future warming

Huang,

Meng,

Xiao

et al. 2024

Molecular Ecology

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The growing threat of global warming on coral reefs underscores the urgency of identifying heat‐tolerant corals and discovering their adaptation mechanisms to high temperatures. Corals growing in intertidal rock pools that vary markedly in daily temperature may have improved heat tolerance. In this study, heat stress experiments were performed on scleractinian coral Porites lutea from subtidal habitat and intertidal rock pool of Weizhou Island in the northern South China Sea. Thermotolerance differences in corals from the two habitats and their mechanisms were explored through phenotype, physiological indicators, ITS2, 16S rRNA, and RNA sequencing. At the extremely high temperature of 34°C, rock pool P. lutea had a stronger heat tolerance than those in the subtidal habitat. The strong antioxidant capacity of the coral host and its microbial partners was important in the resistance of rock pool corals to high temperatures. The host of rock pool corals at 34°C had stronger immune and apoptotic regulation, downregulated host metabolism and disease‐infection‐related pathways compared to the subtidal habitat. P. lutea, in this habitat, upregulated Cladocopium C15 (Symbiodiniaceae) photosynthetic efficiency and photoprotection, and significantly increased bacterial diversity and coral probiotics, including ABY1, Ruegeria, and Alteromonas. These findings indicate that rock pool corals can tolerate high temperatures through the integrated response of coral holobionts. These corals may be ‘touchstones’ for future warming. Our research provides new insights into the complex mechanisms by which corals resist global warming and the theoretical basis for coral reef ecosystem restoration and selection of stress‐resistant coral populations.

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Section: Discussionsupporting

confidence: 88%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Heat‐tolerant intertidal rock pool coral Porites lutea can potentially adapt to future warming

Huang,

Meng,

Xiao

et al. 2024

Molecular Ecology

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“…The intertidal zone is characterized by a very variable environment, which is largely determined by the tidal cycle (Zhao et al 2022). Seaweeds growing in the intertidal zone are subjected to many abiotic stresses due to the periodic opening and closing tides of seawater, mainly including high and low temperatures, desiccation and osmotic stress caused by changes in light, temperature, salinity, etc (Nancollas et al 2022;Shindo et al 2022;Singh et al 2022). Intertidal algae develop resistance mechanisms to adapt to changing environments, such as synthesis of special compounds including photoprotectants, osmoregulators, etc (Kasanah et al 2022;Huang et al 2021).…”

Section: Introductionmentioning

confidence: 99%

Analysis of the mechanism of hyperosmotic tolerance in Gracilariopsis lemaneiformis based on WGCNA

Xiao

Feng

et al. 2022

Preprint

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The salt-tolerant mutants HAGL-X5, HAGL-X3, and the control were subjected to transcriptome assays after three weeks of treatment with artificial seawater of different salinities (30‰, 45‰ and 60‰). A large number of differential genes were obtained in the transcriptome, and we performed weighted co-expression network analysis (WGCNA) of these differential genes. The results showed that the samples that correlated well with salinity traits were mainly Ctr-60, X3-60 and X5-60, while the samples that correlated well with strain traits were mainly X5-30, X5-45 and X5-60. Then the modules that correlated well with salinity traits were mainly blue, red and tan modules. The modules that correlated well with strain traits were black, cyan, lightcyan, and yellows modules. KEGG enrichment of genes from the above modules revealed that the most significant enrichment pathways associated with salinity traits were the proteasome and carbon fixation by photosynthesis. The most significant enrichment pathways associated with strain traits were lipid metabolism, oxidative phosphorylation, and porphyrin and chlorophyll metabolism. From the expression analysis, the gene expression on the proteasome pathway and the carbon fixation pathway of photosynthesis was higher in all strains at a salinity of 60‰ than in all strains at other salinities. Also the gene expression of X5-60 was higher than that of Ctr-60 and X3-60 on the proteasome pathway. The expression of X5-30 genes was lower than that of Ctr-30 and X3-30 in oxidative phosphorylation as well as porphyrin and chlorophyll metabolism in strain-related enrichment pathways, where the low expression of genes of porphyrin and chlorophyll in X5-30 may be related to the higher NPQ value of X5-30. Finally, correlation analysis identified candidate genes with well correlation with salinity in proteasome and carbon fixation by photosynthesis, and with strain traits in lipid metabolism, oxidative phosphorylation, and porphyrin and chlorophyll metabolism.

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Monthly Runoff Prediction by Hybrid CNN-LSTM Model: A Case Study

Ghose

Mahakur

Sahoo

2022

Communications in Computer and Information Science

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Differential tolerance capacity of intertidal organisms (sponge and zoanthid) to the environmental stresses: Preliminary findings from a rockpool transplantation experiment

Cited by 9 publications

References 81 publications

Heat‐tolerant intertidal rock pool coral Porites lutea can potentially adapt to future warming

Heat‐tolerant intertidal rock pool coral Porites lutea can potentially adapt to future warming

Analysis of the mechanism of hyperosmotic tolerance in Gracilariopsis lemaneiformis based on WGCNA

Monthly Runoff Prediction by Hybrid CNN-LSTM Model: A Case Study

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