Different responses of scleractinian coral Acropora pruinosa from Weizhou Island during extreme high temperature events

Chen, Biao; Liao, Zhiheng; Liang, Jiayuan; Yu, Xiaopeng; Qin, Zhenjun; Wang, Hao; Yu, Jiaoyang

doi:10.1007/s00338-021-02182-y

Cited by 24 publications

(4 citation statements)

References 75 publications

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“…PCR amplification of the bacterial 16S rRNA gene V3-V4 region was performed using primers 338F and 806R [ 41 ]. PCR amplification of the fungal ITS1 region was performed using primers ITS5 and ITS2 [ 42 ].…”

Section: Methodsmentioning

confidence: 99%

Fungal–Bacterial Networks in the Habitat of SongRong (Tricholoma matsutake) and Driving Factors of Their Distribution Rules

Yang

et al. 2022

JoF

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Soil origin, mycorrhizal plant partners and environmental factors affect the growth and development of SongRong (Tricholoma matsutake). In order to clarify the relationships of fungi–bacteria networks and various influence factors in the habitat of SongRong, we chose three collection sites with a Quercus mongolica pure forest (plot A without SongRong was used as the control sample site), Q. mongolica mixed Rhododendron dauricum (plot B) and Q. mongolica mixed with R. dauricum and Pinus densiflora (plot C). By using high-throughput sequencing, we obtained a total of 4930 fungal and 55501 bacterial amplicon sequence variants (ASVs) based on internally transcribed spacer ribosomal RNA (ITS rRNA) and 16S ribosomal RNA (16S rRNA) sequencing via the Illumina NovaSeq platform. In the habitat soil of SongRong (plot B and plot C), alpha or beta diversity and species compositions of fungi and bacteria were different from plot A. The fungal–bacterial networks follow the selection rule that few dominant genera account for the greater relative abundance. Forest types, but not the host itself, drove the fungal–bacterial networks of the forest soil, and soil physicochemical characteristics and texture affected their abundance. The abundance of Tricholoma was affected by the fungal and bacterial abundance in the habitat.

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Section: Methodsmentioning

confidence: 99%

Fungal–Bacterial Networks in the Habitat of SongRong (Tricholoma matsutake) and Driving Factors of Their Distribution Rules

Yang

et al. 2022

JoF

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“…The numbers of core fungal ASVs or OTUs of corals were much less than those of bacteria and Symbiodiniaceae ( Fig. 5d ) ( 77 – 79 ), which suggests that phylogenetic association and coevolution between corals and fungi was limited, and the flexibility of the fungal community might be higher than that of the bacterial community in coral holobionts. However, the intragenomic polymorphism of eukaryotic cell may also play a role in the variability and flexibility of fungal community.…”

Section: Discussionmentioning

confidence: 99%

The microbiome dynamics and interaction of endosymbiotic Symbiodiniaceae and fungi are associated with thermal bleaching susceptibility of coral holobionts

Chen,

Wei,

et al. 2024

Appl Environ Microbiol

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The thermal bleaching percentage of coral holobionts shows interspecific differences under heat-stress conditions, which are closely related to the coral-associated microbiome. However, the ecological effects of community dynamics and interactions between Symbiodiniaceae and fungi on coral thermal bleaching susceptibility remain unclear. In this study, we analyzed the diversity, community structure, functions, and potential interaction of Symbiodiniaceae and fungi among 18 coral species from a high thermal bleaching risk atoll using next-generation sequencing. The results showed that heat-tolerant C3u sub-clade and Durusdinium dominated the Symbiodiniaceae community of corals and that there were no core amplicon sequence variants in the coral-associated fungal community. Fungal richness and the abundance of confirmed functional animal-plant pathogens were significantly positively correlated with the coral thermal bleaching percentage. Fungal indicators, including Didymellaceae, Chaetomiaceae, Schizophyllum , and Colletotrichum , were identified in corals. Each coral species had a complex Symbiodiniaceae–fungi interaction network (SFIN), which was driven by the dominant Symbiodiniaceae sub-clades. The SFINs of coral holobionts with low thermal bleaching susceptibility exhibited low complexity and high betweenness centrality. These results indicate that the extra heat tolerance of coral in Huangyan Island may be linked to the high abundance of heat-tolerant Symbiodiniaceae. Fungal communities have high interspecific flexibility, and the increase of fungal diversity and pathogen abundance was correlated with higher thermal bleaching susceptibility of corals. Moreover, fungal indicators were associated with the degrees of coral thermal bleaching susceptibility, including both high and intermediate levels. The topological properties of SFINs suggest that heat-tolerant coral have limited fungal parasitism and strong microbial network resilience. IMPORTANCE Global warming and enhanced marine heatwaves have led to a rapid decline in coral reef ecosystems worldwide. Several studies have focused on the impact of coral-associated microbiomes on thermal bleaching susceptibility in corals; however, the ecological functions and interactions between Symbiodiniaceae and fungi remain unclear. We investigated the microbiome dynamics and potential interactions of Symbiodiniaceae and fungi among 18 coral species in Huangyan Island. Our study found that the Symbiodiniaceae community of corals was mainly composed of heat-tolerant C3u sub-clade and Durusdinium . The increase in fungal diversity and pathogen abundance has close associations with higher coral thermal bleaching susceptibility. We first constructed an interaction network between Symbiodiniaceae and fungi in corals, which indicated that restricting fungal parasitism and strong interaction network resilience would promote heat acclimatization of corals. Accordingly, this study provides insights into the role of microorganisms and their interaction as drivers of interspecific differences in coral thermal bleaching.

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“…Nonetheless, regarding potential adaptation to stress ( 27 ), studies have indicated that the bleaching tolerance of some corals explains their ability to resist coral bleaching and substantially increases their survival ( 28 , 29 ). Bleaching tolerance is a location-and species-specific trait, which is associated with the composition of the bacterial community ( 29 , 30 ). There is also increasing evidence to suggest that the microbiome can regulate host resistance to thermal-induced bleaching ( 31 , 32 ).…”

Section: Introductionmentioning

confidence: 99%

Bacterial Communities Vary from Different Scleractinian Coral Species and between Bleached and Non-Bleached Corals

Cheng

Xiao

et al. 2023

Microbiol Spectr

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Different responses of scleractinian coral Acropora pruinosa from Weizhou Island during extreme high temperature events

Cited by 24 publications

References 75 publications

Fungal–Bacterial Networks in the Habitat of SongRong (Tricholoma matsutake) and Driving Factors of Their Distribution Rules

Fungal–Bacterial Networks in the Habitat of SongRong (Tricholoma matsutake) and Driving Factors of Their Distribution Rules

The microbiome dynamics and interaction of endosymbiotic Symbiodiniaceae and fungi are associated with thermal bleaching susceptibility of coral holobionts

Bacterial Communities Vary from Different Scleractinian Coral Species and between Bleached and Non-Bleached Corals

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