Excess labile carbon promotes diazotroph abundance in heat-stressed octocorals

N Xiang, A Meyer, C Pogoreutz… - Royal Society …, 2023 - royalsocietypublishing.org
Nitrogen limitation is the foundation of stable coral-algal symbioses. Diazotrophs,
prokaryotes capable of fixing N2 into ammonia, support the productivity of corals in …

Heating rate explains species-specific coral bleaching severity during a simulated marine heatwave

D Sahin, V Schoepf, K Filbee-Dexter… - Marine Ecology …, 2023 - int-res.com
Marine heatwaves (MHWs) are becoming more frequent as a consequence of climate
change. These discrete events are causing widespread stress and mortality in marine …

Immunolocalization of metabolite transporter proteins in a model cnidarian-dinoflagellate symbiosis

AG Mashini, CA Oakley, AR Grossman… - Applied and …, 2022 - Am Soc Microbiol
Bidirectional nutrient flow between partners is integral to the cnidarian-dinoflagellate
endosymbiosis. However, our current knowledge of the transporter proteins that regulate …

Manganese benefits heat-stressed corals at the cellular level

E Montalbetti, T Biscéré, C Ferrier-Pagès… - Frontiers in Marine …, 2021 - frontiersin.org
The intensity and frequency of coral bleaching events have increased worldwide especially
due to thermal stress and seawater pollution. Although it has been observed that metal …

Widespread occurrence and diverse origins of polintoviruses influence lineage-specific genome dynamics in stony corals

D Stephens, Z Faghihi, M Moniruzzaman - Virus evolution, 2024 - academic.oup.com
Abstract Stony corals (Order: Scleractinia) are central to vital marine habitats known as coral
reefs. Numerous stressors in the Anthropocene are contributing to the ongoing decline in …

Trade-offs in a reef-building coral after six years of thermal acclimation

A Roik, M Wall, M Dobelmann, S Nietzer… - Science of the Total …, 2024 - Elsevier
There is growing evidence that reef-building corals can acclimate to novel and challenging
thermal conditions. However, potential trade-offs that accompany acclimation remain largely …

Symbionts out of sync: Decoupled physiological responses are widespread and ecologically important in lichen associations

AR Meyer, NM Koch, T McDonald, DE Stanton - Science Advances, 2024 - science.org
A core vulnerability in symbioses is the need for coordination between the symbiotic
partners, which are often assumed to be closely physiologically integrated. We critically re …

Thermal stress triggers productive viral infection of a key coral reef symbiont

CGB Grupstra, LI Howe-Kerr, AJ Veglia… - The ISME …, 2022 - academic.oup.com
Climate change-driven ocean warming is increasing the frequency and severity of bleaching
events, in which corals appear whitened after losing their dinoflagellate endosymbionts …

Intraspecific variation reshapes coral assemblages under elevated temperature and acidity

M McWilliam, JS Madin, TJ Chase… - Ecology …, 2022 - Wiley Online Library
Insights into assemblages that can persist in extreme environments are still emerging.
Ocean warming and acidification select against species with low physiological tolerance …

Comparative physiology reveals heat stress disrupts acid–base homeostasis independent of symbiotic state in the model cnidarian Exaiptasia diaphana

LR Allen-Waller, KG Jones… - Journal of …, 2024 - journals.biologists.com
Climate change threatens the survival of symbiotic cnidarians by causing photosymbiosis
breakdown in a process known as bleaching. Direct effects of temperature on cnidarian host …