Specific Plasticity of the Anemone Anthopleura Hermaphroditica to Intertidal and Subtidal Environmental Conditions of the Quempillén Estuary

Overview

Journal PLoS One

Specialties General Medicine
Science

Date 2023 Jan 5

PMID 36603008

Authors

Victor M Cubillos

Felipe E Ramirez

Daniela A Mardones-Toledo

Nelson Valdivia

Oscar R Chaparro

Jaime A Montory

Edgardo A Cruces

Affiliations

Soon will be listed here.

Abstract

The cellular capacity of marine organisms to address rapid fluctuations in environmental conditions is decisive, especially when their bathymetric distribution encompasses intertidal and subtidal zones of estuarine systems. To understand how the bathymetric distribution determines the oxidative damage and antioxidant response of the estuarine anemone Anthopleura hermaphroditica, individuals were collected from upper intertidal and shallow subtidal zones of Quempillén River estuary (Chile), and their response analysed in a fully orthogonal, multifactorial laboratory experiment. The organisms were exposed to the effects of temperature (10°C and 30°C), salinity (10 ppt and 30 ppt) and radiation (PAR, > 400-700 nm; PAR+UV-A, > 320-700 nm; PAR+UV-A+UV-B, > 280-700 nm), and their levels of lipid peroxidation, protein carbonyl and total antioxidant capacity were determined. The results indicated that the intertidal individuals of A. hermaphroditica presented higher levels of tolerance to the stressful ranges of temperature, salinity, and radiation than individuals from the subtidal zone, which was evident from their lower levels of oxidative damage to lipids and proteins. These results were consistent with increased levels of total antioxidant capacity observed in subtidal organisms. Thus intertidal individuals could have greater plasticity to environmental variations than subtidal individuals. Future studies are needed to understand the mechanisms underlying stress adaptation in individuals from this estuarine anemone subjected to different environmental stressors during their life cycles.

Citing Articles

Photophysiological and Oxidative Responses of the Symbiotic Estuarine Anemone to the Impact of UV Radiation and Salinity: Field and Laboratory Approaches.

Cruces E, Cubillos V, Ramirez-Kushel E, Montory J, Mardones D, Chaparro O Antioxidants (Basel). 2024; 13(10).

PMID: 39456492 PMC: 11504032. DOI: 10.3390/antiox13101239.

The Interactive Effects of the Anti-Sea Lice Pesticide Azamethiphos and Temperature on Oxidative Damage and Antioxidant Responses in the Oyster .

Montory J, Cubillos V, Chaparro O, Gebauer P, Lee M, Ramirez-Kuschel E Antioxidants (Basel). 2024; 13(6).

PMID: 38929176 PMC: 11200689. DOI: 10.3390/antiox13060737.

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