Acclimation of intertidally reproducing sea‐snails protects embryos from lethal effects of transient hyperthermia

Journal of Experimental Zoology Part B Molecular and Developmental Evolution, Год журнала: 2024, Номер 342(2), С. 101 - 105

Опубликована: Янв. 30, 2024

Embryos of Ilyanassa obsoleta (from Massachusetts and Florida) Phrontis vibex were exposed to temperatures from 33 37°C. In both species, very young embryos are especially sensitive thermal stress. Brief early heat shock did not disturb spiral cleavage geometry but led variable, typically severe defects in larval morphogenesis tissue differentiation. P. vibex, resulted immediate slowing or arrest interphase progression during cleavage. This reversible was correlated with improved prognosis for development (in snails, at least) depended on parental acclimation warm temperature (~25.5°C). snails housed lower (16°C) exhibited cytokinesis failure when briefly incubated 33°C cleavage, differentiation incubation begun later stages. preliminary study reveals a case which stress-conditioned parents may endow protection against potentially lethal stress the most vulnerable stages life.

Язык: Английский

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Thermal fluctuations independently modulate physiological plasticity and the dynamics of the gut microbiome in a tropical rocky shore oyster

bioRxiv (Cold Spring Harbor Laboratory), Год журнала: 2023, Номер unknown

Опубликована: Фев. 8, 2023

Abstract Extreme high thermal conditions on tropical rocky shores are challenging to the survival of intertidal ectotherms. Yet, many species highly successful in these environments part due their ability regulate intrinsic mechanisms associated with physiological stress and metabolic demand. More recently, there has been a growing awareness that other extrinsic mechanisms, such as animal-associated microbial communities, can also influence tolerance ectotherms under stressful conditions. However, extent which functionally linked overall adaptive response animals temperature change is poorly understood. Here, we examined dynamics potential interactions high-supratidal oyster, Isognomon nucleus . We found oysters modulate internal biochemistry (oxidized PUFA products, including 5-F 2t -IsoP, 10-F 4t -NeuroP, 13-F 16-F 1t -PhytoP) regulation cope during periods extreme temperatures when emersed. while detected variation alpha diversity (ASV richness Shannon index), dominant taxa functions across time, no association was host biochemical profiles. The findings here suggest condition within independently responses microbiome Together, may contribute zone.

Язык: Английский

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Organisms in a changing world

Cell Stress and Chaperones, Год журнала: 2023, Номер 28(5), С. 441 - 443

Опубликована: Июль 18, 2023

Cell Stress Society International (CSSI) has actively promoted international collaboration in the field of stress research.Over years, gone from strength to strength, with one its main, and highly, visible outputs being journal 'Cell & Chaperones'.Although initially, full title was Chaperones: An Integrative Journal Biology Medicine' an emphasis on medical field, original scientific articles were always welcomed a wide range organisms different aspects molecular biology.However, 2020, sub-title expanded 'An Biology, Medicine Environment', acknowledgement increasing importance understanding cellular response nonmodel environmental species context current climate crisis.Initial plans celebrate change subtitle special issue somewhat stymied by COVID-19 pandemic.However, finally, 3 years later, we are proud present this 'Organisms Changing which highlights variety research carried out species.In particular, these studies demonstrate how important it is understand not only but also their integration higher levels biological organisation future biodiversity, inform conservation measures policy our changing world.

Язык: Английский

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