Transcriptomic responses in the nervous system and correlated behavioural changes of a cephalopod exposed to ocean acidification DOI Open Access
Jodi T. Thomas, Roger Huerlimann, Celia Schunter

и другие.

Authorea (Authorea), Год журнала: 2023, Номер unknown

Опубликована: Июль 31, 2023

The nervous system is central to coordinating behavioural responses environmental change, likely including ocean acidification (OA). However, a clear understanding of neurobiological OA lacking, especially for marine invertebrates. We evaluated the transcriptomic response (CNS) and eyes two-toned pygmy squid ( Idiosepius pygmaeus ) conditions, using de novo transcriptome assembly created with long read PacBio ISO-sequencing data. then correlated patterns gene expression CO treatment levels OA-affected behaviours in same individuals. induced within related various different types neurotransmission, neuroplasticity, immune function oxidative stress. These molecular changes may contribute OA-induced changes, as suggested by correlations between profiles, behaviours. This study provides first insights into effects on cephalopod correlates whole animal responses, helping bridge gap our knowledge change responses.

Язык: Английский

Wall-following behavior: Its ultimate and proximate explanations, prevalence, and implications DOI
Inon Scharf, Alejandro G. Farji‐Brener

Advances in the study of behavior, Год журнала: 2024, Номер unknown, С. 1 - 49

Опубликована: Янв. 1, 2024

Язык: Английский

Процитировано

7

Transcriptomic responses in the nervous system and correlated behavioural changes of a cephalopod exposed to ocean acidification DOI Creative Commons
Jodi T. Thomas, Roger Huerlimann, Celia Schunter

и другие.

BMC Genomics, Год журнала: 2024, Номер 25(1)

Опубликована: Июнь 25, 2024

Abstract Background The nervous system is central to coordinating behavioural responses environmental change, likely including ocean acidification (OA). However, a clear understanding of neurobiological OA lacking, especially for marine invertebrates. Results We evaluated the transcriptomic response (CNS) and eyes two-toned pygmy squid ( Idiosepius pygmaeus ) conditions, using de novo transcriptome assembly created with long read PacBio ISO-sequencing data. then correlated patterns gene expression CO 2 treatment levels OA-affected behaviours in same individuals. induced within related various different types neurotransmission, neuroplasticity, immune function oxidative stress. These molecular changes may contribute OA-induced changes, as suggested by correlations among profiles, behaviours. Conclusions This study provides first insights into effects on cephalopod correlates whole animal responses, helping bridge gaps our knowledge between change responses.

Язык: Английский

Процитировано

3

Acidification alters anxiety-like behaviour and brain gene expression in zebrafish DOI Creative Commons
Jade M. Sourisse,

Munisa Tabarova,

Daniele Romeo

и другие.

The Science of The Total Environment, Год журнала: 2025, Номер 987, С. 179822 - 179822

Опубликована: Июнь 4, 2025

CO2-driven acidification of freshwater ecosystems is an increasing problem that could impact aquatic life in the future. Despite their physiological tolerance to naturally fluctuating pH, fishes exhibit behavioural and neurological changes response acidification. To determine molecular responses associated with these anticipated impairments for near-future, we examined transcriptomic zebrafish (Danio rerio) acidification, focusing on brain gills, which mediate behaviour acid-base regulation. Adult were exposed control (∼ 500 μatm) elevated CO2 (∼1000 five days submitted Open Field Novel Object Approach tests, revealing a decrease anxiety-like under CO2. Acidification caused differential expression genes involved cytoskeletal organization, cellular transport, immunity, visual system brain, indicative cell rearrangements. Conversely, there was no gene observed gills. However, co-expression immune oxidoreduction, are negatively correlated pCO2, along reduction indicate lower level oxidative stress. Our findings can perform regulation despite acidity predicted end century, but reveal does not confer resistance by rapid climate change.

Язык: Английский

Процитировано

0

Effects of elevated pCO2 on bioenergetics and disease susceptibility in Pacific herring Clupea pallasii DOI Creative Commons

CS Murray,

Jacob L. Gregg,

AH MacKenzie

и другие.

Marine Ecology Progress Series, Год журнала: 2024, Номер 738, С. 225 - 242

Опубликована: Май 2, 2024

Ocean acidification can affect the immune responses of fish, but effects on pathogen susceptibility remain uncertain. Pacific herring Clupea pallasii were reared from hatch under 3 CO 2 partial pressure ( p ) treatments (ambient, ∼650 µatm; intermediate, ∼1500 high, ∼3000 µatm) through metamorphosis (98 d) to evaluate ocean bioenergetics and an endemic viral disease. Mortality hemorrhagic septicemia (VHS) was comparable between ambient intermediate (all vulnerability testing at ). By contrast, fish high experienced significantly higher rates VHS mortality, condition factor survivors lower than in other treatments. However, prevalence infection among not influenced by treatment. Pre-flexion larval development affected elevated , as growth rate, energy use, feeding activity across Similarly, long-term (14 wk) chronic exposure . Herring both showed average reduction swimming speed; however, wide intra-treatment variability rendered effect nonsignificant. This study demonstrates that post-metamorphic are near-future predicted for coastal systems North Pacific. increased 3000 µatm indicates potential health fitness consequences extreme acidification.

Язык: Английский

Процитировано

0

Mutligenerational chronic exposure to near future ocean acidification in European sea bass (Dicentrarchus labrax): Insights into the regulation of the transcriptome in a sensory organ involved in feed intake, the tongue DOI
David Mazurais, Victor Simon, Pauline Auffret

и другие.

Marine Environmental Research, Год журнала: 2024, Номер 202, С. 106775 - 106775

Опубликована: Окт. 2, 2024

Язык: Английский

Процитировано

0

Ocean acidification causes some fishy side effects DOI Open Access
Emily A. Hardison

Journal of Experimental Biology, Год журнала: 2023, Номер 226(13)

Опубликована: Июнь 30, 2023

The ocean picks up our slack when it comes to climate change by absorbing a substantial amount of the carbon dioxide we produce. While this helps mitigate global warming, also increases acidity seawater in process called acidification. Unsurprisingly, there is concern over impact acidification on marine life, but understanding extent its effects an active and somewhat contentious area research. One main controversies centers whether affects fish behavior. Trevor Hamilton from MacEwan University Alberta University, Canada, Martin Tresguerres California, San Diego, USA, worked with international group colleagues examine current predicted changes behavior bicolor damselfish (Stegastes partitus) Panama.The team started holding seawater, either at acid levels or those change, for 5 days. Then, they videoed fish's response placing them four testing arenas that assessed their movement, boldness, aggression anxiety. most behaviors were not affected acidification, anxiety was higher acidic than current-day seawater.After establishing damselfish's impacted wanted figure out how happened. They hypothesized affect dopamine brain. Changes neurotransmitter can influence animal boldness more, which would explain why behaved differently more seawater. To test this, exposed drug mimics ran same behavioral tests them. discovered mimic – animals moved less bolder anxious water did change. This confirmed team's suspicion disrupts signaling behavior.But, as researchers experiment, noticed something odd. tanks constantly supplied fresh tank grew throughout study, likely because own production. As spend much time small coral reef crevices where mixing minimal, wondered natural habitat compared global-scale future predictions had informed study design. collected samples live outside open reef. Surprisingly, acidic, like scenario used while surrounding similar normal conditions. Importantly, these readings caused change; are just phenomenon reefs.These findings demonstrate no universal ‘normal’ ‘climate scenario’ be applied entire ecosystem. Instead, smaller microhabitats within ecosystem may differ environmental With new information hand, speculated increased observed help seek shelter avoid being eaten bigger fish. has wonder tiny have figured way use advantage what other treasures unlock if follow experimental observations always consider ecology study.

Язык: Английский

Процитировано

0

Transcriptomic responses in the nervous system and correlated behavioural changes of a cephalopod exposed to ocean acidification DOI Open Access
Jodi T. Thomas, Roger Huerlimann, Celia Schunter

и другие.

Authorea (Authorea), Год журнала: 2023, Номер unknown

Опубликована: Июль 28, 2023

The nervous system is central to coordinating behavioural responses environmental change, likely including ocean acidification (OA). However, a clear understanding of neurobiological OA lacking, especially for marine invertebrates. We evaluated the transcriptomic response (CNS) and eyes two-toned pygmy squid ( Idiosepius pygmaeus ) conditions, using de novo transcriptome assembly created with long read PacBio ISO-sequencing data. then correlated patterns gene expression CO treatment levels OA-affected behaviours in same individuals. induced within related various different types neurotransmission, neuroplasticity, immune function oxidative stress. These molecular changes may contribute OA-induced changes, as suggested by correlations between profiles, behaviours. This study provides first insights into effects on cephalopod correlates whole animal responses, helping bridge gap our knowledge change responses.

Язык: Английский

Процитировано

0

Transcriptomic responses in the nervous system and correlated behavioural changes of a cephalopod exposed to ocean acidification DOI Open Access
Jodi T. Thomas, Roger Huerlimann, Celia Schunter

и другие.

Authorea (Authorea), Год журнала: 2023, Номер unknown

Опубликована: Июль 31, 2023

The nervous system is central to coordinating behavioural responses environmental change, likely including ocean acidification (OA). However, a clear understanding of neurobiological OA lacking, especially for marine invertebrates. We evaluated the transcriptomic response (CNS) and eyes two-toned pygmy squid ( Idiosepius pygmaeus ) conditions, using de novo transcriptome assembly created with long read PacBio ISO-sequencing data. then correlated patterns gene expression CO treatment levels OA-affected behaviours in same individuals. induced within related various different types neurotransmission, neuroplasticity, immune function oxidative stress. These molecular changes may contribute OA-induced changes, as suggested by correlations between profiles, behaviours. This study provides first insights into effects on cephalopod correlates whole animal responses, helping bridge gap our knowledge change responses.

Язык: Английский

Процитировано

0