Testing the Physiological Capacity of the Mussel Mytilus Chilensis to Establish into the Southern Ocean DOI
Jorge M. Navarro, Leyla Cárdenas, Alejandro Ortíz

et al.

Published: Jan. 1, 2023

The Southern Ocean and the Antarctic Circumpolar Current create environmental conditions that serve as an efficient barrier to prevent colonization of non-native species (NNS) in marine ecosystems Antarctica. However, warming increasing number transport opportunities are reducing physiological physical barriers, chances NNS arriving. aim this study was determine limits survival juvenile mussels, M. chilensis, under current those projected climate change. These assessments were used define mussels potential for establishment region. Experimental exposed four treatments: -1.5 °C (Antarctic winter), 2 summer), 4 projected) 8 (control) 80 days a combination transcriptomics approaches investigate mussel response. molecular responses congruent with results, revealing tolerance winter temperatures. higher regulated differentially expressed gene (DEGs) reported temperatures (-1.5 ºC). This associated activation biological processes apoptosis (up regulated) both cell division cilium assembly (down regulated). reduced feeding rate negative scope growth, large part exposure period at °C, suggests represents chilensis from Magellanic region settling Antarctic. Although not robust Antarctica thermal conditions, future scenarios likely weaken these barriers. results strongly suggest West Peninsula could become Mytilus distributional range, especially dispersal aided by maritime activity across Ocean.

Language: Английский

Coping with harsh heat environments: molecular adaptation of metabolic depression in the intertidal snail Echinolittorina radiata DOI Creative Commons
Jie Wang,

Lin‐Xuan Ma,

Yun‐Wei Dong

et al.

Cell Stress and Chaperones, Journal Year: 2022, Volume and Issue: 28(5), P. 477 - 491

Published: Sept. 12, 2022

Language: Английский

Citations

13

The genetic basis of adaptation to copper pollution in Drosophila melanogaster DOI Creative Commons
Elizabeth R. Everman, Stuart J. Macdonald, John K. Kelly

et al.

Frontiers in Genetics, Journal Year: 2023, Volume and Issue: 14

Published: April 4, 2023

Introduction: Heavy metal pollutants can have long lasting negative impacts on ecosystem health and shape the evolution of species. The persistent ubiquitous nature heavy pollution provides an opportunity to characterize genetic mechanisms that contribute resistance in natural populations. Methods: We examined variation copper, a common contaminant, using wild collections model organism Drosophila melanogaster . Flies were collected from multiple sites varied copper contamination risk. characterized phenotypic within among populations bulked segregant analysis identify regions genome resistance. Results Discussion: Copper with clear correspondence between level historical exposure copper. identified 288 SNPs distributed across associated Many had population-specific effects, but some consistent effects all Significant map several novel candidate genes involved refolding disrupted proteins, energy production, mitochondrial function. also one SNP near CG11825 , gene homeostasis compared signatures wild-derived control Synthetic Population Resource (DSPR) Genetic Reference Panel (DGRP), two copper-naïve laboratory In addition which was as previously DSPR, there modest overlap copper-associated Thirty-one fell DSPR prior study. Collectively, our results demonstrate is highly polygenic, loci be clearly linked toxicity response. mixture parallel points complex interplay background selection regime modifies

Language: Английский

Citations

7

Physiological and molecular pathways of crop plants in response to heat stress DOI
Fozia Abasi, Maria Ehsan, Naveed Iqbal Raja

et al.

Elsevier eBooks, Journal Year: 2024, Volume and Issue: unknown, P. 459 - 479

Published: Jan. 1, 2024

Language: Английский

Citations

2

Testing the physiological capacity of the mussel Mytilus chilensis to establish into the Southern Ocean DOI
Jorge M. Navarro, Leyla Cárdenas, Alejandro Ortíz

et al.

The Science of The Total Environment, Journal Year: 2024, Volume and Issue: 921, P. 170941 - 170941

Published: Feb. 14, 2024

Language: Английский

Citations

2

Genetic characterization, structural analysis, and detection of positive selection in small heat shock proteins of Cypriniformes and Clupeiformes DOI

Mehwish Sultana,

Muhammad Tayyab, Shakeela Parveen

et al.

Fish Physiology and Biochemistry, Journal Year: 2024, Volume and Issue: 50(3), P. 843 - 864

Published: April 8, 2024

Language: Английский

Citations

2

The Influence of HSP Inducers on Salinity Stress in Sterlet Sturgeon (Acipenser ruthenus): in Vitro Study on HSP Expression, Immune Responses, and Antioxidant Capacity DOI Creative Commons
Sevda Zarei, Hossein Ghafouri,

Leila Vahdatiraad

et al.

Cell Stress and Chaperones, Journal Year: 2024, Volume and Issue: 29(4), P. 552 - 566

Published: June 22, 2024

Heat shock proteins (HSPs) play a crucial role in antioxidant systems, immune responses, and enzyme activation during stress conditions. Salinity changes can cause energy expenditure fish, resulting mortality, especially fingerlings. The purpose of this study was to examine the relationship between salinity HSPs stressed fish by assessing effects various HSP inducers (HSPis), including Pro-Tex® (800 mM), amygdalin (80 novel synthetic compound derived from pirano piranazole µM), on isolated cells Sterlet Sturgeon (Acipenser ruthenus) exposed 13 ‰ (S13). After liver, kidney, gill were cultured, HSPi compounds treated vitro presence absence salinity. expression patterns HSP27, HSP70, HSP90 assessed Western blotting. Biochemical enzymes (aspartate aminotransferase, alanine alkaline phosphatase, lactate dehydrogenase), cortisol levels, parameters (component 3, immunoglobulin M, lysozyme) measured before after treatment with HSPis + S13. According these findings, positively modulate expression, levels. Furthermore, they increased cell survival maintaining levels biochemical activities A. ruthenus under saline conditions (P < 0.0001). In conclusion, increase resistance stress. However, results also indicated that reverse adverse effectiveness approach depends further research into ecological factors health status species, vivo combination other stresses.

Language: Английский

Citations

2

Ecological genomics in the Northern krill uncovers loci for local adaptation across ocean basins DOI Creative Commons
Per Unneberg, Mårten Larsson, Anna Olsson

et al.

Nature Communications, Journal Year: 2024, Volume and Issue: 15(1)

Published: Aug. 1, 2024

Abstract Krill are vital as food for many marine animals but also impacted by global warming. To learn how they and other zooplankton may adapt to a warmer world we studied local adaptation in the widespread Northern krill ( Meganyctiphanes norvegica ). We assemble characterize its large genome compare genome-scale variation among 74 specimens from colder Atlantic Ocean Mediterranean Sea. The 19 Gb likely evolved through proliferation of retrotransposons, now targeted inactivation extensive DNA methylation, contains duplicated genes associated with molting vision. Analysis 760 million SNPs indicates homogenizing gene-flow populations. Nevertheless, detect signatures adaptive divergence across hundreds genes, implicated photoreception, circadian regulation, reproduction thermal tolerance, indicating polygenic light temperature. top gene candidate ecological was nrf-6 , lipid transporter variant that contribute early spring reproduction. Such could become increasingly important fitness stocks. Our study underscores uneven distribution variation, necessitating characterization genetic natural populations understand their potential, predict risks support ocean conservation face climate change.

Language: Английский

Citations

2

Temperature stress in psychrophilic green microalgae: Minireview DOI
Marina Cvetkovska,

Galyna Vakulenko,

David Roy Smith

et al.

Physiologia Plantarum, Journal Year: 2022, Volume and Issue: 174(6)

Published: Oct. 30, 2022

Photosynthetic algae are the main primary producers in polar regions, form basis of food webs, and responsible for a significant portion global carbon fixation. Many cold-water psychrophiles that thrive cold but cannot grow at moderate temperatures (≥20°C). Polar regions risk rapid warming caused by climate change, sensitivity psychrophilic to rising makes them, ecosystems they inhabit, particularly vulnerable. Recent research on Antarctic psychrophile Chlamydomonas priscuii, an emerging algal model, has revealed unique adaptations life permanent cold. Additionally, genome sequencing C. priscuii its relative sp. ICE-L given rise plethora computational tools can help elucidate genetic psychrophily. This minireview summarizes new advances characterizing heat stress responses examines their extraordinary temperature increases. Further this field will determine impact change from threatened environments.

Language: Английский

Citations

11

High-resolution Michelson Salinometer Based on Frequency-modulated Continuous-wave Interferometry DOI
Shuqing Yang, Lanting Ji, Shanshan Zhao

et al.

IEEE Sensors Journal, Journal Year: 2024, Volume and Issue: 25(1), P. 390 - 397

Published: July 16, 2024

Language: Английский

Citations

2

Maize heat shock proteins—prospection, validation, categorization and in silico analysis of the different ZmHSP families DOI Creative Commons
R. Diogo, Édila Vilela de Resende Von Pinho, Renan Terassi Pinto

et al.

Stress Biology, Journal Year: 2023, Volume and Issue: 3(1)

Published: Sept. 6, 2023

Among the plant molecular mechanisms capable of effectively mitigating effects adverse weather conditions, heat shock proteins (HSPs), a group chaperones with multiple functions, stand out. At time full progress on omic sciences, they look very promising in genetic engineering field, especially order to conceive superior genotypes, potentially tolerant abiotic stresses (AbSts). Recently, some works concerning certain families maize HSPs (ZmHSPs) were published. However, there was still lack study that, high degree criteria, would fully conglomerate them. Using distinct but complementary strategies, we have prospected as many ZmHSPs candidates possible, gathering more than thousand accessions. After detailed data mining, accounted for 182 validated ones, belonging seven families, which subcategorized into classes potential functional parity. In them, identified dozens motifs similarity from different kingdoms, may help explain their poorly understood means action. Through silico and vitro approaches, compared expression levels after controlled exposure several AbSts' sources, applied at diverse tissues, varied phenological stages. Based gene ontology concepts, analyzed them perspectives term enrichment. We also searched, model plants close species, orthologous genes. With all these new insights, culminated plentiful supplementary material, rich tables, aim constitute fertile consultation source those researchers attracted by interesting stress proteins.

Language: Английский

Citations

4