Nature ecology & evolution最新文献_第3页

How genotype-by-environment interactions on fitness emerge 基因型与环境之间的相互作用是如何产生的

IF 13.9 1区生物学

Nature ecology & evolution Pub Date : 2024-11-13 DOI: 10.1038/s41559-024-02577-4

Simon Aubé, Christian R. Landry

引用次数: 0

Plasticity and environment-specific relationships between gene expression and fitness in Saccharomyces cerevisiae 酿酒酵母基因表达与适应性之间的可塑性和环境特异性关系

IF 13.9 1区生物学

Nature ecology & evolution Pub Date : 2024-11-13 DOI: 10.1038/s41559-024-02582-7

Mohammad A. Siddiq, Fabien Duveau, Patricia J. Wittkopp

{"title":"Plasticity and environment-specific relationships between gene expression and fitness in Saccharomyces cerevisiae","authors":"Mohammad A. Siddiq, Fabien Duveau, Patricia J. Wittkopp","doi":"10.1038/s41559-024-02582-7","DOIUrl":"10.1038/s41559-024-02582-7","url":null,"abstract":"The environment influences how an organism’s genotype determines its phenotype and how this phenotype affects its fitness. Here, to better understand this dual role of environment in the production and selection of phenotypic variation, we determined genotype–phenotype–fitness relationships for mutant strains of Saccharomyces cerevisiae in four environments. Specifically, we measured how promoter mutations of the metabolic gene TDH3 modified expression level and affected growth for four different carbon sources. In each environment, we observed a clear relationship between TDH3 expression level and fitness, but this relationship differed among environments. Mutations with similar effects on expression in different environments often had different effects on fitness and vice versa. Such environment-specific relationships between phenotype and fitness can shape the evolution of phenotypic plasticity. We also found that mutations disrupting binding sites for transcription factors had more variable effects on expression among environments than those disrupting the TATA box, which is part of the core promoter. However, mutations with the most environmentally variable effects on fitness were located in the TATA box, because of both the lack of plasticity of TATA box mutations and environment-specific fitness functions. This observation suggests that mutations affecting different molecular mechanisms contribute unequally to regulatory sequence evolution in changing environments. Measuring how mutations in the promoter of a metabolic gene modified its expression level and affected growth of Saccharomyces cerevisiae in four environments, the authors show that the effects of mutations on gene expression and the relationships between expression levels and fitness vary among environments.","PeriodicalId":18835,"journal":{"name":"Nature ecology & evolution","volume":"8 12","pages":"2184-2194"},"PeriodicalIF":13.9,"publicationDate":"2024-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s41559-024-02582-7.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142601079","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Weakening of global terrestrial carbon sequestration capacity under increasing intensity of warm extremes 极端气候变暖导致全球陆地固碳能力减弱

IF 16.8 1区生物学

Nature ecology & evolution Pub Date : 2024-11-08 DOI: 10.1038/s41559-024-02576-5

Xiuliang Yuan, Xi Chen, Friday Uchenna Ochege, Rafiq Hamdi, Hossein Tabari, Baofu Li, Bin He, Chi Zhang, Philippe De Maeyer, Geping Luo

{"title":"Weakening of global terrestrial carbon sequestration capacity under increasing intensity of warm extremes","authors":"Xiuliang Yuan, Xi Chen, Friday Uchenna Ochege, Rafiq Hamdi, Hossein Tabari, Baofu Li, Bin He, Chi Zhang, Philippe De Maeyer, Geping Luo","doi":"10.1038/s41559-024-02576-5","DOIUrl":"https://doi.org/10.1038/s41559-024-02576-5","url":null,"abstract":"The net ecosystem exchange (NEE), determining terrestrial carbon sequestration capacity, is strongly controlled by climate change and has exhibited substantial year-to-year fluctuations. How the increased frequency and intensity of warm extremes affect NEE variations remains unclear. Here, we combined multiple NEE datasets from atmospheric CO2 inversions, Earth system models, eddy-covariance data-driven methods and climate datasets to show that the terrestrial carbon sequestration capacity is weakened during warm extreme occurrences over the past 40 years, primarily contributed by tropical regions (81% ± 48%). The underlying mechanism can be rooted in the overwhelmingly decreased trend of gross primary productivity compared with terrestrial ecosystem respiration. Additionally, the weakened terrestrial carbon sequestration capacity is mainly driven by the transition from temperature or soil moisture control to vapour pressure deficit control, which is associated with the increasing intensity of warm extremes. Our findings suggest that warm extremes threaten the global carbon sequestration function of terrestrial ecosystems. Therefore, more attention should be given to the evolution of the increasing intensity of warm extremes in future climate projections.","PeriodicalId":18835,"journal":{"name":"Nature ecology & evolution","volume":"2 1","pages":""},"PeriodicalIF":16.8,"publicationDate":"2024-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142597545","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Author Correction: Arbuscular mycorrhizal fungi equalize differences in plant fitness and facilitate plant species coexistence through niche differentiation 作者更正：丛枝菌根真菌通过生态位分化平衡植物适应性差异并促进植物物种共存

IF 13.9 1区生物学

Nature ecology & evolution Pub Date : 2024-11-08 DOI: 10.1038/s41559-024-02598-z

Claire E. Willing, Joe Wan, Jay J. Yeam, Alex M. Cessna, Kabir G. Peay

引用次数: 0

Biodiversity in times of conflict 冲突时期的生物多样性

IF 13.9 1区生物学

Nature ecology & evolution Pub Date : 2024-11-06 DOI: 10.1038/s41559-024-02583-6

引用次数: 0

Megapnosaurus rhodesiensis 罗得西亚巨普诺龙

IF 13.9 1区生物学

Nature ecology & evolution Pub Date : 2024-11-06 DOI: 10.1038/s41559-024-02574-7

Anusuya Chinsamy-Turan

引用次数: 0

The fact that bat wings and legs must evolve together impedes ecological adaptation 蝙蝠的翅膀和腿必须同时进化，这阻碍了生态适应性

IF 16.8 1区生物学

Nature ecology & evolution Pub Date : 2024-11-06 DOI: 10.1038/s41559-024-02573-8

引用次数: 0

Stefan Bengtson (1947–2024) 斯特凡-本特松（1947-2024）

IF 16.8 1区生物学

Nature ecology & evolution Pub Date : 2024-11-05 DOI: 10.1038/s41559-024-02581-8

Vivi Vajda, Andrew H. Knoll

引用次数: 0

Publisher Correction: Reply to: An Initial Upper Palaeolithic attribution is not empirically supported at Shiyu, northern China 出版商更正：答复中国北部石峪旧石器时代初期的归属没有得到经验支持

IF 16.8 1区生物学

Nature ecology & evolution Pub Date : 2024-11-04 DOI: 10.1038/s41559-024-02590-7

Shi-Xia Yang, Jia-Fu Zhang, Jian-Ping Yue, Fa-Xiang Huan, Andreu Ollé, Francesco d’Errico, Michael Petraglia

引用次数: 0

Exaptation of an evolutionary constraint enables behavioural control over the composition of secreted venom in a giant centipede 进化约束的适应使巨型蜈蚣能够对分泌毒液的成分进行行为控制

IF 16.8 1区生物学

Nature ecology & evolution Pub Date : 2024-11-04 DOI: 10.1038/s41559-024-02556-9

Vanessa Schendel, Brett R. Hamilton, Samuel D. Robinson, Kathryn Green, Marcel E. Sayre, Darren Brown, Jennifer L. Stow, Jan Philip Øyen, Kjetil L. Voje, S. Sean Millard, Irina Vetter, Lachlan D. Rash, Eivind A. B. Undheim

{"title":"Exaptation of an evolutionary constraint enables behavioural control over the composition of secreted venom in a giant centipede","authors":"Vanessa Schendel, Brett R. Hamilton, Samuel D. Robinson, Kathryn Green, Marcel E. Sayre, Darren Brown, Jennifer L. Stow, Jan Philip Øyen, Kjetil L. Voje, S. Sean Millard, Irina Vetter, Lachlan D. Rash, Eivind A. B. Undheim","doi":"10.1038/s41559-024-02556-9","DOIUrl":"https://doi.org/10.1038/s41559-024-02556-9","url":null,"abstract":"Venoms are biochemical arsenals that have emerged in numerous animal lineages, where they have co-evolved with morphological and behavioural traits for venom production and delivery. In centipedes, venom evolution is thought to be constrained by the morphological complexity of their venom glands due to physiological limitations on the number of toxins produced by their secretory cells. Here we show that the uneven toxin expression that results from these limitations have enabled Scolopendra morsitans to regulate the composition of their secreted venom despite the lack of gross morphologically complex venom glands. We show that this control is probably achieved by a combination of this heterogenous toxin distribution with a dual mechanism of venom secretion that involves neuromuscular innervation as well as stimulation via neurotransmitters. Our results suggest that behavioural control over venom composition may be an overlooked aspect of venom biology and provide an example of how exaptation can facilitate evolutionary innovation and novelty.","PeriodicalId":18835,"journal":{"name":"Nature ecology & evolution","volume":"68 1","pages":""},"PeriodicalIF":16.8,"publicationDate":"2024-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142574565","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0