蛋白质组动力学揭示了马钱子对热-旱综合胁迫的性别差异反应。

IF 9.3 1区 生物学 Q1 BIOCHEMISTRY & MOLECULAR BIOLOGY
Sara Guerrero, Víctor Roces, Lara García-Campa, Luis Valledor, Mónica Meijón
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引用次数: 0

摘要

最近的研究广泛记录了植物对气候变化的反应,特别是对单一胁迫的反应。然而,压力下生存的关键因素,如性分化,并不经常被考虑。双子叶马钱子属植物(Marchantia polymorpha)是一个进化里程碑,可能保留了早期殖民者的祖先特征。在这项研究中,我们利用蛋白质组分析和生理监测,研究了这种肝草的 Tak-1(雄性)和 Tak-2(雌性)品种对高温和干旱的综合反应。此外,我们还利用来自不同环境的不同自然种群进行了有针对性的转录组学研究。我们的研究结果表明,天然种群之间存在性别差异,这在控制条件下和早期胁迫反应期间尤为明显。虽然在控制条件下,Tak-2比Tak-1表现出更大的多样性,但雄性种群表现出独特和更快速的胁迫感应和信号传递。这些应激反应差异似乎与受地理气候影响的性别特异性可塑性密切相关。此外,我们还确定了不同的蛋白质基因年龄和基因组分布趋势,强调了蛋白质随时间多样化的重要性。这项研究采用系统生物学方法,从进化角度探讨了性差异和应激的出现,从而建立了应激反应中的全球和性别特异性相互作用网络。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Proteomic dynamics revealed sex-biased responses to combined heat-drought stress in Marchantia

Proteomic dynamics revealed sex-biased responses to combined heat-drought stress in Marchantia

Recent studies have documented plant responses to climate change extensively, particularly to single-stress exposures. However, critical factors for stress survival, such as sexual differentiation, are not often considered. The dioicous Marchantia polymorpha stands as an evolutionary milestone, potentially preserving ancestral traits from the early colonizers. In this study, we employed proteomic analyses complemented with physiological monitoring to investigate combined heat and drought responses in Tak-1 (male) and Tak-2 (female) accessions of this liverwort. Additionally, targeted transcriptomics was conducted using different natural populations from contrasting environments. Our findings revealed sex-biased dynamics among natural accessions, particularly evident under control conditions and during early stress responses. Although Tak-2 exhibited greater diversity than Tak-1 under control conditions, male accession demonstrated distinct and more rapid stress sensing and signaling. These differences in stress response appeared to be strongly related to sex-specific plasticity influenced by geoclimatic origin. Furthermore, we established distinct protein gene ages and genomic distribution trends, underscoring the importance of protein diversification over time. This study provides an evolutionary perspective on sexual divergence and stress emergence employing a systems biology approach, which allowed for the establishment of global and sex-specific interaction networks in the stress response.

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来源期刊
Journal of Integrative Plant Biology
Journal of Integrative Plant Biology 生物-生化与分子生物学
CiteScore
18.00
自引率
5.30%
发文量
220
审稿时长
3 months
期刊介绍: Journal of Integrative Plant Biology is a leading academic journal reporting on the latest discoveries in plant biology.Enjoy the latest news and developments in the field, understand new and improved methods and research tools, and explore basic biological questions through reproducible experimental design, using genetic, biochemical, cell and molecular biological methods, and statistical analyses.
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