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<p>High-altitude environments constitute a multifaceted stress matrix characterized by the convergence of intense ultraviolet radiation, severe diurnal temperature fluctuations, and hypobaric hypoxia. However, the genus <i>Artemisia</i> has not only colonised but also thrived in these habitats worldwide. Traditional research, which has focused on cataloguing isolated traits, has failed to explain the synergistic resilience observed in these plants. This review provides a multi-level integrated synthesis of global research on alpine <i>Artemisia</i>, framing adaptation as an emergent property of a dynamic, multi-level system. We demonstrate that the survival of these species is orchestrated by a dynamic system spanning four organizational levels: a foundational genomic and phylogeographic scaffold; a core physiological and metabolic network managing strategic resource trade-offs; a protective suite of engineered morphological traits; and a regulatory interface in which transcription factor networks integrate environmental signals. We present compelling evidence of this integration, from the precise metabolic reallocation in <i>Artemisia brevifolia</i> to the molecular cascades, such as the <i>AabHLH112-AaERF1</i> module in cold adaptation, which orchestrate a system-wide response. This synthesis resolves disparate findings into a unified paradigm, revealing adaptation as an emergent property of an interconnected system. By shifting the focus from isolated traits to their functional integration, this synthesis provides a framework for identifying vulnerabilities and informing strategies to enhance the resilience of alpine biodiversity, such as assisted migration or targeted conservation of critical refugia in the face of rapid climate change.</p>

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High-altitude adaptation in Artemisia: a multi-level integrated synthesis

  • 期刊论文

  • 发表日期：

    2026年2月9日

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  • Bushra Quyoom,
  • Tariq Bashir Rather,
  • Bilal Ahmad Mir,
  • Latif Ahmad Peer

摘要

High-altitude environments constitute a multifaceted stress matrix characterized by the convergence of intense ultraviolet radiation, severe diurnal temperature fluctuations, and hypobaric hypoxia. However, the genus Artemisia has not only colonised but also thrived in these habitats worldwide. Traditional research, which has focused on cataloguing isolated traits, has failed to explain the synergistic resilience observed in these plants. This review provides a multi-level integrated synthesis of global research on alpine Artemisia, framing adaptation as an emergent property of a dynamic, multi-level system. We demonstrate that the survival of these species is orchestrated by a dynamic system spanning four organizational levels: a foundational genomic and phylogeographic scaffold; a core physiological and metabolic network managing strategic resource trade-offs; a protective suite of engineered morphological traits; and a regulatory interface in which transcription factor networks integrate environmental signals. We present compelling evidence of this integration, from the precise metabolic reallocation in Artemisia brevifolia to the molecular cascades, such as the AabHLH112-AaERF1 module in cold adaptation, which orchestrate a system-wide response. This synthesis resolves disparate findings into a unified paradigm, revealing adaptation as an emergent property of an interconnected system. By shifting the focus from isolated traits to their functional integration, this synthesis provides a framework for identifying vulnerabilities and informing strategies to enhance the resilience of alpine biodiversity, such as assisted migration or targeted conservation of critical refugia in the face of rapid climate change.