Exploring Core Response Mechanisms to Multiple Environmental Stressors Via A Genome-Wide Study in the Brown Alga Saccharina japonica (Laminariales, Phaeophyceae)(1)

文献类型： 外文期刊

第一作者： Ye, Naihao

作者： Ye, Naihao

作者机构：

关键词： multiple environmental stressors; response mechanism; Saccharina japonica

期刊名称：JOURNAL OF PHYCOLOGY （ 影响因子：2.923； 五年影响因子：3.091 ）

ISSN： 0022-3646

年卷期： 2021 年 57 卷 1 期

页码：

收录情况： SCI

摘要： Saccharina japonica is an important large brown alga and a major component of productive beds on the northwest coast of the Pacific Ocean. Abiotic stress response mechanisms are receiving considerable attention because global climate change is increasing their abiotic stress levels. However, our knowledge of how S. japonica broadly responds to stress is limited. In this study, we investigated the S. japonica responsive genes underlying acclimation to diverse stressors of acidification, high light, high temperature, hypersalinity, and hyposalinity and identified 408 core genes constantly and differentially expressed in response to all stressors. Our results confirm that stressors had strong effects on genes participating in photosynthesis, amino acid metabolism, carbohydrate metabolism, halogen metabolism, and reactive oxygen species defense. These findings will improve our understanding of brown algal response mechanisms linked to environmental stress and provide a list of candidate genes for improving algal stress tolerance in light of environmental stress in future studies.

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