光对……生长和代谢的影响

Effects of Light on Growth and Metabolism of .

作者信息

Engelhart-Straub Selina, Cavelius Philipp, Hölzl Fabian, Haack Martina, Awad Dania, Brueck Thomas, Mehlmer Norbert

机构信息

Werner Siemens-Chair of Synthetic Biotechnology, Department of Chemistry, Technical University of Munich (TUM), 85748 Garching, Germany.

出版信息

Microorganisms. 2022 Aug 20;10(8):1680. doi: 10.3390/microorganisms10081680.

is resilient to various stressors. However, the response of towards light has not been evaluated. In this study, was exposed to different wavelengths of light. Compared to non-illuminated controls, carotenoid levels were significantly increased in white (standard warm white), green (510 nm) and blue light (470 nm) illuminated cultures. Notably, blue light (455, 425 nm) exhibited anti-microbial effects. Interestingly, cellular lipid composition shifted under light stress, increasing odd chain fatty acids (C15:0, C17:1) cultured under white (standard warm white) and green (510 nm) light. When exposed to blue light (470, 455, 425 nm), fatty acid profiles shifted to more saturated fatty acids (C16:1 to C16:0). Time-resolved proteomics analysis revealed several oxidative stress-related proteins to be upregulated under light illumination.

对各种应激源具有抗性。然而，其对光的反应尚未得到评估。在本研究中，将其暴露于不同波长的光下。与未光照的对照相比，在白色（标准暖白色）、绿色（510纳米）和蓝光（470纳米）照射的培养物中类胡萝卜素水平显著增加。值得注意的是，蓝光（455、425纳米）表现出抗菌作用。有趣的是，细胞脂质组成在光胁迫下发生变化，在白色（标准暖白色）和绿色（510纳米）光下培养的奇数链脂肪酸（C15:0、C17:1）增加。当暴露于蓝光（470、455、425纳米）时，脂肪酸谱向更饱和的脂肪酸（C16:1至C16:0）转变。时间分辨蛋白质组学分析显示，在光照下几种与氧化应激相关的蛋白质上调。