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Blue light stimulates light stress and phototactic behavior when received in the brain of Diaphorina citri

文献类型： 外文期刊

作者： Wang, Fei-Feng 1 ; Wang, Ming-Hui 1 ; Zhang, Meng-Ke 1 ; Qin, Peng 1 ; Cuthbertson, Andrew G. S. 3 ; Lei, Chao-Liang 4 ; Qiu, Bao-Li 1 ; Yu, Lin 5 ; Sang, Wen 1 ;

作者机构： 1.South China Agr Univ, Guangzhou 510640, Peoples R China

2.Guangdong Lab Lingnan Modern Agr, Guangzhou 510640, Peoples R China

3.Independent Sci Advisor, York YO10 5AQ, England

4.Huazhong Agr Univ, Hubei Insect Resources Utilizat & Sustainable Pest, Wuhan 430070, Peoples R China

5.Guangdong Acad Agr Sci, Inst Plant Protect, Key Lab Green Prevent & Control Fruits & Vegetable, Minist Agr & Rural Affairs,Guangdong Prov Key Lab, Guangzhou 510640, Peoples R China

关键词： Asian citrus psyllid; Light stress; Transcriptome; Oxidative stress; Protein denaturation; Neuromodulation

期刊名称：ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY （ 影响因子：6.8； 五年影响因子：6.9 ）

ISSN： 0147-6513

年卷期： 2023 年 251 卷

页码：

收录情况： SCI

摘要： Blue light with a wavelength of 400-470 nm is the composition of the visible light. However, in recent years, blue light contributed the most significance to light pollution due to the artificial light at night. Previously, we have demonstrated that the Asian citrus psyllid (ACP), Diaphorina citri, an important pest in citrus production, has significant positive phototaxis with a light-emitting diode light of 400 nm. In this study, ACP with positive phototactic behavior to 400 nm light (PH) and non-phototactic behavior to 400 nm light (NP) were collected, individually. Transcriptome dynamics of head tissues of PH and NP groups were captured by using RNA-sequencing technology, respectively. Forty-three to 46 million clean reads with high-quality values were ob-tained, and 1773 differential expressed genes (DEGs) were detected. Compared with the NP group, there were 841 up-regulated DEGs and 932 down-regulated DEGs in the PH group. Eight pathways were significantly enriched in the PH group in the KEGG database, while 43 up-regulated pathways and 25 down-regulated pathways were significantly enriched in the PH group in the GO database. The DGE approach was reliable validated by real time quantitative PCR. Results indicated that the blue light acted as an abiotic stress causing physiological and biochemical responses such as oxidative stress, protein denaturation, inflammation and tumor development in ACPs. Additionally, the light was absorbed by photoreceptors of ACPs, and converted into electrical signal to regulate neuromodulation. This study provides basic information for understanding the molecular mechanisms of ACP in response to blue light and provides a reference for further studies to elucidate phototactic behavior.

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