

FOLLOWUS
1.Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
2.Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China
3.College of Earth Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
WANG Guangce, gcwang@qdio.ac.cn
收稿:2019-03-11,
录用:2019-4-19,
网络首发:2019-04-29,
纸质出版:2020-01
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Transcriptome analysis of carotenoid biosynthesis in
Yuanxiang LI, Xuehua CAI, Wenhui GU, et al. Transcriptome analysis of carotenoid biosynthesis in
Transcriptome analysis of carotenoid biosynthesis in
Yuanxiang LI, Xuehua CAI, Wenhui GU, et al. Transcriptome analysis of carotenoid biosynthesis in
The quality of light is an important abiotic factor that affects the growth and development of photosynthetic organisms. In this study
we exposed the unicellular green alga
Dunaliella salina
to red (660 nm) and blue (450 nm) light and analyzed the cell growth
total carotenoid content
and transcriptomes. The growth of
D. salina
was enhanced by illumination with red light
whereas blue light was not able to promote the algal growth. In contrast
the total carotenoid content increased under both red and blue light. The RNA of
D. salina
was sequenced and the transcriptomic response of algal cells to red and blue light was investigated. Six transcripts encoding for the blue light receptor cryptochrome were identified
and transcripts involved in the carotenoid metabolism were up-regulated under both red and blue light. Transcripts encoding for photoprotective enzymes related to the scavenging of reactive oxygen species were up-regulated under blue light. The present transcriptomic study provides a more comprehensive understanding of carotenoid biosynthesis in
D. salina
under different wavelengths of light.
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