Mol Plant
Published: February 2017
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http://dx.doi.org/10.1016/j.molp.2016.12.009 | DOI Listing |
Arch Biochem Biophys
December 2024
Department of Chemistry, Missouri University of Science and Technology, Rolla, MO, 65409, USA. Electronic address:
We report a novel light-dependent activation mechanism for 2-haloacrylate hydratase (2HAH), a flavin-dependent dehalogenase. Initial assays revealed inconsistent enzyme activity, stabilized only after chemical reduction or exposure to bright light. Spectroscopic analysis showed that light accelerates flavin reduction by NAD(P)H, completing in 30 s under bright light versus slow reduction in the dark.
View Article and Find Full Text PDFACS Appl Mater Interfaces
December 2024
School of Science and Engineering, Shenzhen Institute of Aggregate Science and Technology, The Chinese University of Hong Kong, Shenzhen (CUHK-Shenzhen), Guangdong 518172, P.R. China.
Inspired by the structure of chlorophyll assembled on the thylakoid membrane through its long hydrophobic chain, we designed cationic aggregation-induced emission (AIE) amphiphiles with two long hydrophobic chains to assemble with the electronegative cytomembrane of algae for efficiently converting natural ultraviolet light into usable blue light to promote photosynthesis. The photosynthesis efficiency of algae depended on the carbon chain length of the AIE amphiphile due to the difference in assembly capacity with the algal membrane. The AIE amphiphile with two hydrophobic chains of 12 carbon atoms effectively intercalated into the cytomembrane of algae, serving as an artificial membrane-embedded antenna to significantly improve light utilization by algae.
View Article and Find Full Text PDFACS Synth Biol
December 2024
Structural Biology Initiative, CUNY Advanced Science Research Center, New York, New York 10031, United States.
J Exp Bot
November 2024
School of Biological Sciences, National Institute of Science Education and Research (NISER), Jatni, Khorda, Odisha, India.
Sci Rep
October 2024
Life Science Research Center, College of Bioresource Sciences, Nihon University, 1866 Kameino, Fujisawa, 252-0880, Japan.
The LitR/CarH family comprises adenosyl B-based photosensory transcriptional regulators that control light-inducible carotenoid production in nonphototrophic bacteria. In this study, we established a blue-green light-inducible hyperexpression system using LitR and its partner ECF-type sigma factor LitS in streptomycin-producing Streptomyces griseus NBRC 13350. The constructed multiple-copy number plasmid, pLit19, carried five genetic elements: pIJ101rep, the thiostrepton resistance gene, litR, litS, and σ-recognized light-inducible crtE promoter.
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