NDLI: Was improvement of spinach growth by nano-TiO2 treatment related to the changes of Rubisco activase?

Content Provider	Springer Nature Link
Author	Gao, Fengqing Liu, Chao Qu, Chunxiang Zheng, Lei Yang, Fan Su, Mingyu Hong, Fashui
Copyright Year	2007
Abstract	Characterized by a photo—catalysis property, nano-anatase TiO2 is closely related to photosynthesis of spinach. It could not only improve light absorbance, transformation from light energy to electron energy and active chemical energy, but also promote the activity of Rubiso activase of spinach. However, the relation between the activity of Rubiso activase and the growth of spinach promoted by nano-anatase TiO2 treatment remains largely unclear. In this study, we find that the amount and the activity of Rubiso activase are obviously increased by nano-anatase TiO2 treatment, which led to the great promotion of Rubsico carboxylation and the high rate of photosynthesis, thus improving of spinach growth. The significant enhancement of Rubiso activase activity of nano-anatase TiO2 treated spinach is also accompanied by conformational changes as determined by spectroscopic analysis. But bulk TiO2 effect is not as significant as nano-anatase TiO2, as the grain size of nano-anatase TiO2 (5 nm) is much smaller than that of bulk TiO2, which entered spinach cell more easily.
Starting Page	211
Ending Page	217
Page Count	7
File Format	PDF
ISSN	09660844
Journal	BioMetals
Volume Number	21
Issue Number	2
e-ISSN	15728773
Language	English
Publisher	Springer Netherlands
Publisher Date	2007-07-27
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Nano-anatase TiO2 Spinach Rubsico activase Spectral property Physical Chemistry Biochemistry
Content Type	Text
Resource Type	Article
Subject	Metals and Alloys Biochemistry, Genetics and Molecular Biology Biomaterials Agricultural and Biological Sciences

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