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Vitamin D5 in Arabidopsis thaliana.

A new interesting article has been published in Sci Rep. 2018 Nov 5;8(1):16348. doi: 10.1038/s41598-018-34775-z. and titled:

Vitamin D5 in Arabidopsis thaliana.

Authors of this article are:

Silvestro D, Villette C, Delecolle J, Olsen CE, Motawia MS, Geoffroy P, Miesch M, Jensen PE, Heintz D, Schaller H.

A summary of the article is shown below:

Vitamin D3 is a secosterol hormone critical for bone growth and calcium homeostasis, produced in vertebrate skin by photolytic conversion of the cholesterol biosynthetic intermediate provitamin D3. Insufficient levels of vitamin D3 especially in the case of low solar UV-B irradiation is often compensated by an intake of a dietary source of vitamin D3 of animal origin. Small amounts of vitamin D3 were described in a few plant species and considered as a peculiar feature of their phytochemical diversity. In this report we show the presence of vitamin D5 in the model plant Arabidopsis thaliana. This plant secosterol is a UV-B mediated derivative of provitamin D5, the precursor of sitosterol. The present work will allow a further survey of vitamin D distribution in plant species.

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