Abstract
This article comments on:Zhao X, Liu N, Shang N, et al. 2018. Three UDP-xylose transporters (UXTs) participate in xylan biosynthesis by conveying cytosolic UDP-xylose into the Golgi lumen in Arabidopsis. Journal of Experimental Botany 69, 1125–1134. .
Highlights
Plant science is approaching the vision of cell walls constructed ‘fit for purpose’ (Johnson et al, 2017)
This central carbohydrate precursor is converted to UDP-L-rhamnose, UDP-galactose and UDP-D-glucuronic acid (UDP-GlcA), the latter being converted to UDP-D-apiose and UDP-D-xylose (UDP-Xyl)
The first example is the biosynthesis of UDP-Xyl, a precursor for xylans (York and O’Neill, 2008), xyloglucan, rhamnogalacturonan II (RG II) and xylogalacturonan (Caffall and Mohnen, 2009)
Summary
Plant science is approaching the vision of cell walls constructed ‘fit for purpose’ (Johnson et al, 2017). The enzyme that generates UDP-D-galacturonic acid (GalA) from UDP-GlcA is exclusively Golgi localized. To give the cytosolic pool of UDP-Xyl access to the site of carbohydrate biosynthesis, a Golgi-localized UDP-Xyl transporter is needed.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.