1932

Abstract

Recent progress in the identification and characterization of pectin biosynthetic proteins and the discovery of pectin domain–containing proteoglycans are changing our view of how pectin, the most complex family of plant cell wall polysaccharides, is synthesized. The functional confirmation of four types of pectin biosynthetic glycosyltransferases, the identification of multiple putative pectin glycosyl- and methyltransferases, and the characteristics of the GAUT1:GAUT7 homogalacturonan biosynthetic complex with its novel mechanism for retaining catalytic subunits in the Golgi apparatus and its 12 putative interacting proteins are beginning to provide a framework for the pectin biosynthetic process. We propose two partially overlapping hypothetical and testable models for pectin synthesis: the consecutive glycosyltransferase model and the domain synthesis model.

Loading

Article metrics loading...

/content/journals/10.1146/annurev-arplant-042811-105534
2013-04-29
2024-03-28
Loading full text...

Full text loading...

/content/journals/10.1146/annurev-arplant-042811-105534
Loading
/content/journals/10.1146/annurev-arplant-042811-105534
Loading

Data & Media loading...

  • Article Type: Review Article
This is a required field
Please enter a valid email address
Approval was a Success
Invalid data
An Error Occurred
Approval was partially successful, following selected items could not be processed due to error