Arabinogalactan proteins: focus on carbohydrate active enzymes

Eva Knoch, Adiphol Dilokpimol, Naomi Geshi (Corresponding Author)

Research output: Contribution to journalReview Articlepeer-review


Arabinogalactan proteins (AGPs) are a highly diverse class of cell surface proteoglycans that are commonly found in most plant species. AGPs play important roles in many cellular processes during plant development, such as reproduction, cell proliferation, pattern formation and growth, and in plant-microbe interaction. However, little is known about the molecular mechanisms of their function. Numerous studies using monoclonal antibodies that recognize different AGP glycan epitopes have shown the appearance of a slightly altered AGP glycan in a specific stage of development in plant cells. Therefore, it is anticipated that the biosynthesis and degradation of AGP glycan is tightly regulated during development. Until recently, however, little was known about the enzymes involved in the metabolism of AGP glycans. In this review, we summarize recent discoveries of carbohydrate active enzymes (CAZy; involved in the biosynthesis and degradation of AGP glycans, and we discuss the biological role of these enzymes in plant development.
Original languageEnglish
Pages (from-to)198
JournalFrontiers in Plant Science
Publication statusPublished - 2014
MoE publication typeA2 Review article in a scientific journal


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