Degradation of plant arabinogalactan proteins by intestinal bacteria: characteristics and functions of the enzymes involved

Arabinogalactan proteins (AGPs) are complex plant proteoglycans that function as dietary fiber utilized by human intestinal bacteria such as Bifidobacterium and Bacteroides species. However, the degradative mechanism is unknown because of the complexity of sugar chains of AGPs as well as variation a...

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Veröffentlicht in:	Applied microbiology and biotechnology 2019-09, Vol.103 (18), p.7451-7457
Hauptverfasser:	Fujita, Kiyotaka, Sasaki, Yuki, Kitahara, Kanefumi
Format:	Artikel
Sprache:	eng
Schlagworte:	Arabinogalactan Bacteria Bacteria - enzymology Bacteroides Bacteroides - enzymology Bifidobacterium Bifidobacterium - enzymology Biodegradation Biomedical and Life Sciences Biotechnology Cell Wall - metabolism Complexity Degradation Dietary fiber Dietary Fiber - metabolism Enzymes Humans Intestine Intestines - microbiology Life Sciences Microbial Genetics and Genomics Microbiology Mini-Review Mucoproteins - metabolism Organs Plant Proteins - metabolism Plant species Plants - metabolism Proteins Proteoglycans Species Sugar Yogurt
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Beschreibung
Zusammenfassung:	Arabinogalactan proteins (AGPs) are complex plant proteoglycans that function as dietary fiber utilized by human intestinal bacteria such as Bifidobacterium and Bacteroides species. However, the degradative mechanism is unknown because of the complexity of sugar chains of AGPs as well as variation among plant species and organs. Recently, AGP degradative enzymes have been characterized in Bifidobacterium and Bacteroides species. In this review, we summarize the characteristics and functions of AGP degradative enzymes in human intestinal bacteria.
ISSN:	0175-7598 1432-0614
DOI:	10.1007/s00253-019-10049-0