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Table 2 Gene-trait matching with functions resulting from hierarchical clustering analysis

From: Gene-trait matching across the Bifidobacterium longum pan-genome reveals considerable diversity in carbohydrate catabolism among human infant strains

Carbohydrate

Gene cluster

Functions

XYLO-OLIGOSACCHARIDES (XOS)

A

Hypothetical protein

Putative outer membrane protein

Galactoside O-acetyltransferase

Alpha-L-arabinofuranosidase

Beta-1,4-xylosidase

ABC transporter permease

ABC transporter permease

Lactose ABC transporter substrate-binding protein

LacI family transcriptional regulator

NADH-dependent butanol dehydrogenase 1

ARABINAN

B

Endo-1,4-beta-xylanase

Endo-1,4-beta-xylanase

Beta-xylosidase

Endo-1,4-beta-xylanase

ARABINOXYLAN

C

ABC transporter, permease protein, probably fructooligosaccharide porter

ABC transporter, permease protein, probably fructooligosaccharide porter

ABC transporter, extracellular SBP, probably fructooligosaccharide porter

Exo-alpha-L-arabinofuranosidase II

Lipase

LacI family transcriptional regulator

Beta-xylosidase

Beta-xylosidase

Beta-xylosidase o endo-arabinase

Alpha-arabinofuranosidase I

GALACTAN

D

Solute-binding protein of ABC transporter system for sugars galactan metabolism

ABC transporter permease

ABC transporter permease

Beta-galactosidase galactan metabolism

Transcriptional regulator LacI family galactan metabolism

Glycosyl hydrolases family 53 Endogalactanase galactan metabolism

2,5-diketo-D-gluconic acid reductase

FUCOSYLLACTOSE (FL)

E

LacI family transcriptional regulator

putative ABC transporter permease

ABC transporter permease

ABC transporter substrate binding component

Mandelate racemase/muconate lactonizing protein

Short chain dehydrogenase

Hypothetical protein

Dihydrodipicolinate synthase

Predicted fucose isomerase

Alpha-1,3/4-fucosidase

Hypothetical protein (Glycosyl hydrolases family 95)

  1. Glycosyl hydrolases involved in carbohydrate utilization of each cluster are italicized