Table 7 Characterized sugar metabolic genes in B. breve UCC2003

fos operon

β-fructofuranosidase

FOS, sucrose

[113]

fru operon

Enzyme EII of PTS-PEP system

Fructose

[75]

apuB

Amylopullulanase

Starch, amylopectin, glycogen, pullulan

[89]

galA

Endogalactanase

Potato galactan

[88, 89]

agl1

α-glucosidase

Panose, isomaltose, isomaltotriose, sucrose isomers

[98]

agl2

α-glucosidase

Panose, isomaltose, isomaltotriose, sucrose isomers

[98]

rbs operon

Ribokinase

Ribose

[97]

cld operon

β-1,4-glucosidase

Cellobiose, cellodextrins

(Accepted for publication; Pokusaeva et al. 2010)