Review Article

Metagenomics: An Application Based Perspective

Table 1

Biocatalysts screened from metagenomic libraries by function-based approach.

FunctionHabitatLibrary typeSubstrateReference

Alkaline pectate lyaseSoilPlasmidPectin[41]
AmylaseSoilCosmidStarch[43]
-amylaseSoilFosmidStarch[44]
CellulaseSoilPlasmidCarboxymethyl-cellulose[15]
CellulaseSoilFosmidHydroxyethyl cellulose[14]
EndocellulaseSoilPlasmidCarboxymethyl-cellulose[13]
EndoglucanaseRice straw compostλ phageCarboxymethyl-cellulose[12]
LipaseMarine sedimentPlasmidp-Nitrophenyl (pNP) esters[22]
LipaseMarine sponge
(Haliclonasimulans)
FosmidTributyrin agar[25]
LipaseFosmidp-Nitrophenyl (pNP) esters[26]
LipaseSoilFosmidTributyrin agar[27]
LipaseSedimentFosmidTriolein[29]
PectinaseLagoonPlasmidPolygalacturonic acid[40]
ProteaseSoilPlasmidAzocasein[36]
Serine proteasesSoilPlasmidSkim milk agar[66]
Xylanase/endoglucanaseSand
Yak rumen
CosmidXylan/CMC[30]
XylanaseFosmidBirch wood xylan[31]
XylanaseHolstein cattle FosmidXylan[32]
XylanaserumenPlasmidXylan[23]
XylanaseCompost soil RumenBACOat spelt xylan[34]