Functional metagenomics reveals novel β-galactosidases not predictable from gene sequences Cheng, Jiujun ; Romantsov, Tatyana ; Engel, Katja ; Doxey, Andrew C. ; Rose, David R. ; Neufeld, Josh D. ; Charles, Trevor C. Abstract Publication: PLoS ONE Pub Date: March 2017 DOI: 10.1371/journal.pone.0172545 Bibcode: 2017PLoSO..1272545C