Functional metagenomics unveils a multifunctional glycosyl hydrolase from the family 43 catalysing the breakdown of plant polymers in the calf rumen. oleh Manuel Ferrer, Azam Ghazi, Ana Beloqui, José María Vieites, Nieves López-Cortés, Julia Marín-Navarro, Taras Y Nechitaylo, María-Eugenia Guazzaroni, Julio Polaina, Agnes Waliczek, Tatyana N Chernikova, Oleg N Reva, Olga V Golyshina, Peter N Golyshin