1. Division of Biotechnology
and Macromolecular Chemistry, Graduate School of Chemical Sciences
and Engineering, Faculty of Engineering, Hokkaido University, Sapporo 060-8628, Japan
2. Centre de Recherche sur les Macromolécules Végétales (CERMAV, UPR-CNRS 5301), affiliated with the Grenoble Alpes University
and member of the Institute de Chimie Moléculaire de Grenoble
(ICMG, FR-CNRS 2607), BP53, 38041 Grenoble Cedex 9, France