Transgenic rice plants expressing the α-L-arabinofuranosidase of Coprinopsis cinerea exhibit strong dwarfism and markedly enhanced tillering.

ABSTRACT: Lignocellulosic materials are potential renewable sources of fermentable sugars for bioethanol production. In this study, we used the CcAbf62A gene encoding CcAbf62A, a putative extracellular α-L-arabinofuranosidase, cloned from the mycotrophic basidiomycete Coprinopsis cinerea. CcAbf62A acts on arabinoxylan, the major hemicellulose of grasses, releasing arabinose. CcAbf62A was introduced into rice with the aim of enhancing delignification efficiency and the availability of lignocellulosic materials without reducing lignin content. Among the 32 lines of regenerated transgenic rice, 13 exhibited markedly disrupted elongation growth and excessive tillering (dwarf), seven showed delayed elongation growth (retarded-growth), and 12 showed phenotypes similar to those of cont

SUBMITTER: Maruyama R 

PROVIDER: S-EPMC8562574 | biostudies-literature | 2021 Sep

REPOSITORIES: biostudies-literature