Patent ID: 8878005

Claim:
A method for increasing the thickness of a secondary cell wall of a plant, said method comprising producing a transgenic plant that contains expressible DNA encoding a protein consisting of a C-terminal domain of a tracheary element differentiation (TED) protein, wherein the C-terminal domain is selected from the group consisting of: amino acids 29-95 of SEQ ID NO: 1, amino acids 44-116 of SEQ ID NO: 4, amino acids 79-173 of SEQ ID NO: 6, amino acids 211-300 of SEQ ID NO: 2, amino acids 194-283 of SEQ ID NO: 3, amino acids 120-205 of SEQ ID NO: 5, amino acids 127-210 of SEQ ID NO: 7, amino acids 174-273 of SEQ ID NO: 8, amino acids 205-342 of SEQ ID NO: 9, and an amino acid sequence having at least 95% identity thereto; wherein the expressible DNA is expressed.