Plants with altered root architecture, involving the rum1 gene, related constructs and methods

US7960613B2 · kind B2 · utility

Assignees

• E.I. DU PONT DE NEMOURS AND COMPANY · US
• PIONEER HI-BRED INTERNATIONAL, INC. · US

Inventors

• Graziana Taramino · Wilmington, US
• Hajime Sakai · Newark, US
• Mai Komatsu · Wilmington, US
• Xiaomu Niu · Johnston, US

Key dates

• Filing date: Oct 30, 2008
• Grant date: Jun 14, 2011
• Expiry date: Dec 6, 2028

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02A40/146
• WIPO field: Biotechnology
• WIPO sector: Chemistry

Abstract

The present disclosure is directed to isolated nucleic acid fragments comprising a root-preferred maize NAS2 promoter, a functional fragment thereof, and end-uses and methods utilizing said fragments. Functional fragment NAS2 promoters include those containing the Root Motif 1, the CAAT box, and the TATA box; the Pyrimidine Box, the Pyrimidine-rich Stretch, the QAR, the Root Motif 1, the CAAT box, and the TATA box; and the Pyrimidine Box, the Pyrimidine-rich Stretch, the QAR, the Root Motif 1, and the CAAT box.