Caroline Rachel Drake,Jacqueline Ann Mary Paine,Catherine Ann Shipton
申请号：
US13275219
公开号：
US20120042417A1
申请日:
2011.10.17
申请国别(地区):
US
年份:
2012
代理人:
摘要：
The present invention relates to polynucleotides and their use in methods of increasing the carotenoid content of seeds. In particular the invention provides a polynucleotide comprising: (a) a region which comprises as operably linked components (i) a promoter which provides for seed preferred expression and (ii) a nucleotide sequence derived from a bacterium which sequence encodes a carotene desaturase and (iii) a transcription termination region and (b) a further region which comprises as operably linked components (i) a promoter which provides for seed preferred expression and (ii) a nucleotide sequence encoding a phytoene synthase which sequence is derived from maize (Zea sp.) or rice (Orzya sp.) and (iii) a transcription termination region. The disclosed polynucleotides are particularly suitable for use in production of rice seed which comprise high amounts of coloured carotenoids.
