OTT1578
Applications
Sorghum, Agriculture
Target Problems
This technology tackles the limitations prohibiting widespread application of current hybrid breeding systems.
Key Benefits
- Stable Across Environments: The male sterility system works reliably in different weather conditions, reducing risks from changing weather.
- Less Gene Spread: This system significantly reduces the spread of modified genes through pollen.
- Easier to Identify: It includes a gene that makes plants resistant to certain herbicides, so non-modified plants can be easily removed with herbicide.
- More Hybrid Seeds: This system can boost the production of hybrid seeds by up to 40% since it eliminates the need for manual detasseling, which often reduces seed yield.
Technology
Inventors at University of Wisconsin-Milwaukee have developed a novel three-component genetic construct comprising the capacity to produce pure male sterile plants, rescue the male fertility, ablate transgenic pollen, sort the transgenic seeds from non-transgenic seeds, and allow propagation of pure male sterile sorghum plants for hybrid breeding and maintenance of a maintainer line.
Intellectual Property
PCT-US patent application pending US20210130844A1 Sterile mutant and two-line breeding system
Publications
XIN, et al., “Registration of BTx623ms8, a New and Easily Identifiable Nuclear Male Sterile Mutant in Sorghum,” Plant Registrations, Volume12, Issue2, May 2018, Pages 278-281
XIN, et al., “Morphological Characterization of a New and Easily Recognizable Nuclear Male Sterile Mutant of Sorghum (Sorghum bicolor),” PLoS ONE 12(1): e0165195, 2017
About the Inventor(s)
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