Mutation site of ideal brittle culm mutant ibc in rice, controlling gene IBC, and use thereof
US12098432B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | May 16, 2022 |
| Grant date | Sep 24, 2024 |
| Priority date | — |
| Expiry date | May 16, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12Q2600/13
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A mutation site of an ideal brittle culm mutant ibc in rice, a controlling gene IBC, and use thereof are provided. The controlling gene IBC has: (1) a nucleotide sequence shown in SEQ ID NO: 1 or SEQ ID NO: 2; or (2) a nucleotide sequence of a mutant, an allele, or a derivative generated by adding, substituting, inserting or deleting one or more nucleotides. The present disclosure further provides an encoded protein of the controlling gene IBC, a recombinant construct, a recombinant host cell, a method for embrittling culms in a rice ripening stage by using the controlling gene IBC, and use thereof. In a mutant with allelic variation in the gene IBC and loss of gene editing function, culms exhibit a brittle culm phenotype at the late ripening stage, leaves are not brittle, yield traits are excellent, and other agronomic traits are not obviously changed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.