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Title:
METHOD FOR PRODUCING TEMPERATURE-SENSITIVE MALE STERILE PLANT
Document Type and Number:
WIPO Patent Application WO/2021/193865
Kind Code:
A1
Abstract:
The entire genomes of "PL12" and the original variety thereof were sequenced and compared in order to identify the responsible gene involved in a temperature-sensitive male sterility trait in "PL12" and to provide a method for producing a conditional male sterile plant targeting the gene. As a result, it was found that there was approximately 150 kb of deletion in the seventh chromosome of "PL12". Regarding this region, six types of partial deletion lines were produced by genome editing, and the range in which the responsible mutation was present was successfully narrowed to approximately 10 kb with the presence or absence of a temperature-sensitive male sterility trait in each of the lines as an indicator. Further, as a result of producing a line in which the functions of two genes located in this region were disrupted by genome editing, it was possible to identify the responsible gene involved in the temperature-sensitive male sterility trait. It was also confirmed that the function of the gene was inhibited, and the trait was able to be imparted to Arabidopsis thaliana and tomato as well as rice.

Inventors:
KAWAGISHI MAKIKO (JP)
SASAKI KENTARO (JP)
NUNOME TSUKASA (JP)
Application Number:
PCT/JP2021/012709
Publication Date:
September 30, 2021
Filing Date:
March 25, 2021
Export Citation:
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Assignee:
NAT AGRICULTURE & FOOD RES ORG (JP)
International Classes:
A01H1/00; A01H1/02; A01H5/10; C12N15/29
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WO2013176772A12013-11-28
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See also references of EP 4129050A4
Attorney, Agent or Firm:
CENTCREST IP ATTORNEYS (JP)
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