The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 28, 2025
Filed:
Aug. 19, 2021
Kt&g Corporation, Daejeon, KR;
Hyo Seok Seo, Sejong, KR;
Young Gi Lee, Daejeon, KR;
Jeong Heon Lee, Daejeon, KR;
Kwang Chul Kim, Daejeon, KR;
Woong Hyun Na, Daejeon, KR;
Kyoung Hwan Oh, Cheongju-si, KR;
Eun Young Jeon, Sejong, KR;
KT&G CORPORATION, Daejeon, KR;
Abstract
Provided are: a plant cell, in which expression or activity of a phytochelatin synthase (PCS) gene or a protein encoded by the PCS gene is reduced as compared with a parent cell; a plant having that has reduced heavy metal absorption, and includes the plant cell; a method of reducing heavy metals in a plant, the method including reducing expression or activity of a PCS gene or a protein encoded by the PCS gene, as compared with a parent cell; a CRISPR-Cas9 recombinant vector including a single guide RNA targeting a PCS gene; and a method of preparing a plant with reduced heavy metals, the method including transforming a plant cell with the recombinant vector.