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.

Date of Patent:
Jun. 07, 2022

Filed:

Oct. 15, 2020
Applicant:

Tianjin University of Science and Technology, Tianjin, CN;

Inventors:

Yefu Chen, Tianjin, CN;

Siyao Huang, Tianjin, CN;

Peng Zheng, Tianjin, CN;

Yuanhua Wang, Tianjin, CN;

Jian Guo, Tianjin, CN;

Mengjuan Zhang, Tianjin, CN;

Xuewu Guo, Tianjin, CN;

Dongguang Xiao, Tianjin, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12N 15/80 (2006.01); C12N 9/88 (2006.01); C12N 15/90 (2006.01); C12P 7/6463 (2022.01);
U.S. Cl.
CPC ...
C12N 15/80 (2013.01); C12N 9/88 (2013.01); C12N 15/902 (2013.01); C12P 7/6463 (2013.01);
Abstract

Anrecombinant strain with high-yield heavy oil and a construction method and application thereof are provided. Therecombinant strain is obtained by knocking out a pullulan synthetase PUL gene while overexpressing an ACL gene. The obtainedrecombinant strain can significantly increase the yield of heavy oil. After 7-day fermentation with xylose as carbon source, the yield of the heavy oil of the recombinant strain reaches 19.4372 g/L, while the yield of the heavy oil of the original strain is 10.0325 g/L, i.e. the recombinant strain improves the yield by 93.74% compared with the original strain.


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Chen, Yefu. (2022). Aureobasidium pullulans strains with high-yield heavy oil and construction method and application thereof (U.S. Patent No. 11352633). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11352633

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