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Title:
ELECTRON CARRIER, METHOD FOR PRODUCING ELECTRON CARRIER AND ELECTRON TRANSFER METHOD
Document Type and Number:
WIPO Patent Application WO/2022/186218
Kind Code:
A1
Abstract:
This electron carrier (30) comprises a modified cyanobacterium (31) that has at least one modification selected from (i) suppression of the total amount of a protein involved in bonding of the outer membrane (5) and cell wall (4) in the cyanobacterium to from 30% to 70% of the total amount of that protein in the parent strain and (ii) expression of an organic substance channel protein (18) which improves the protein permeability of the outer membrane (5), in which the modified cyanobacterium (31) supplies electrons to the outside and/or takes up electrons from the outside.

Inventors:
KOJIMA SEIJI
KUSAMA SHOKO
Application Number:
PCT/JP2022/008660
Publication Date:
September 09, 2022
Filing Date:
March 01, 2022
Export Citation:
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Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
C12N1/13; C12N1/21; C12N15/31; C12N15/54; H01M8/16; H01M14/00; C12N15/09
Domestic Patent References:
WO2021100643A12021-05-27
Other References:
KOJIMA SEIJI, OKUMURA YASUAKI: "Outer membrane-deprived cyanobacteria liberate periplasmic and thylakoid luminal components that support the growth of heterotrophs", BIORXIV, 25 March 2020 (2020-03-25), pages 1 - 31, XP055825843, DOI: 10.1101/2020.03.24.006684
KOWATA HIKARU: "Studies on molecular basis of cyanobacterial outer membrane function and its evolutionary relationship with primitive chloroplasts", THESIS, 27 March 2018 (2018-03-27), Tohoku University , pages 1 - 12, XP055825637
KOJIMA, SEIJI: "Elucidation and application of bacteria-derived membrane stabilization mechanism and substance permeation mechanism that function in chloroplast surface membrane", GRANT-IN-AID FOR SCIENTIFIC RESEARCH, 23 April 2018 (2018-04-23), pages 1 - 2, XP009539434
KOJIMA SEIJI, MURAMOTO KOJI, KUSANO TOMONOBU: "Outer Membrane Proteins Derived from Non-cyanobacterial Lineage Cover the Peptidoglycan of Cyanophora paradoxa Cyanelles and Serve as a Cyanelle Diffusion Channel", JOURNAL OF BIOLOGICAL CHEMISTRY, vol. 291, no. 38, 29 June 2016 (2016-06-29), US , pages 20198 - 20209, XP055825633, ISSN: 0021-9258, DOI: 10.1074/jbc.M116.746131
NARENDRAN SEKAR; RACHIT JAIN; YAJUN YAN; RAMARAJA P. RAMASAMY: "Enhanced photo‐bioelectrochemical energy conversion by genetically engineered cyanobacteria", BIOTECHNOLOGY AND BIOENGINEERING, vol. 113, no. 3, 18 September 2015 (2015-09-18), Hoboken, USA, pages 675 - 679, XP071052497, ISSN: 0006-3592, DOI: 10.1002/bit.25829
Attorney, Agent or Firm:
NII, Hiromori et al. (JP)
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