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Algae and method for producing same, and method for producing biomass using said algae
US10358666B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10358666-B2 |
| Application number | US-201515314868-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 26, 2015 |
| Priority date | May 29, 2014 |
| Publication date | Jul 23, 2019 |
| Grant date | Jul 23, 2019 |
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- Title
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Abstract
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The present invention provides a method of biomass production using a modified alga having suppressed expression of ATG8.
First claim
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What is claimed is: 1. A method of biomass production, comprising: irradiating with light a modified alga, thereby photoirradiating the modified alga, wherein the modified alga has suppressed intracellular expression of ATG8 as compared to that of a reference strain, wherein the reference strain is an alga otherwise identical to the modified alga but which lacks suppression of intracellular ATG8 expression, and wherein the intracellular ATG8 expression in the modified alga is 0.9 times or less as compared to that of the reference strain cultured under the same conditions; and recovering photosynthate by separating starch granules produced by the modified alga from the modified alga or a lysate thereof. 2. The method according to claim 1 , wherein the modified alga has an increased chloroplastic glutathione concentration as compared to that of the reference strain. 3. The method according to claim 2 , wherein the photoirradiation step is carried out on the modified alga in a culture medium having an inorganic nitrogen content of 0.001% to 0.1% by weight. 4. The method according to claim 3 , wherein the method comprises no cell lysis step to disrupt algal cells.
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Classifications
- C12P19/04Primary
Polysaccharides, i.e. compounds containing more than five saccharide radicals attached to each other by glycosidic bonds · CPC title
Fats; Fatty oils; Ester-type waxes; Higher fatty acids, i.e. having at least seven carbon atoms in an unbroken chain bound to a carboxyl group; Oxidised oils or fats · CPC title
Preparation of compounds or compositions, not provided for in groups C12P3/00 - C12P39/00, by using microorganisms or enzymes · CPC title
Unicellular algae; Culture media therefor (as new plants A01H13/00) · CPC title
Vectors or expression systems specially adapted for eukaryotic hosts · CPC title
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- What does patent US10358666B2 cover?
- The present invention provides a method of biomass production using a modified alga having suppressed expression of ATG8.
- Who is the assignee on this patent?
- Japan Science & Tech Agency
- What technology area does this patent fall under?
- Primary CPC classification C12P19/04. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Jul 23 2019 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).