Abstract: A shaft seal device according to at least one embodiment of the present disclosure includes: a plurality of thin plates arranged in a circumferential direction of a rotational shaft and each having a width in an axial direction of the rotational shaft and a seal ring including a seal mounting groove for mounting the plurality of thin plates. An inner wall of the seal mounting groove on one side in the axial direction has a groove formed along the circumferential direction, in an inner region in a radial direction of the rotational shaft.

Abstract: A method of improving photosynthetic ability of an alga, containing enhancing expression of a transketolase and a fructose-1,6-bisphosphate aldolase.

Abstract: A method of producing lipids, containing the steps of: culturing a transformant into which a gene encoding at least one of the proteins selected from the group consisting of the following proteins (A) to (C) is introduced; and producing fatty acids or lipids containing the same as components: (A) A protein consisting of the amino acid sequence of the 23rd to 146th amino acids set forth in SEQ ID NO: 1; (B) A protein consisting of an amino acid sequence having 70% or more identity with the amino acid sequence of the protein (A), and having acyl carrier protein activity; and (C) A protein containing the amino acid sequence of the protein (A) or (B), and having acyl carrier protein activity.

Abstract: A method of producing lipids, containing the steps of: culturing an alga in which expression of a gene encoding a protein containing a thioredoxin domain and a thioredoxin reductase domain is enhanced, and producing fatty acids or lipids containing the same as components.

Abstract: A method of improving photosynthetic ability of an alga, containing enhancing expression of a transketolase and a fructose-1,6-bisphosphate aldolase.

Abstract: A method of producing lipids, containing the steps of: culturing a transformant into which a gene encoding at least one of the proteins selected from the group consisting of the following proteins (A) to (C) is introduced; and producing fatty acids or lipids containing the same as components: (A) A protein consisting of the amino acid sequence of the 23rd to 146th amino acids set forth in SEQ ID NO: 1; (B) A protein consisting of an amino acid sequence having 70% or more identity with the amino acid sequence of the protein (A), and having acyl carrier protein activity; and (C) A protein containing the amino acid sequence of the protein (A) or (B), and having acyl carrier protein activity.

Abstract: A method of producing lipids, containing the steps of: culturing an alga belonging to the genus Nannochloropsis; and producing fatty acids or lipids containing the same as components; wherein expressions of genes encoding a ?12-desaturase and a ?6-desaturase are enhanced in the alga; and a transformant of an alga belonging to the genus Nannochloropsis, wherein expressions of genes encoding a ?12-desaturease and a ?6-desaturease are enhanced.

Abstract: A method of producing lipids, comprising the steps of: culturing a transformant in which the expression of a gene encoding at least any one of the following proteins (A) to (D) is enhanced in a cyanobacteria cell, and producing fatty acids or lipids containing these fatty acids as components. (A) a protein consisting of the amino acid sequence set forth in SEQ ID NO: 1; (B) a protein consisting of an amino acid sequence having 60% or more identity with the amino acid sequence of the protein (A), and having ?-ketoacyl-ACP synthase activity; (C) a protein consisting of the amino acid sequence set forth in SEQ ID NO: 44; and (D) a protein consisting of an amino acid sequence having 60% or more identity with the amino acid sequence of the protein (C), and having ?-ketoacyl-ACP synthase activity.

Abstract: A method of improving resistance to a substrate analog of nitric acid in a microalga, containing deleting a gene encoding the following protein (A) or (B) present in the genome of the microalga, or downregulating expression of a gene encoding the following protein (A) or (B): (A) a protein consisting of the amino acid sequence set forth in SEQ ID NO: 41; and (B) a protein consisting of an amino acid sequence having 70% or more identity with the amino acid sequence of the protein (A), and having nitrate transporter activity.

Abstract: A method of producing a long-chain fatty alcohol, containing culturing a microorganism wherein expression of a gene encoding a 3-ketoacyl-ACP synthase and expression of a gene encoding a fatty acyl-CoA reductase are enhanced; a method of providing ability to produce a long-chain fatty alcohol for a microorganism wherein expression of a gene encoding a 3-ketoacyl-ACP synthase and expression of a gene encoding a fatty acyl-CoA reductase are enhanced in a microorganism cell; and a transformant of a microorganism in which expression of a gene encoding a ?-ketoacyl-ACP synthase and expression of a gene encoding a fatty acyl-CoA reductase are enhanced.

Abstract: An acyl-ACP thioesterase consisting of an amino acid sequence of the 115th to 274th amino acids set forth in SEQ ID NO: 1; an acyl-ACP thioesterase gene encoding the protein; a transformant having the gene; and a method of producing a lipid using the transformant.

Abstract: Provided is a method of producing a lipid, the method comprising the steps of: introducing a gene encoding an acyl-ACP thioesterase into a host, and thereby obtaining a transformant, and culturing the transformant, to produce the lipid.

Abstract: A method of producing lipids, comprising the steps of: culturing a transformant in which the expression of a gene encoding at least any one of the following proteins (A) to (D) is enhanced in a cyanobacteria cell, and producing fatty acids or lipids containing these fatty acids as components. (A) a protein consisting of the amino acid sequence set forth in SEQ ID NO: 1; (B) a protein consisting of an amino acid sequence having 60% or more identity with the amino acid sequence of the protein (A), and having ?-ketoacyl-ACP synthase activity; (C) a protein consisting of the amino acid sequence set forth in SEQ ID NO: 44; and (D) a protein consisting of an amino acid sequence having 60% or more identity with the amino acid sequence of the protein (C), and having ?-ketoacyl-ACP synthase activity.

Abstract: A method of producing a long-chain fatty alcohol, containing culturing a microorganism wherein expression of a gene encoding a 3-ketoacyl-ACP synthase and expression of a gene encoding a fatty acyl-CoA reductase are enhanced; a method of providing ability to produce a long-chain fatty alcohol for a microorganism wherein expression of a gene encoding a 3-ketoacyl-ACP synthase and expression of a gene encoding a fatty acyl-CoA reductase are enhanced in a microorganism cell; and a transformant of a microorganism in which expression of a gene encoding a ?-ketoacyl-ACP synthase and expression of a gene encoding a fatty acyl-CoA reductase are enhanced.

Abstract: A method of producing lipids, containing the steps of: culturing a transformant in which the expression of a gene encoding the following protein (A) or (B) is enhanced, and producing long-chain fatty acids or the lipids containing these fatty acids as components, wherein: protein (A) is a protein consisting of the amino acid sequence set forth in SEQ ID NO: 1; and protein (B) is a protein consisting of an amino acid sequence having 70% or more identity with the amino acid sequence of the protein (A), and having ?-ketoacyl-ACP synthase activity.

Abstract: A method of producing lipids, containing the steps of: culturing an alga belonging to the genus Nannochloropsis; and producing fatty acids or lipids containing the same as components; wherein expressions of genes encoding a ?12-desaturase and a ?6-desaturase are enhanced in the alga; and a transformant of an alga belonging to the genus Nannochloropsis, wherein expressions of genes encoding a ?12-desaturease and a ?6-desaturease are enhanced.

Abstract: [Problems] To provide a method of producing a lipid, containing enhancing productivity of medium chain fatty acids or the lipid containing these medium chain fatty acids as components. [Means to solve] A method of producing a lipid, containing the steps of: culturing a transformant in which a gene encoding any one of the following proteins (A) to (C) is introduced into a host, and collecting a lipid from the cultured product: (A) a protein consisting of the amino acid sequence of the 91st to 348th positions set forth in SEQ ID NO: 1; (B) a protein consisting of an amino acid sequence having 80% or more identity with the amino acid sequence of the 91st to 348th positions set forth in SEQ ID NO: 1, and having acyl-ACP thioesterase activity; and (C) a protein containing the amino acid sequence of the protein (A) or (B), and having acyl-ACP thioesterase activity.

Abstract: A method of producing lipids, containing the steps of: culturing a transformant in which the expression of a gene encoding the following protein (A) or (B) is enhanced, and producing long-chain fatty acids or the lipids containing these fatty acids as components, wherein: protein (A) is a protein consisting of the amino acid sequence set forth in SEQ ID NO: 1; and protein (B) is a protein consisting of an amino acid sequence having 70% or more identity with the amino acid sequence of the protein (A), and having ?-ketoacyl-ACP synthase activity.

Abstract: An acyl-ACP thioesterase consisting of an amino acid sequence of the 115th to 274th amino acids set forth in SEQ ID NO: 1; an acyl-ACP thioesterase gene encoding the protein; a transformant having the gene; and a method of producing a lipid using the transformant.

Abstract: An acyl-ACP thioesterase consisting of an amino acid sequence of the 115th to 274th amino acids set forth in SEQ ID NO: 1; an acyl-ACP thioesterase gene encoding the protein; a transformant having the gene; and a method of producing a lipid using the transformant.