Abstract: The present disclosure relates to the transformed Synechococcus elongatus strain of capable of mass production of farnesene. The transformed Synechococcus elongatus strain of the present disclosure is characterized by having the ability to mass produce farnesene using carbon dioxide as an independent carbon source. In particular, the Synechococcus elongatus strain is economically effective because it uses carbon dioxide present in light and air as a carbon source. There is an eco-friendly effect since it can be used for eliminating or reducing carbon dioxide in the atmosphere using microorganisms. Further, the strain of the present disclosure has a rapid growth rate and excellent ability to fix carbon dioxide compared with other microorganisms, thereby being utilized in various fields such as food, medicine, pharmacy, biofuel, and chemistry.

Abstract: The present disclosure relates to the transformed Synechococcus elongatus strain of capable of mass production of farnesene. The transformed Synechococcus elongatus strain of the present disclosure is characterized by having the ability to mass produce farnesene using carbon dioxide as an independent carbon source. In particular, the Synechococcus elongatus strain is economically effective because it uses carbon dioxide present in light and air as a carbon source. There is an eco-friendly effect since it can be used for eliminating or reducing carbon dioxide in the atmosphere using microorganisms. Further, the strain of the present disclosure has a rapid growth rate and excellent ability to fix carbon dioxide compared with other microorganisms, thereby being utilized in various fields such as food, medicine, pharmacy, biofuel, and chemistry.

Abstract: The present specification discloses a transformed Synechococcus elongatus strain which may directly produce squalene from carbon dioxide, and a method for producing squalene and a method for removing carbon dioxide, using the same. In an aspect, the strain may produce squalene using carbon dioxide as a carbon source. The Synechococcus elongatus strain is economically efficient because a high-value added squalene is produced using light and carbon dioxide present in the atmosphere as a carbon source, and the method for producing squalene is eco-friendly because the strain may be utilized to remove or reduce carbon dioxide in the atmosphere by using microorganisms. The strain of the present disclosure may produce only squalene, which is a desired target material with high purity, and has an advantage in that squalene may be continuously mass-produced.

Abstract: The present disclosure relates to a hydrolysate of a mixture of lignocellulosic biomass and seaweed biomass. By mixing seaweed biomass with lignocellulosic biomass and then preparing a hydrolysate, lignocellulosic biomass-derived acetic acid is consumed together with seaweed biomass-derived mannitol. As a result, high sugar productivity can be maintained while reducing fermentation inhibitors. Because the present disclosure can solve the problem of lignocellulosic biomass of decreased fermentation efficiency due to lignocellulose-derived fermentation inhibitors and the problem of seaweed biomass of very low productivity in spite of long fermentation time, the hydrolysate according to the present disclosure may be used to produce biofuels and biochemicals economically.

Abstract: The present disclosure discloses a transformed Synechococcus elongatus strain capable of producing biodiesel directly from carbon dioxide and a method for producing biodiesel and a method for removing carbon dioxide using the same. In an aspect, the transformed Synechococcus elongatus strain of the present disclosure can produce biodiesel in large scale using carbon dioxide as a carbon source. The Synechococcus elongatus strain is environment-friendly because it can be used to remove or reduce carbon dioxide in the atmosphere. The strain of the present disclosure is advantageous in that it can produce biodiesel in large scale because it grows faster and exhibits excellent carbon dioxide fixation capability as compared to other photosynthetic microorganisms.

Abstract: The present specification discloses a transformed Synechococcus elongatus strain which may directly produce squalene from carbon dioxide, and a method for producing squalene and a method for removing carbon dioxide, using the same. In an aspect, the strain may produce squalene using carbon dioxide as a carbon source. The Synechococcus elongatus strain is economically efficient because a high-value added squalene is produced using light and carbon dioxide present in the atmosphere as a carbon source, and the method for producing squalene is eco-friendly because the strain may be utilized to remove or reduce carbon dioxide in the atmosphere by using microorganisms. The strain of the present disclosure may produce only squalene, which is a desired target material with high purity, and has an advantage in that squalene may be continuously mass-produced.

Abstract: The present disclosure discloses a vector that can be used for both cyanobacteria and E. coli, which contains, sequentially, a pUC replication origin as a replication origin; a spectinomycin-resistant gene as a selection marker; and a promoter selected from a group consisting of a trc promoter, a tetA promoter or a modified tetA promoter, a BAD promoter and a cbbL promoter. An industrially useful substance may be produced effectively using a host cell transformed with the vector. Also, the vector may be used to insert a variety of target genes through simple combination and, as a result, various vectors can be prepared effectively.

Abstract: Disclosed herein are an expression vector capable of expressing myrcene, an Escherichia coli strain transformed with the vector and having improved capability of producing myrcene and a method for producing myrcene and a method for recycling glycerol using the same. In an aspect, the transformed Escherichia coli strain of the present disclosure can produce myrcene with high purity on a large scale using glycerol or glucose as a carbon source. Also, the Escherichia coli strain of the present disclosure is economical and environment-friendly because it can produce high value-added myrcene using waste glycerol as a carbon source. In addition, the strongly volatile myrcene can be produced and isolated at the same time.

Abstract: Disclosed herein are a transformed Synechococcus elongatus strain having improved capability of producing acetone and a method for producing acetone and a method for removing carbon dioxide using the same. In an aspect, the transformed Synechococcus elongatus strain of the present disclosure can produce acetone with high selectivity using carbon dioxide as a carbon source. The present disclosure is economical because the Synechococcus elongatus strain can economically produce high value-added acetone using carbon dioxide existing in the atmosphere as a carbon source without requiring an additional catalytic reaction. Also, the present disclosure is environment-friendly because carbon dioxide in the atmosphere can be removed or reduced using the microorganism.

Abstract: The present disclosure discloses a transformed Synechococcus elongatus strain capable of producing biodiesel directly from carbon dioxide and a method for producing biodiesel and a method for removing carbon dioxide using the same. In an aspect, the transformed Synechococcus elongatus strain of the present disclosure can produce biodiesel in large scale using carbon dioxide as a carbon source. The Synechococcus elongatus strain is environment-friendly because it can be used to remove or reduce carbon dioxide in the atmosphere. The strain of the present disclosure is advantageous in that it can produce biodiesel in large scale because it grows faster and exhibits excellent carbon dioxide fixation capability as compared to other photosynthetic microorganisms.

Abstract: The present disclosure relates to a novel strain capable of saccharifying and fermenting biomass-derived cellulose and a recombinant strain thereof with improved biomass saccharification capability. The present disclosure also relates to a method for producing a material useful as a bioenergy source material such as ethanol, acetic acid, formic acid, etc. using the strain or the recombinant strain. The strain or the recombinant strain may be usefully used in bioenergy industry.

Abstract: Disclosed herein are an expression vector capable of expressing myrcene, an Escherichia coli strain transformed with the vector and having improved capability of producing myrcene and a method for producing myrcene and a method for recycling glycerol using the same. In an aspect, the transformed Escherichia coli strain of the present disclosure can produce myrcene with high purity on a large scale using glycerol or glucose as a carbon source. Also, the Escherichia coli strain of the present disclosure is economical and environment-friendly because it can produce high value-added myrcene using waste glycerol as a carbon source. In addition, the strongly volatile myrcene can be produced and isolated at the same time.

Abstract: The present disclosure relates to a hydrolysate of a mixture of lignocellulosic biomass and seaweed biomass. By mixing seaweed biomass with lignocellulosic biomass and then preparing a hydrolysate, lignocellulosic biomass-derived acetic acid is consumed together with seaweed biomass-derived mannitol. As a result, high sugar productivity can be maintained while reducing fermentation inhibitors. Because the present disclosure can solve the problem of lignocellulosic biomass of decreased fermentation efficiency due to lignocellulose-derived fermentation inhibitors and the problem of seaweed biomass of very low productivity in spite of long fermentation time, the hydrolysate according to the present disclosure may be used to produce biofuels and biochemicals economically.

Abstract: The present disclosure relates to a novel strain capable of saccharifying and fermenting biomass-derived cellulose and a recombinant strain thereof with improved biomass saccharification capability. The present disclosure also relates to a method for producing a material useful as a bioenergy source material such as ethanol, acetic acid, formic acid, etc. using the strain or the recombinant strain. The strain or the recombinant strain may be usefully used in bioenergy industry.

Abstract: Disclosed is a shuttle vector that can be used for Corynebacterium and E. coli, containing: a repressor selected from a group consisting of a lacI repressor and a tetR repressor; a promoter selected from a group consisting of a trc promoter, a tetA promoter and a LacUV5 promoter; a replication origin pBL1 derived from Corynebacterium glutamicum; and a replication origin ColE1 of E. coli. A host cell transformed with the shuttle vector can effectively produce industrially useful substances. Also, the shuttle vector may be used to easily insert various combinations of target genes and, as a result, a variety of vectors can be prepared effectively.

Abstract: Disclosed herein are a transformed Synechococcus elongatus strain having improved capability of producing acetone and a method for producing acetone and a method for removing carbon dioxide using the same. In an aspect, the transformed Synechococcus elongatus strain of the present disclosure can produce acetone with high selectivity using carbon dioxide as a carbon source. The present disclosure is economical because the Synechococcus elongatus strain can economically produce high value-added acetone using carbon dioxide existing in the atmosphere as a carbon source without requiring an additional catalytic reaction. Also, the present disclosure is environment-friendly because carbon dioxide in the atmosphere can be removed or reduced using the microorganism.

Abstract: The present disclosure discloses a vector that can be used for both cyanobacteria and E. coli, which contains, sequentially, a pUC replication origin as a replication origin; a spectinomycin-resistant gene as a selection marker; and a promoter selected from a group consisting of a trc promoter, a tetA promoter or a modified tetA promoter, a BAD promoter and a cbbL promoter. An industrially useful substance may be produced effectively using a host cell transformed with the vector. Also, the vector may be used to insert a variety of target genes through simple combination and, as a result, various vectors can be prepared effectively.

Abstract: A method for isolating a highly furfural-resistant strain is disclosed. The method includes (A) mixing soil with an isotonic solution and collecting the soil supernatant from the mixture, (B) diluting the soil supernatant and spreading the dilution on a medium supplemented with carboxymethyl cellulose as a nutrient source, and (C) growing a desired strain by culture in the medium spread with the diluted soil supernatant and isolating the strain. Also disclosed is a strain isolated by the method. The strain is Enterobacter cloacae strain GGT036 [Accession No. KCTC 12672BP].

Abstract: The present disclosure relates to a method for simultaneously degrading lignin and cellulose and for boosting effect on the cellulase activity using a specific catalyst. Since the present disclosure allows for the preparation of sugars by degrading not only lignin but also cellulose and hemicellulose using the enzymes which were previously known only as lignin-degrading biocatalysts, it provides the advantage that the preparation of a hydrolysate as a source material for the production of biofuels or biochemicals from lignocellulosic biomass can be simplified and facilitated. As a result, the present disclosure can reduce enzyme cost and can provide improved production efficiency by simplifying the biofuel production process.

Abstract: Disclosed is a shuttle vector that can be used for Corynebacterium and E. coli, containing: a repressor selected from a group consisting of a lacI repressor and a tetR repressor; a promoter selected from a group consisting of a trc promoter, a tetA promoter and a LacUV5 promoter; a replication origin pBL1 derived from Corynebacterium glutamicum; and a replication origin ColE1 of E. coli. A host cell transformed with the shuttle vector can effectively produce industrially useful substances. Also, the shuttle vector may be used to easily insert various combinations of target genes and, as a result, a variety of vectors can be prepared effectively.