METHODS FOR PRODUCING POLYHYDROXYALKANOIC ACID USING ALGINIC ACID AS A CARBON SOURCE

To provide methods for producing polyhydroxyalkanoic acid (PHA) using alginic acid as carbon source, and microorganisms capable of synthesizing PHA using alginic acid as a carbon source.SOLUTION: Disclosed herein a method for producing PHA comprising culturing a microorganism having an alginic acid...

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Bibliographische Detailangaben
Hauptverfasser:	SHIMOII HITOSHI, MORIYA HIROKI, YAMADA MIWA
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BEER BIOCHEMISTRY CHEMISTRY COMPOSITIONS THEREOF CULTURE MEDIA ENZYMOLOGY FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MUTATION OR GENETIC ENGINEERING PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SPIRITS VINEGAR WINE
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Beschreibung
Zusammenfassung:	To provide methods for producing polyhydroxyalkanoic acid (PHA) using alginic acid as carbon source, and microorganisms capable of synthesizing PHA using alginic acid as a carbon source.SOLUTION: Disclosed herein a method for producing PHA comprising culturing a microorganism having an alginic acid assimilation ability and a PHA synthesizing ability in a culture medium containing any one of selected from the group consisting of alginic acid and decomposition products thereof, and extracting PHA from the culture. Also disclosed is a bacterial strain of the genus Cobetia having 16S rRNA gene which comprises: (a) a base sequence represented by a specific sequence number; or (b) a base sequence having 90% or more identity to a base sequence represented by a certain sequence number.SELECTED DRAWING: Figure 5A 【課題】アルギン酸を炭素源とするポリヒドロキシアルカン酸(PHA)の製造方法を提供すること、及びアルギン酸を炭素源としてPHAを合成可能な微生物を提供すること。【解決手段】PHAの製造方法であって、アルギン酸及びアルギン酸分解物からなる群から選択されるいずれかを含む培地中で、アルギン酸資化能及びPHA合成能を有する微生物を培養し、培養物からPHAを抽出することを含む、製造方法。本発明によれば、(ａ)ある特定の配列番号に記載の塩基配列、又は(ｂ)ある特定の配列番号に記載の塩基配列に対して９０％以上の塩基配列同一性を有する塩基配列を含む16S rRNA遺伝子を有する、コベティア属細菌。【選択図】図５Ａ