JP6016895B2 - スクアレンを産生する微細藻類の新規菌株 - Google Patents
スクアレンを産生する微細藻類の新規菌株 Download PDFInfo
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- JP6016895B2 JP6016895B2 JP2014511822A JP2014511822A JP6016895B2 JP 6016895 B2 JP6016895 B2 JP 6016895B2 JP 2014511822 A JP2014511822 A JP 2014511822A JP 2014511822 A JP2014511822 A JP 2014511822A JP 6016895 B2 JP6016895 B2 JP 6016895B2
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- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 230000037353 metabolic pathway Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
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- 150000004702 methyl esters Chemical class 0.000 description 1
- 102000002678 mevalonate kinase Human genes 0.000 description 1
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- 239000007787 solid Substances 0.000 description 1
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- 238000005809 transesterification reaction Methods 0.000 description 1
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Description
− Glaxosmithkline社によって、2009年におけるインフルエンザの流行に対するPandemrixおよびArepanrixワクチンにおいて用いられたAS03アジュバント系の特許取得された構成成分として、
− Novartis社によって用いられたMF59アジュバント系の特許取得された構成成分として、
新興のウイルスH5N1、次いで、2009 H1N1を標的とする特に実験用ワクチン、抗マラリア剤またはインフルエンザワクチンのワクチンアジュバントとして用いられる。
− 宿主細胞と同一のGRAS(一般に安全と認められる(Generally Regarded As Safe))ステータスによる利点を有する、
− 宿主細胞と同様に病原菌、プリオンまたは毒素を含まない、および
− ワクチン分野において既に使用実績がある(B型肝炎抗原を含有するベクターを発現するこれらの酵母など)。
− トラウストキトリド(Thraustochytrid ACEM 6063)(Lewis et al.、Mar.Biotechnol.、2001、439−447を参照のこと)については約0.1mg/バイオマス1g、
− シゾキトリウムマングローヴァイ(Schizochytrium mangrovei)FB1(Jiang et al.、J.Agric.Food Chem.、2004、52、pp.1196−1200を参照のこと)については約0.162mg/バイオマス1g、
− ホンコンマングローブオーランチオキトリウム(Hong Kong mangroves Aurantiochytrium)BR−MP4−A1(Li et al、J.Agric.Food Chem.、2009、57、pp.4267−4272を参照のこと)からの単離物については約0.18mg/バイオマス1g。
1 GAGGGTTTTA CATTGCTCTC aTTCCaATAG CAaGACGCGA AGCGCCCCGC ATTGATATTT
61 CTCGTCACTA CCTCGTGGAG TCCACATTGG GTAATTTACG CGCCTGCTGC CTTCCTTGGA
121 TGTGGTAGCC GTCTCTCAGG CTCCCTCTCC GGAGTCGAGC CCTAACTCCC CGTCACCCGT
181 TATAGTCACC GTAGGCCAAT ACCCTACCGT CGACAACTGA TGGGGCAGAA ACTCAAACGA
241 TTCATCGCTC CGAAAAGCGA TCTGCTCAAT TATCATGACT CACCAAGAGA GTTGGCTTAG
301 ACCTAATAAG TGCGGCCCTC CCCGAAAGTC GGGCCCGTAC AGCACGTATT AATTCCAGAA
361 TTACTGCAGG TATCCGTATA AAGGAACTAC CGAAGGGATT ATAACTGATA TAATGAGCCG
421 TTCGCAGTTT CACAGTATAA TTCGCTTATA CTTACACATG CATGGCTTAG TCTTTGAGA
これは、シゾキトリウム エスピー(Schizochytrium sp.)のタイプの菌株であると同定され得る。
− グルコース、グルタミン酸ナトリウム、イースト菌抽出物および種々の微量元素を含む寒天栄養培地上で維持した菌株から開始し、
− 活性化されたバイオマスを得るために、オービタルシェーカ上のエルレンマイヤーフラスコ中において、pH6、25℃の温度で、前培養物を調製し、
− 前培養において用いられたものと同一の培地を有する他の系列の産生エルレンマイヤーフラスコに、約0.5%(v/v)の前段のステップにおいて得られたバイオマスを接種し、温度を25℃に維持する。
シゾキトリウム エスピー(Schizochytrium sp.)CNCM I−4469菌株の顕著なスクアレン産生能力を実証するために、この菌株を、文献におけるスクアレン産生に係る標準微細藻類菌株(すなわち、シゾキトリウムマングローヴァイ(Schizochytrium mangrovei)菌株(RCC 893、Roscoff Culture Collection、フランス))と比較した。
ここでは、実際の培養/産生フェーズに先だつ事前の前培養フェーズで微細藻類の発酵を行った。
前培養は、2リットルのバッフル付エルレンマイヤーフラスコにおいて実施した。その構成成分を完全に溶解させた後に培地をろ過した。ペトリ皿中で培養した微細藻類のコロニーを採ることにより接種を行った(1つの10μlループの割合で)。インキュベーションを、25℃の温度で、110rpmで振盪しながら(オービタルシェーカで)48時間行った。
バイオマスのビーズによる破壊およびクロロホルム/メタノールでの冷抽出後に、分析を25℃でプロトンNMRにより実施した。定量化は、以下に記載のとおり内標準により実施した。
ここで、
As:1.55ppmでのスクアレンシグナルの面積。
PTPP:積分したTPP未解像ピークのプロトンの数:9
WTPP:計量したTPPの重量(グラム)
MTPP:モル質量(グラム/TPP1モル)(MTPP=326g/mol)
MS:モル質量(グラム/スクアレン1モル)(MS=410g/mol)
PE:新鮮なバイオマスの重量(グラム)
この菌株の脂質プロファイル(表IVを参照のこと)では、ドコサヘキサエン酸(すなわちDHA)を含む他の対象脂質化合物の産生も可能とされることが判定可能であった。前記プロファイルは、発酵後に得たバイオマスから抽出した原油で生成した。
脂肪酸を、メタノール塩酸混液とのエステル交換およびクロロホルムでの抽出後に、メチルエステルの形態でガスクロマトグラフィにより測定した。結果を%分布として表記する;分析は内標準方法により行う。
Claims (9)
- 2011年4月14日に、CNCMに番号I−4469で寄託されたシゾキトリウム エスピー(Schizochytrium sp.)の菌株。
- 請求項1に記載の菌株を培養するステップ、および、対象脂質化合物富化バイオマスを回収するステップを含む対象脂質化合物を含む組成物の産生方法。
- さらに、前記脂質化合物を含む組成物を収集するステップを含む、請求項2に記載の方法。
- 前記対象脂質化合物が、スクアレンまたはドコサヘキサエン酸(すなわちDHA)である、請求項2または3に記載の方法。
- スクアレンまたはドコサヘキサエン酸(すなわちDHA)を含む対象脂質化合物を含む組成物を産生するための請求項1に記載の菌株の使用。
- 医学分野、化粧品分野および食品分野向けの組成物の調製における、請求項2または3に記載の方法によって産生されたスクアレンまたはドコサヘキサエン酸(すなわちDHA)を含む前記対象脂質化合物を含む組成物の使用。
- スクアレンもしくはドコサヘキサエン酸(すなわちDHA)を含む、請求項1に記載の菌株またはその細胞抽出物もしくは画分を含む産生物もしくは組成物。
- スクアレンを含むことを特徴とする、請求項7に記載の産生物または組成物。
- 食品製品または栄養補助食品製品であることを特徴とする、請求項7または8に記載の産生物または組成物。
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CN201110147066.X | 2011-05-20 | ||
PCT/EP2012/059231 WO2012159980A1 (fr) | 2011-05-20 | 2012-05-18 | Nouvelle souche de microalgue productrice de squalene |
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EP2650356B1 (en) * | 2010-12-09 | 2019-06-19 | University of Tsukuba | Aurantiochytrium strains having high squalene-producing ability, and method for producing squalene thereof |
CN102787140A (zh) | 2011-05-20 | 2012-11-21 | 罗盖特兄弟公司 | 从微藻制备与提取角鲨烯的工艺方法 |
FR3006328B1 (fr) | 2013-06-04 | 2015-06-05 | Saeml Valagro Carbone Renouvelable Poitou Charentes | Procedes d'extraction selective des insaponifiables de matieres premieres renouvelables par extraction liquide-liquide en presence d'un cosolvant |
FR3006329B1 (fr) | 2013-06-04 | 2015-06-05 | Saeml Valagro Carbone Renouvelable Poitou Charentes | Procedes d'extraction selective des insaponifiables de matieres premieres renouvelables par extraction solide-liquide en presence d'un cosolvant |
FR3006327B1 (fr) | 2013-06-04 | 2015-06-05 | Saeml Valagro Carbone Renouvelable Poitou Charentes | Procedes d'extraction selective des insaponifiables de matieres premieres renouvelables par trituration reactive en presence d'un cosolvant |
CN103266137B (zh) * | 2013-06-14 | 2014-09-17 | 青岛蔚蓝生物集团有限公司 | 一种角鲨烯的生产方法 |
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CN103981106B (zh) * | 2014-06-03 | 2016-08-24 | 上海来益生物药物研究开发中心有限责任公司 | Dha高产菌株及其应用 |
CN104212847A (zh) * | 2014-09-04 | 2014-12-17 | 李健 | 一种海洋微藻培养制备epa的方法 |
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CN113604512B (zh) * | 2021-08-30 | 2023-09-19 | 汕头市奇伟实业有限公司 | 一种从裂殖壶菌中提取角鲨烯的方法及角鲨烯在保湿抗衰老化妆品中的应用 |
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GB0519334D0 (en) | 2005-09-22 | 2005-11-02 | Unichema Chemie Bv | Method and composition for treating skin |
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KR20080087820A (ko) * | 2008-07-11 | 2008-10-01 | 아베스타겐 리미티드 | 도코사헥사엔산〔dha〕을 생산하는 트라우스토키트리드균주-sc1 |
PT2268823E (pt) | 2008-08-28 | 2011-09-01 | Novartis Ag | Produção de esqualeno a partir de leveduras hiperprodutoras |
CN101575584B (zh) * | 2009-06-18 | 2010-12-01 | 南京工业大学 | 一种裂殖弧菌及利用其生产dha油脂的方法 |
EP2650356B1 (en) | 2010-12-09 | 2019-06-19 | University of Tsukuba | Aurantiochytrium strains having high squalene-producing ability, and method for producing squalene thereof |
CN102787140A (zh) | 2011-05-20 | 2012-11-21 | 罗盖特兄弟公司 | 从微藻制备与提取角鲨烯的工艺方法 |
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