Design a system of raw material production from condensed tannin by using microbial function and acidic decompose reactions.

设计利用微生物作用和酸性分解反应生产缩合单宁原料的系统。

• 批准号: 21780169
• 负责人: OTSUKA Yuichiro
• 金额: $ 2.66万
• 依托单位: Forestry and Forest Products Research Institute
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Young Scientists (B)
• 财政年份: 2009
• 资助国家: 日本
• 起止时间: 2009 至 2011
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-21780169/
• 关键词: タンニン; 代謝工学; ポリマー原料; 酸分解; バイオマス; Burkholderia; カテキン; 2-ピロン-4,6-ジカルボン酸

Catechin, that is one of the flavonoids, is secondary metabolite of plants, and is major precursor of condensed tannin that was the second most abundant aromatic biomass following lignin. Thus, it is very interested that how decomposed and carbon recycled the catechin, that was produced in large quantities by plants, by soil micro-organisms. In this study, we described that the OX-01 could convert(+)-catechin and(-)-epicatechin to protocatechuic acid via taxifolin. These results suggested that it is possible to design a system of raw material production from condensed tannin by using microbial function and acidic decompose reactions.

儿茶素是植物体内的次生代谢产物，也是缩合单宁的主要前体。缩合单宁是仅次于木质素的第二大芳香生物量。因此，如何分解和碳循环利用由植物、土壤微生物大量产生的儿茶素是人们非常感兴趣的问题。在本研究中，我们描述了OX-01可以通过紫杉酯将(+)-儿茶素和(-)-表儿茶素转化为原儿茶酸。这些结果表明，利用微生物功能和酸解反应设计缩合单宁的原料生产系统是可能的。

项目成果

Burkholderia oxyphila sp. nov., a bacterium isolated from acidic forest soil that catabolizes (+)-catechin and its putative aromatic derivatives

• DOI: 10.1099/ijs.0.017368-0
• 发表时间: 2011-02-01
• 期刊: INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
• 影响因子: 2.8
• 作者: Otsuka, Yuichiro;Muramatsu, Yuki;Murata, Hitoshi
• 通讯作者: Murata, Hitoshi

Burkholderia oxyphila sp.nov., isolated from acidic forest soil that catabolizes (+)-catechin and its putative aromatic derivatives

Burkholderia oxyphila sp.nov.，从酸性森林土壤中分离出来，分解代谢 ( )-儿茶素及其假定的芳香族衍生物

• 发表时间: 2010
• 期刊: (WEB上で発表)International Journal of Systematic and Evolutionary Microbiology
• 作者: Teramoto;Y.;Nishio;Y.;大塚祐一郎
• 通讯作者: 大塚祐一郎

Isolation of novel(+)-catechin degrading bacterium, Burkholderia oxyphila sp. nov. OX-01, from acidic forest soil and its(+)-catechin metabolic pathway

新型儿茶素降解菌 Burkholderia oxyphila sp 的分离。

• 发表时间: 2010
• 作者: Yuichiro Otsuka;Hitoshi Murata;Motoki Matsuda;Tomonori Sonoki;Masaya Nakamura
• 通讯作者: Masaya Nakamura