Development of utilization method for unused biomass using marine lactic acid bacteria

利用海洋乳酸菌开发未利用生物质的利用方法

• 批准号: 21780199
• 负责人: ITOI Shiro
• 金额: $ 2.91万
• 依托单位: Nihon University
• 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 2010
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-21780199/
• 关键词: 生物工学; 海洋細菌; 海洋性乳酸菌; キチンオリゴ糖; Lactococcus lactis subsp. lactis; バイオプラスチック; 乳酸; 未利用バイオマス; Lactococcus lactis subsp.lactis

To utilize effectively chitin and the associated materials which is one of unused biomass, availability of chitin-associated sugars in lactic acid bacteria, Lactococcus lactis, derived from marine fish was compared with those from other sources, such as cheese starter and freshwater fish. As the results, fermentation of chitin oligosaccharides in the strains derived from fish were observed in the media containing GlcNAc-(GlcNAc)_6, whereas those from cheese starter were observed in GlcNAc-(GlcNAc)_3. In addition, ratio of optical isomer in products for L-lactic acid in marine fish derived strain culture was higher than those in other sources. Furthermore, the amount of L-lactic acid in marine strain culture was 3.5-4.4 folds higher than those in other sources.

为了有效利用未利用生物量中的几丁质及其伴生物质，比较了产自海鱼的乳酸菌（乳酸乳球菌）中几丁质伴生糖与产自奶酪发酵剂和淡水鱼的乳酸菌的可利用性。结果表明，鱼源菌株在GlcNAc-(GlcNAc)_6培养基中发酵甲壳素寡糖，奶酪发酵剂在GlcNAc-(GlcNAc)_3培养基中发酵甲壳素寡糖。此外，海鱼源菌株培养l -乳酸产物中光学异构体的比例高于其他来源。海洋菌种培养中l -乳酸的含量是其他来源的3.5 ~ 4.4倍。

项目成果

Culturable bacterial flora in the intestinal tract of Japanese pufferfish Takifugu rubripes.

日本河豚红鳍东方鲀肠道中可培养的细菌菌群。

• 发表时间: 2010
• 期刊: Aquaculture Science 58
• 作者: Sugita;H.;Sugiyama;K.;Itoi;S.
• 通讯作者: S.

Phenotypic variation in Lactococcus lactis subsp.lactis isolates derived from intestinal tracts of marine and freshwater fishes

来自海洋和淡水鱼肠道的乳酸乳球菌乳酸亚种分离物的表型变异

• 发表时间: 2009
• 期刊: Journal of Applied Microbiology 107
• 作者: Shiro Itoi;Kohei Yuasa;Sayaka Washio;Takeshi Abe;Erika Ikuno;Hamo Sugita
• 通讯作者: Hamo Sugita

Characterization of a marine lactic acid bacterium Lactococcus lactis subsp. lactis isolated from the pufferfish.

海洋乳酸菌乳酸乳球菌亚种的表征。

• 发表时间: 2010
• 作者: Itoi;S.;Sugita;H.
• 通讯作者: H.

Culturable bacterial flora in the intestinal tract of Japanese pufferfish Takifugu rubripes

日本河豚红鳍东方鲀肠道可培养细菌菌群

• 发表时间: 2010
• 期刊: Aquaculture Science
• 作者: Sugita;H.;Sugiyama;K.;Itoi;S.
• 通讯作者: S.

Characterization of a marine lactic acid bacterium Lactococcus lactis subsp.lactisisolated from the pufferfish

从河豚中分离的海洋乳酸菌乳酸乳球菌乳亚种的表征

• 发表时间: 2010
• 作者: Itoi;S.;Sugita;H.
• 通讯作者: H.