Isolation of xylose-utilizing lactic acid bacteria from Ariake Sea - Note

Genta Kobayashi, Hiroyoshi Oka, Yukihiro Tashiro, Fumio Kato, Kohzo Kanda, Nobuyuki Hayashi

研究成果: Contribution to journalArticle査読

抄録

A screening test was carried out to obtain lactic acid bacteria utilizing xylose from bottom sediments in Ariake Sea as sources. About 100 xylose-utilizing bacterial isolates as acid producer were obtained from several sources. More than 50 isolates were catalase-negative and eight isolates produced more than 8 g/l lactic acid in MRS medium containing xylose at 20 g/l. The OTK-1 strain, which produced a high concentration of lactic acid (more than 12 g/l) was isolated from tideland in Ariake Sea. The OTK-1 strain was rod-shaped, as observed under a microscope. This strain was designated as Lactobacillus brevis OTK-1 on the basis of 16S rDNA sequence analysis. The maximum yield of produced lactic acid with respect to utilized xylose, and the lactic acid productivity were 1.15 mol/mol and 1.0 g/l/h, respectively. This strain was able to utilize xylooligosaccharide as a fermentative substrate.

本文言語英語
ページ(範囲)217-220
ページ数4
ジャーナルSeibutsu-kogaku Kaishi
86
5
出版ステータス出版済み - 7 8 2008
外部発表はい

All Science Journal Classification (ASJC) codes

  • バイオテクノロジー
  • 食品科学
  • 応用微生物学とバイオテクノロジー

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