【原著論文】
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Sasaki, Y., Komeno, M., Ishiwata, A., Horigome, A., Odamaki, T., Xiao, J-Z., Tanaka, K., Ito, Y., Kitahara, K., Ashida, H., and Fujita, K.: Mechanism of cooperative
degradation of gum arabic arabinogalactan protein by Bifidobacterium longum surface enzymes. Appl.
Environ. Microbiol., 88 (6), e02187-21 (2022).
doi:10.1128/aem.02187-21 AEM
詳細は鹿児島大学研究トピックをご覧ください。
- 口腔内から単離されたビフィズス菌であるBifidobacterium dentiumから、DFA Iのα-フルクトフラノシド結合を加水分解してイヌロビオースという二糖を生じる酵素「DFA
Iシンターゼ/ヒドロラーゼ」を発見しました。酵素の配列新規性が認められた結果、糖質分解酵素ファミリー172とEC4.2.1.179が新設されました。Kashima, T., Okumura, K., Ishiwata, A., Kaieda, M., Terada, T., Arakawa, T., Yamada, C., Shimizu, K.,
Tanaka, K., Kitaoka, M., Ito, Y., Fujita, K., and Fushinobu, S.: Identification of a difructose dianhydride I synthase/hydrolase from oral bacterium establishes a novel
glycoside hydrolase family. J. Biol. Chem., 297, 101324 (2021).
doi: 10.1016/j.jbc.2021.101324 JBC GH172 EC4.2.1.179
詳細は鹿児島大学研究トピックと東京大学研究トピックスをご覧ください。
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Sasaki, Y., Horigome, A., Odamaki, T., Xiao, J-Z., Ishiwata, A., Ito, Y., Kitahara, K., and Fujita, K.: Novel
3-O-α-D-galactosyl-α-L-arabinofuranosidase for the assimilation of gum arabic arabinogalactan protein in Bifidobacterium
longum subsp. longum. (アラビアガム由来のアラビノガラクタン・プロテインの資化性のために必要なBifidobacterium longum subsp.
longumの新規糖質分解酵素3-O-α-D-galactosyl-α-L-arabinofuranosidase) Appl. Environ. Microbiol., 87 (10), e02690-20 (2021). doi:10.1128/AEM.02690-20 AEM EC 3.2.1.215 GH39
鹿児島大学HPに掲載されました。鹿児島大学
森永乳業(株)でのニュースリリース 森永乳業(株)
- Sasaki, Y., Uchimura, Y., Kitahara, K., and Fujita, K.: Characterization of a GH36 α-D-galactosidase associated with assimilation of
gum arabic in Bifidobacterium longum subsp. longum JCM7052. J. Appl. Glycosci., 68, 47-52 (2021).B. longum
JCM7052株のGAfaseによって遊離された二糖を分解するα-D-galactosidaseの報告です。doi:
10.5458/jag.jag.JAG-2021_0004 JAG
- Yamamoto, I., Ueno, Y., Geshi, M., Inagaki, Y., Odamaki, T., Fujita, K.: Complete genome sequence of Bifidobacterium longum subsp. longum JCM7052. Microbiol. Resour.
Announc., 10, e01193-01120. (2021).
doi: 10.1128/MRA.01193-20 MRA
B. longum JCM7052株のゲノム配列の報告です。NCBI
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Komeno, K., Hayamizu, H., Fujita, K., Ashida H.: Two novel α-L-arabinofuranosidases from
Bifidobacterium longum subsp. longum belonging to glycoside hydrolase family 43 cooperatively degrade arabinan. Appl. Environ. Microbiol., 85, e02582-18
(2019).
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Fujita, K., Sakamoto, A.,Kaneko, S., Kotake T., Tsumuraya Y., and Kitahara, K.:Degradative Enzymes for Type II Arabinogalactan Side Chains in Bifidobacterium
longum subsp.longum. Appl. Microbiol Biotech., 103, 1299-1310
(2019). Pubmed AMB KEGG GH30-5 DDBJ(BLLJ_1841) DDBJ(BLLJ_1854)
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Sasaki, Y., Togo, N., Kitahara, K., and Fujita, K.: Characterization
of a GH36 β-L-arabinopyranosidase in Bifidobacterium adolescentis. J. Appl. Glycosci., 65, 23-30 (2018). J-Stage KEGG(BAD_1528) DDBJ
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Shimokawa, M., Kitahara, K., and Fujita, K.: Characterization of a
β-L-arabinopyranosidase from Bifidobacterium longum subsp. longum. J. Appl. Glycosci., 62, 1-6 (2015). JAG KEGG GH27 DDBJ
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Fujita, K., Sakaguchi, T., Sakamoto, A., Shimokawa, M., and Kitahara, K.: Bifidobacterium
longum subsp. longum exo-β-1,3-galactanase, an enzyme for the degradation of type II arabinogalactan. Appl. Environ.
Microbiol., 80, 4577-4584 (2014)
Pubmed AEM KEGG GH43 GenBank
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Fujita, K., Takashi, Y., Obuchi, E., Kitahara, K., and Suganuma, T.: Characterization of a novel β-L-arabinofuranosidase in
Bifidobacterium longum: Functional elucidation of a DUF1680 protein family member. J. Biol.
Chem., 289, 5240-5249 (2014). pubmed JBC CAZy CAZypedia BLLJ_0211 DUF1680 GenBank genome
変異体の取り違えのため2013年に取り下げられた2011年に発表済み論文を再投稿したものである。
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Ito, T., Saikawa, K., Kim, S., Fujita, K., Ishiwata, A., Kaeothip, S., Arakawa, T., Wakagi, T., Beckham G.
T., Ito, Y., and Fushinobu, S.: Crystal structure of glycoside hydrolase family 127 β-L-arabinofuranosidase from Bifidobacterium longum. Biochem.
Biophys. Res. Commun., 447, 32-37 (2014). PubMed BBRC PDB PDB(Ara complex)
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Kaeothip, S., Ishiwata, A., Ito, T., Fushinobu, S., Fujita, K., Ito., Y.: Preparation of p-nitrophenyl β-L-arabinofuranoside as
a substrate of β-L-arabinofuranosidase. Carbohydr. Res., 382, 95–100 (2013).
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Fujita, K., Sakamoto, S., Ono, Y., Wakao, M., Suda, Y., Kitahara, K., and Suganuma, T.: Molecular cloning and characterization
of a β-L-arabinobiosidase in Bifidobacterium longum that belongs to a novel glycoside hydrolase family. J. Biol. Chem., 286, 5143-5150
(2011). pubmed JBC Suppl CAZy CAZypedia BLLJ_0212 GenBank genome
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Fujita, K., Sato, R., Toma, K., Kitahara, K., Suganuma, T., Yamamoto, K., and Takegawa, K.: Identification of the catalytic
acid-base residue of Arthrobacter endo-β-N-acetylglucosaminidase by chemical rescue of an inactive mutant. J. Biochem., 142,
301-306 (2007). pubmed CAZypedia CAZy PDB
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Fujita, K., and Yamamoto, K. : A remodeling system for the oligosaccharide chains on glycoproteins with microbial
endo-β-N-acetylglucosaminidases. Biochim. Biophis. Acta., 1760, 1631-1635 (2006). pubmed
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Fujita, K., Kobayashi, K., Iwamatsu, A., Takeuchi, M., Kumagai, H., and Yamamoto, K. : Molecular cloning of Mucor
hiemalis endo-β-N-acetylglucosaminidase and some properties of the recombinant enzyme. Arch. Biochem. Biophys., 432,
41-49 (2004). pubmed CAZy GenBank
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Fujita, K., Oura, F., Nagamine, N., Katayama, T., Hiratake, J., Sakata, K., Kumagai, H., and Yamamoto, K.: Identification and
molecular cloning of a novel glycoside hydrolase family of core 1 type O-glycan-specific endo-α-N-acetylgalactosaminidase from Bifidobacterium
longum. J. Biol. Chem., 280, 37415-37422 (2005). pubmed JBC GH101 CaZYpedia BLLJ_0168 GenBank genome PDB
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