균체외 \alpha-galactosidase를 생산하는 Streptomyces sp. YB-4의 분리 및 효소 특성
A strain YB-4 producing the extracellular $\alpha$-galactosidase was isolated from soil, and has been identified as Streptomyces sp. on the basis of its cultural, morphological and physiological properties. The partially purified $\alpha$-galactosidase was most active on paranitrophenyl-$\alpha$-D-g...
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Veröffentlicht in: | 한국미생물·생명공학회지 2002, Vol.30 (4), p.332-338 |
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description | A strain YB-4 producing the extracellular $\alpha$-galactosidase was isolated from soil, and has been identified as Streptomyces sp. on the basis of its cultural, morphological and physiological properties. The partially purified $\alpha$-galactosidase was most active on paranitrophenyl-$\alpha$-D-galactopyranoside at pH 6.0 and 6$0^{\circ}C$. The enzyme retained 90% of its maximum activity between pH 4.0 and pH 10.0 after pre-incubation for 1 h. The enzyme was able to hydrolyze oligomeric substrates such as melibiose, raffinose and stachyose to liberate galactose residue, indicating that the $\alpha$-galactosidase of Steptomyces sp. YB-4 hydrolyzed $\alpha$-1,6 linkage. 토양으로부터 세포외로 $\alpha$-galactosidase를 분비 생산하는 방선균 YB-4가 분리되었으며, 분리균의 배양ㆍ형태ㆍ생리적 특성을 조사한 결과 Streptomyces 속 균주로 확인되었다. 분리균의 배양상등액으로부터 부분정제된 $\alpha$-galactosidase를 조효소액으로 사용하였을 때 para-nitrophenyl-$\alpha$-D-galacto-pyranoside는 pH 6.0과 6$0^{\circ}C$의 반응조건에서 가장 잘 분해되었으며, 조효소액을 pH 4.0에서 pH 10.0범위에서 1시간 이상 방치한 후에도 약 90% 이상의 $\alpha$-galactosidase 활성을 유지하였다. 또한 분리균이 생산하는 $\alpha$-galactosidase는 melibiose, raffinose와 stachyose와 같은 저당류를 가수분해 할 수 있으며 분해산물로 galactose를 방출하는 것으로 보아 $\alpha$-1,6 결합을 분해한 것으로 확인되었다. |
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YB-4의 분리 및 효소 특성</title><source>Elektronische Zeitschriftenbibliothek</source><creator>김소영 ; 조기행 ; 김창진 ; 박동진 ; 윤기홍</creator><creatorcontrib>김소영 ; 조기행 ; 김창진 ; 박동진 ; 윤기홍</creatorcontrib><description>A strain YB-4 producing the extracellular $\alpha$-galactosidase was isolated from soil, and has been identified as Streptomyces sp. on the basis of its cultural, morphological and physiological properties. The partially purified $\alpha$-galactosidase was most active on paranitrophenyl-$\alpha$-D-galactopyranoside at pH 6.0 and 6$0^{\circ}C$. The enzyme retained 90% of its maximum activity between pH 4.0 and pH 10.0 after pre-incubation for 1 h. The enzyme was able to hydrolyze oligomeric substrates such as melibiose, raffinose and stachyose to liberate galactose residue, indicating that the $\alpha$-galactosidase of Steptomyces sp. YB-4 hydrolyzed $\alpha$-1,6 linkage. 토양으로부터 세포외로 $\alpha$-galactosidase를 분비 생산하는 방선균 YB-4가 분리되었으며, 분리균의 배양ㆍ형태ㆍ생리적 특성을 조사한 결과 Streptomyces 속 균주로 확인되었다. 분리균의 배양상등액으로부터 부분정제된 $\alpha$-galactosidase를 조효소액으로 사용하였을 때 para-nitrophenyl-$\alpha$-D-galacto-pyranoside는 pH 6.0과 6$0^{\circ}C$의 반응조건에서 가장 잘 분해되었으며, 조효소액을 pH 4.0에서 pH 10.0범위에서 1시간 이상 방치한 후에도 약 90% 이상의 $\alpha$-galactosidase 활성을 유지하였다. 또한 분리균이 생산하는 $\alpha$-galactosidase는 melibiose, raffinose와 stachyose와 같은 저당류를 가수분해 할 수 있으며 분해산물로 galactose를 방출하는 것으로 보아 $\alpha$-1,6 결합을 분해한 것으로 확인되었다.</description><identifier>ISSN: 1598-642X</identifier><language>kor</language><ispartof>한국미생물·생명공학회지, 2002, Vol.30 (4), p.332-338</ispartof><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,885,4024</link.rule.ids></links><search><creatorcontrib>김소영</creatorcontrib><creatorcontrib>조기행</creatorcontrib><creatorcontrib>김창진</creatorcontrib><creatorcontrib>박동진</creatorcontrib><creatorcontrib>윤기홍</creatorcontrib><title>균체외 \alpha-galactosidase를 생산하는 Streptomyces sp. YB-4의 분리 및 효소 특성</title><title>한국미생물·생명공학회지</title><addtitle>Korean journal of microbiology and biotechnology</addtitle><description>A strain YB-4 producing the extracellular $\alpha$-galactosidase was isolated from soil, and has been identified as Streptomyces sp. on the basis of its cultural, morphological and physiological properties. The partially purified $\alpha$-galactosidase was most active on paranitrophenyl-$\alpha$-D-galactopyranoside at pH 6.0 and 6$0^{\circ}C$. The enzyme retained 90% of its maximum activity between pH 4.0 and pH 10.0 after pre-incubation for 1 h. The enzyme was able to hydrolyze oligomeric substrates such as melibiose, raffinose and stachyose to liberate galactose residue, indicating that the $\alpha$-galactosidase of Steptomyces sp. YB-4 hydrolyzed $\alpha$-1,6 linkage. 토양으로부터 세포외로 $\alpha$-galactosidase를 분비 생산하는 방선균 YB-4가 분리되었으며, 분리균의 배양ㆍ형태ㆍ생리적 특성을 조사한 결과 Streptomyces 속 균주로 확인되었다. 분리균의 배양상등액으로부터 부분정제된 $\alpha$-galactosidase를 조효소액으로 사용하였을 때 para-nitrophenyl-$\alpha$-D-galacto-pyranoside는 pH 6.0과 6$0^{\circ}C$의 반응조건에서 가장 잘 분해되었으며, 조효소액을 pH 4.0에서 pH 10.0범위에서 1시간 이상 방치한 후에도 약 90% 이상의 $\alpha$-galactosidase 활성을 유지하였다. 또한 분리균이 생산하는 $\alpha$-galactosidase는 melibiose, raffinose와 stachyose와 같은 저당류를 가수분해 할 수 있으며 분해산물로 galactose를 방출하는 것으로 보아 $\alpha$-1,6 결합을 분해한 것으로 확인되었다.</description><issn>1598-642X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><sourceid>JDI</sourceid><recordid>eNpjYeA0NLW00DUzMYrgYOAtLs5MMjA1NjY3NzI252RIeLV9wZtNW97M3KEQk5hTkJGom56Yk5hckl-cmZJYnPp66R6FN81z3zRteDt1xuuuKQrBJUWpBSX5uZXJqcUKxQV6CpFOuiZv5s5QeL2t5fWyNQqvN_QrvJ214k1bj8Lbrp1vWjbyMLCmJeYUp_JCaW4GVTfXEGcP3ezM4pLM-LyU4px4L0dvfyMDAyNDQ0sjQ1MDS1NzS2Ni1QEASZBSZw</recordid><startdate>2002</startdate><enddate>2002</enddate><creator>김소영</creator><creator>조기행</creator><creator>김창진</creator><creator>박동진</creator><creator>윤기홍</creator><scope>JDI</scope></search><sort><creationdate>2002</creationdate><title>균체외 \alpha-galactosidase를 생산하는 Streptomyces sp. YB-4의 분리 및 효소 특성</title><author>김소영 ; 조기행 ; 김창진 ; 박동진 ; 윤기홍</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-kisti_ndsl_JAKO2002119215095793</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>kor</language><creationdate>2002</creationdate><toplevel>online_resources</toplevel><creatorcontrib>김소영</creatorcontrib><creatorcontrib>조기행</creatorcontrib><creatorcontrib>김창진</creatorcontrib><creatorcontrib>박동진</creatorcontrib><creatorcontrib>윤기홍</creatorcontrib><collection>KoreaScience</collection><jtitle>한국미생물·생명공학회지</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>김소영</au><au>조기행</au><au>김창진</au><au>박동진</au><au>윤기홍</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>균체외 \alpha-galactosidase를 생산하는 Streptomyces sp. 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YB-4 hydrolyzed $\alpha$-1,6 linkage. 토양으로부터 세포외로 $\alpha$-galactosidase를 분비 생산하는 방선균 YB-4가 분리되었으며, 분리균의 배양ㆍ형태ㆍ생리적 특성을 조사한 결과 Streptomyces 속 균주로 확인되었다. 분리균의 배양상등액으로부터 부분정제된 $\alpha$-galactosidase를 조효소액으로 사용하였을 때 para-nitrophenyl-$\alpha$-D-galacto-pyranoside는 pH 6.0과 6$0^{\circ}C$의 반응조건에서 가장 잘 분해되었으며, 조효소액을 pH 4.0에서 pH 10.0범위에서 1시간 이상 방치한 후에도 약 90% 이상의 $\alpha$-galactosidase 활성을 유지하였다. 또한 분리균이 생산하는 $\alpha$-galactosidase는 melibiose, raffinose와 stachyose와 같은 저당류를 가수분해 할 수 있으며 분해산물로 galactose를 방출하는 것으로 보아 $\alpha$-1,6 결합을 분해한 것으로 확인되었다.</abstract><oa>free_for_read</oa></addata></record> |
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title | 균체외 \alpha-galactosidase를 생산하는 Streptomyces sp. YB-4의 분리 및 효소 특성 |
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