지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
From leaf mold and reclamation site soil of the Capital area of Korea, 3 poly(butylene
succinate-co-butylene adipate: PBSA)-degrading strains were isolated through the clear zone test.
The PBSA-degrading activities of the strains were assessed by means of a modified Sturm test using
0.01% of PBSA film as a sole carbon source. After the modified Sturm tests for 40 days at the respective
isolation temperatures, the 3 strains degraded 30%, 55% and 43% of PBSA, respectively.
The isolated strains were identified to be Burkholderia cepacia PBSA-4, Bacillus licheniformis
PBSA-5 and Burkholderia sp. PBSA-6 through the 16S rDNA gene sequence analysis. Among them,
PBSA-5 degraded both PBSA and Poly(vinyl alcohol). The degradation activity of the PBSA degrading
strains appeared to be high at moderate temperatures such as 27℃
and 37℃
, and initial
inoculum size of 1010 cfu mL-1 degraded PBSA 1.2~1.3 more times than that 109 cfu mL-1 . Addition
of 0.1 or 0.5% (w/w) of gelatin, yeast extract and ammonium sulfate raised the PBSA degrading
activity, and especially addition of 0.1% (w/w) of gelatin enhanced the PBSA degrading activity
by more than 33%. The mixed strains degraded PBSA faster than the single strain.
목차
등록된 정보가 없습니다.
참고문헌 (16)
참고문헌 신청
ASTM D5209-92 / 1992 / Standard test method for determining the aerobic biodegradation of plastic materials in the presence of municipal sewage sludge” annual book of ASTM standards / A
Calil MR / 2006 / Comparision of the biodegradation of poly(ε-caprolactone), cellulose acetate and their blends by the Strum test and selected cultured fungi / Polymer Testi
Chen J / 2008 / Multifactors on biodegradation kinetics of polycyclic aromatic hydrocarbons (PAHs) by Sphingomonas sp. a bacterial strain isolated from mangrove sediment / Ma
Hayase N / 2004 / Isolation and characterization of poly(butylene succinate-co-butylene adipate)- degrading microorganism / J. Biosci. Bioeng. 97 : 131 ~ 133
Ishii NYI / 2008 / Isolation and characterization of poly(butylene succinate)- degrading fungi. Polym. Degrad. Stabil. In press
Calil MR / 2006 / Comparision of the biodegradation of poly(ε-caprolactone), cellulose acetate and their blends by the Strum test and selected cultured fungi / Polymer Testi
Chen J / 2008 / Multifactors on biodegradation kinetics of polycyclic aromatic hydrocarbons (PAHs) by Sphingomonas sp. a bacterial strain isolated from mangrove sediment / Ma
Hayase N / 2004 / Isolation and characterization of poly(butylene succinate-co-butylene adipate)- degrading microorganism / J. Biosci. Bioeng. 97 : 131 ~ 133
Ishii NYI / 2008 / Isolation and characterization of poly(butylene succinate)- degrading fungi. Polym. Degrad. Stabil. In press
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