KR102529645B1 - 리놀레산을 포함하는 생물막 형성 억제용 조성물 및 이를 이용한 생물막 형성 억제 방법 - Google Patents
리놀레산을 포함하는 생물막 형성 억제용 조성물 및 이를 이용한 생물막 형성 억제 방법 Download PDFInfo
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
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- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
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Abstract
Description
도 2는 공초점 레이저 주사 현미경 (CLSM)을 이용한 녹농균 생물막 분석 결과를 나타낸 것으로, (A)는 10 μM LA를 처리하지 않거나(왼쪽), 처리한(오른쪽) 녹농균 생물막의 CLSM 이미지를 나타내고, (B)는 ImageJ의 comstat 2를 이용하여 정량화한 생물막의 부피와 두께를 나타낸 것이다.
도 3은 녹농균 운동성에 대한 LA의 영향에 관한 것으로서, (A)는 24 시간 동안 10 μM LA를 처리하지 않거나(왼쪽), 처리한(오른쪽) 녹농균의 swimming, swarming 및 twitching 운동성을 나타내고, (B)는 swimming, swarming 및 twitching 운동에 의해 생성된 돌기의 길이를 나타낸 것이다.
도 4는 분산 신호 인자와 관련된 녹농균의 유전자 발현을 나타낸 것으로서, (A)는 LA를 처리한 미생물의 분산 신호 관련 유전자의 cDNA 복사 수를 대조군의 cDNA 복사 수로 표준화시킨 상대적인 유전자의 발현 정도를 나타내고, (B)는 다양한 농도의 LA(0-1000 μM)를 처리한 녹농균 돌연변이 (△PA14_54640 및 △PA14_65860)의 생물막 형성 억제 측정 결과를 나타낸 것이다.
도 5는 녹농균의 세포성 c-di-GMP 정도에 대한 LA의 효과를 나타낸 것으로서, (A)는 10 μM LA를 처리한 녹농균의 c-di-GMP 정도를 pSKcdrA (cdrA-lacZ fusion)을 보유한 b-galactosidase activity의 측정을 통해 분석한 결과를 나타내고(cis-2-DA 및 SNP가 실험의 양성 대조군으로 사용), (B)는 phosphodiesterase activity 측정을 위한 10 μM LA를 처리한 녹농균에 의한 bis-pNPP의 분해 정도를 나타내며, (C)는 세포 계수 방법을 통해 측정된 LA에 의한 녹농균의 분산능력을 나타낸 것이다.
도 6은 분산 신호 인자 관련 신호 시스템의 개략도를 나타낸 것으로, (A)와 (B)는 각각 낮은 세포 밀도(A) 및 높은 세포 밀도(B)에서 Xcc의 DSF 시스템을 나타내고, (C)는 녹농균 PA14에서 LA 처리로 인해 예상되는 DSF 시스템을 나타낸 것이다.
도 7A는 그람 음성균인 녹농균과, 그람 양성세균인 황색포도상구균(Staphylococcus aureus), 대장균(Escherichia coli) 및 캔디다 트로피칼리스(Candida tropicalis)에 의한 생물막 형성에 대한 LA의 효과를 측정한 결과를 나타낸 것이고, 도 7B는 황색포도상구균에 의한 생물막 분산에 대한 LA의 효과를 측정한 결과이다.
Claims (9)
- 리놀레산(linoleic acid)을 유효성분으로 포함하는 생물막 형성 억제용 조성물.
- 제1항에 있어서,
상기 리놀레산은 확산성 신호 분자 수용체 단백질인 RpfC에 결합하여 세포성 사이클릭 다이구아닐레이트 (c-di-GMP) 수준을 감소시키는 것을 특징으로 하는 생물막 형성 억제용 조성물. - 제1항에 있어서, 의료기기, 의료용 재료 또는 의료용 이식물의 표면에 형성되는 생물막의 형성을 억제하는 것을 특징으로 하는 생물막 형성 억제용 조성물.
- 제1항에 있어서, 수처리막 표면에 형성되는 생물막의 형성을 억제하는 것을 특징으로 하는 생물막 형성 억제용 조성물.
- 제1항에 있어서, 식품 및 생활용품의 표면에 형성되는 생물막의 형성을 억제하는 것을 특징으로 하는 생물막 형성 억제용 조성물.
- 제1항에 있어서, 치아 표면에 형성되는 생물막의 형성을 억제하는 것을 특징으로 하는 생물막 형성 억제용 조성물.
- 제1항에 있어서,
상기 조성물의 제형은 치약, 구강청정제, 구강용 스프레이, 구강용 티슈 제형, 구강용 연고제 및 구강용 바니쉬로 이루어진 군에서 선택되는 1종 이상인 것을 특징으로 하는 생물막 형성 억제용 조성물. - 제1항에 있어서,
상기 조성물의 제형은 주방용 세제, 바닥용 세제, 화장실용 세제, 주방용 소독제, 욕실용 소독제, 유리 세척제, 과일야채 세척제, 기름제거 세척제, 찌든때 제거제, 표백제, 가구 세척제, 의류용 세탁세제, 섬유유연제 및 변기 세척제로 이루어진 군에서 선택되는 1종 이상인 것을 특징으로 하는 생물막 형성 억제용 조성물. - 제1항 따른 조성물을 대상물의 표면에 처리하는 단계를 포함하는 생물막 형성 억제 방법.
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