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.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2024.6
- 수록면
- 109 - 118 (10page)
- DOI
- 10.17519/apiculture.2024.06.39.2.109
이용수
초록· 키워드
오류제보하기
American Foulbrood caused by Paenibacillus larvae is the most destructive disease of honey bee. This study aimed at investigating the growth inhibition potential of bacteriocins originated from Geobacillus thermoleovorans (GT-1326) and G. stearothermophilus (GS-1368) on P. larvae based on in vitro and in silico approach. The results showed the minimum inhibition concentration values of the both bacteriocins were the same as 800 μg/mL. Moreover, the cell leakage assay demonstrated the increase of nucleic acid amount observed within the cell-free supernatant in dose-dependent manner. Furthermore, the in silico approach predicted that the bacteriocins structure models comprised of A chain and six α-helix that enables to penetrate P. larvae membrane. The physicochemical properties data confirmed coomassie blue staining results in terms of the size of bacteriocins’ molecule (approximately 32 kDa) with the instability index reached 50 and hydrophobicity under threshold value. Additionally, the interactions occurred between bacteriocins and target protein were dominated by hydrophobic bonds. The prediction of bacteriocin mechanism of action depicted that the function was close to iron-chelating agent of bacteria. By interacting with lipoteichoic acid synthase located on the P. larvae surface, the bacteriocins compete with P. larvae to gain iron in which the pivotal nutrient for the metabolic process. Based on the inhibitory ability of GT-1326 and GS-1368 on the growth of P. larvae, further studies need to be done to increase the efficiency of the bacteriocins.
목차
Abstract
INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
LITERATURE CITED
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