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Terpenoids from Kiwi endophytic fungus Bipolaris sp. and their antibacterial activity against Pseudomonas syringae pv. actinidiae.


ABSTRACT: A chemical investigation on the kiwi endophytic fungus Bipolaris sp. Resulted in the isolation of eight new terpenoids (1-8) and five known analogues (9-13). Compounds 1-5 are novel sativene sesquiterpenoids containing three additional skeletal carbons, while compounds 4 and 5 are rare dimers. Compounds 6-8 and 13 are sesterterpenoids that have been identified from this species for the first time. Compounds 4 and 5 showed antibacterial activity against kiwifruit canker pathogen Pseudomonas syringae pv. Actinidiae (Psa) with MIC values of 32 and 64 μg/ml, respectively.

SUBMITTER: Yu JJ 

PROVIDER: S-EPMC9475172 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature

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Terpenoids from Kiwi endophytic fungus <i>Bipolaris</i> sp. and their antibacterial activity against <i>Pseudomonas syringae</i> pv. <i>actinidiae</i>.

Yu Jun-Jie JJ   Wei Wen-Ke WK   Zhang Yu Y   Cox Russell J RJ   He Juan J   Liu Ji-Kai JK   Feng Tao T  

Frontiers in chemistry 20220901


A chemical investigation on the kiwi endophytic fungus <i>Bipolaris</i> sp. Resulted in the isolation of eight new terpenoids (<b>1</b>-<b>8</b>) and five known analogues (<b>9</b>-<b>13</b>). Compounds <b>1</b>-<b>5</b> are novel sativene sesquiterpenoids containing three additional skeletal carbons, while compounds <b>4</b> and <b>5</b> are rare dimers. Compounds <b>6</b>-<b>8</b> and <b>13</b> are sesterterpenoids that have been identified from this species for the first time. Compounds <b>4<  ...[more]

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