Antifungal activity of novel indole derivative from endophytic bacteria Pantoea ananatis 4G-9 against Mycosphaerella musicola. Issue 4 (2nd April 2016)

• Record Type: Journal Article
• Authors: Aman, Mohammed; Rai V, Ravishankar
• Is Part Of: Biocontrol science and technology. Volume 26:Issue 4(2016)
• Page Start: 476
• Page End: 491
• Publication Date: 2016-04-02
• Subjects: Bacterial metabolite -- indole derivative -- Pantoea ananatis 4G-9 -- Mycosphaerella musicola -- secondary metabolite; Pests -- Biological control -- Periodicals; Weeds -- Biological control -- Periodicals; Pesticides -- Environmental aspects -- Periodicals; Plants, Protection of -- Periodicals; Plants -- Biological control -- Periodicals; Agricultural pests -- Control -- Periodicals; Pest Control, Biological -- Periodicals; 632.96
• DOI: 10.1080/09583157.2015.1126223
• Languages: English
• ISSNs: 0958-3157

Abstract

ABSTRACT: An endophytic bacterium isolated from banana G-9 (AAA genotype) leaves exhibited strong antagonistic activity against Mycosphaerella musicola. The isolate was identified as Pantoea ananatis 4G-9 by 16S rRNA sequence analysis. Secondary metabolite obtained from P. ananatis 4G-9 was found to have antifungal activity. The active compound was purified from crude extract using column chromatography. Purity of the active compound was assessed using high-performance liquid chromatography. Spectral analysis of compound using infrared, mass spectrometry and nuclear magnetic resonance indicated that the compound structure is an indole derivative. The compound showed strong and dose-dependent antifungal activity against M. musicola. This is the first report on P. ananatis isolated as an endophyte from banana leaves and its antifungal activity against M. musicola .