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Genome analysis of Bacillus amyloliquefaciens FZB42 reveals its potential for biocontrol of plant pathogens

Paper ID Volume ID Publish Year Pages File Format Full-Text
24424 43514 2009 11 PDF Available
Title
Genome analysis of Bacillus amyloliquefaciens FZB42 reveals its potential for biocontrol of plant pathogens
Abstract

The genome of plant-associated Bacillus amyloliquefaciens FZB42 harbors an array of giant gene clusters involved in synthesis of lipopeptides and polyketides with antifungal, antibacterial and nematocidal activity. Five gene clusters, srf, bmy, fen, nrs, dhb, covering altogether 137 kb, were shown to direct synthesis of the cyclic lipopeptides surfactin, bacillomycin, fengycin, an unknown peptide, and the iron-siderophore bacillibactin. In addition, one gene cluster encoding enzymes involved in synthesis and export of the antibacterial dipeptide bacilysin is also functional in FZB42. Three gene clusters, mln, bae, and dfn, with a total size of 199 kb were shown to direct synthesis of the antibacterial acting polyketides macrolactin, bacillaene, and difficidin. In total, FZB42 dedicates about 340 kb, corresponding to 8.5% of its total genetic capacity, to synthesis of secondary metabolites. On the contrary, genes involved in ribosome-dependent synthesis of lantibiotics and other peptides are scarce. Apart from two incomplete gene clusters directing immunity against mersacidin and subtilin, only one peptide-like compound has been detected in the culture fluid that inhibits the growth of B. subtilis lacking the alternative sigma factor W.

Keywords
Bacillus amyloliquefaciens FZB42; Genome; Lipopeptides; Polyketides
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Genome analysis of Bacillus amyloliquefaciens FZB42 reveals its potential for biocontrol of plant pathogens
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Biotechnology - Volume 140, Issues 1–2, 10 March 2009, Pages 27–37
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us