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评估泛菌属生物防治菌株中抗生素 2-氨基-3-(环氧乙烷-2,3-二羧酰胺基)-丙酰缬氨酸对植物病原菌的相关性。

Assessment of the relevance of the antibiotic 2-amino-3-(oxirane-2,3-dicarboxamido)-propanoyl-valine from Pantoea agglomerans biological control strains against bacterial plant pathogens.

机构信息

Institute for Microbiology, Microbial Communication, University of Jena, Neugasse 25, D-07743, Jena, Germany.

出版信息

Microbiologyopen. 2012 Dec;1(4):438-49. doi: 10.1002/mbo3.43. Epub 2012 Oct 30.

DOI:10.1002/mbo3.43
PMID:23233458
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3535389/
Abstract

The epiphyte Pantoea agglomerans 48b/90 (Pa48b) is a promising biocontrol strain against economically important bacterial pathogens such as Erwinia amylovora. Strain Pa48b produces the broad-spectrum antibiotic 2-amino-3-(oxirane-2,3-dicarboxamido)-propanoyl-valine (APV) in a temperature-dependent manner. An APV-negative mutant still suppressed the E. amylovora population and fire blight disease symptoms in apple blossom experiments under greenhouse conditions, but was inferior to the Pa48b wild-type indicating the influence of APV in the antagonism. In plant experiments with the soybean pathogen Pseudomonas syringae pv. glycinea both, Pa48b and the APV-negative mutant, successfully suppressed the pathogen. Our results demonstrate that the P. agglomerans strain Pa48b is an efficient biocontrol organism against plant pathogens, and we prove its ability for fast colonization of plant surfaces over a wide temperature range.

摘要

植物内生菌 Pantoea agglomerans 48b/90（Pa48b）是一种有前途的生防菌株，可以对抗诸如 Erwinia amylovora 等具有经济重要性的细菌病原体。该菌株 Pa48b 以温度依赖的方式产生广谱抗生素 2-氨基-3-（环氧乙烷-2,3-二羧酰胺基）-丙酰缬氨酸（APV）。在温室条件下的苹果花实验中，尽管 APV 阴性突变体仍能抑制 E. amylovora 种群和火疫病症状，但与 Pa48b 野生型相比表现不佳，表明 APV 在拮抗作用中的影响。在大豆病原菌 Pseudomonas syringae pv. glycinea 的植物实验中，Pa48b 和 APV 阴性突变体都成功地抑制了病原菌。我们的结果表明，P. agglomerans 菌株 Pa48b 是一种有效的植物病原体生防生物，并且我们证明了其在广泛的温度范围内快速定殖植物表面的能力。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b3ce/3535389/814fb76695f3/mbo30001-0438-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b3ce/3535389/1826339d7c32/mbo30001-0438-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b3ce/3535389/114aae106ee7/mbo30001-0438-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b3ce/3535389/d82bc6f6062f/mbo30001-0438-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b3ce/3535389/2eea60d1ab6e/mbo30001-0438-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b3ce/3535389/8048a7a81a9c/mbo30001-0438-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b3ce/3535389/814fb76695f3/mbo30001-0438-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b3ce/3535389/1826339d7c32/mbo30001-0438-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b3ce/3535389/114aae106ee7/mbo30001-0438-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b3ce/3535389/d82bc6f6062f/mbo30001-0438-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b3ce/3535389/2eea60d1ab6e/mbo30001-0438-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b3ce/3535389/8048a7a81a9c/mbo30001-0438-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b3ce/3535389/814fb76695f3/mbo30001-0438-f6.jpg

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