Proteomics

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Tripartite symbiosis formed by Pisum sativum, rhizobia and mycorrhiza: Implications for the symbionts, the host plant and the pathogenic fungi, part 2


ABSTRACT: The lower needs for chemical fertilisers make the Pisum Sativum well suited for sustainable agricultural systems. During the past decades, yield losses were mainly due to pathogenic infestation, with Ascochyta blight as the most severe disease. In this fungal disease complex Didymella pinodes, as the most aggressive pathogen, has been examined intensively. Despite the great number of varieties, no resistance was yet found and several strategies were developed to avoid infestation. In recent years enhanced resistance to pathogens due to previous infestation by symbiotic microorganisms was discovered in several plants. However, only little attention was drawn on the implications of P. Sativum´s symbionts (Rhizobia, Mycorrhiza) on the disease severity as well as the effects of the pathogen on the symbiotic interactions. Hence, here the implications of the pathogenic infestation on the tripartite symbiosis of P. Sativum on a molecular (proteomics, metabolomics) and physiological level, and moreover, the potential of the root symbionts to enhance resistance against Didymella pinodes are investigated.

INSTRUMENT(S): LTQ Orbitrap Elite

ORGANISM(S): Pisum Sativum (garden Pea)

TISSUE(S): Plant Cell, Leaf

SUBMITTER: Reinhard Turetschek  

LAB HEAD: Stefanie Wienkoop

PROVIDER: PXD005701 | Pride | 2017-01-16

REPOSITORIES: Pride

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Publications

Microbial symbionts affect Pisum sativum proteome and metabolome under Didymella pinodes infection.

Desalegn G G   Turetschek R R   Kaul H-P HP   Wienkoop S S  

Journal of proteomics 20160322


<h4>Unlabelled</h4>The long cultivation of field pea led to an enormous diversity which, however, seems to hold just little resistance against the ascochyta blight disease complex. The potential of below ground microbial symbiosis to prime the immune system of Pisum for an upcoming pathogen attack has hitherto received little attention. This study investigates the effect of beneficial microbes on the leaf proteome and metabolome as well as phenotype characteristics of plants in various symbiont  ...[more]

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