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Akademický článek

A Genetic Screen for Pathogenicity Genes in the Hemibiotrophic Fungus Colletotrichum higginsianum Identifies the Plasma Membrane Proton Pump Pma2 Required for Host Penetration.

Autor: Martin Korn, Johannes Schmidpeter, Marlis Dahl, Susanne Müller, Lars M Voll, Christian Koch

Publikováno v: PLoS ONE, Vol 10, Iss 5, p e0125960 (2015)

We used insertional mutagenesis by Agrobacterium tumefaciens mediated transformation (ATMT) to isolate pathogenicity mutants of Colletotrichum higginsianum. From a collection of 7200 insertion mutants we isolated 75 mutants with reduced symptoms. 19

Externí odkaz: https://doaj.org/article/7617df7b7b5b42388662d3c73fe2e7de

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Reactive oxygen species dosage in Arabidopsis chloroplasts can improve resistance towards Colletotrichum higginsianum by the induction of WRKY33

Autor: Veronica G. Maurino, Rebecca Mächtel, Alexandra Ammon, Andree Schmidt, Lars M. Voll, Timo Engelsdorf, Jessica Schmitz

Publikováno v: New Phytologist. 226:189-204

Arabidopsis plants overexpressing glycolate oxidase in chloroplasts (GO5) and loss-of-function mutants of the major peroxisomal catalase isoform, cat2-2, produce increased hydrogen peroxide (H2 O2 ) amounts from the respective organelles when subject

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c600817e23521d3ba3a57d359f9941f7
https://doi.org/10.1111/nph.16332

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Nutritional factors modulating plant and fruit susceptibility to pathogens: BARD workshop, Haifa, Israel, February 25–26, 2018

Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Digital.CSIC. Repositorio Institucional del CSIC
instname

32 p.-3 fig.
The molecular dialog between fungal pathogens and their plant hosts is governed by signals from the plant, secreted pathogen effectors and enzymes, and the plant immune system. There is an increasing awareness that nutritional facto

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::89fb6050a5a5018812d0d2b7f9b437d0
http://hdl.handle.net/10261/209653

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Galactose metabolism and toxicity in Ustilago maydis

Autor: Jonas Ulrich, Bastian Dillner, David Schuler, Franz Klebl, Nathalie Grün, Christina Höll, Jörg Kämper, Lars M. Voll, Alexandra Ammon

Publikováno v: Fungal Genetics and Biology. 114:42-52

In most organisms, galactose is metabolized via the Leloir pathway, which is conserved from bacteria to mammals. Utilization of galactose requires a close interplay of the metabolic enzymes, as misregulation or malfunction of individual components ca

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fa9455de76ef9041f8dfe237989d19d6
https://doi.org/10.1016/j.fgb.2018.03.005

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Deficiencies in the Mitochondrial Electron Transport Chain Affect Redox Poise and Resistance Toward Colletotrichum higginsianum

Autor: Christopher McCollum, Sonja Geißelsöder, Timo Engelsdorf, Anna Maria Voitsik, Lars M. Voll

Publikováno v: Frontiers in Plant Science, Vol 10 (2019)

To investigate if and how the integrity of the mitochondrial electron transport chain (mETC) influences susceptibility of Arabidopsis toward Colletotrichum higginsianum, we have selected previously characterized mutants with defects at different stag

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doajarticles::66cd8f457369c577b54215fb2a9a93ba
https://www.frontiersin.org/article/10.3389/fpls.2019.01262/full

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Manipulation of charge distribution in the arginine and glutamate clusters of the OmpG pore alters sugar specificity and ion selectivity

Autor: Christine Schmitt, Lars M. Voll, Benedikt Schmid, Richard Wagner, Stefan Klingl, Birgit Hemmis, Jayesh Arun Bafna, Mathias Winterhalter, Steffen Baier

Publikováno v: Biochimica et biophysica acta. Biomembranes. 1861(10)

OmpG is a general diffusion pore in the E. coli outer membrane with a molecular architecture comprising a 14-stranded β-barrel scaffold and unique structural features. In contrast to other non-specific porins, OmpG lacks a central constriction zone

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e5342ac7d97229013ac38f027994957d
https://pubmed.ncbi.nlm.nih.gov/31306626

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Sugar Accumulation in Leaves of Arabidopsis sweet11/sweet12 Double Mutants Enhances Priming of the Salicylic Acid-Mediated Defense Response

Autor: Pierre Gebauer, Martin Korn, Timo Engelsdorf, Uwe Sonnewald, Christian Koch, Lars M. Voll

Publikováno v: Frontiers in Plant Science
Frontiers in Plant Science, Vol 8 (2017)

In compatible interactions, biotrophic microbial phytopathogens rely on the supply of assimilates by the colonized host tissue. It has been found in rice that phloem localized SWEET sucrose transporters can be reprogrammed by bacterial effectors to e

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::5a072301a023727d61ed41f062407a8f

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Metabolite profiling of barley flag leaves under drought and combined heat and drought stress reveals metabolic QTLs for metabolites associated with antioxidant defense

Autor: Anja Hanemann, Frank Ordon, Christopher McCollum, Christian Schuy, Alexandra Ammon, Sven Eduard Templer, Otilia Ciobotea, David Pscheidt, Lars M. Voll, Maria von Korff, J. Förster, Uwe Sonnewald

Publikováno v: Journal of Experimental Botany

Highlight mQTLs for barley flag leaf γ-tocopherol, glutathione, and succinate content co-localize with genes encoding enzymes of the pathways producing these antioxidant metabolites.
Barley (Hordeum vulgare L.) is among the most stress-tolerant

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::207e0b5e06cc41bf308661faad20605e
https://hdl.handle.net/11858/00-001M-0000-002C-A6EC-011858/00-001M-0000-002C-A6EA-3

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Cell wall composition and penetration resistance against the fungal pathogen Colletotrichum higginsianum are affected by impaired starch turnover in Arabidopsis mutants

Autor: Marc S. Frenger, Sivakumar Pattathil, Christine Schmitt, Brian B. Merritt, André Marschall, Lars M. Voll, Jörg Hofmann, Timo Engelsdorf, Rochus Franke, Cornelia Will, Leonie Rieger

Publikováno v: Journal of Experimental Botany

Highlight Changes in Arabidopsis cell wall composition, predominantly in pectic polymers, influence penetration and establishment of Colletotrichum higginsianum hyphae in host leaves during initial biotrophy.
Penetration resistance represents th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ac64c676cf77b3813f61b64f1231e078
https://pubmed.ncbi.nlm.nih.gov/28204541

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Loss of the two major leaf isoforms of sucrose-phosphate synthase in Arabidopsis thaliana limits sucrose synthesis and nocturnal starch degradation but does not alter carbon partitioning during photosynthesis

Autor: Sabine Schneider, Stefan Debast, Frederik Börnke, Kathrin Volkert, Hildegard Voll, Jörg Hofmann, Ingrid Schießl, Lars M. Voll

Publikováno v: Journal of Experimental Botany. 65:5217-5229

Sucrose (Suc)-phosphate synthase (SPS) catalyses one of the rate-limiting steps in the synthesis of Suc in plants. The Arabidopsis genome contains four annotated SPS genes which can be grouped into three different families (SPSA1, SPSA2, SPSB, and SP

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::72dc8215f5c0a2f3033503128b270805
https://doi.org/10.1093/jxb/eru282

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