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November 17
Factors in Age-Related Resistance in Arabidopsis thaliana

Wilson and Colleagues​ explore the roles that salicylic acid and floral regulators play in disease resistance.

August 10
Three-Way Transcriptomic Interaction Study of a Biocontrol Agent, Fungal Pathogen, and Potato Host

​Lysøe and colleagues use transcriptomics to examine the mechanisms through which a biocontrol agent (Clonostachys rosea) limits the severity of a postharvest fungal disease of potato, caused by Helminthosporium solani. Their analysis suggests a complex mode of action, involving activation of host immunity, competition, and mycoparasitism.

 

May 02
Below-Ground Attack by the Root-Knot Nematode Meloidogyne graminicola Predisposes Rice to Blast

Kyndt and colleagues demonstrate that nematode infestation of rice roots can promote above-ground infection by the rice blast pathogen. The mechanism involves auxin and disregulated oxidative stress responses.

March 13
Perturbation of H3K27me3-Associated Epigenetic Processes Increases Agrobacterium-Mediated Transformation

Improving the efficiency of Agrobacterium-mediated transformation remains a major challenge for many plant species, particularly if the full potential of genome editing is to be realized. Iwakawa et al. provide evidence that transformation efficiency could be enhanced through manipulation of H3K27me3-dependent epigenetic regulation. View article...

January 30
GABA Uptake Represses Gene Expression in Pseudomonas syringae pv. tomato DC3000

McCraw et al. demonstrate that the GABA permease GabP provides the primary mechanism for GABA uptake by DC3000 and that a gabP deletion mutant is insensitive to GABA-mediated-repression of T3SS expression. Open Access.

December 22
Immuno-Suppressive Aphid Saliva Protein Delivered into Cytosol of Mesophyll Cells During Feeding

Mugford and colleagues illustrate how immunogold labeling can provide information about the subcellular localization of effector proteins, complementing functional studies and enhancing the understanding of effector mode of action. Open Access.

November 04
Bacillus mojavensis RRC101 Lipopeptides Provoke Changes During Antagonism Against Fusarium verticillioides

Blacutt et al. explore molecular interactions between the maize-endophytic bacterium Bacillus mojavensis and the mycotoxigenic fungus Fusarium verticillioides. Bacterial lipopeptides are implicated in both antifungal activity and fungal toxin production.

September 07
Arabidopsis Proline Dehydrogenase Contributes to Flagellin-Mediated PAMP-Triggered Immunity by Affecting RBOHD

​Fabro and colleagues examine how processes that alter the mitochondrial electron transport chain (mETC) influence establishment of PAMP-triggered immunity (PTI) with emphasis on the effect of the enzyme proline dehydrogenase.

August 11
MPMI Editor's Pick

​Poplar–Root-Knot Nematode Interaction: A Model for Perennial Woody Species
Baldacci-Cresp and colleagues describe a new system for studying interactions between root-knot nematodes and trees. Nematodes exercised conserved strategies to reproduce and invade perennial plants, and poplar was identified as a model host for studying traits of tree–nematode interactions.

June 27
MPMI Editor's Pick

Peptidoglycan-Remodeling Enzyme Critical for Bacteroid Differentiation in Bradyrhizobium spp. During Legume Symbiosis

Gully and colleagues provide an elegant genetic demonstration of the important role played by the bacterial peptidoglycan layer in the symbiosis between Bradyrhizobium and Aeschynomene species of legumes. 

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