Salicylic acid activates poplar defense against the biotrophic rust fungus Melampsora larici‐populina via increased biosynthesis of catechin and proanthocyanidins

C Ullah, CJ Tsai, SB Unsicker, L Xue… - New …, 2019 - Wiley Online Library
Poplar trees synthesize flavan‐3‐ols (catechin and proanthocyanidins) as a defense against
foliar rust fungi, but the regulation of this defense response is poorly understood. Here, we …

Flavan-3-ols are an effective chemical defense against rust infection

C Ullah, SB Unsicker, C Fellenberg… - Plant …, 2017 - academic.oup.com
Phenolic secondary metabolites are often thought to protect plants against attack by
microbes, but their role in defense against pathogen infection in woody plants has not been …

[HTML][HTML] Accumulation of catechin and proanthocyanidins in black poplar stems after infection by Plectosphaerella populi: Hormonal regulation, biosynthesis and …

C Ullah, SB Unsicker, M Reichelt… - Frontiers in plant …, 2019 - frontiersin.org
Flavan-3-ols including the monomeric catechin and the polymeric proanthocyanidins (PAs)
are abundant phenolic metabolites in poplar (Populus spp.) previously described to protect …

Lack of antagonism between salicylic acid and jasmonate signalling pathways in poplar

C Ullah, A Schmidt, M Reichelt, CJ Tsai… - New …, 2022 - Wiley Online Library
Salicylic acid (SA) and jasmonic acid (JA) often play distinct roles in plant defence against
pathogens. Research from Arabidopsis thaliana has established that SA‐and JA‐mediated …

The Transcriptional Response of Hybrid Poplar (Populus trichocarpa x P. deltoids) to Infection by Melampsora medusae Leaf Rust Involves Induction of Flavonoid …

M Miranda, SG Ralph, R Mellway… - Molecular Plant …, 2007 - Am Phytopath Society
The transcriptional response of hybrid poplar (Populus trichocarpa× P. deltoids) to poplar
leaf rust (Melampsora medusae) infection was studied using the Populus 15.5 K cDNA …

Transcript Profiling of Poplar Leaves upon Infection with Compatible and Incompatible Strains of the Foliar Rust Melampsora larici-populina

C Rinaldi, A Kohler, P Frey, F Duchaussoy… - Plant …, 2007 - academic.oup.com
To understand key processes governing defense mechanisms in poplar (Populus spp.)
upon infection with the rust fungus Melampsora larici-populina, we used combined …

Leaf rust infection reduces herbivore‐induced volatile emission in black poplar and attracts a generalist herbivore

F Eberl, A Hammerbacher, J Gershenzon… - New …, 2018 - Wiley Online Library
Plants release complex volatile blends after separate attack by herbivores and pathogens,
which play many roles in interactions with other organisms. Large perennials are often …

Poplar and Pathogen Interactions: Insights from Populus Genome-Wide Analyses of Resistance and Defense Gene Families and Gene Expression Profiling

S Duplessis, I Major, F Martin… - Critical Reviews in Plant …, 2009 - Taylor & Francis
Our understanding of the molecular basis of plant-pathogen interactions is derived mostly
from studies of model annual plant species, and until recently, few addressed disease …

[HTML][HTML] Integrated transcriptome analysis reveals plant hormones jasmonic acid and salicylic acid coordinate growth and defense responses upon fungal infection in …

J Luo, W Xia, P Cao, Z Xiao, Y Zhang, M Liu, C Zhan… - Biomolecules, 2019 - mdpi.com
Plants have evolved a sophisticated system to respond to various stresses. Fungal attack or
infection is one of the most important biotic stresses for most plants. During the defense …

[HTML][HTML] Coexpression of PalbHLH1 and PalMYB90 Genes From Populus alba Enhances Pathogen Resistance in Poplar by Increasing the Flavonoid Content

Q Bai, B Duan, J Ma, Y Fen, S Sun, Q Long… - Frontiers in plant …, 2020 - frontiersin.org
Secondary metabolites of the flavonoid pathway participate in plant defense, and bHLH and
MYB transcription factors regulate the synthesis of these metabolites. Here, we define the …