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 …

… the monomeric catechin and the polymeric proanthocyanidins (… Amending culture medium
with catechin and PAs reduced … SA in correlation with catechin and PA accumulation suggests …

… as catechin, and oligomers, known as proanthocyanidins (… larici-populina) accumulated
higher amounts of catechin and PAs than uninfected trees. The de novo-synthesized catechin …

… Procyanidins B1 to B4 represent the four possible combinations arising from dimerization of
… )-catechin, with procyanidins B2 and B3 being the homodimers of epicatechin and catechin, …

… Accumulation of catechin and proanthocyanidins in black poplar stems after infection by
Plectosphaerella populi: hormonal regulation, biosynthesis and antifungal activity. Frontiers …

… The contribution of flavan-3-ol (whose parts are catechin and … A decrease in catechin and
procyanidin was observed in the … is a precursor of catechin, proanthocyanidins and quercetin […

Fungal colonization can significantly affect the secondary metabolism of the host plants. We
tested the impact of a common below-ground symbiosis, ie, ectomycorrhiza formation, on …

… The latter result was confirmed by induced levels of proanthocyanidins in M. medusae–…
Histological aspects of a hypersensitive response in poplar to Melampsora larici-populina. …

… In contrast, the catechin representation in P. fremontii initially increased and then remained
… of catechin, and changes in CT stereochemistry between budburst and autumn senescence. …

Secondary metabolites play important roles in tree defense. Proanthocyanidins (PAs), one
of the most common secondary metabolites, are widely distributed in trees and woody plants, …