@article{fdi:010054419, title = {{C}offee resistance to {C}olletotrichum kahawae is associated with lignification, accumulation of phenols and cell death at infection sites}, author = {{L}oureiro, {A}. and {N}icole, {M}ichel and {V}arzea, {V}. and {M}oncada, {P}. and {B}ertrand, {B}. and {S}ilva, {M}.{C}.}, editor = {}, language = {{ENG}}, abstract = {{H}istological and ultrastructural studies were undertaken to compare {C}olletotrichum kahawae growth and the sequence of responses it induced in resistant and susceptible coffee genotypes. {C}offee resistance was characterized by a restricted fungal growth associated with hypersensitive-like cell death and early accumulation of phenolic compounds, such as flavonoids (cytoplasmic contents) and hydroxycinnamic acid derivatives (cell walls). {T}his accumulation of phenols in the cell walls preceded their lignification and thickening. {I}n the susceptible genotype, a late accumulation of hydroxycinnamic acid derivatives in a number of cell walls and the encasement of some intracellular hyphae were also observed, but these delayed host responses did not prevent fungal growth and sporulation.}, keywords = {{C}offea arabica ; {C}offea canephora ; {C}offee berry disease ; {U}ltrastructure ; {R}esistance ; {H}ypersensitive-like reaction ; {P}henolic compounds ; {AFRIQUE}}, booktitle = {}, journal = {{P}hysiological and {M}olecular {P}lant {P}athology}, volume = {77}, numero = {1}, pages = {23--32}, ISSN = {0885-5765}, year = {2012}, DOI = {10.1016/j.pmpp.2011.11.002}, URL = {https://www.documentation.ird.fr/hor/fdi:010054419}, }