@article{fdi:010048428, title = {{C}hitinases of {C}offea arabica genotypes resistant to orange rust {H}emileia vastatrix}, author = {{G}uerra-{G}uimares, {L}. and {S}ilva, {M}. {C}. and {S}truck, {C}. and {L}oureiro, {A}. and {N}icole, {M}ichel and {R}odrigues, {C}. {J}. and {R}icardo, {C}. {P}. {P}.}, editor = {}, language = {{ENG}}, abstract = {{T}wo {C}offea arabica - {H}emileia vastatrix incompatible interactions ({I}-1: coffee cv. {C}aturra - rust race {VI} and {I}-2: coffee cv {S}4 {A}garo - rust race {II}) and a compatible interaction (coffee cv. {C}aturra - rust race {II}) were compared in relation to the infection process and chitinase activity. {I}n the two incompatible interactions the fungus ceased growth in the early infection stages, while in the compatible interaction no fungus growth inhibition was observed. {A} high constitutive level of chitinase activity was detected in the intercellular fluid of healthy leaves. {U}pon infection, chitinase isoforms were more abundant in incompatible interactions than in the compatible interaction. {I}mmunodetection showed that class {I} chitinases are particularly relevant in the incompatible interactions and might participate in the defence response of the coffee plants.}, keywords = {immunodetection ; coffee-orange rust interactions ; intercellular fluid ; resistance response}, booktitle = {}, journal = {{B}iologia {P}lantarum}, volume = {53}, numero = {4}, pages = {702--706}, ISSN = {0006-3134}, year = {2009}, DOI = {10.1007/s10535-009-0126-8}, URL = {https://www.documentation.ird.fr/hor/fdi:010048428}, }