@article{fdi:010040755, title = {{T}he 9-lipoxygenase {G}h{LOX}1 gene is associated with the hypersensitive reaction of cotton {G}ossypium hirsutum to {X}anthomonas campestris pv malvacearum}, author = {{M}armey, {P}hilippe and {J}alloul, {A}. and {A}lhamdia, {M}ajd and {A}ssigbets{\'e}, {K}omi and {C}acas, {J}. {L}. and {V}oloudakis, {A}. {E}. and {C}hampion, {A}ntony and {C}l{\'e}rivet, {A}. and {M}ontillet, {J}. {L}. and {N}icole, {M}ichel}, editor = {}, language = {{ENG}}, abstract = {{H}ypersensitive reaction ({HR}) cell death of cotton to the incompatible race 18 from {X}anthomonas campestris pathovar malvacearum ({X}cm) is associated with 9{S}-lipoxygenase activity ({LOX}) responsible for lipid peroxidation. {H}ere, we report the cloning of cotton ({G}ossypium hirsutum {L}.) {LOX} gene ({G}h{LOXI}) and the sequencing of its promoter. {G}h{LOXI} was found to be highly expressed during {X}cm induced {HR}. {S}equence analysis showed that {G}h{LOXI} is a putative 9-{LOX}, and {G}h{LOXI} promoter contains {SA} and {JA} responsive elements. {I}nvestigation on {LOX} signalisation on cotyledons infiltrated with salicylic acid ({SA}), or incubated with methyl-jasmonate ({M}e{JA}) revealed that both treatments induced {LOX} activity and {G}h{LOXI} gene expression. {HR}-like symptoms were observed when {LOX} substrates were then injected in treated ({M}e{JA} and {SA}) cotyledons or when {X}cm compatible race 20 was inoculated on {M}e{JA} treated cotyledons. {T}ogether these results support the fact that {G}h{LOXI} encodes a 9 {LOX} whose activity would be involved in cell death during cotton {HR}.}, keywords = {lipoxygenase ; hypersensitive reaction ; {X}anthomonas campestris ; {G}ossypium hirsutum ; methyl jasmonate ; salicylic acid}, booktitle = {}, journal = {{P}lant {P}hysiology and {B}iochemistry}, volume = {45}, numero = {8}, pages = {596--606}, ISSN = {0981-9428}, year = {2007}, DOI = {10.1016/j.plaphy.2007.05.002}, URL = {https://www.documentation.ird.fr/hor/fdi:010040755}, }