@article{fdi:010081427,
  title = {{EPIP}-evoked modifications of redox, lipid, and pectin homeostasis in the abscission zone of lupine flowers},
  author = {{W}ilmowicz, {E}. and {K}ucko, {A}. and {P}okora, {W}. and {K}apusta, {M}. and {J}asieniecka-{G}azarkiewicz, {K}. and {T}ranbarger, {T}imothy and {W}olska, {M}. and {P}anek, {K}.},
  editor = {},
  language = {{ENG}},
  abstract = {{Y}ellow lupine is a great model for abscission-related research given that excessive flower abortion reduces its yield. {I}t has been previously shown that the {EPIP} peptide, a fragment of {L}l{IDL} ({INFLORESCENCE} {DEFICIENT} {IN} {ABSCISSION}) amino-acid sequence, is a sufficient molecule to induce flower abortion, however, the question remains: {W}hat are the exact changes evoked by this peptide locally in abscission zone ({AZ}) cells? {T}herefore, we used {EPIP} peptide to monitor specific modifications accompanied by early steps of flower abscission directly in the {AZ}. {EPIP} stimulates the downstream elements of the pathway-{HAESA} and {MITOGEN}-{ACTIVATED} {PROTEIN} {KINASE}6 and induces cellular symptoms indicating {AZ} activation. {T}he {EPIP} treatment disrupts redox homeostasis, involving the accumulation of {H}2{O}2 and upregulation of the enzymatic antioxidant system including superoxide dismutase, catalase, and ascorbate peroxidase. {A} weakening of the cell wall structure in response to {EPIP} is reflected by pectin demethylation, while a changing pattern of fatty acids and acyl lipids composition suggests a modification of lipid metabolism. {N}otably, the formation of a signaling molecule-phosphatidic acid is induced locally in {EPIP}-treated {AZ}. {C}ollectively, all these changes indicate the switching of several metabolic and signaling pathways directly in the {AZ} in response to {EPIP}, which inevitably leads to flower abscission.},
  keywords = {cell wall ; crops ; fatty acids ; flower abscission zone ; oxidative stress ; yellow lupine},
  booktitle = {},
  journal = {{I}nternational {J}ournal of {M}olecular {S}ciences},
  volume = {22},
  numero = {6},
  pages = {3001 [21 p.]},
  year = {2021},
  DOI = {10.3390/ijms22063001},
  URL = {https://www.documentation.ird.fr/hor/fdi:010081427},
}