The PIP peptide of INFLORESCENCE DEFICIENT IN ABSCISSION enhances Populus leaf and Elaeis guineensis fruit abscission
The programmed loss of a plant organ is called abscission, which is an important cell separation process that occurs with different organs throughout the life of a plant. The use of floral organ abscission in Arabidopsis thaliana as a model has allowed greater understanding of the complexities of organ abscission, but whether the regulatory pathways are conserved throughout the plant kingdom and for all organ abscission types is unknown. One important pathway that has attracted much attention involves a peptide ligand-receptor signalling system that consists of the secreted peptide IDA (INFLORESCENCE DEFICIENT IN ABSCISSION) and at least two leucine-rich repeat (LRR) receptor-like kinases (RLK), HAESA (HAE) and HAESA-LIKE2 (HSL2). In the current study we examine the bioactive potential of IDA peptides in two different abscission processes, leaf abscission in Populus and ripe fruit abscission in oil palm, and find in both cases treatment with IDA peptides enhances cell separation and abscission of both organ types. Our results provide evidence to suggest that the IDA–HAE–HSL2 pathway is conserved and functions in these phylogenetically divergent dicot and monocot species during both leaf and fruit abscission, respectively.
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Subjects: | F60 - Physiologie et biochimie végétale, F62 - Physiologie végétale - Croissance et développement, Populus, Elaeis guineensis, abscission, feuille, fruit (botanique), http://aims.fao.org/aos/agrovoc/c_6116, http://aims.fao.org/aos/agrovoc/c_2509, http://aims.fao.org/aos/agrovoc/c_25, http://aims.fao.org/aos/agrovoc/c_4243, http://aims.fao.org/aos/agrovoc/c_3119, |
Online Access: | http://agritrop.cirad.fr/594325/ http://agritrop.cirad.fr/594325/1/Tranbarger%20et%20al%202019%20Plants-08-00143%20%28EgIDA_Abscission%29.pdf |
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dig-cirad-fr-5943252024-01-29T02:26:57Z http://agritrop.cirad.fr/594325/ http://agritrop.cirad.fr/594325/ The PIP peptide of INFLORESCENCE DEFICIENT IN ABSCISSION enhances Populus leaf and Elaeis guineensis fruit abscission. Tranbarger Timothy John, Domonhedo Hubert, Cazemajor Michel, Dubreuil Carole, Fischer Urs, Morcillo Fabienne. 2019. Plants, 8:143, 8 p.https://doi.org/10.3390/plants8060143 <https://doi.org/10.3390/plants8060143> The PIP peptide of INFLORESCENCE DEFICIENT IN ABSCISSION enhances Populus leaf and Elaeis guineensis fruit abscission Tranbarger, Timothy John Domonhedo, Hubert Cazemajor, Michel Dubreuil, Carole Fischer, Urs Morcillo, Fabienne eng 2019 Plants F60 - Physiologie et biochimie végétale F62 - Physiologie végétale - Croissance et développement Populus Elaeis guineensis abscission feuille fruit (botanique) http://aims.fao.org/aos/agrovoc/c_6116 http://aims.fao.org/aos/agrovoc/c_2509 http://aims.fao.org/aos/agrovoc/c_25 http://aims.fao.org/aos/agrovoc/c_4243 http://aims.fao.org/aos/agrovoc/c_3119 The programmed loss of a plant organ is called abscission, which is an important cell separation process that occurs with different organs throughout the life of a plant. The use of floral organ abscission in Arabidopsis thaliana as a model has allowed greater understanding of the complexities of organ abscission, but whether the regulatory pathways are conserved throughout the plant kingdom and for all organ abscission types is unknown. One important pathway that has attracted much attention involves a peptide ligand-receptor signalling system that consists of the secreted peptide IDA (INFLORESCENCE DEFICIENT IN ABSCISSION) and at least two leucine-rich repeat (LRR) receptor-like kinases (RLK), HAESA (HAE) and HAESA-LIKE2 (HSL2). In the current study we examine the bioactive potential of IDA peptides in two different abscission processes, leaf abscission in Populus and ripe fruit abscission in oil palm, and find in both cases treatment with IDA peptides enhances cell separation and abscission of both organ types. Our results provide evidence to suggest that the IDA–HAE–HSL2 pathway is conserved and functions in these phylogenetically divergent dicot and monocot species during both leaf and fruit abscission, respectively. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/594325/1/Tranbarger%20et%20al%202019%20Plants-08-00143%20%28EgIDA_Abscission%29.pdf text cc_by info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by/4.0/ https://doi.org/10.3390/plants8060143 10.3390/plants8060143 info:eu-repo/semantics/altIdentifier/doi/10.3390/plants8060143 info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.3390/plants8060143 |
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F60 - Physiologie et biochimie végétale F62 - Physiologie végétale - Croissance et développement Populus Elaeis guineensis abscission feuille fruit (botanique) http://aims.fao.org/aos/agrovoc/c_6116 http://aims.fao.org/aos/agrovoc/c_2509 http://aims.fao.org/aos/agrovoc/c_25 http://aims.fao.org/aos/agrovoc/c_4243 http://aims.fao.org/aos/agrovoc/c_3119 F60 - Physiologie et biochimie végétale F62 - Physiologie végétale - Croissance et développement Populus Elaeis guineensis abscission feuille fruit (botanique) http://aims.fao.org/aos/agrovoc/c_6116 http://aims.fao.org/aos/agrovoc/c_2509 http://aims.fao.org/aos/agrovoc/c_25 http://aims.fao.org/aos/agrovoc/c_4243 http://aims.fao.org/aos/agrovoc/c_3119 |
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F60 - Physiologie et biochimie végétale F62 - Physiologie végétale - Croissance et développement Populus Elaeis guineensis abscission feuille fruit (botanique) http://aims.fao.org/aos/agrovoc/c_6116 http://aims.fao.org/aos/agrovoc/c_2509 http://aims.fao.org/aos/agrovoc/c_25 http://aims.fao.org/aos/agrovoc/c_4243 http://aims.fao.org/aos/agrovoc/c_3119 F60 - Physiologie et biochimie végétale F62 - Physiologie végétale - Croissance et développement Populus Elaeis guineensis abscission feuille fruit (botanique) http://aims.fao.org/aos/agrovoc/c_6116 http://aims.fao.org/aos/agrovoc/c_2509 http://aims.fao.org/aos/agrovoc/c_25 http://aims.fao.org/aos/agrovoc/c_4243 http://aims.fao.org/aos/agrovoc/c_3119 Tranbarger, Timothy John Domonhedo, Hubert Cazemajor, Michel Dubreuil, Carole Fischer, Urs Morcillo, Fabienne The PIP peptide of INFLORESCENCE DEFICIENT IN ABSCISSION enhances Populus leaf and Elaeis guineensis fruit abscission |
description |
The programmed loss of a plant organ is called abscission, which is an important cell separation process that occurs with different organs throughout the life of a plant. The use of floral organ abscission in Arabidopsis thaliana as a model has allowed greater understanding of the complexities of organ abscission, but whether the regulatory pathways are conserved throughout the plant kingdom and for all organ abscission types is unknown. One important pathway that has attracted much attention involves a peptide ligand-receptor signalling system that consists of the secreted peptide IDA (INFLORESCENCE DEFICIENT IN ABSCISSION) and at least two leucine-rich repeat (LRR) receptor-like kinases (RLK), HAESA (HAE) and HAESA-LIKE2 (HSL2). In the current study we examine the bioactive potential of IDA peptides in two different abscission processes, leaf abscission in Populus and ripe fruit abscission in oil palm, and find in both cases treatment with IDA peptides enhances cell separation and abscission of both organ types. Our results provide evidence to suggest that the IDA–HAE–HSL2 pathway is conserved and functions in these phylogenetically divergent dicot and monocot species during both leaf and fruit abscission, respectively. |
format |
article |
topic_facet |
F60 - Physiologie et biochimie végétale F62 - Physiologie végétale - Croissance et développement Populus Elaeis guineensis abscission feuille fruit (botanique) http://aims.fao.org/aos/agrovoc/c_6116 http://aims.fao.org/aos/agrovoc/c_2509 http://aims.fao.org/aos/agrovoc/c_25 http://aims.fao.org/aos/agrovoc/c_4243 http://aims.fao.org/aos/agrovoc/c_3119 |
author |
Tranbarger, Timothy John Domonhedo, Hubert Cazemajor, Michel Dubreuil, Carole Fischer, Urs Morcillo, Fabienne |
author_facet |
Tranbarger, Timothy John Domonhedo, Hubert Cazemajor, Michel Dubreuil, Carole Fischer, Urs Morcillo, Fabienne |
author_sort |
Tranbarger, Timothy John |
title |
The PIP peptide of INFLORESCENCE DEFICIENT IN ABSCISSION enhances Populus leaf and Elaeis guineensis fruit abscission |
title_short |
The PIP peptide of INFLORESCENCE DEFICIENT IN ABSCISSION enhances Populus leaf and Elaeis guineensis fruit abscission |
title_full |
The PIP peptide of INFLORESCENCE DEFICIENT IN ABSCISSION enhances Populus leaf and Elaeis guineensis fruit abscission |
title_fullStr |
The PIP peptide of INFLORESCENCE DEFICIENT IN ABSCISSION enhances Populus leaf and Elaeis guineensis fruit abscission |
title_full_unstemmed |
The PIP peptide of INFLORESCENCE DEFICIENT IN ABSCISSION enhances Populus leaf and Elaeis guineensis fruit abscission |
title_sort |
pip peptide of inflorescence deficient in abscission enhances populus leaf and elaeis guineensis fruit abscission |
url |
http://agritrop.cirad.fr/594325/ http://agritrop.cirad.fr/594325/1/Tranbarger%20et%20al%202019%20Plants-08-00143%20%28EgIDA_Abscission%29.pdf |
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