Root-knot nematodes induce gall formation by recruiting developmental pathways of post-embryonic organogenesis and regeneration to promote transient pluripotency

Root-knot nematodes induce gall formation by recruiting developmental pathways of post-embryonic organogenesis and regeneration to promote transient pluripotency

© 2020 The Authors. New Phytologist © 2020 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 227(2020), 1 vom: 01. Juli, Seite 200-215
1. Verfasser: Olmo, Rocío (VerfasserIn)
Weitere Verfasser: Cabrera, Javier, Díaz-Manzano, Fernando E, Ruiz-Ferrer, Virginia, Barcala, Marta, Ishida, Takashi, García, Alejandra, Andrés, María Fe, Ruiz-Lara, Simón, Verdugo, Isabel, Pernas, Mónica, Fukaki, Hidehiro, Del Pozo, Juan Carlos, Moreno-Risueno, Miguel Ángel, Kyndt, Tina, Gheysen, Godelieve, Fenoll, Carmen, Sawa, Shinichiro, Escobar, Carolina
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Meloidogyne spp. auxins calli cytokinins gall development lateral root pluripotency root meristem/regeneration mehr... Arabidopsis Proteins Cytokinins Indoleacetic Acids
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520 |a Root-knot nematodes (RKNs; Meloidogyne spp.) induce new post-embryogenic organs within the roots (galls) where they stablish and differentiate nematode feeding cells, giant cells (GCs). The developmental programmes and functional genes involved remain poorly defined. Arabidopsis root apical meristem (RAM), lateral root (LR) and callus marker lines, SHORT-ROOT/SHR, SCARECROW/SCR, SCHIZORIZA/SCZ, WUSCHEL-RELATED-HOMEOBOX-5/WOX5, AUXIN-RESPONSIVE-FACTOR-5/ARF5, ARABIDOPSIS-HISTIDINE PHOSPHOTRANSFER-PROTEIN-6/AHP6, GATA-TRANSCRIPTION FACTOR-23/GATA23 and S-PHASE-KINASE-ASSOCIATED-PROTEIN2B/SKP2B, were analysed for nematode-dependent expression. Their corresponding loss-of-function lines, including those for LR upstream regulators, SOLITARY ROOT/SLR/IAA14, BONDELOS/BDL/IAA12 and INDOLE-3-ACETIC-ACID-INDUCIBLE-28/IAA28, were tested for RKN resistance/tolerance. LR genes, for example ARF5 (key factor for root stem-cell niche regeneration), GATA23 (which specifies pluripotent founder cells) and AHP6 (cytokinin-signalling-inhibitor regulating pericycle cell-divisions orientation), show a crucial function during gall formation. RKNs do not compromise the number of founder cells or LR primordia but locally induce gall formation possibly by tuning the auxin/cytokinin balance in which AHP6 might be necessary. Key RAM marker genes were induced and functional in galls. Therefore, the activation of plant developmental programmes promoting transient-pluripotency/stemness leads to the generation of quiescent-centre and meristematic-like cell identities within the vascular cylinder of galls. Nematodes enlist developmental pathways of new organogenesis and/or root regeneration in the vascular cells of galls. This should determine meristematic cell identities with sufficient transient pluripotency for gall organogenesis 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Meloidogyne spp. 
650 4 |a auxins 
650 4 |a calli 
650 4 |a cytokinins 
650 4 |a gall development 
650 4 |a lateral root 
650 4 |a pluripotency 
650 4 |a root meristem/regeneration 
650 7 |a Arabidopsis Proteins  |2 NLM 
650 7 |a Cytokinins  |2 NLM 
650 7 |a Indoleacetic Acids  |2 NLM 
700 1 |a Cabrera, Javier  |e verfasserin  |4 aut 
700 1 |a Díaz-Manzano, Fernando E  |e verfasserin  |4 aut 
700 1 |a Ruiz-Ferrer, Virginia  |e verfasserin  |4 aut 
700 1 |a Barcala, Marta  |e verfasserin  |4 aut 
700 1 |a Ishida, Takashi  |e verfasserin  |4 aut 
700 1 |a García, Alejandra  |e verfasserin  |4 aut 
700 1 |a Andrés, María Fe  |e verfasserin  |4 aut 
700 1 |a Ruiz-Lara, Simón  |e verfasserin  |4 aut 
700 1 |a Verdugo, Isabel  |e verfasserin  |4 aut 
700 1 |a Pernas, Mónica  |e verfasserin  |4 aut 
700 1 |a Fukaki, Hidehiro  |e verfasserin  |4 aut 
700 1 |a Del Pozo, Juan Carlos  |e verfasserin  |4 aut 
700 1 |a Moreno-Risueno, Miguel Ángel  |e verfasserin  |4 aut 
700 1 |a Kyndt, Tina  |e verfasserin  |4 aut 
700 1 |a Gheysen, Godelieve  |e verfasserin  |4 aut 
700 1 |a Fenoll, Carmen  |e verfasserin  |4 aut 
700 1 |a Sawa, Shinichiro  |e verfasserin  |4 aut 
700 1 |a Escobar, Carolina  |e verfasserin  |4 aut 
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773 1 8 |g volume:227  |g year:2020  |g number:1  |g day:01  |g month:07  |g pages:200-215 
856 4 0 |u http://dx.doi.org/10.1111/nph.16521  |3 Volltext 
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