The chloroplast redox-responsive transcriptome of solanaceous plants reveals significant nuclear gene regulatory motifs associated to stress acclimation

Arce, Rocío C.; Carrillo, Néstor; Karlusich, Juan José Pierella

doi:10.1007/s11103-022-01240-5

Cited by 1 publication

(1 citation statement)

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“…An interesting link between plastid-derived ROS and the ethylene response was observed in potato plants expressing cyanobacterial plastid-targeted flavodoxin (fld) ( Arce et al , 2022 ). In their meta-analysis of transcriptional profiles from fld-expressing Solanaceae, the authors detected common cis -elements in the promoter regions of genes involved in ethylene metabolism as a main target group of down-regulated transcripts due to fld expression and presumably reduced ROS levels in these plants ( Arce et al , 2022 ). Unfortunately, the study lacked resolution to draw further conclusions for plastid-derived ROS and ethylene signaling, but in our opinion it is an additional reason to further investigate the relation between these.…”

Section: Ethylenementioning

confidence: 99%

Organelles and phytohormones: a network of interactions in plant stress responses

Bittner

Cieśla

Gruden

et al. 2022

Journal of Experimental Botany

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Phytohormones are major signaling components that contribute to nearly all aspects of plant life. They constitute an interconnected communication network to finetune growth and development in response to the ever-changing environment. To this end, they have to coordinate with other signaling components, such as reactive oxygen species (ROS) and calcium signals. Especially the two endosymbiotic organelles, plastids and mitochondria, control various aspects of phytohormone signaling and harbour important steps of hormone precursor biosynthesis. Vice versa, phytohormones have feedback actions on organellar functions. Besides that, organelles and phytohormones often act in parallel in a coordinated matter to regulate cellular functions. Therefore, linking organelle functions with the increasing knowledge about phytohormone biosynthesis, perception and signaling will reveal new aspects of plant stress tolerance. In this review, we high-light recent work on organelle-phytohormone interactions focusing on the major stress related hormones abscisic acid (ABA), jasmonates, salicylic acid (SA) and ethylene.

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Section: Ethylenementioning

confidence: 99%