Proteomic and metabolomic insights into seed germination of Ferula assa-foetida

Punia, Ashwani; Kumari, Manglesh; Chouhan, Monika; Saini, Vishal; Joshi, Robin; Kumar, Ashok; Kumar, Rajiv

doi:10.1016/j.jprot.2024.105176

Cited by 1 publication

(1 citation statement)

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“…In this study, McHB7 was overexpressed in the ice plant leaves. To reveal molecular changes following the overexpression (OE) of McHB7, the transgenic leaf materials were used for global proteomics and metabolomics, which have shown utility in understanding how plants respond to abiotic stresses [21,22]. Many proteins or metabolites in different pathways have been found to be differentially changed in the McHB7 OE plants under control and drought stress.…”

Section: Introductionmentioning

confidence: 99%

Transcription Factor McHB7 Improves Ice Plant Drought Tolerance through ABA Signaling Pathway

Zhang,

Cheng,

Fan

et al. 2024

IJMS

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As global climate change continues, drought episodes have become increasingly frequent. Studying plant stress tolerance is urgently needed to ensure food security. The common ice plant is one of the model halophyte plants for plant stress biology research. This study aimed to investigate the functions of a newly discovered transcription factor, Homeobox 7 (HB7), from the ice plant in response to drought stress. An efficient Agrobacterium-mediated transformation method was established in the ice plant, where ectopic McHB7 expression may be sustained for four weeks. The McHB7 overexpression (OE) plants displayed drought tolerance, and the activities of redox enzymes and chlorophyll content in the OE plants were higher than the wild type. Quantitative proteomics revealed 1910 and 495 proteins significantly changed in the OE leaves compared to the wild type under the control and drought conditions, respectively. Most increased proteins were involved in the tricarboxylic acid cycle, photosynthesis, glycolysis, pyruvate metabolism, and oxidative phosphorylation pathways. Some were found to participate in abscisic acid signaling or response. Furthermore, the abscisic acid levels increased in the OE compared with the wild type. McHB7 was revealed to bind to the promoter motifs of Early Responsive to Dehydration genes and abscisic acid-responsive genes, and protein–protein interaction analysis revealed candidate proteins responsive to stresses and hormones (e.g., abscisic acid). To conclude, McHB7 may contribute to enhance plant drought tolerance through abscisic acid signaling.

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Section: Introductionmentioning

confidence: 99%