Regulation of BcMYB44 on Anthocyanin Synthesis and Drought Tolerance in Non-Heading Chinese Cabbage (Brassica campestris ssp. chinensis Makino) DOI Creative Commons

Yuli Hao,

Jianjun Wang, Chunmei Hu

et al.

Horticulturae, Journal Year: 2022, Volume and Issue: 8(5), P. 351 - 351

Published: April 20, 2022

The purpose of this study was to explore the regulation BcMYB44 on anthocyanin synthesis and drought tolerance non-heading Chinese cabbage. gene cloned from purple inbred line ‘NJZX1-3’ its green mutant ‘NJZX1-0’. Sequence analysis confirmed that belongs R2R3-MYB family has highest homology with BnMYB44. Subcellular localization revealed is a nuclear protein. Yeast two-hybrid (Y2H) Bimolecular Fluorescent Complimentary (BiFC) experiments showed interacts BcPAP1 BcEGL3. Pigment detection protein activity in N. benthamiana indicates plays negative regulatory role by inhibiting expression key structural genes (F3H, DFR, etc.) synthesis. Virus-induced silencing (VIGS) further inhibition. Analysis cabbage based VIGS pTY-S plants are more resistant than pTY-BcMYB44 plants. results indicate positive stress, which most likely achieved accumulation, regulating stomatal movement, improving osmotic homeostasis reactive oxygen species (ROS).

Language: Английский

Can Nanofertilizers Mitigate Multiple Environmental Stresses for Higher Crop Productivity? DOI Open Access
Tarek Shalaby, Yousry Bayoumi, Yahya Eid

et al.

Sustainability, Journal Year: 2022, Volume and Issue: 14(6), P. 3480 - 3480

Published: March 16, 2022

The global food production for the worldwide population mainly depends on huge contributions of agricultural sector. cultivated crops foods need various elements or nutrients to complete their growth, and these are indirectly consumed by humans. During this production, several environmental constraints stresses may cause losses in production. These obstacles include abiotic biotic stresses, which have already been studied both individual combined cases. However, there very few studies multiple stresses. On basis myriad benefits nanotechnology agriculture, nanofertilizers (or nanonutrients) become promising tools sustainability. Nanofertilizers also proper solution overcoming health problems that can result from conventional fertilizers. role has increased, especially under different individual, combined, most commonly nature; however, still needed stress levels. play a crucial supporting plants improving plant yield, quantitatively qualitatively. Similar other biological issues, many open-ended questions require further investigation: Is right time era agriculture? Will be dominant source modern Are nanofertilizers, particularly synthesized ones, magic sustainable What expected damages plants?

Language: Английский

Citations

59

An R2R3 MYB gene GhMYB3 functions in drought stress by negatively regulating stomata movement and ROS accumulation DOI
Ning Zhu,

Bailin Duan,

Hongli Zheng

et al.

Plant Physiology and Biochemistry, Journal Year: 2023, Volume and Issue: 197, P. 107648 - 107648

Published: March 23, 2023

Language: Английский

Citations

25

MYB transcription factors in plants: A comprehensive review of their discovery, structure, classification, functional diversity and regulatory mechanism DOI
Xiaoyi Wu,

Xia Meng,

Ping Su

et al.

International Journal of Biological Macromolecules, Journal Year: 2024, Volume and Issue: 282, P. 136652 - 136652

Published: Oct. 18, 2024

Language: Английский

Citations

10

MYB transcription factors: Acting as molecular switches to regulate different signaling pathways to modulate plant responses to drought stress DOI Creative Commons
Xiao Wang,

Han Wei,

Kaitong Wang

et al.

Industrial Crops and Products, Journal Year: 2025, Volume and Issue: 226, P. 120676 - 120676

Published: Feb. 19, 2025

Language: Английский

Citations

1

Transcription factor PgCDF2 enhances heat tolerance of Physalis grisea by activating heat shock transcription factors PgHSFA1 and PgHSFB3 DOI Open Access

Pengwei Jing,

Haimeng Zhang,

Ruxin Wang

et al.

The Plant Journal, Journal Year: 2025, Volume and Issue: 121(5)

Published: March 1, 2025

High temperature influence flower bud differentiation in Physalis grisea, resulting the production of deformed fruits and affects fruit yield quality. However, molecular mechanisms underlying response P. grisea to heat stress (HS) remain unclear. In this study, HS treatment dynamic transcriptome analysis identified PgCDF2-PgHSFA1/PgHSFB3 transcriptional regulatory module as playing a key role HS. Gene Ontology (GO) enrichment analysis, regulation prediction, weighted correlation network (WGCNA) (HS)-responsive data three genes, PgCDF2, PgHSFA1 PgHSFB3, components grisea. The expression levels PgHSFA1, PgHSFB3 were up-regulated following exposure Silencing resulted reduced tolerance altered reactive oxygen species Dual-luciferase assay Electrophoretic Mobility Shift Assay (EMSA) results indicate that PgCDF2 binds promoters activate their expression. inhibited also summary, under HS, enhances by activating PgHSFB3. This study clarifies providing theoretical basis for more in-depth response.

Language: Английский

Citations

1

The CsMYB44‐csi‐miR0008CsCER1 module regulates cuticular wax biosynthesis and drought tolerance in citrus DOI Open Access

Jingheng Xie,

Yang Li, Wei Hu

et al.

New Phytologist, Journal Year: 2025, Volume and Issue: unknown

Published: March 27, 2025

Cuticular wax covering aboveground organs serves as the first line of defense shielding plants from nonstomatal water loss and diverse environmental stresses. While there have been several wax-related genes identified, molecular mechanisms responsible for control biosynthesis remain poorly understood in citrus, particularly at posttranscriptional level. Here, we demonstrated that CsMYB44-csi-miR0008-CsCER1 module is regulating drought tolerance citrus through its cuticular biosynthesis. In this study, microRNA (miRNA) sequencing analyses 'Newhall' navel oranges wax-deficient 'Ganqi 3' mutant variety led to identification a novel biosynthesis-related miRNA, csi-miR0008. csi-miR0008 suppresses expression CsCER1, an aldehyde decarbonylase-encoding gene associated with n-alkane The leaves csi-miR0008-silencing CsCER1-overexpressing exhibited increases total levels, pronounced contributing enhanced tolerance. csi-miR0008-overexpressing CsCER1-silencing opposite phenotypes. CsMYB44 was confirmed promote accumulation by directly inhibiting Taken together, our study offers new insight into biosynthesis, while also providing foundation breeding varieties exhibiting

Language: Английский

Citations

1

Tolerance to combined drought and heat stress in edamame is associated with enhanced antioxidative responses and cell wall modifications DOI Creative Commons
Jeremiah M. Hlahla, Mpho S. Mafa, Rouxléne van der Merwe

et al.

Physiologia Plantarum, Journal Year: 2025, Volume and Issue: 177(2)

Published: March 1, 2025

Drought and heat stress often co-occur in nature, their combined effects are a major driver of crop losses, causing more severe damage to plant metabolism than when they occur individually. This study investigates the responses three edamame cultivars (AGS429, UVE14, UVE17) drought (DH) stress, with emphasis on reactive oxygen species (ROS), antioxidative mechanisms cell wall modifications. Malondialdehyde (MDA), electrolyte leakage (EL), hydrogen peroxide (H2O2) were used measure oxidative membrane damage. The non-enzymatic (ascorbic acid, AsA) enzymatic (superoxide dismutase, ascorbate peroxidase (APX), guaiacol peroxidase, glutathione reductase) antioxidant determined spectrophotometrically. Cell biomass composition (cellulose, hemicellulose, lignin, phenols) was using Fourier transform Infrared Spectroscopy spectrophotometry. Ascorbate activity AsA content DH-stressed AGS429 at flowering strongly correlated reduced lipid peroxidation (r2 = -0.97 - 0.98). Cultivar UVE14 accumulated high under DH both growth stages, which, turn, positively associated total phenolic 0.97), APX activity, holocellulose, suggesting enhanced ROS-dependent polymerisation. On contrary, poor ROS quenching UVE17 led MDA accumulation (p ≤ 0.05), leading EL cellulose synthesis pod-filling -0.88). Therefore, physio-biochemical level, showed tolerance through modifications, while susceptible. Identifying key biochemical traits linked offers novel insights for breeding resilient cultivars.

Language: Английский

Citations

1

Recent Advanced Metabolic and Genetic Engineering of Phenylpropanoid Biosynthetic Pathways DOI Open Access
Muhammad Anwar,

Liu Chen,

Yibo Xiao

et al.

International Journal of Molecular Sciences, Journal Year: 2021, Volume and Issue: 22(17), P. 9544 - 9544

Published: Sept. 3, 2021

The MYB transcription factors (TFs) are evolving as critical role in the regulation of phenylpropanoid and tanshinones biosynthetic pathway. TFs relate to a very important gene family, which involved primary secondary metabolisms, terpenoids, bioactive compounds, plant defense against various stresses cell morphology. R2R3 contained conserved N-terminal domain, but domain at C-terminal sorts them different regarding their structures functions. suppressors generally possess particular repressive motifs, such pdLNLD/ELxiG/S TLLLFR, contribute suppression through diversity complex regulatory mechanisms. A novel flower specific "NF/YWSV/MEDF/LW" motif has great potential understand mechanisms development. In current review, we summarize recent advanced progress on regulation, posttranscriptional, microRNA, propose directions future prospective research. We further suggest there should be more focus investigation for microalgae, heterologous protein expression system perspectives.

Language: Английский

Citations

45

Exogenous melatonin ameliorates heat damages by regulating growth, photosynthetic efficiency and leaf ultrastructure of carnation DOI

Diandian Hu,

Xiaojing Zhang,

Pengcheng Xue

et al.

Plant Physiology and Biochemistry, Journal Year: 2023, Volume and Issue: 198, P. 107698 - 107698

Published: April 10, 2023

Language: Английский

Citations

21

ABI5 promotes heat stress-induced chlorophyll degradation by modulating the stability of MYB44 in cucumber DOI Creative Commons
Weikang Liu,

Guangling Chen,

Ming-Ming He

et al.

Horticulture Research, Journal Year: 2023, Volume and Issue: 10(6)

Published: May 4, 2023

Abstract The yellowing of leaves caused by the decomposition chlorophyll (Chl) is a characteristic event during senescence, which can be induced various environmental stresses. However, molecular mechanisms high temperature-induced Chl degradation in horticultural plants remain poorly understood. Here, we found that heat stress and expression ABI5 MYB44 cucumber. Silencing compromised stress-induced degradation, transcription pheophytinase (PPH) pheophorbide oxygenase (PAO), two key genes catabolic pathway, but silencing exhibited opposite results. Furthermore, interacted with vitro vivo. positively regulated through pathways. directly bound to PPH PAO promoters promote their expression, leading accelerating degradation. On other hand, interaction between reduced binding led ubiquitination-depended protein MYB44, thereby alleviating inhibitory effect on PAO. Taken together, our findings propose new regulatory network for regulating

Language: Английский

Citations

21