Published: Jan. 1, 2025
Language: Английский
Molecular Plant Pathology, Journal Year: 2023, Volume and Issue: 24(6), P. 651 - 668
Published: March 17, 2023
Abstract The pathogenesis‐related (PR) proteins of plants have originally been identified as that are strongly induced upon biotic and abiotic stress. These fall into 17 distinct classes (PR1–PR17). mode action most these PR has well characterized, except for PR1, which belongs to a widespread superfamily share common CAP domain. Proteins this family not only expressed in but also humans many different pathogens, including phytopathogenic nematodes fungi. associated with diverse range physiological functions. However, their precise remained elusive. importance immune defence is illustrated by the fact PR1 overexpression results increased resistance against pathogens. PR1‐like produced pathogens deletion genes reduced virulence, suggesting can exert both defensive offensive Recent progress revealed plant proteolytically cleaved release C‐terminal CAPE1 peptide, sufficient activate an response. signalling peptide blocked pathogenic effectors evade defence. Moreover, forms complexes other members, PR5, known thaumatin, PR14, lipid transfer protein, enhance host's Here, we discuss possible functions interactors, particularly light bind lipids, important
Language: Английский
Citations
72
South African Journal of Botany, Journal Year: 2023, Volume and Issue: 160, P. 414 - 427
Published: July 21, 2023
Language: Английский
Citations
35
Frontiers in Plant Science, Journal Year: 2024, Volume and Issue: 15
Published: Feb. 23, 2024
Systemic acquired resistance (SAR) is an inducible disease phenomenon in plant species, providing plants with broad-spectrum to secondary pathogen infections beyond the initial infection site. In Arabidopsis , SAR can be triggered by direct or treatment phytohormone salicylic acid (SA), as well its analogues 2,6-dichloroisonicotinic (INA) and benzothiadiazole (BTH). The SA receptor non-expressor of pathogenesis-related protein gene 1 (NPR1) serves a key regulator controlling signaling transduction. Similarly, common wheat ( Triticum aestivum ), analogue BTH induce powdery mildew, leaf rust, Fusarium head blight, other diseases. However, unlike model rice, SAR-like responses exhibit unique features regulatory pathways. (AR) induced Pseudomonas syringae pv. tomato strain DC3000 regulated NPR1 but effects are limited adjacent region same not systemic. On hand, systemic immunity (SI) Xanthomonas translucens cerealis Xtc ) japonica Psj controlled SA, rather closely associated jasmonate (JA), abscisic (ABA), several transcription factors. Furthermore, BTH-induced (BIR) partially depends on activation, leading broader stronger defense response. This paper provides systematic review research progress wheat, emphasizes role SAR, summarizes potential PR genes genetically modifying enhance resistance. lays important foundation for further analyzing molecular mechanism improving wheat.
Language: Английский
Citations
12
The Plant Journal, Journal Year: 2025, Volume and Issue: 121(3)
Published: Feb. 1, 2025
DICER-LIKE (DCL) proteins play a central role in plant small RNA (sRNA) biogenesis. The genome of the early land Marchantia polymorpha encodes four DCL proteins: MpDCL1a, MpDCL1b, MpDCL3, and MpDCL4. While MpDCL3 MpDCL4 show high similarities to their orthologs Physcomitrium patens Arabidopsis thaliana, MpDCL1b shares only limited homology with PpDCL1b, but it is very similar, terms functional domains, other moss fern species. We generated Mpdclge mutant lines for all MpDCL genes CRISPR/Cas9 system conducted phenotypic analyses under control, salt stress, phytohormone treatments uncover specific functions. mutants displayed severe developmental aberrations, altered responses phytohormones, disturbed sexual organ development. By combining mRNA sRNA analyses, we demonstrate that MpDCLs associated sRNAs pivotal roles regulating development, abiotic stress tolerance response M. polymorpha. identified MpDCL1a microRNA biogenesis, trans-acting interfering generation, regulation pathogen-related genes. Notably, sensitivity dependent on Mpdcl1bge display enhanced reduced miRNA expression stress. propose employs mechanisms miRNAs salinity conditions, potentially shared species harboring homologs.
Language: Английский
Citations
1
International Journal of Molecular Sciences, Journal Year: 2025, Volume and Issue: 26(5), P. 2087 - 2087
Published: Feb. 27, 2025
Nitric oxide (NO) is a gaseous free radical known to modulate plant metabolism through crosstalk with phytohormones (especially ABA, SA, JA, and ethylene) other signaling molecules (ROS, H2S, melatonin), regulate gene expression (by influencing DNA methylation histone acetylation) as well protein function post-translational modifications (cysteine S-nitrosation, metal nitrosation, tyrosine nitration, nitroalkylation). Recently, NO has gained attention molecule promoting crop resistance stress conditions. Herein, we review innovations from the field nanotechnology on an up-to-date phytopathological background.
Language: Английский
Citations
1
EMBO Reports, Journal Year: 2023, Volume and Issue: 25(1), P. 31 - 44
Published: Dec. 19, 2023
Abstract To combat microbial pathogens, plants have evolved specific immune responses that can be divided into three essential steps: recognition by receptors, signal transduction within plant cells, and execution directly suppressing pathogens. During the past decades, many receptors signaling components their mode of action been revealed, markedly advancing our understanding first two steps. Activation results in physical chemical actions actually stop pathogen infection. Nevertheless, this third step immunity is under explored. In addition to plants, recent evidence suggests microbiota, which considered an additional layer system, also plays a critical role direct suppression. review, we summarize current how as well microbiota control growth behavior highlight outstanding questions need answered.
Language: Английский
Citations
22
Critical Reviews in Biotechnology, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 9
Published: May 8, 2024
Climate change-related environmental stresses can negatively impact crop productivity and pose a threat to sustainable agriculture. Plants have remarkable innate ability detect broad array of cues, including that trigger stress-induced regulatory networks signaling pathways. Transcriptional activation plant pathogenesis related-1 (PR-1) proteins was first identified as an integral component systemic acquired resistance in response stress. Consistent with their central role immune defense, overexpression PR-1s diverse species is frequently used marker for salicylic acid (SA)-mediated defense responses. Recent advances demonstrated how virulence effectors, SA cascades, epigenetic modifications modulate PR-1 expression stresses. We others showed transcriptional involving could be improve resilience Together, the results these studies re-energized field provided long-awaited insights into possible function under extreme
Language: Английский
Citations
8
Advances in virus research, Journal Year: 2024, Volume and Issue: unknown, P. 77 - 212
Published: Jan. 1, 2024
Language: Английский
Citations
6
International Journal of Molecular Sciences, Journal Year: 2024, Volume and Issue: 25(13), P. 7255 - 7255
Published: July 1, 2024
Plant lipids are essential cell constituents with many structural, storage, signaling, and defensive functions. During plant-pathogen interactions, play parts in both the preexisting passive defense mechanisms pathogen-induced immune responses at local systemic levels. They interact various components of plant network can modulate positively negatively. Under biotic stress, lipid signaling is mostly associated oxygenated natural products derived from unsaturated fatty acids, known as oxylipins; among these, jasmonic acid has been great interest a specific mediator against necrotrophic pathogens. Although numerous studies have documented contribution oxylipins other lipid-derived species immunity, their roles interactions involvement require further elucidation. This review presents most relevant recent on molecules involved aim providing deeper insight into underpinning lipid-mediated regulation system.
Language: Английский
Citations
6
Current Biology, Journal Year: 2024, Volume and Issue: 34(10), P. 2049 - 2065.e6
Published: April 26, 2024
Plants rely on autophagy and membrane trafficking to tolerate stress, combat infections, maintain cellular homeostasis. However, the molecular interplay between is poorly understood. Using an AI-assisted approach, we identified Rab3GAP-like (Rab3GAPL) as a key node that controls plant negatively. Rab3GAPL suppresses by binding ATG8, core adaptor, deactivating Rab8a, small GTPase essential for autophagosome formation defense-related secretion. reduces autophagic flux in three model species, suggesting its negative regulatory role conserved land plants. Beyond regulation, modulates focal immunity against oomycete pathogen Phytophthora infestans preventing Altogether, our results suggest acts rheostat coordinate secretion restraining Rab8a-mediated trafficking. This unprecedented RabGAP-Rab pair ATG8 sheds new light intricate transport mechanisms underlying immunity.
Language: Английский
Citations
5