Analysis of the Differences in Rhizosphere Microbial Communities and Pathogen Adaptability in Chili Root Rot Disease Between Continuous Cropping and Rotation Cropping Systems.

In chili cultivation, obstacles to continuous cropping significantly compromise crop yield and soil health, whereas crop rotation can enhance the microbial environment of the soil and reduce disease incidence. However, its effects on the diversity of rhizosphere soil microbial communities are not clear. In this study, we analyzed the composition and characteristics of rhizosphere soil microbial communities under chili continuous cropping (CC) and chili-cotton crop rotation (CR) using high-throughput sequencing technology.

Integrative identification of key genes governing wilt resistance in using machine learning and WGCNA.

Introduction: wilt, caused by , is one of the most devastating diseases affecting global cotton () production. Given the limited effectiveness of chemical control measures and the polygenic nature of resistance, elucidating the key genetic determinants is imperative for the development of resistant cultivars. In this study, we aimed to dissect the temporal transcriptional dynamics and regulatory mechanisms underlying response to infection.

6-Hydroxynicotinic Acid From Cucumis melo Inhibits Prehaustorium Formation in Phelipanche aegyptiaca via Disruption of Auxin Signalling Pathway.

Phelipanche aegyptiaca, a root holoparasitic weed, severely threatens agricultural productivity due to its detrimental effects. This species relies on a specialised organ, namely the haustorium, to extract nutrients from its host plants. The germination and haustorium formation of P.

IAA-Mediated Haustorium Formation in : Transcriptional Insights and Anti-Parasitic Strategies.

is an obligate root-parasitic weed that parasitizes crop roots, threatening the safety of agricultural production. However, the molecular mechanisms underlying the formation of haustorium remain largely unclear. Here, we employed transcriptomics to investigate the molecular events in haustorium formation induced by indole-3-acetic acid.

Corrigendum: MAPK and phenylpropanoid metabolism pathways involved in regulating the resistance of upland cotton plants to .

[This corrects the article DOI: 10.3389/fpls.2024.

The Analysis of the Glycosyltransferase Activity Gene Family in and Functional Verification of Conferring Resistance to Verticillium Wilt.

Glycosyltransferases () play an important role in plant growth and development, as well as responses to biotic and abiotic stresses. However, the function of the family in cotton resistance to Verticillium wilt is limited. In the present study, transcriptome analysis revealed eight upregulated in susceptible cotton varieties and downregulated in resistant cotton varieties during early inoculation, indicating they were involved in regulating the infection of in cotton.

Identification of Mycoviruses in : Potential Biocontrol Agents for Walnut Canker.

Walnut canker is a common disease in the Xinjiang Uygur autonomous region of China, which is caused by . To date, there is no effective control measure for this disease. Infection with mycoviruses has been widely proven to reduce the virulence of plant pathogenic fungi, with some mycoviruses even serving as potential biological control agents for plant diseases.

Secretory Proteins Are Involved in the Parasitism of Melon by During the Attachment Stage.

Parasitic plants represent a significant challenge in global agriculture, with Broomrape (/ spp.) being a notable example of a holoparasitic species that targets the roots of host plants. This study employed comparative transcriptomics to investigate the mechanisms underlying the parasitism of on melon, focusing on both resistant and susceptible interactions.

Isolation of Haustorium Protoplasts Optimized by Orthogonal Design for Transient Gene Expression in .

The efficient protoplast transient transformation system in plants is an important tool to study gene expression, metabolic pathways, and various mutagenic parameters, but it has not been established in . As a root parasitic weed that endangers the growth of 29 species of plants in 12 families around the world, there is still no good control method for . Even the parasitic mechanisms of and the related genes regulating parasitism are not yet understood.

Jasmonate ZIM Domain Protein () Gene Increases Resistance to in Tomato.

Pers. is a holoparasitic plant that severely reduces tomato ( L.) production in China.

Integrated Transcriptome and Proteome Analysis Reveals That Cell Wall Activity Affects Parasitism.

can infect many crops, causing large agricultural production losses. It is important to study the parasitism mechanism of to control its harm. In this experiment, the HY13M and TE9M from Tacheng Prefecture and Hami City in Xinjiang, respectively, were used to analyze the parasitical mechanism of by means of transcriptome and proteome analyses.

Identification of Mycoviruses in the Pathogens of Fragrant Pear Valsa Canker from Xinjiang in China.

As a common disease, canker seriously affects the yield and quality of fragrant pear due to the lack of effective control measures. Some fungi have been reported to harbor rich reservoirs of viral resources, and some mycoviruses can be used as biocontrol agents against plant diseases. In this study, 199 isolates were obtained from diseased branches of fragrant pear in the main production areas of Xinjiang.

Identification and genetic diversity analysis of broomrape in Xinjiang, China.

Background: As a holoparasitic weed, broomrape has seriously threatened the production of economically important crops, such as melon, watermelon, processed tomato, and sunflower, in Xinjiang in recent years. However, the distribution and genetic diversity of broomrape populations in Xinjiang are not clear at present, which hinders their prevention and control. The purpose of this study was to identify the main species and the genetic differentiation structure of the broomrape population in Xinjiang.

Different responses of the rhizosphere microbiome to infection in two cotton cultivars.

Verticillium wilt is a disastrous disease caused by that severely damages the production of cotton in China. Even under homogeneous conditions, the same cotton cultivar facing tends to either stay healthy or become seriously ill and die. This binary outcome may be related to the interactions between microbiome assembly and plant health.

Detection of Secreted Effector Proteins from During Invasion of Melon Roots.

Parasites can interact with their host plants through the induction and delivery of secreted effector proteins that facilitate plant colonization by decomposing plant cell walls and inhibiting plant immune response to weaken the defense ability of the host. Yet effectors mediating parasitic plant-host interactions are poorly understood. is an obligate root parasite plant causing severe yield and economic losses in agricultural fields worldwide.

Phenotypic and histological analyses on the resistance of melon to .

Melon ( L.) is an economically important crop in Xinjiang, China, but its production is constrained by the parasitic plant that attaches to the roots of many crops and causes severe stunting and loss of yield. Rhizotron, pot, and field experiments were employed to evaluate the resistance of 27 melon cultivars to .

Discovery of ZQ-, a Novel Starting Point To Develop Inhibitors against the Potent Molecular Target Chitinase.

In a previous study, we found that compound ZQ- had a strong impact on the growth and development of . However, the mechanism and target of ZQ- are not clear, which makes it difficult to optimize the structure of this compound. In this study, the preliminary mode of action of ZQ- was studied through RNA sequencing and molecular docking.

Characterization of Rhizosphere Microbial Communities for Disease Incidence and Optimized Concentration of Difenoconazole Fungicide for Controlling of Wheat Dwarf Bunt.

Rhizosphere soil microorganisms have great agricultural importance. To explore the relationship between rhizosphere microorganisms and the disease incidence, and to optimize the concentration of difenoconazole fungicide for the control of wheat dwarf bunt, caused by Kühn, the rhizosphere microorganisms were characterized based on sequencing methods. We found that the disease incidence correlated with the relative abundance of some microbial communities, such as Acidobacteria, Nocardioides, Roseiflexaceae, Pyrinomonadaceae, and Gemmatimonadaceae.

Herbicidal secondary metabolites from Bacillus velezensis JTB8-2 against Orobanche aegyptiaca.

Egyptian broomrape (Orobanche aegyptiaca) is a parasitic plants that cause significant losses to important crops. The effective methods for controlling this weed are rare. Biological control could be one of the possible strategies to tackle these weeds efficiently.

Identification of risk areas for and in China, based on the major host plant and CMIP6 climate scenarios.

Parasitic broomrape of the genus poses a formidable threat to producing many crops in Europe, Africa, and Asia. and are two of China's most destructive root parasitic plants, causing extreme sunflower, tomato, melon, and tobacco damage. However, the potentially suitable areas of .

Lipopeptide production by Bacillus atrophaeus strain B44 and its biocontrol efficacy against cotton rhizoctoniosis.

Objectives: An assay was conducted to show the comparisons the effects of nine metal ions on antagonistic metabolites (lipopeptides, siderophores and gibberellins) by Bacillus atrophaeus strain B44 using well-diffusion assays, matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF-MS) analysis, chrome azurol S plus mannitol salt agar (CAS-MSA) tests, and reversed-phase high-performance liquid chromatography (RP-HPLC) analysis. This assay is also designed to demonstrate the biocontrol efficacy of B44 against cotton rhizoctoniosis using pot culture tests.

Results: Both the lipopeptide yield and the antimicrobial activity of B44 increase with the MnSO, MgSO, CaCO, and CuSO treatments and either have no effect or decreased lipopeptide yield and antimicrobial activity with the FeSO, KHPO, KCl, KHPO and ZnSO treatments.

Transcriptome analysis of wheat spikes in response to Tilletia controversa Kühn which cause wheat dwarf bunt.

Wheat dwarf bunt is caused by Tilletia controversa Kühn, which is one of the most destructive diseases of wheat worldwide. To explore the interaction of T. controversa and wheat, we analysed the transcriptome profile of spikes of the susceptible wheat cultivar Dongxuan 3, which was subjected to a T.

Development of droplet digital PCR for the detection of Tilletia laevis, which causes common bunt of wheat, based on the SCAR marker derived from ISSR and real-time PCR.

Common bunt of wheat caused by Tilletia laevis and/or T. caries (syn. T.