Overview on century progress in research on mosaic disease of apple (Malus domestica Borkh) incited by apple mosaic virus/apple necrotic mosaic virus

Manzoor, Subaya; Nabi, Sajad Un; Verma, Mahendra Kumar; Parveen, Shazia; RATHER, TARIQ RASOOL; Raja, Wasim; Shafi, Mansoor

doi:10.1016/j.virol.2023.109846

Cited by 3 publications

(1 citation statement)

References 84 publications

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“…Apple mosaic virus (ApMV) and a recently reported novel virus, apple necrotic mosaic virus (ApNMV), linked to mosaic disease in apples, represent a significant economic threat to the apple industry ( Nabi et al, 2020 ). Viral infections affect the entire plant system, are systemic, and are capable of affecting the overall health of orchards ( Manzoor et al, 2023 ; Nabi et al, 2023 ). The Geminiviridae single-stranded DNA viruses are represented by two viruses: tomato yellow leaf curl virus (TYLCV) and african cassava mosaic virus (ACMV), both of which have enormous economic importance and cause huge economic losses, much of which is exacerbated by efficient transmission via whitefly vectors.…”

Section: Impact Of Various Fungal Viral Bacterial Diseases On Economi...mentioning

confidence: 99%

Advancing crop disease resistance through genome editing: a promising approach for enhancing agricultural production

Manzoor,

Nabi,

Rather

et al. 2024

Front. Genome Ed.

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Modern agriculture has encountered several challenges in achieving constant yield stability especially due to disease outbreaks and lack of long-term disease-resistant crop cultivars. In the past, disease outbreaks in economically important crops had a major impact on food security and the economy. On the other hand climate-driven emergence of new pathovars or changes in their host specificity further poses a serious threat to sustainable agriculture. At present, chemical-based control strategies are frequently used to control microbial pathogens and pests, but they have detrimental impact on the environment and also resulted in the development of resistant phyto-pathogens. As a replacement, cultivating engineered disease-resistant crops can help to minimize the negative impact of regular pesticides on agriculture and the environment. Although traditional breeding and genetic engineering have been instrumental in crop disease improvement but they have certain limitations such as labour intensity, time consumption, and low efficiency. In this regard, genome editing has emerged as one of the potential tools for improving disease resistance in crops by targeting multiple traits with more accuracy and efficiency. For instance, genome editing techniques, such as CRISPR/Cas9, CRISPR/Cas13, base editing, TALENs, ZFNs, and meganucleases, have proved successful in improving disease resistance in crops through targeted mutagenesis, gene knockouts, knockdowns, modifications, and activation of target genes. CRISPR/Cas9 is unique among these techniques because of its remarkable efficacy, low risk of off-target repercussions, and ease of use. Some primary targets for developing CRISPR-mediated disease-resistant crops are host-susceptibility genes (the S gene method), resistance genes (R genes) and pathogen genetic material that prevents their development, broad-spectrum disease resistance. The use of genome editing methods has the potential to notably ameliorate crop disease resistance and transform agricultural practices in the future. This review highlights the impact of phyto-pathogens on agricultural productivity. Next, we discussed the tools for improving disease resistance while focusing on genome editing. We provided an update on the accomplishments of genome editing, and its potential to improve crop disease resistance against bacterial, fungal and viral pathogens in different crop systems. Finally, we highlighted the future challenges of genome editing in different crop systems for enhancing disease resistance.

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Section: Impact Of Various Fungal Viral Bacterial Diseases On Economi...mentioning

confidence: 99%

Advancing crop disease resistance through genome editing: a promising approach for enhancing agricultural production

Manzoor,

Nabi,

Rather

et al. 2024

Front. Genome Ed.

Self Cite

View full text Add to dashboard Cite

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Comparative biochemical and physiological responses to the virus-induced mosaic disease in apple (Malus domestica)

Manzoor,

Nabi,

Rather

et al. 2024

J Plant Dis Prot

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Characterization of Fungal Species Isolated from Cankered Apple Barks Demonstrates the Alternaria alternata Causing Apple Canker Disease

Li,

Zhang

et al. 2024

JoF

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Apple canker disease, also named as apple Valsa canker, is one of the most destructive diseases for apples (Malus domestica Borkh.). Cytospora/Valsa spp. are the dominant causal agent of this disease, but many studies have revealed that fungi from some other genus can also cause typical apple canker symptoms. In this study, we performed fungal pathogen isolation from cankered ‘Fuji’ apple barks. Six representative morphologically different fungi (Strain 1–6) were further subjected to ITS sequencing and evolutionary analysis. Molecular identification results revealed that Strains 1–6 are Cytospora mali, Fusarium cf. solani, Alternaria alternata, C. mali, Diplodia seriata and F. proliferatum, respectively. All these fungi have been reported to be causal agents of apple diseases. By inoculating fungal plugs onto trunks of ‘Fuji’ apple trees, the pathogenicity of the six fungi were accessed. Only the inoculations of the two C. mali strains (Strain 1 and Strain 4) and the A. alternata strain (Strain 3) resulted in typical apple canker symptoms in trunks. It is worth noting that Strain 1 caused much more severe canker symptoms and higher pathogenicity incidence than the other two fungi. A. alternata has been identified as a pathogen causing diseases on apple fruits and leaves. By further assessing its pathogenicity on apple fruits and leaves, we verified that it can also cause typical fruit rot and leaf spot symptoms. To the best of our knowledge, this is the first report on apple canker disease caused by A. alternata in China. Our present study can provide a theoretical foundation for the prevention and control of apple canker disease.

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Overview on century progress in research on mosaic disease of apple (Malus domestica Borkh) incited by apple mosaic virus/apple necrotic mosaic virus

Cited by 3 publications

References 84 publications

Advancing crop disease resistance through genome editing: a promising approach for enhancing agricultural production

Advancing crop disease resistance through genome editing: a promising approach for enhancing agricultural production

Comparative biochemical and physiological responses to the virus-induced mosaic disease in apple (Malus domestica)

Characterization of Fungal Species Isolated from Cankered Apple Barks Demonstrates the Alternaria alternata Causing Apple Canker Disease

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