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Muhammad Amjad Ali

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Muhammad Amjad Ali
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Muhammad Amjad Ali
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0000-0001-5381-7039

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2017 - 201922020 - 20213
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Now showing 1 - 5 of 5
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    Genetic resistance of wheat towards plant-parasitic nematodes: current status and future prospects
    (FCCRI, 2021) Seid, A.; Imren, M.; Muhammad Amjad Ali; Toumi, F.; Paulitz, T.C.; Dababat, A.A.
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    Characterization of potato golden cyst nematode populations (Globodera rostochiensis) in Turkey
    (Friends Science Publishers, 2020) Toktay, H.; Evlice, E.; Imren, M.; Özer, G.; Muhammad Amjad Ali; Dababat, A.A.
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    Resistance to cereal cyst nematodes in wheat and barley: an emphasis on classical and modern approaches
    (MDPI, 2019) Muhammad Amjad Ali; Mahpara Shahzadi; Adil Zahoor; Dababat, A.A.; Toktay, H.; Allah Bakhsh; Muhammad Azher Nawaz; Hongjie Li
    Cereal cyst nematodes (CCNs) are among the most important nematode pests that limit production of small grain cereals like wheat and barley. These nematodes alone are estimated to reduce production of crops by 10% globally. This necessitates a huge enhancement of nematode resistance in cereal crops against CCNs. Nematode resistance in wheat and barley in combination with higher grain yields has been a preferential research area for cereal nematologists. This usually involved the targeted genetic exploitations through natural means of classical selection breeding of resistant genotypes and finding quantitative trait luci (QTLs) associated with resistance genes. These improvements were based on available genetic diversity among the crop plants. Recently, genome-wide association studies have widely been exploited to associate nematode resistance or susceptibility with particular regions of the genome. Use of biotechnological tools through the application of various transgenic strategies for enhancement of nematode resistance in various crop plants including wheat and barley had also been an important area of research. These modern approaches primarily include the use of gene silencing, exploitation of nematode effector genes, proteinase inhibitors, chemodisruptive peptides and a combination of one or more of these approaches. Furthermore, the perspective genome editing technologies including CRISPR-Cas9 could also be helpful for improving CCN resistance in wheat and barley. The information provided in this review will be helpful to enhance resistance against CCNs and will attract the attention of the scientific community towards this neglected area.
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    Transgenic strategies for enhancement of nematode resistance in plants
    (Frontiers, 2017) Muhammad Amjad Ali; Azeem, F.; Amjab Abbas; Joyia, F.; Hongjie Li; Dababat, A.A.
    Plant parasitic nematodes (PPNs) are obligate biotrophic parasites causing serious damage and reduction in crop yields. Several economically important genera parasitize various crop plants. The root-knot, root lesion, and cyst nematodes are the three most economically damaging genera of PPNs on crops within the family Heteroderidae. It is very important to devise various management strategies against PPNs in economically important crop plants. Genetic engineering has proven a promising tool for the development of biotic and abiotic stress tolerance in crop plants. Additionally, the genetic engineering leading to transgenic plants harboring nematode resistance genes has demonstrated its significance in the field of plant nematology. Here, we have discussed the use of genetic engineering for the development of nematode resistance in plants. This review article also provides a detailed account of transgenic strategies for the resistance against PPNs. The strategies include natural resistance genes, cloning of proteinase inhibitor coding genes, anti-nematodal proteins and use of RNA interference to suppress nematode effectors. Furthermore, the manipulation of expression levels of genes induced and suppressed by nematodes has also been suggested as an innovative approach for inducing nematode resistance in plants. The information in this article will provide an array of possibilities to engineer resistance against PPNs in different crop plants.
    Publication