Review: Rice Blast Disease
Saleh Ahmed Shahriar,Abdullah All Imtiaz,Md. Belal Hossain,Asmaul Husna,Most. Nurjahan Khatun Eaty +4 more
TLDR
Genetic heterogeneity of M. grisea should be taken into account when screening blast resistant rice genotypes through morphological Review Article Shahriar et al.Abstract:
Rice blast caused by Magnaporthe grisea is the major damaging disease in nearly all rice growing nations. Economically relevance with 60 percent of total population of world depending on rice as the main source of calories, may have destructive effects of the disease, however, this pathogen has developed into a pioneering model system for researching host-pathogen interactions. The disease outbreak depends on the weather and climatic conditions of the various regions. The disease's occurrence and symptoms vary from country to country. Susceptible cultivars cause huge rice production loss in yield. The principal cause of resistance breakdown in rice against rice blast disease is pathogenic variability. During sexual hybridization, pathogenic changes may provide evidence of pathogenic variation found at the asexual stage of the fungus. The virulent pathotypes cause severe disease incidence. Only through pathogenicity research the pathotypes can be determined using a collection of different rice varieties that are usually different carrying various resistance genes. Rice breeders now have a number of resistant genes however, most of the breeding programs emphasized upon monogenic resistance. Genetic heterogeneity of M. grisea should be taken into account when screening blast resistant rice genotypes through morphological Review Article Shahriar et al.; ARRB, 35(1): 50-64, 2020; Article no.ARRB.55041 51 analysis, pathogenicity and molecular characterization. Knowledge on the virulence of the rice blast and host resistant is essential for managing the disease. Cultivation of resistant varieties with chemical control is highly effective against blast pathogens.read more
Citations
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Journal ArticleDOI
Molecular virulence determinants of Magnaporthe oryzae: disease pathogenesis and recent interventions for disease management in rice plant
TL;DR: A major concern for the loss in yield of rice crop across the globe, Magnaporthe oryzae, causative agent of the rice blast disease, is a major concern.
Journal ArticleDOI
Rice Blast Disease (Magnaporthe oryzae): A Menace to Rice Production and Humanity
TL;DR: The fundamentals of rice blast disease (Magnaporthe oryzae) are examined and strategies to minimize the disease activities to ensure proper production and increase the supply of rice grains are offered.
Journal ArticleDOI
Identification of Pyruvate Dehydrogenase E1 as a Potential Target against Magnaporthe oryzae through Experimental and Theoretical Investigation
TL;DR: In this article, the effect of Isobavachalcone (IBC) on the metabolic pathway of M. oryzae was explored by transcriptome profiling, which revealed that IBC has π-π stacking interactions with residue TYR139 and undergoes hydrogen bonding with residue ASP217 of PDHE1.
Journal ArticleDOI
Gamma-irradiated fenugreek extracts mediates resistance to rice blast disease through modulating histochemical and biochemical changes.
Tanzeembanu D. Gajbar,Milan V. Kamble,Shivakantkumar Adhikari,Narasimhamurthy Konappa,Praveen Satapute,Sudisha Jogaiah +5 more
TL;DR: The impact of gamma radiation on the activation of rice innate immunity to blast disease caused by Magnaporthe oryzae is described in this article, where fenugreek seed extracts radiated with different doses of gamma rays were examined for their presence of biocompounds as well as for its ability to induce plant growth promotion and resistance against rice blast disease.
Journal ArticleDOI
Linkage of SSR markers with rice blast resistance and development of partial resistant advanced lines of rice (Oryza sativa) through marker-assisted selection
Sheikh Arafat Islam Nihad,Mohammad Kamrul Hasan,Amirul Kabir,Md. Al-Imran Hasan,Rejwan Bhuiyan,Mohd Rafii Yusop,Muhammad Latif +6 more
TL;DR: In this paper , a cross was made between a high yielding but blast susceptible variety MR263 and a blast resistant variety Pongsu seribu 2.1 to develop blast resistant lines.
References
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On the Trail of a Cereal Killer: Exploring the Biology of Magnaporthe grisea
TL;DR: Recent progress toward understanding the molecular biology of plant infection by M. grisea is reviewed, which involves development of a specialized cell, the appressorium, which generates enormous turgor pressure and physical force, allowing the fungus to breach the host cuticle and invade plant tissue.
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TL;DR: This work shows how functional genomics approaches are providing new insight into the genetic control of plant infection by M. oryzae, and looks ahead to the key questions that need to be addressed to provide a better understanding of the molecular processes that lead to plant disease and the prospects for sustainable control of rice blast.
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