Native Trichoderma Induced the Defense-Related Enzymes and Genes in Rice against Xanthomonas oryzae pv. oryzae ( Xoo )

The application of is a form of biological control that has been effective in combating pv. , the causative agent of the devastating disease known as bacterial blight of rice. In this present study, four strains of viz., (BDISOF67) (BDISOF91), (BDISOF08), and (BDISOF09), were collected from the rice...

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Published in:Plants (Basel) 2023-04, Vol.12 (9), p.1864
Main Authors: Islam, Md Rashidul, Chowdhury, Rabin, Roy, Arpita Saha, Islam, Md Nazmul, Mita, Mamuna Mahjabin, Bashar, Samrin, Saha, Plabon, Rahat, Ridwan Ahmed, Hasan, Mehedi, Akter, Mst Arjina, Alam, Md Zahangir, Latif, Md Abdul
Format: Article
Language:English
Subjects:
Abiotic stress
Acids
antimicrobial activity
bacterial blight
Biological control
Biosynthesis
Blight
defense signaling
Enzymes
Fungi
Genes
Inoculation
Liquid oxygen
Pathogenesis
Pathogens
Plant resistance
Proteins
resistance
Rhizosphere
Rice
Strains (organisms)
Trichoderma
Xanthomonas oryzae
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Summary:The application of is a form of biological control that has been effective in combating pv. , the causative agent of the devastating disease known as bacterial blight of rice. In this present study, four strains of viz., (BDISOF67) (BDISOF91), (BDISOF08), and (BDISOF09), were collected from the rice rhizosphere and used to test their potentiality in reducing bacterial blight. The expression patterns of several core defense-related enzymes and genes related to SA and JA pathways were studied to explore the mechanism of induced resistance by those strains. The results primarily indicated that all were significantly efficient in reducing the lesion length of the leaf over rice check variety (IR24) through enhancing the expression of core defense-related enzymes, such as PAL, PPO, CAT, and POD activities by 4.27, 1.77, 3.53, and 1.57-fold, respectively, over control. Moreover, the results of qRT-PCR exhibited an upregulation of genes , , , , , , and after 24 h of inoculation with all tested strains. However, in the case of RT-PCR, no major changes in and expression were observed in plants treated with different strains during different courses of time. Collectively, induced resistance in rice against pv. by triggering these core defense-related enzymes and genes associated with SA and JA pathways.
ISSN:2223-7747
2223-7747
DOI:10.3390/plants12091864