Publications by authors named "Taha Abd El Rahman"

Background: Genetic diversity, population structure, agro-morphological traits, and molecular characteristics, are crucial for either preserving genetic resources or developing new cultivars. Due to climate change, water availability for agricultural use is progressively diminishing. This study used 100 molecular markers (25 TRAP, 22 SRAP, 23 ISTR, and 30 SSR).

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Leguminous trees and saltbushes provide potential alternatives to conventional feeds to overcome feed deficiency in arid and semi-arid countries. However, these plants are rich in antinutritional factors that have adverse effects on rumen microbiota and the host- animal. Some rumen microbiota detoxifies plants' secondary metabolites; thus, understanding plant-microbe interaction in the rumen could improve the plants' utilization.

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Siderophores produced in soil by plant growth-promoting rhizobacteria (PGPRs) play several roles, including nutrient mobilizers and can be useful as plants defense elicitors. We investigated the role of a synthetic mixed ligand bis-catechol-mono-hydroxamate siderophore (SID) that mimics the chemical structure of a natural siderophore, fimsbactin, produced by spp. in the resistance against the phytopathogen DC3000 ( DC3000), in We first tested the antibacterial activity of SID against DC3000 .

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Plants use different immune pathways to combat pathogens. The activation of the jasmonic acid (JA)-signaling pathway is required for resistance against necrotrophic pathogens; however, to combat biotrophic pathogens, the plants activate mainly the salicylic acid (SA)-signaling pathway. SA can antagonize JA signaling and vice versa.

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Article Synopsis
  • Plants have developed complex ways to detect and respond to pathogen threats, with different signaling pathways activating depending on the type of pathogen present.
  • The necrotrophic pathogen Botrytis cinerea takes advantage of the antagonistic relationship between the salicylic acid (SA) and jasmonic acid (JA) signaling pathways to enhance its disease-causing ability in tomatoes.
  • B. cinerea produces an exopolysaccharide that triggers the SA pathway, which negatively impacts the JA pathway responsible for plant resistance, allowing the fungus to thrive and spread within the host.
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