Effector Arsenal of Plant Parasites and Ecological Implications

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Protection and Biotic Interactions".

Deadline for manuscript submissions: closed (20 January 2023) | Viewed by 2448

Special Issue Editor


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Guest Editor
Evolutionary and Population Biology, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands
Interests: plant/arthropod interaction; effector; plant defense manipulation; solanaceae; tetranychus; acari; agroecology
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Special Issue Information

Dear Colleagues,

Plant defense manipulation by plant consumers has received much attention in recent years. Molecular mechanisms involved in defense suppression have revealed new insights into the plant defense response and physiological aspects of plant parasites (pathogens and herbivores). Molecules that release plant parasites involved in plant manipulation are called effectors and, nowadays, are considered the main players in the interaction. Plant defense suppression has an impact on population levels, given that manipulated plants become more suitable for other competitors. These drawbacks lead to the following question: why is the plant suppression ability so widespread among plant consumers?

The aim of this Special Issue is to collect new articles (original research papers, perspectives, opinions, reviews, modeling approaches) that contribute new insights in the field of plant defense manipulation from a broad point of view, accepting manuscripts that are focused on the molecular mechanisms responsible for plant defense suppression and/or that study the ecological implications of plant defense manipulation.

Dr. Juan Manuel Alba Cano
Guest Editor

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Keywords

  • plant defense suppression
  • effectors
  • hormonal crosstalk
  • plant pathogenes
  • herbivores

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Published Papers (1 paper)

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Research

16 pages, 3541 KiB  
Article
Transcriptome Analysis of Wheat–Tilletia indica Interaction Provides Defense and Pathogenesis-Related Genes
by Malkhan Singh Gurjar, Shekhar Jain, Rashmi Aggarwal, Mahender Singh Saharan, Tej Pratap Jitendra Kumar and Lalit Kharbikar
Plants 2022, 11(22), 3061; https://doi.org/10.3390/plants11223061 - 11 Nov 2022
Cited by 8 | Viewed by 2085
Abstract
Karnal bunt (Tilletia indica Mitra) is an internationally quarantined disease of wheat. Until now, very little information has been available on the molecular basis of resistance and pathogenicity of T. indica. To investigate the molecular basis of host–pathogen interaction, the transcriptome of [...] Read more.
Karnal bunt (Tilletia indica Mitra) is an internationally quarantined disease of wheat. Until now, very little information has been available on the molecular basis of resistance and pathogenicity of T. indica. To investigate the molecular basis of host–pathogen interaction, the transcriptome of T. indica inoculated resistant (HD29) and susceptible (WH542) genotypes of wheat were analyzed. Approximately 58 million reads were generated using RNA sequencing by the Illumina NextSeq500 platform. These sequence reads were aligned to a reference genome of wheat to compare the expression level of genes in resistant and susceptible genotypes. The high-quality reads were deposited in the NCBI SRA database (SRP159223). More than 80,000 genes were expressed in both the resistant and susceptible wheat genotypes. Of these, 76,088 were commonly expressed genes, including 3184 significantly upregulated and 1778 downregulated genes. Four thousand one hundred thirteen and 5604 genes were exclusively expressed in susceptible and resistant genotypes, respectively. Based on the significance, 503 genes were upregulated and 387 genes were downregulated. Using gene ontology, the majority of coding sequences were associated with response to stimuli, stress, carbohydrate metabolism, developmental process, and catalytic activity. Highly differentially expressed genes (integral component of membrane, exonuclease activity, nucleic acid binding, DNA binding, metal ion binding) were validated in resistant and susceptible genotypes using qPCR analysis and similar expression levels were found in RNA-Seq. Apart from the wheat, the mapping of T. indica was 7.07% and 7.63% of resistant and susceptible hosts, respectively, upon infection, which revealed significant pathogenesis-related genes. This first study provided in-depth information and new insights into wheat–T. indica interaction for managing Karnal bunt disease of wheat. Full article
(This article belongs to the Special Issue Effector Arsenal of Plant Parasites and Ecological Implications)
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