Intervention effectmodel-written summary

The transformed strain downregulated tomato genes involved in fungal root colonization.

A claim from Effects of Trichothecene Production on the Plant Defense Response and Fungal Physiology: Overexpression of the Trichoderma arundinaceum tri4 Gene in T. harzianum · 2015

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

The transformed strain downregulated tomato genes involved in fungal root colonization.

Treatment
transgenic T. harzianum tri4 straine0
Interactor
T. harzianumTrichoderma harzianume0biocontrol_agent
Outcome
plant genes involved in fungal root colonizatione0
Direction
downregulatede0

Not reportedMaterialGeneCompoundOrgan / stageSecond interactorSecond interactor roleComparatorSettingValueQualifier

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Solanum lycopersicum
Solanum lycopersicum · TaxonKod B · CC BY-SA 4.0 · Wikimedia Commons ↗
Trichoderma harzianum
Trichoderma harzianum · InteractorUS Department of Agriculture, Agricultural Research Service, Systematic Botany and Mycology Laboratory, [1] · Public domain · Wikimedia Commons ↗

Verbatim

e0

“the transgenic T. harzianum tri4 strain induced a downregulation of defense-related genes in tomato plants and also downregulated plant genes involved in fungal root colonization”

✓ located verbatim in the source · abstract, characters 1210–1388

Title

Effects of Trichothecene Production on the Plant Defense Response and Fungal Physiology: Overexpression of the Trichoderma arundinaceum tri4 Gene in T. harzianum

R. E. Cardoza; S. P. McCormick; M. G. Malmierca; et al. Applied and Environmental Microbiology 2015. doi:10.1128/aem.01626-15

Other claims from this paper (1)

Record rev-e5ed1385a74939ddb6ddaf973901575fb77e88cdb0b966e56b46c222308b1fcf · schema claims-v0.9 · position 2 in the model’s answer

Trichoderma harzianum · molecular: expression · Solanum lycopersicum (tomato)Positive and negative results

8 papers: 7 positive, 1 negative or no effect

7 in the opposite direction

  1. positive
    Trichoderma harzianum T22 colonization and aphid infestation each induced a wide transcriptome reprogramming in tomato, related to metabolic processes, regulation of gene expression and defence responses.

    Transcriptome and Metabolome Reprogramming in Tomato Plants by Trichoderma harzianum strain T22 Primes and Enhances Defense Responses Against Aphids · 2019

    Opposite direction

  2. positive
    T22 enhanced direct defenses through an early rise in jasmonic acid marker gene transcripts after herbivore induction.

    Trichoderma harzianum Strain T22 Modulates Direct Defense of Tomato Plants in Response to Nezara viridula Feeding Activity · 2021

    Opposite direction

  3. positive
    Biopriming enhanced tomato defense-related gene expression.

    Enhanced protection of tomato against Fusarium wilt through biopriming with Trichoderma harzianum · 2022

    Opposite direction

  4. positive
    TH16 increased expression of genes encoding Calvin cycle enzymes.

    Effects of Trichoderma harzianum on Photosynthetic Characteristics in Tomato Leaves Infected with Fulvia fulva · 2014

    Opposite direction

  5. positive
    Fungal inoculation enhanced expression of ToPIN2, ToLOXD and ToPR1.

    Trichoderma harzianum strain T22 enhances direct and indirect defenses in tomato plants against the stink bug Halyomorpha halys · 2025

    Opposite direction

  6. positive
    Under drought, T. harzianum activated salicylic acid signalling indicated by PR1b1 expression.

    Effects of Trichoderma spp. on gene expression in tomato plants under drought conditions · 2025

    Opposite direction

  7. positive
    Gružanski zlatni showed early activation of all examined genes at 6 h.

    Early transcriptional responses of tomato cultivars to Trichoderma harzianum under short-term water deficit · 2026

    Opposite direction

See all 8 papers →

transgenic · molecular: expression · Solanum lycopersicum (tomato)Positive and negative results

11 papers: 5 positive, 6 negative or no effect

5 papers in the same direction as this claim · 5 in the opposite direction

  1. positive
    HsfA2 plasmid restored transcription factor expression and reporter activation in CS protoplasts.

    In the complex family of heat stress transcription factors, HsfA1 has a unique role as master regulator of thermotolerance in tomato · 2002

    Opposite direction

  2. positive
    Repeated DNA in a transgene greatly enhances the probability of silencing of an endogenous gene.

    A transgene with repeated DNA causes high frequency, post‐transcriptional suppression of ACC‐oxidase gene expression in tomato · 1998

    Opposite direction

  3. positive
    Grafting the ACO1 antisense line onto a strong silencer stock dramatically reduced antisense mRNA after two weeks.

    Enhancement of post-transcriptional gene silencing by grafting · 2008

    Opposite direction

  4. positive
    Expression of E. coli recA increased recombination between some linked chromosome-two markers 1.2-1.5-fold.

    Analysis of the meiotic recombination frequency in transgenic tomato hybrids expressing recA and NLS-recA-licBM3 genes · 2012

    Opposite direction

  5. positive
    Transforming tomato plants with CP syn induced resistance to TYLCV-OM.

    Trans-Dominant Interference by Synthetic Coat Protein of Tomato Yellow Leaf Curl Virus Expressed in Transgenic Tomato · 2020

    Opposite direction

  6. no effect
    LeETR3 transcript levels appeared unaffected by the transgene.

    Delayed Abscission and Shorter Internodes Correlate with a Reduction in the Ethylene Receptor LeETR1 Transcript in Transgenic Tomato · 2002

    Same direction

  7. negative
    abi1-1 blocked ABA- and wound-induced pin2 and LAP expression.

    Expression of the Arabidopsisabi1–1mutant allele inhibits proteinase inhibitor wound‐induction in tomato · 1998

    Same direction

  8. negative
    Tomato defense genes were downregulated following treatment with amdS transformants.

    Nitrogen Metabolism and Growth Enhancement in Tomato Plants Challenged with Trichoderma harzianum Expressing the Aspergillus nidulans Acetamidase amdS Gene · 2016

    Same direction

2 papers more in this group

See all 11 papers →

Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.