Evidence map›Paper›PMID 15746364›Full record

ArticleApplied and environmental microbiology2005

Signal transduction by Tga3, a novel G protein alpha subunit of Trichoderma atroviride.

Susanne Zeilinger, Barbara Reithner, Valeria Scala, Isabel Peissl, Matteo Lorito, Robert L Mach

Open access · greenAbstract read
In one paragraph

Article in Applied and environmental microbiology, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 38 papers.

0numbers the graph read from it
0cells of the map it votes in
38citing papers in PubMed
9.9field-weighted citation impact, top 2% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

38 citing papers in PubMed, 129 citations in OpenAlex.

  1. Article
  2. Transcriptomic Response ofJournal of fungi (Basel, Switzerland) · 2023
    Article
  3. Article
  4. cAMP Signalling Pathway in Biocontrol Fungi.Current issues in molecular biology · 2022
    Review
  5. Frontiers in microbiology · 2022
    Review
  6. DecipheringJournal of fungi (Basel, Switzerland) · 2021
    Review
  7. Early transcriptomic response of the mycoparasiteBioresources and bioprocessing · 2021
    Article
  8. Article
  9. Plants (Basel, Switzerland) · 2020
    Review
  10. Review
  11. Article
  12. Article
  13. Review
  14. Review
  15. Review
  16. Article
  17. Article
  18. Article
  19. Article
  20. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors at 2 institutions in 2 countries.

Susanne ZeilingerResearch Area of Gene Technology and Applied Biochemistry, Institute for Chemical Engineering, Vienna University of Technology, Getreidemarkt 9, A-1060 Vienna, Austria. szeiling@mail.zserv.tuwien.ac.at
Barbara Reithner
Valeria Scala
Isabel Peissl
Matteo Lorito
Robert L Mach
TU Wien · ATUniversity of Naples Federico II · IT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Trichoderma species are used commercially as biocontrol agents against a number of phytopathogenic fungi due to their mycoparasitic characterisitics. The mycoparasitic response is induced when Trichoderma specifically recognizes the presence of the host fungus and transduces the host-derived signals to their respective regulatory targets. We made deletion mutants of the tga3 gene of Trichoderma atroviride, which encodes a novel G protein alpha subunit that belongs to subgroup III of fungal Galpha proteins. Deltatga3 mutants had changes in vegetative growth, conidiation, and conidial germination and reduced intracellular cyclic AMP levels. These mutants were avirulent in direct confrontation assays with Rhizoctonia solani or Botrytis cinerea, and mycoparasitism-related infection structures were not formed. When induced with colloidal chitin or N-acetylglucosamine in liquid culture, the mutants had reduced extracellular chitinase activity even though the chitinase-encoding genes ech42 and nag1 were transcribed at a significantly higher rate than they were in the wild type. Addition of exogenous cyclic AMP did not suppress the altered phenotype or restore mycoparasitic overgrowth, although it did restore the ability to produce the infection structures. Thus, T. atroviride Tga3 has a general role in vegetative growth and can alter mycoparasitism-related characteristics, such as infection structure formation and chitinase gene expression.

Indexed as

AcetylglucosaminidaseBase SequenceCell WallChitinasesCloning, MolecularCyclic AMPDNA, FungalFungal ProteinsFungiGene ExpressionGenes, FungalGTP-Binding Protein alpha SubunitsMolecular Sequence DataMutationPest Control, BiologicalPhenotypeAcetylglucosaminidaseChitinasesCyclic AMPDNA, FungalFungal ProteinsGTP-Binding Protein alpha Subunits

Identifiers

PMID15746364
PMCPMC1065137
OpenAlexW2135398157

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.