Evidence map›Paper›PMID 27514986›Full record

ArticleBMC genomics2016

Global transcriptional analysis suggests Lasiodiplodia theobromae pathogenicity factors involved in modulation of grapevine defensive response.

Marcos Paolinelli-Alfonso, José Manuel Villalobos-Escobedo, Philippe Rolshausen, Alfredo Herrera-Estrella, Clara Galindo-Sánchez, José Fabricio López-Hernández, Rufina Hernandez-Martinez

Open access · goldAbstract read
In one paragraph

Article in BMC genomics, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers.

0numbers the graph read from it
0cells of the map it votes in
34citing papers in PubMed
2.7field-weighted citation impact, top 11% 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

34 citing papers in PubMed, 84 citations in OpenAlex.

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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

7 authors at 2 institutions in 2 countries.

Marcos Paolinelli-AlfonsoDepartamento de Microbiología, Centro de Investigación Científica y de Educación Superior de Ensenada (CICESE), Ensenada, BC, 22860, Mexico.
José Manuel Villalobos-EscobedoLaboratorio Nacional de Genómica para la Biodiversidad (LANGEBIO), Centro de Investigación y de Estudios Avanzados del I. P. N., Irapuato, Gto, 36821, Mexico.
Philippe RolshausenDepartment of Botany and Plant Sciences,University of California Riverside, Riverside, 92521, CA, USA.
Alfredo Herrera-EstrellaLaboratorio Nacional de Genómica para la Biodiversidad (LANGEBIO), Centro de Investigación y de Estudios Avanzados del I. P. N., Irapuato, Gto, 36821, Mexico.
Clara Galindo-SánchezDepartamento de Biotecnología Marina, Centro de Investigación Científica y de Educación Superior de Ensenada (CICESE), Ensenada, BC, 22860, Mexico.
José Fabricio López-HernándezLaboratorio Nacional de Genómica para la Biodiversidad (LANGEBIO), Centro de Investigación y de Estudios Avanzados del I. P. N., Irapuato, Gto, 36821, Mexico.
Rufina Hernandez-MartinezDepartamento de Microbiología, Centro de Investigación Científica y de Educación Superior de Ensenada (CICESE), Ensenada, BC, 22860, Mexico. ruhernan@cicese.mx.ORCID 0000-0002-0914-3732
Centro de Investigación Científica y de Educación Superior de Ensenada · MXUniversity of California, Riverside · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundLasiodiplodia theobromae is a fungus of the Botryosphaeriaceae that causes grapevine vascular disease, especially in regions with hot climates. Fungi in this group often remain latent within their host and become virulent under abiotic stress. Transcriptional regulation analysis of L. theobromae exposed to heat stress (HS) was first carried out in vitro in the presence of grapevine wood (GW) to identify potential pathogenicity genes that were later evaluated for in planta expression.

resultsA total of 19,860 de novo assembled transcripts were obtained, forty-nine per cent of which showed homology to the Botryosphaeriaceae fungi, Neofusicoccum parvum or Macrophomina phaseolina. Three hundred ninety-nine have homology with genes involved in pathogenic processes and several belonged to expanded gene families in others fungal grapevine vascular pathogens. Gene expression analysis showed changes in fungal metabolism of phenolic compounds; where genes encoding for enzymes, with the ability to degrade salicylic acid (SA) and plant phenylpropanoid precursors, were up-regulated during in vitro HS response, in the presence of GW. These results suggest that the fungal L-tyrosine catabolism pathway could help the fungus to remove phenylpropanoid precursors thereby evading the host defense response. The in planta up-regulation of salicylate hydroxylase, intradiol ring cleavage dioxygenase and fumarylacetoacetase encoding genes, further supported this hypothesis. Those genes were even more up-regulated in HS-stressed plants, suggesting that fungus takes advantage of the increased phenylpropanoid precursors produced under stress. Pectate lyase was up-regulated while a putative amylase was down-regulated in planta, this could be associated with an intercellular growth strategy during the first stages of colonization.

conclusionsL. theobromae transcriptome was established and validated. Its usefulness was demonstrated through the identification of genes expressed during the infection process. Our results support the hypothesis that heat stress facilitates fungal colonization, because of the fungus ability to use the phenylpropanoid precursors and SA, both compounds known to control host defense.

Indexed as

Gene Expression Regulation, FungalHost-Pathogen InteractionsTranscriptomeAscomycotaDioxygenasesFungal ProteinsGene Expression ProfilingHot TemperatureHydrolasesMixed Function OxygenasesPlant DiseasesPlant ImmunitySalicylic AcidTyrosineVirulenceVirulence FactorsDioxygenasesfumarylacetoacetaseFungal ProteinsHydrolasesMixed Function Oxygenasessalicylate 1-monooxygenaseSalicylic AcidTyrosineVirulence FactorsBotryosphaeria diebackFungal gene expressionGraevine vascular diseasesMelaninRNA-seqRT-qPCRTranscriptomeVitis vinifera

Identifiers

PMID27514986
PMCPMC4981995
OpenAlexW2511442288

What OpenQuestion holds

Textmetadata
LicenceCC BY
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Registered trials

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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.