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Trichoderma harzianum CECT 2413 expression in liquid basal medium or glucose-, chitin-, or tomato plant-containing media

ABSTRACT: Trichoderma harzianum CECT 2413 expression in liquid basal medium and in the presence of glucose, chitin or tomato plants. Four different experimental conditions were carried out: basal (MS), glucose (MS-G), chitin (MS-Q) and tomato plant (MS-P). Two biological replicates were analyzed by microarray for each experimental condition. Three independent cultures of mycelium were pooled for each biological replicate.

ORGANISM(S): Hypocrea lixii

SUBMITTER: Alberto de Luis

PROVIDER: E-GEOD-13776 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Gene expression analysis of the biocontrol fungus Trichoderma harzianum in the presence of tomato plants, chitin, or glucose using a high-density oligonucleotide microarray.

Samolski Ilanit I de Luis Alberto A Vizcaíno Juan Antonio JA Monte Enrique E Suárez M Belén MB

BMC microbiology 20091013

<h4>Background</h4>It has recently been shown that the Trichoderma fungal species used for biocontrol of plant diseases are capable of interacting with plant roots directly, behaving as symbiotic microorganisms. With a view to providing further information at transcriptomic level about the early response of Trichoderma to a host plant, we developed a high-density oligonucleotide (HDO) microarray encompassing 14,081 Expressed Sequence Tag (EST)-based transcripts from eight Trichoderma spp. and 9, ...[more]

PMID: 19825185

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Trichoderma harzianum CECT 2413 expression in liquid basal medium or glucose-, chitin-, or tomato plant-containing media

Project description:Trichoderma harzianum CECT 2413 expression in liquid basal medium and in the presence of glucose, chitin or tomato plants.

2009-11-26 | GSE13776 | GEO

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Project description:Trichoderma harzianum CECT 2413 expression in liquid basal medium or glucose-, chitin-, or tomato plant-containing media

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Chitin elicitation timecourse

Project description:Chitin oligomers, released from fungal cell walls by endochitinase, induce defense and related cellular responses in many plants. However, little is known about chitin responses in the model plant Arabidopsis. We describe here a large scale characterization of gene expression patterns in Arabidopsis in response to chitin treatment using an Arabidopsis microarray consisting of 2,375 EST clones representing putative defense-related and regulatory genes. Transcript levels for 71 ESTs, representing 61 genes, were altered >3-fold in chitin-treated seedlings relative to control seedlings. A number of transcripts exhibited altered accumulation as early as 10 min after exposure to chitin, representing some of the earliest changes in gene expression observed in chitin-treated plants. Included among the 61 genes are those that have been reported to be elicited by various pathogen-related stimuli in other plants. Additional genes, including genes of unknown function, were also identified broadening our understanding of chitin-elicited responses. Among transcripts with enhanced accumulation, one cluster was enriched in genes with both the W-box promoter element and a novel regulatory element. In addition, a number of transcripts had decreased abundance, encoding several proteins involved in cell wall strengthening and wall deposition. The chalcone synthase promoter element was identified in the upstream regions of these genes, suggesting that pathogen signals may suppress expression of some genes. These data indicate that Arabidopsis will be an excellent model to elucidate mechanisms of chitin elicitation in plant defense. Groups of assays that are related as part of a time series. Keywords: time_series_design

2005-09-09 | GSE3273 | GEO

Comparative study of transcriptomes from four Trichoderma strains gene expression in early interaction with tomato plants

Project description:A self-designed Trichoderma high density oligonuclotide (HDO) microarray (Roche-NimbleGen, Inc., Madison, WI, USA) was constructed in a similar way than a previous Trichoderma HDO microarray (Samolski et al., 2009). The microarray was composed of 392,779 60-mer probes designed against 14,081 EST-derived transcripts (Trichochip-1) and the genomes of T. reesei (9,129 genes) and T. virens (11,643 genes). The Trichochip-1 ESTs were obtained from 28 cDNA libraries from eight different species (representing the biodiversity of this genus: T. harzianum, T. atroviride, T. asperellum, T. viride, T. longibrachiatum, T. virens, T. stromaticum and T. aggresivum), under a wide range of growth conditions, including biocontrol-related conditions and different nutritional situations (VizcaM-CM--no et al., 2006). This HDO microarray was used to analyze Trichoderma spp. transcriptomes after 20 h incubation in the presence of tomato plants. The Trichochip1 EST database was generated in the TrichoEST project funded by the EU (QLK3-CT-2002-02032). Eight samples were analyzed as follows: Strain T. reesei T6 grown in the presence or not of tomato plants, strain T. hamatum T7 grown in the presence or not of tomato plants, strain T. harzianum T34 grown in the presence or not of tomato plants and strain T. virens T87 grown in the presence or not of tomato plants. Three replicates for each samples were performed.

2012-02-27 | E-GEOD-29171 | biostudies-arrayexpress

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2005-06-01 | GSE2538 | GEO

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2006-03-08 | GSE4388 | GEO

Chitin elicitation timecourse

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Chitin oligosaccharide induction

Project description:Strain N16961 grown in M9 + 0.5 % lactate to OD 0.2. Culture was split and one part added 0.6 mM of indicated chitin oligosaccharide. Samples was isolated after 30 and 60 min. cDNA was prepared from 2 ug RNA and labeled with Cy3 (no induction) and Cy5 (induction with chitin oligosaccharide). Samples from at least two independent experiments and a total of four hybridizations for each chitin oligosaccharide and time. A growth condition experiment design type is where some part of the growth condition is changed for the purposes of the experiment, examples of growth conditions changed are media, temperature, humidity, light, nutrients. Keywords: growth_condition_design

2005-08-11 | GSE3101 | GEO

Expression data from tomato (Solanum lycopersicum) plants in interaction with different Trichoderma strains

Project description:Trichoderma harzianum T34 is a fungal strain able to promote the plant growth and to increase plant defense responses. Trichoderma harzianum transformants expressing the amdS gene, encoding an acetamidase, of Aspergillus nidulans produce a higher plant development than the wild type T34. We used microarrays to analyze the physiological and biochemical changes in tomato plants produced as consequence of interaction with Trichoderma harzianum T34 and amdS transformants

2015-12-25 | GSE76332 | GEO

The Vibrio cholerae chitin utilization program

Project description:This SuperSeries is composed of the following subset Series: GSE3101: Chitin oligosaccharide induction GSE3102: Crab shell attachment GSE3103: Chitin sensor Abstract: Chitin, an insoluble polymer of GlcNAc, is an abundant source of carbon, nitrogen, and energy for marine microorganisms. Microarray expression profiling and mutational studies of Vibrio cholerae growing on a natural chitin surface, or with the soluble chitin oligosaccharides (GlcNAc)(2-6), GlcNAc, or the glucosamine dimer (GlcN)2 identified three sets of differentially regulated genes. We show that (i) ChiS, a sensor histidine kinase, regulates expression of the (GlcNAc)(2-6) gene set, including a (GlcNAc)2 catabolic operon, two extracellular chitinases, a chitoporin, and a PilA-containing type IV pilus, designated ChiRP (chitin-regulated pilus) that confers a significant growth advantage to V. cholerae on a chitin surface; (ii) GlcNAc causes the coordinate expression of genes involved with chitin chemotaxis and adherence and with the transport and assimilation of GlcNAc; (iii) (GlcN)2 induces genes required for the transport and catabolism of nonacetylated chitin residues; and (iv) the constitutively expressed MSHA pilus facilitates adhesion to the chitin surface independent of surface chemistry. Collectively, these results provide a global portrait of a complex, multistage V. cholerae program for the efficient utilization of chitin. Refer to individual Series

2006-03-07 | E-GEOD-4388 | biostudies-arrayexpress

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