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Generation, annotation and analysis of ESTs from Trichoderma harzianum CECT 2413

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dc.creator Vizcaíno, Juan Antonio
dc.creator González, Francisco Javier
dc.creator Suárez, Mª Belén
dc.creator Redondo, José
dc.creator Heinrich, Julian
dc.creator Delgado-Jarana, Jesús
dc.creator Hermosa, Rosa
dc.creator Gutiérrez, Santiago
dc.creator Monte, Enrique
dc.creator Llobell, Antonio
dc.creator Rey, Manuel
dc.date 2007-05-08T12:52:14Z
dc.date 2007-05-08T12:52:14Z
dc.date 2006-07-27
dc.date.accessioned 2017-01-31T00:57:09Z
dc.date.available 2017-01-31T00:57:09Z
dc.identifier BMC Genomics 2006, 7:193
dc.identifier 1471-2164
dc.identifier http://hdl.handle.net/10261/1415
dc.identifier 10.1186/1471-2164-7-193
dc.identifier.uri http://dspace.mediu.edu.my:8181/xmlui/handle/10261/1415
dc.description [Background] The filamentous fungus Trichoderma harzianum is used as biological control agent of several plant-pathogenic fungi. In order to study the genome of this fungus, a functional genomics project called "TrichoEST" was developed to give insights into genes involved in biological control activities using an approach based on the generation of expressed sequence tags (ESTs).
dc.description [Results] Eight different cDNA libraries from T. harzianum strain CECT 2413 were constructed. Different growth conditions involving mainly different nutrient conditions and/or stresses were used. We here present the analysis of the 8,710 ESTs generated. A total of 3,478 unique sequences were identified of which 81.4% had sequence similarity with GenBank entries, using the BLASTX algorithm. Using the Gene Ontology hierarchy, we performed the annotation of 51.1% of the unique sequences and compared its distribution among the gene libraries. Additionally, the InterProScan algorithm was used in order to further characterize the sequences. The identification of the putatively secreted proteins was also carried out. Later, based on the EST abundance, we examined the highly expressed genes and a hydrophobin was identified as the gene expressed at the highest level. We compared our collection of ESTs with the previous collections obtained from Trichoderma species and we also compared our sequence set with different complete eukaryotic genomes from several animals, plants and fungi. Accordingly, the presence of similar sequences in different kingdoms was also studied.
dc.description [Conclusion] This EST collection and its annotation provide a significant resource for basic and applied research on T. harzianum, a fungus with a high biotechnological interest.
dc.description Peer reviewed
dc.language eng
dc.publisher BioMed Central
dc.relation Publisher’s version
dc.rights openAccess
dc.title Generation, annotation and analysis of ESTs from Trichoderma harzianum CECT 2413
dc.type Artículo


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