Sequencing the Black Aspergilli species complex

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The ~15 members of the Aspergillus section Nigri species complex (the "Black Aspergilli") are significant as platforms for bioenergy and bioindustrial technology, as members of soil microbial communities and players in the global carbon cycle, and as food processing and spoilage agents and agricultural toxigens. Despite their utility and ubiquity, the morphological and metabolic distinctiveness of the complex's members, and thus their taxonomy, is poorly defined. We are using short read pyrosequencing technology (Roche/454 and Illumina/Solexa) to rapidly scale up genomic and transcriptomic analysis of this species complex. To date we predict 11197 genes in Aspergillus niger, 11624 genes in ... continued below

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Kuo, Alan; Salamov, Asaf; Zhou, Kemin; Otillar, Robert; Baker, Scott & Grigoriev, Igor March 11, 2011.

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Description

The ~15 members of the Aspergillus section Nigri species complex (the "Black Aspergilli") are significant as platforms for bioenergy and bioindustrial technology, as members of soil microbial communities and players in the global carbon cycle, and as food processing and spoilage agents and agricultural toxigens. Despite their utility and ubiquity, the morphological and metabolic distinctiveness of the complex's members, and thus their taxonomy, is poorly defined. We are using short read pyrosequencing technology (Roche/454 and Illumina/Solexa) to rapidly scale up genomic and transcriptomic analysis of this species complex. To date we predict 11197 genes in Aspergillus niger, 11624 genes in A. carbonarius, and 10845 genes in A. aculeatus. A. aculeatus is our most recent genome, and was assembled primarily from 454-sequenced reads and annotated with the aid of >2 million 454 ESTs and >300 million Solexa ESTs. To most effectively deploy these very large numbers of ESTs we developed 2 novel methods for clustering the ESTs into assemblies. We have also developed a pipeline to propose orthologies and paralogies among genes in the species complex. In the near future we will apply these methods to additional species of Black Aspergilli that are currently in our sequencing pipeline.

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  • 26th Annual Fungal Genetics Conference, Pacific Grove, CA, March 16 - 20, 2011

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  • Report No.: LBNL-4526E-Poster
  • Grant Number: DE-AC02-05CH11231
  • DOI: 10.2172/1012480 | External Link
  • Office of Scientific & Technical Information Report Number: 1012480
  • Archival Resource Key: ark:/67531/metadc845317

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Office of Scientific & Technical Information Technical Reports

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  • March 11, 2011

Added to The UNT Digital Library

  • May 19, 2016, 3:16 p.m.

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  • June 15, 2016, 9:39 p.m.

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Kuo, Alan; Salamov, Asaf; Zhou, Kemin; Otillar, Robert; Baker, Scott & Grigoriev, Igor. Sequencing the Black Aspergilli species complex, report, March 11, 2011; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc845317/: accessed April 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.