Skip to Main Content
De novo genome assembly of Geosmithia morbida, the causal agent of thousand cankers diseaseAuthor(s): Taruna A. Schuelke; Anthony Westbrook; Kirk Broders; Keith Woeste; Matthew D. MacManes
Source: PeerJ. 4(15): e1952. http://dx.doi.org/10.7717/peerj.1952. 11 p.
Publication Series: Scientific Journal (JRNL)
Station: Northern Research Station
Download Publication (738.0 KB)
DescriptionGeosmithia morbida is a filamentous ascomycete that causes thousand cankers disease in the eastern black walnut tree. This pathogen is commonly found in the western U.S.; however, recently the disease was also detected in several eastern states where the black walnut lumber industry is concentrated. G. morbida is one of two known phytopathogens within the genus Geosmithia, and it is vectored into the host tree via the walnut twig beetle. We present the first de novo draft genome of G. morbida. It is 26.5 Mbp in length and contains less than 1% repetitive elements. The genome possesses an estimated 6,273 genes, 277 of which are predicted to encode proteins with unknown functions. Approximately 31.5% of the proteins in G. morbida are homologous to proteins involved in pathogenicity, and 5.6% of the proteins contain signal peptides that indicate these proteins are secreted. Several studies have investigated the evolution of pathogenicity in pathogens of agricultural crops; forest fungal pathogens are often neglected because research efforts are focused on food crops. G. morbida is one of the few tree phytopathogens to be sequenced, assembled and annotated. The first draft genome of G. morbida serves as a valuable tool for comprehending the underlying molecular and evolutionary mechanisms behind pathogenesis within the Geosmithia genus.
- Check the Northern Research Station web site to request a printed copy of this publication.
- Our on-line publications are scanned and captured using Adobe Acrobat.
- During the capture process some typographical errors may occur.
- Please contact Sharon Hobrla, firstname.lastname@example.org if you notice any errors which make this publication unusable.
- We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
- This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.
CitationSchuelke, Taruna A.; Westbrook, Anthony; Broders, Kirk; Woeste, Keith; MacManes, Matthew D. 2016. De novo genome assembly of Geosmithia morbida, the causal agent of thousand cankers disease. PeerJ. 4(15): e1952. http://dx.doi.org/10.7717/peerj.1952. 11 p.
KeywordsPathogenesis, Black walnut, Forest pathogen, Walnut twig beetle, De novo genome assembly, Geosmithia morbida
- Methyl bromide fumigation to eliminate thousand cankers disease causal agents from black walnut
- Eastern Black Walnut (Juglans nigra L.) Originating From Native Range Varies in Their Response to Inoculation With Geosmithia morbida
- First report of Geosmithia morbida on ambrosia beetles emerged from thousand cankers-diseased Juglans nigra in Ohio
XML: View XML