Diversity of gall-forming rusts (Uromycladium, Pucciniales) on Acacia in Australia

Doungsa-ard, C. and McTaggart, A. R. and Geering, A. D. W. and Shivas, R. G. (2018) Diversity of gall-forming rusts (Uromycladium, Pucciniales) on Acacia in Australia. Persoonia, 40. pp. 221-238. ISSN 0031-5850

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Abstract

Uromycladium tepperianum has been reported on over 100 species of Acacia, as well as on the closely related plant genera, Falcataria, Racosperma and Paraserianthes. Previous studies have indicated that U. tepperianum may represent a complex of host-specific, cryptic species. The phylogenetic relationships between 79 specimens of Uromycladium were determined based on a concatenated dataset of the Small Subunit, the Internal Transcribed Spacer and the Large Subunit regions of nuclear ribosomal DNA, and the mitochondrial cytochrome c oxidase subunit 3. This study showed that the host range of U. tepperianum s.str. was restricted to species of Acacia in the ‘A. bivenosa group’ sensu Chapman & Maslin (1992). An epitype of U. tepperianum on A. ligulata is designated to create a stable taxonomy for the application of this name. Sixteen novel species of Uromycladium are described, based on host preference, morphology and a phylogenetic species concept.


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Item Type: Article (Commonwealth Reporting Category C)
Refereed: Yes
Item Status: Live Archive
Additional Information: This article is Open Access under the terms of the Creative Commons CC BY-NC-ND licence.
Faculty / Department / School: Current - Institute for Agriculture and the Environment
Date Deposited: 14 Jun 2018 05:18
Last Modified: 25 Jun 2018 04:44
Uncontrolled Keywords: cryptic species; Pucciniales; systematics; taxonomy; 16 new taxa
Fields of Research : 06 Biological Sciences > 0605 Microbiology > 060505 Mycology
06 Biological Sciences > 0603 Evolutionary Biology > 060309 Phylogeny and Comparative Analysis
Socio-Economic Objective: E Expanding Knowledge > 97 Expanding Knowledge > 970106 Expanding Knowledge in the Biological Sciences
Funding Details:
Identification Number or DOI: 10.3767/persoonia.2018.40.09
URI: http://eprints.usq.edu.au/id/eprint/34268

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