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Host specificity of Endophytic Mycobiota of wild Nicotiana plants from arid regions of Northern Australia

Dastogeer, K.M.G., Li, H., Sivasithamparam, K., Jones, M.G.K.ORCID: 0000-0001-5002-0227 and Wylie, S.J.ORCID: 0000-0002-5639-7460 (2017) Host specificity of Endophytic Mycobiota of wild Nicotiana plants from arid regions of Northern Australia. Microbial Ecology, 75 (1). pp. 74-87.

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In arid regions of northern Australia, plants survive under water deficit, high temperatures, intense solar radiation and nutrient-impoverished soils. They employ various morpho-physiological and biochemical adaptations including interaction with microbial symbionts. We evaluated identity, host and tissue association with geographical distribution of fungal endophytes isolated from above- and below-ground tissues of plants of three indigenous Australian Nicotiana species. Isolation frequency and α-diversity were significantly higher for root endophyte assemblages than those of stem and leaf tissues. We recorded no differences in endophyte species richness or diversity as a function of sampling location, but did detect differences among different host genotypes and plant tissues. There was a significant pattern of community similarity associated with host genotypes but no consistent pattern of fungal community structuring associated with sampling location and tissue type, regardless of the community similarity measurements used.

Item Type: Journal Article
Murdoch Affiliation(s): School of Veterinary and Life Sciences
Western Australian State Agricultural Biotechnology Centre
Publisher: Springer Verlag
Copyright: © 2017 Springer Science+Business Media, LLC
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