Characterisation of members of the Fusarium incarnatum-equiseti species complex from undisturbed soils in South Africa

Antonie van Leeuwenhoek
Adriaana JacobsEduard Venter

Abstract

The genus Fusarium hosts a large number of economically significant phytopathogens with a global distribution. Surprisingly, only a limited number of studies have tried to identify the natural distribution of members of this genus in undisturbed soils. Members of the Fusarium incarnatum-equiseti species complex (FIESC) are increasingly associated with plant disease, and human and animal health problems. Recently, an outbreak of kikuyu poisoning of cattle was attributed to the F. incarnatum-equiseti species complex. Thus, it is of importance to identify the natural distribution of members of the FIESC from the environment. The aim of this study was to use the phylogenetic signal within the TEF 1α gene region to characterise 54 F. incarnatum-equiseti isolates obtained from undisturbed soils from the grassland biome of South Africa. These isolates were further compared with members of the FIESC previously associated with kikuyu poisoning of cattle. The phylogenetic analysis indicated a high level of variation within this species complex. Several members were closely related to isolates implicated in the death of cattle from infected kikuyu grass.

References

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Citations

Jun 24, 2020·Emerging Microbes & Infections·Samantha Chandranath KarunarathnaPeter Edward Mortimer

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Datasets Mentioned

BETA
JQ286022

Methods Mentioned

BETA
PCR
PCRs

Software Mentioned

PAUP
PhyML
MAFFT
MLST
MULPAR
TreeBASE
NEXUS
BioEdit

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