DNA based characterization of Ceratocystis fimbriata isolates associated with mango decline in Oman

M. Van Wyk; A. O. Al-Adawi; B. D. Wingfield; A. M. Al-Subhi; M. L. Deadman; M. J. Wingfield

doi:10.1071/AP05080

DNA based characterization of Ceratocystis fimbriata isolates associated with mango decline in Oman

M. Van Wyk^*, A. O. Al-Adawi, B. D. Wingfield, A. M. Al-Subhi, M. L. Deadman, M. J. Wingfield

^*Corresponding author for this work

Crop Sciences

Research output: Contribution to journal › Article › peer-review

27 Citations (Scopus)

Abstract

A serious mango decline disease has recently been reported from the Sultanate of Oman. Based on morphological characteristics, the pathogen responsible for the disease was previously identified as Ceratocystis fimbriata. C. fimbriata is one of the most important pathogens of mango in Brazil and its appearance in Oman is of great concern. Recent phylogenetic studies have shown that C. fimbriata most likely represents a species complex. The aim of this study was to confirm the identity of the mango pathogen in Oman based on DNA sequences. Sequence data were obtained for the internal transcribed spacer 1 and 2 regions and the 5.8S rRNA gene regions and these were compared with sequence data of C. fimbriata from several hosts and geographic areas. The isolates from Oman where shown to represent C. fimbriata sensu lato and also to be most closely related to an isolate from mango in Brazil. This provides some evidence that the mango pathogen in Oman might have originated in Brazil.

Original language	English
Pages (from-to)	587-590
Number of pages	4
Journal	Australasian Plant Pathology
Volume	34
Issue number	4
DOIs	https://doi.org/10.1071/AP05080
Publication status	Published - 2005

ASJC Scopus subject areas

Plant Science

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title = "DNA based characterization of Ceratocystis fimbriata isolates associated with mango decline in Oman",

abstract = "A serious mango decline disease has recently been reported from the Sultanate of Oman. Based on morphological characteristics, the pathogen responsible for the disease was previously identified as Ceratocystis fimbriata. C. fimbriata is one of the most important pathogens of mango in Brazil and its appearance in Oman is of great concern. Recent phylogenetic studies have shown that C. fimbriata most likely represents a species complex. The aim of this study was to confirm the identity of the mango pathogen in Oman based on DNA sequences. Sequence data were obtained for the internal transcribed spacer 1 and 2 regions and the 5.8S rRNA gene regions and these were compared with sequence data of C. fimbriata from several hosts and geographic areas. The isolates from Oman where shown to represent C. fimbriata sensu lato and also to be most closely related to an isolate from mango in Brazil. This provides some evidence that the mango pathogen in Oman might have originated in Brazil.",

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AU - Van Wyk, M.

AU - Al-Adawi, A. O.

AU - Wingfield, B. D.

AU - Al-Subhi, A. M.

AU - Deadman, M. L.

AU - Wingfield, M. J.

PY - 2005

Y1 - 2005

N2 - A serious mango decline disease has recently been reported from the Sultanate of Oman. Based on morphological characteristics, the pathogen responsible for the disease was previously identified as Ceratocystis fimbriata. C. fimbriata is one of the most important pathogens of mango in Brazil and its appearance in Oman is of great concern. Recent phylogenetic studies have shown that C. fimbriata most likely represents a species complex. The aim of this study was to confirm the identity of the mango pathogen in Oman based on DNA sequences. Sequence data were obtained for the internal transcribed spacer 1 and 2 regions and the 5.8S rRNA gene regions and these were compared with sequence data of C. fimbriata from several hosts and geographic areas. The isolates from Oman where shown to represent C. fimbriata sensu lato and also to be most closely related to an isolate from mango in Brazil. This provides some evidence that the mango pathogen in Oman might have originated in Brazil.

AB - A serious mango decline disease has recently been reported from the Sultanate of Oman. Based on morphological characteristics, the pathogen responsible for the disease was previously identified as Ceratocystis fimbriata. C. fimbriata is one of the most important pathogens of mango in Brazil and its appearance in Oman is of great concern. Recent phylogenetic studies have shown that C. fimbriata most likely represents a species complex. The aim of this study was to confirm the identity of the mango pathogen in Oman based on DNA sequences. Sequence data were obtained for the internal transcribed spacer 1 and 2 regions and the 5.8S rRNA gene regions and these were compared with sequence data of C. fimbriata from several hosts and geographic areas. The isolates from Oman where shown to represent C. fimbriata sensu lato and also to be most closely related to an isolate from mango in Brazil. This provides some evidence that the mango pathogen in Oman might have originated in Brazil.

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DNA based characterization of Ceratocystis fimbriata isolates associated with mango decline in Oman

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