Article (Scientific journals)
Alternaria jacinthicola, a new fungal species causing blight leaf disease on water hyacinth (Eichhornia crassipes (Martius) Solms-Laubach)
Dagno, Karim; Crovadore, Julien; Lefort, François et al.
2011In Journal of Yeast and Fungal Research, 2 (7), p. 99-105
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Keywords :
ITS rDNA; 18S rDNA; actin; calmodulin; elongation factor; genetic characterization; alternaria jacinthicola; Eichhornia crassipes; water hyacinth
Abstract :
[en] Water hyacinth (Eichhornia crassipes) causes environmental, agricultural and health problems in Mali. This is particularly severe in the District of Bamako and the irrigation systems of the “Office du Niger”area. During two years survey for fungal pathogens of water hyacinth infested areas, isolate Mlb684 was collected from diseased plant. This fungal isolate was identified as a potential mycoherbicide for sustainable management for water hyacinth. The aim of this study was to characterize isolate Mlb684. The characterization was based on a morphological description and a DNA sequence analysis. Various genes amplified from isolate Mlb684 were compared to those existing in Genbank. These genes were 18S ribosomal rDNA gene, ITS rDNA gene, elongation factor-1 alpha (EF1a) gene, calmodulin and actin genes. DNA sequence comparisons and morphological description provided enough evidences to show that isolate Mlb684 belonged to the Alternaria genus and was distinct from any other known Alternaria species. Based on these evidences, the new fungal isolate was called “Alternaria jacinthicola Dagno & M.H. Jijakli”. A specimen culture has been deposited in the Gembloux Agro Bio Tech Plant Pathology unit fungal collection, with Mlb684 reference and in the Industrial Fungal and Yeast Collection (BCCM/MUCL, Belgium) under the accession number: MUCL 53159 and all DNA sequences were deposited in GenBank (NCBI).
Disciplines :
Phytobiology (plant sciences, forestry, mycology...)
Author, co-author :
Dagno, Karim ;  Université de Liège - ULiège > Doct. sc. agro. & ingé. biol.
Crovadore, Julien
Lefort, François
Lahlali, Rachid
Lassois, Ludivine  ;  Université de Liège - ULiège > Forêts, Nature et Paysage > Gestion des ressources forestières et des milieux naturels
Jijakli, Haissam  ;  Université de Liège - ULiège > Sciences agronomiques > Phytopathologie
Language :
English
Title :
Alternaria jacinthicola, a new fungal species causing blight leaf disease on water hyacinth (Eichhornia crassipes (Martius) Solms-Laubach)
Publication date :
August 2011
Journal title :
Journal of Yeast and Fungal Research
ISSN :
2141-2413
Publisher :
Academic Journals, Lagos, Nigeria
Volume :
2
Issue :
7
Pages :
99-105
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 07 September 2011

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