Aspergillus species isolated from mangrove forests in Borneo Island, Sarawak, Malaysia
| Autor: | S. S. Jaya Seelan, Sepiah Muid, A. A. K. F. Ali |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2009 |
| Předmět: |
Veterinary medicine
Aspergillus biology lcsh:QH1-199.5 Species diversity Identification key Soil classification Management Monitoring Policy and Law Plant litter lcsh:General. Including nature conservation geographical distribution biology.organism_classification Genus lcsh:QH540-549.5 Botany Animal Science and Zoology Species richness lcsh:Ecology Mangrove Ecology Evolution Behavior and Systematics Nature and Landscape Conservation |
| Zdroj: | Journal of Threatened Taxa, Vol 1, Iss 6, Pp 344-346 (2009) |
| ISSN: | 0974-7907 0974-7893 |
| Popis: | A study on the occurrence of Aspergillus spp. on selected mangrove forests in Sarawak was conducted to find out their diversity and distribution. Samples were obtained from mangrove soils and leaf litters at different locations, i.e. Sematan, Lundu, Kampung Bako, Bako in Sarawak. Soil and leaf litter samples were taken randomly at different locations with five replicates from each area. A total of 138 isolates of Aspergillus species were obtained from the soil and leaf litter samples by using direct plating and Warcup method. Based on both macroscopic and microscopic observations, using an identification key, individual isolates were classified within the genus Aspergillus, belonging to three subgenera, four sections and five species. The fungi isolates were identified as A. terreus, A. flavipes, A. carneus, A. fumigatus and A. clavatus. The most frequent isolated species was A. flavipes (63.04%), followed by A. fumigatus (16.7%), A. terreus (13.04%), A. carneus (5.8%) and A. clavatus (1.44%). All of the isolated Aspergillus species grew well on MEA and CYA at 25°C. A. carneus produced reddish sclerotia on MEA after seven days and this could be used as an important characteristic in this species identification. A. clavatus from mangrove soil in Kampung Bako has shown long conidiophores (ranging from 3-5 cm) with swollen hyphal structures, while A. clavatus from Sematan area has shorter conidiophores (ranging from 2.5-3.5 cm) on MEA. |
| Databáze: | OpenAIRE |
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