Objective The purpose of this study was to investigate streptomycete populations in desert and savanna ecozones in Sudan and to identify species diversity on the basis of 16S rRNA gene sequence analysis.
Results A total of 49 different Streptomyces phenotypes (23 from sites representing the desert and semi-desert zone; 26 representing the Savanna zone) have been included in the study. The isolates were characterized phenotypically and confirmed using 16S rRNA analysis. The two zones showed similarities and uniqueness in the types of isolates. Shared species were: Streptomyces werraensis , S. enissocaesilis, S. leeuwenhoekii –like, but desert zone revealed unique species such as S. griseostramineus, S. chromofuscus –like and S. prasinosporus . Whereas, the savanna zone revealed unique species such as S. albogriseolus, S. djakartensis, S. chilikensis and S. variabilis . Streptomycetes are widely distributed in both desert and the savannah ecozones and most of them require full descriptions. Extending knowledge on Streptomyces communities and their dynamics in different ecological zones for health and production benefits is needed.

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Posted 16 Oct, 2019
Posted 16 Oct, 2019
Objective The purpose of this study was to investigate streptomycete populations in desert and savanna ecozones in Sudan and to identify species diversity on the basis of 16S rRNA gene sequence analysis.
Results A total of 49 different Streptomyces phenotypes (23 from sites representing the desert and semi-desert zone; 26 representing the Savanna zone) have been included in the study. The isolates were characterized phenotypically and confirmed using 16S rRNA analysis. The two zones showed similarities and uniqueness in the types of isolates. Shared species were: Streptomyces werraensis , S. enissocaesilis, S. leeuwenhoekii –like, but desert zone revealed unique species such as S. griseostramineus, S. chromofuscus –like and S. prasinosporus . Whereas, the savanna zone revealed unique species such as S. albogriseolus, S. djakartensis, S. chilikensis and S. variabilis . Streptomycetes are widely distributed in both desert and the savannah ecozones and most of them require full descriptions. Extending knowledge on Streptomyces communities and their dynamics in different ecological zones for health and production benefits is needed.

Figure 1

Figure 2
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