Isolation and Identification of Streptomyces spp. from Desert and Savanna Soils in Sudan

Mohamed E. Hamid, Adil Mahgoub, Abdulrhman J. O. Babiker, Hussein A. E. Babiker, Mohammed A. I. Holie, Mogahid M. Elhassan and Martin R. P. Joseph
Additional contact information
Mohamed E. Hamid: Department of Clinical Microbiology and Parasitology, College of Medicine, King Khalid University, P.O. Box 641, Abha 61314, Saudi Arabia
Adil Mahgoub: Department of Preventive Medicine, Faculty of Veterinary Medicine, University of Khartoum, Khartoum North 13314, Sudan
Abdulrhman J. O. Babiker: Al-Amal National Hospital, Khartoum North 23622, Sudan
Hussein A. E. Babiker: Department of Clinical Science, College of Veterinary Medicine, King Faisal University, P.O. Box 400, Al-Ahsa 31982, Saudi Arabia
Mohammed A. I. Holie: Department of Microbiology, College of Medical Laboratory Science, Alzeim Alazhari University, Khartoum North 12217, Sudan
Mogahid M. Elhassan: Department of Clinical Laboratory Science, College of Applied Medical Science, Taibah University, Al-Madinah 13215, Saudi Arabia
Martin R. P. Joseph: Department of Clinical Microbiology and Parasitology, College of Medicine, King Khalid University, P.O. Box 641, Abha 61314, Saudi Arabia

IJERPH, 2020, vol. 17, issue 23, 1-10

Abstract: The purpose of this study was to investigate streptomycete populations in desert and savanna ecozones in Sudan and to identify species based on 16S rRNA gene sequences. A total of 49 different Streptomyces phenotypes (22 from sites representing the desert and semi-desert ecozone; 27 representing the savanna ecozone) have been included in the study. The isolates were characterized phenotypically and confirmed using 16S rRNA gene sequence analysis. The two ecozones showed both similarities and uniqueness in the types of isolates. The shared species were in cluster 1 ( Streptomyces (S.) werraensis) , cluster 2 ( Streptomyces sp.), cluster 3 ( S. griseomycini -like), and cluster 7 ( S. rochei) . The desert ecozone revealed unique species in cluster 9 ( Streptomyces sp.) and cluster 10 ( S. griseomycini ). Whereas, the savanna ecozone revealed unique species in cluster 4 ( Streptomyces sp.), cluster 5 ( S. albogriseolus/ S. griseoincarnatus ), cluster 6 ( S. djakartensis ), and cluster 8 ( Streptomyces sp.). Streptomycetes are widely distributed in both desert and the savanna ecozones and many of these require full descriptions. Extending knowledge on Streptomyces communities and their dynamics in different ecological zones and their potential antibiotic production is needed.

Keywords: actinomycetes; ecosystem; biodiversity; phenotypic identification; 16S rRNA gene (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2020
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