The biological activities performed by plants and microorganisms in dry and saline soil play an important role in making them thrive in these extreme environmental conditions. Our previous studies have shown the presence of Streptomyces bacteria in various drylands in Qatar. To understand and elucidate the roles of these bacteria in such unfavorable environments, it is important to investigate the distribution and properties of Streptomyces bacteria in rhizospheric soil of halophytes and compare them with non-rhizospheric soils. Therefore, in this research, four halophyte plants namely: Caroxylon imbricatum, Sporobolus ioclados, Tamarix aphylla, and Tetraena qatarensis, were chosen to investigate the properties, characteristics, and activities of Streptomyces isolates in these habitats. The chemical and physical properties of soil at the study area (Al Ghariya Sabkha) revealed that pH levels are almost uniform and homogenous across the Sabkha; ranging between 7.7-7.9, and salinity levels were very high at non-rhizospheric soil as compared to the rhizospheric soils, thus, all elements at the rhizospheres of the studied plants have lower concentrations than those at the non-rhizospheric soils. The colony characteristics of isolates at the rhizospheric soil of halophytes showed various types of isolates with different colony characteristics and peculiarities which indicate that a significant number of strains of Streptomyces bacteria have thrived under such mini-habitats of the canopy of these plants. The enzyme activities of the isolates that have been studied in the rhizospheric and non-rhizospheric soils have shown more variable isolates in the rhizosphere of the plants under investigation than those of non-rhizospheric soils. The antibacterial primary activity of the isolates of Streptomyces at these mini-habitats showed that most of them had clear antibacterial action against the tested strains: Gram-negative (E. coli), and Gram-positive (B. subtilis, S. aureus, and S. epidermidis). The details about these parameters and the possible use of modern approaches to identifying Streptomyces bacteria, and the possible roles of halophytes and their associated microbes in saline lands are also discussed in this paper. Overall, the results of this research showed that the properties and characteristics of Streptomyces bacteria explaining their biodiversity were high in rhizospheric soils of halophytes as compared to non-rhizospheric soils.
| Published in | Frontiers in Environmental Microbiology (Volume 9, Issue 3) |
| DOI | 10.11648/j.fem.20230903.11 |
| Page(s) | 34-51 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2024. Published by Science Publishing Group |
Antibacterial Activity, Biochemical Characteristics, Colony Features, Elements, Halophytes, Streptomyces
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APA Style
Fahad Al-Thani, R., Al-Mohannadi, A., Deyab, D., Abdulla Al-Yafei, F., Yousaf Ashfaq, M., et al. (2023). Properties of Streptomyces Bacteria from the Rhizosphere of Some Halophytes at North-East of Qatar: Al Ghariya Case Study. Frontiers in Environmental Microbiology, 9(3), 34-51. https://doi.org/10.11648/j.fem.20230903.11
ACS Style
Fahad Al-Thani, R.; Al-Mohannadi, A.; Deyab, D.; Abdulla Al-Yafei, F.; Yousaf Ashfaq, M., et al. Properties of Streptomyces Bacteria from the Rhizosphere of Some Halophytes at North-East of Qatar: Al Ghariya Case Study. Front. Environ. Microbiol. 2023, 9(3), 34-51. doi: 10.11648/j.fem.20230903.11
AMA Style
Fahad Al-Thani R, Al-Mohannadi A, Deyab D, Abdulla Al-Yafei F, Yousaf Ashfaq M, et al. Properties of Streptomyces Bacteria from the Rhizosphere of Some Halophytes at North-East of Qatar: Al Ghariya Case Study. Front Environ Microbiol. 2023;9(3):34-51. doi: 10.11648/j.fem.20230903.11
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author = {Roda Fahad Al-Thani and Aisha Al-Mohannadi and Dana Deyab and Fatima Abdulla Al-Yafei and Mohammad Yousaf Ashfaq and Bassam Taha Yasseen},
title = {Properties of Streptomyces Bacteria from the Rhizosphere of Some Halophytes at North-East of Qatar: Al Ghariya Case Study},
journal = {Frontiers in Environmental Microbiology},
volume = {9},
number = {3},
pages = {34-51},
doi = {10.11648/j.fem.20230903.11},
url = {https://doi.org/10.11648/j.fem.20230903.11},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.fem.20230903.11},
abstract = {The biological activities performed by plants and microorganisms in dry and saline soil play an important role in making them thrive in these extreme environmental conditions. Our previous studies have shown the presence of Streptomyces bacteria in various drylands in Qatar. To understand and elucidate the roles of these bacteria in such unfavorable environments, it is important to investigate the distribution and properties of Streptomyces bacteria in rhizospheric soil of halophytes and compare them with non-rhizospheric soils. Therefore, in this research, four halophyte plants namely: Caroxylon imbricatum, Sporobolus ioclados, Tamarix aphylla, and Tetraena qatarensis, were chosen to investigate the properties, characteristics, and activities of Streptomyces isolates in these habitats. The chemical and physical properties of soil at the study area (Al Ghariya Sabkha) revealed that pH levels are almost uniform and homogenous across the Sabkha; ranging between 7.7-7.9, and salinity levels were very high at non-rhizospheric soil as compared to the rhizospheric soils, thus, all elements at the rhizospheres of the studied plants have lower concentrations than those at the non-rhizospheric soils. The colony characteristics of isolates at the rhizospheric soil of halophytes showed various types of isolates with different colony characteristics and peculiarities which indicate that a significant number of strains of Streptomyces bacteria have thrived under such mini-habitats of the canopy of these plants. The enzyme activities of the isolates that have been studied in the rhizospheric and non-rhizospheric soils have shown more variable isolates in the rhizosphere of the plants under investigation than those of non-rhizospheric soils. The antibacterial primary activity of the isolates of Streptomyces at these mini-habitats showed that most of them had clear antibacterial action against the tested strains: Gram-negative (E. coli), and Gram-positive (B. subtilis, S. aureus, and S. epidermidis). The details about these parameters and the possible use of modern approaches to identifying Streptomyces bacteria, and the possible roles of halophytes and their associated microbes in saline lands are also discussed in this paper. Overall, the results of this research showed that the properties and characteristics of Streptomyces bacteria explaining their biodiversity were high in rhizospheric soils of halophytes as compared to non-rhizospheric soils.
},
year = {2023}
}
TY - JOUR T1 - Properties of Streptomyces Bacteria from the Rhizosphere of Some Halophytes at North-East of Qatar: Al Ghariya Case Study AU - Roda Fahad Al-Thani AU - Aisha Al-Mohannadi AU - Dana Deyab AU - Fatima Abdulla Al-Yafei AU - Mohammad Yousaf Ashfaq AU - Bassam Taha Yasseen Y1 - 2023/11/21 PY - 2023 N1 - https://doi.org/10.11648/j.fem.20230903.11 DO - 10.11648/j.fem.20230903.11 T2 - Frontiers in Environmental Microbiology JF - Frontiers in Environmental Microbiology JO - Frontiers in Environmental Microbiology SP - 34 EP - 51 PB - Science Publishing Group SN - 2469-8067 UR - https://doi.org/10.11648/j.fem.20230903.11 AB - The biological activities performed by plants and microorganisms in dry and saline soil play an important role in making them thrive in these extreme environmental conditions. Our previous studies have shown the presence of Streptomyces bacteria in various drylands in Qatar. To understand and elucidate the roles of these bacteria in such unfavorable environments, it is important to investigate the distribution and properties of Streptomyces bacteria in rhizospheric soil of halophytes and compare them with non-rhizospheric soils. Therefore, in this research, four halophyte plants namely: Caroxylon imbricatum, Sporobolus ioclados, Tamarix aphylla, and Tetraena qatarensis, were chosen to investigate the properties, characteristics, and activities of Streptomyces isolates in these habitats. The chemical and physical properties of soil at the study area (Al Ghariya Sabkha) revealed that pH levels are almost uniform and homogenous across the Sabkha; ranging between 7.7-7.9, and salinity levels were very high at non-rhizospheric soil as compared to the rhizospheric soils, thus, all elements at the rhizospheres of the studied plants have lower concentrations than those at the non-rhizospheric soils. The colony characteristics of isolates at the rhizospheric soil of halophytes showed various types of isolates with different colony characteristics and peculiarities which indicate that a significant number of strains of Streptomyces bacteria have thrived under such mini-habitats of the canopy of these plants. The enzyme activities of the isolates that have been studied in the rhizospheric and non-rhizospheric soils have shown more variable isolates in the rhizosphere of the plants under investigation than those of non-rhizospheric soils. The antibacterial primary activity of the isolates of Streptomyces at these mini-habitats showed that most of them had clear antibacterial action against the tested strains: Gram-negative (E. coli), and Gram-positive (B. subtilis, S. aureus, and S. epidermidis). The details about these parameters and the possible use of modern approaches to identifying Streptomyces bacteria, and the possible roles of halophytes and their associated microbes in saline lands are also discussed in this paper. Overall, the results of this research showed that the properties and characteristics of Streptomyces bacteria explaining their biodiversity were high in rhizospheric soils of halophytes as compared to non-rhizospheric soils. VL - 9 IS - 3 ER -
Department of Biological and Environmental Sciences, College of Arts and Sciences, Qatar University, Doha, Qatar
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