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Copyright (c) 2025 Amenah S. Alotaib, Waqas Anwar, Hanin Qasem Albalawi, Hind Saleem Albalawi, Mona Abdulhadi Alshehri, Fatimah Mohammed Al-Atawi, Ibrahim T Al Joundi, Abdulrahman Y Al samini, Rashed Z Alqarni, Nawaf E Alzahrani, Meshal A Huraysi
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
The undersigned hereby assign all rights, included but not limited to copyright, for this manuscript to CMB Association upon its submission for consideration to publication on Cellular and Molecular Biology. The rights assigned include, but are not limited to, the sole and exclusive rights to license, sell, subsequently assign, derive, distribute, display and reproduce this manuscript, in whole or in part, in any format, electronic or otherwise, including those in existence at the time this agreement was signed. The authors hereby warrant that they have not granted or assigned, and shall not grant or assign, the aforementioned rights to any other person, firm, organization, or other entity. All rights are automatically restored to authors if this manuscript is not accepted for publication.Metagenomic analysis microbial biodiversity of Trojena’ the Mountains of Neom
Corresponding Author(s) : Amenah S. Alotaib
Cellular and Molecular Biology,
Vol. 71 No. 4: Issue 4
Abstract
About 80% of the biosphere is constantly exposed to temperatures below 5 °C in cold environments. Microorganisms in cold environments can grow and decompose various organic compounds at sub-zero temperatures despite exposure to conditions that are harmful to their survival, such as sub-zero temperatures and low nutrient and water availability. The present study was designed to investigate metagenomic insights into the microbial diversity in (Al-Lawz Mountains / Trojena Mountains) Saudi Arabia. Metagenomic data sets are obtained by high-throughput sequencing of environmental soil samples and provide an aggregation of all the conceptually genetic materials of the intended area of this project. This study easily overcomes the bottlenecks associated with conventional molecular methods of retrieving genetic information and the unscientific shortage of microbial biodiversity research at Tabuk. High throughput bioinformatic analysis has been highlighted as the accurate exploration of the abundance and diversity of bacterial communities. Environmental DNA can be sequenced to identify the recent presence, relative abundance & distribution of a prokaryotic species or whole communities of bacteria. A total of 333 bacterial metagenomes were sequenced over two seasons, fall and winter. The 16S rRNA genes were quantified during this period. The most significant species regarding the relative abundance and diversity were in the location of sample1 by, Klebsiella michiganensis (251), stenotrophomonass maltophilia (110), Escherichia coli USML2 (88), Zhongshania aliphaticivorans (40), Acidibrevibacterium fodinaquatile (12) Calothrix spp. & Nibribacter ruber (10) Bacillus spp (10) respectively. On the other hand, the lowest abundances were in sample 4 location with Pseudomonas fluorescens (5) and Corynebacterium glutamicum (3) with (NA) species. This means these were unidentified yet. All these species have a growing demand for microbial biodiversity evaluations, given the pronounced impact of climate change in this region (Al-Lawz Mountains/Trojena Mountain). Benthic microbial communities are to be considered, given they have a potential role in CO2 and nitrogen fixation, which is related to plant growth-promoting properties. They can resist salinity, radiation, low-temperature adaptation, and biocontrol properties. Thus, eDNA cold-mountain biodiversity is a fraction of the time it costs to conduct conventional ecological monitoring.
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