Bacterial community structure and predicted function in the rhizosphere of wild and cultivated date palms: Effects of Fertilizers on Composition and Functionality

Abumaali, Dana A.; Al-Hadidi, Sara H.; Ahmed, Talaat; Al-khis, Amer Fayad; Al-Malki, Sowaid Ali; Yaish, Mahmoud; Hassan, Hassan; Al-Thani, Roda; Alatalo, Juha M.

doi:10.1016/j.egg.2023.100195

Cited by 4 publications

(4 citation statements)

References 72 publications

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“…Despite multiple programs aiming at the rehabilitation and rescue of palm groves (Meddich et al, 2018), the soil microbiota associated with the date palm is poorly represented in global microbial databases. Moreover, there are still no detailed reports based on modern science on the microbiome of wild plant species in the GCC soils (Al-Thani and Yasseen, 2021;Abumaali et al, 2023a).…”

Section: Overview and Future Research Directionsmentioning

confidence: 99%

“…Although ancestors of wild date palm populations exist in remote areas of the GCC region and have been shown to be quite different from those found in Africa and the Middle East (Gros-Balthazard et al, 2018), only a limited number of publications report on wild date palm and desert plants or the inoculation of cultivated date palm (Abumaali et al, 2023a). It is obvious that the restoration of any ecosystem needs to integrate different components and data available on the ecosystem in question, in particular the microorganisms associated with the local plants .…”

Section: Overview and Future Research Directionsmentioning

confidence: 99%

“…Next, to the advantageous ecological and protective services offered by desert plant-associated microorganisms (Köberl et al, 2016;Shilev et al, 2019;Karray et al, 2020;Gargouri et al, 2021b), few microbial profiling studies have been carried out on the rhizospheres and root systems of date palm, the iconic oasis keystone (Chebaane et al, 2020;Gagou et al, 2023;Abumaali et al, 2023a). Moreover, although high-throughput sequencing technology provides excellent In accordance with the available data, date palm rhizosphere soil and root systems shelter a reservoir of beneficial symbiotic microorganisms that positively regulate its homeostasis (Ferjani et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

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Harnessing rhizospheric core microbiomes from arid regions for enhancing date palm resilience to climate change effects

Ben Zineb,

Lamine,

Khallef

et al. 2024

Front. Microbiol.

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Date palm cultivation has thrived in the Gulf Cooperation Council region since ancient times, where it represents a vital sector in agricultural and socio-economic development. However, climate change conditions prevailing for decades in this area, next to rarefication of rain, hot temperatures, intense evapotranspiration, rise of sea level, salinization of groundwater, and intensification of cultivation, contributed to increase salinity in the soil as well as in irrigation water and to seriously threaten date palm cultivation sustainability. There are also growing concerns about soil erosion and its repercussions on date palm oases. While several reviews have reported on solutions to sustain date productivity, including genetic selection of suitable cultivars for the local harsh environmental conditions and the implementation of efficient management practices, no systematic review of the desertic plants’ below-ground microbial communities and their potential contributions to date palm adaptation to climate change has been reported yet. Indeed, desert microorganisms are expected to address critical agricultural challenges and economic issues. Therefore, the primary objectives of the present critical review are to (1) analyze and synthesize current knowledge and scientific advances on desert plant-associated microorganisms, (2) review and summarize the impacts of their application on date palm, and (3) identify possible gaps and suggest relevant guidance for desert plant microbes’ inoculation approach to sustain date palm cultivation within the Gulf Cooperation Council in general and in Qatar in particular.

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Section: Overview and Future Research Directionsmentioning

confidence: 99%

Section: Overview and Future Research Directionsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Harnessing rhizospheric core microbiomes from arid regions for enhancing date palm resilience to climate change effects

Ben Zineb,

Lamine,

Khallef

et al. 2024

Front. Microbiol.

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“…There is a growing number of studies on the microbiome of the date palm, and they tend to focus on fungal or bacterial communities (Ben Chobba et al 2013;Cherif et al 2015;Yaish et al 2016;Mosqueira et al 2019;Abumaali et al 2023a). However, more comprehensive studies that focus on the effect of the genotype and the fertilizers on the eukaryotic microbiome are lacking.…”

Section: Introductionmentioning

confidence: 99%

The effect of type and combination of fertilizers on eukaryotic microbiome of date palm rhizosphere

Al-Hadidi,

Abumaali,

Ahmed

et al. 2024

Plant Growth Regul

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The date palm (Phoenix dactylifera) is an important cultivated crop in arid areas. Here, we studied the effect of plant genotype and type of fertilizers on the eukaryotic community structures of the date palm rhizosphere. Samples were collected from one wild population, five cultivars from two farms, and a factorial fertilizer experiment (organic, chemical, and biofertilizer) in Qatar. The eukaryotic communities were sequenced using a next-generation sequencing method. A total of 2422 Operational Taxonomic Units (OTUs) were identified as belonging to 15 phyla, Chlorophyta, Streptophyta, Imbricatea, Chytridiomycota, Ascomycota, Olpidiomycota, being dominant. The wild-type date palms showed a low number of OTUs compared to cultivated date palms, potentially due to the strong influence of soil salinity and low moisture level. However, the wild-type date palm hosted the highest number of unique OTUs. PCA revealed that the eukaryotic microbiome of the wild date palms was separated from the cultivated date palms and that the eukaryotic microbial diversity varied between date palm cultivars in similar environments. Using the highest amounts of biofertilizer and chemical fertilizer decreased the species diversity within the samples. However, a high concentration of biofertilizer combined with a low concentration of chemical fertilizers enhanced the eukaryotic diversity within the samples. We conclude that cultivar type (biotic factor), type of fertilizer, and dosage (abiotic factor) play significant roles in determining the microbiome diversity of the rhizosphere. The wild date palm population could potentially host salt and drought-tolerating eukaryotes that should be further investigated for future development of biofertilizers suitable for drylands.

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Exploring the Influence of Date Palm Cultivars on Soil Microbiota

Ferreira,

Benabderrahim,

Hamza

et al. 2024

Microb Ecol

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Plants thrive in diverse environments, where root-microbe interactions play a pivotal role. Date palm (Phoenix dactylifera L.), with its genetic diversity and resilience, is an ideal model for studying microbial adaptation to different genotypes and stresses. This study aimed to analyze the bacterial and fungal communities associated with traditional date palm cultivars and the widely cultivated “Deglet Nour” were explored using metabarcoding approaches. The microbial diversity analysis identified a rich community with 13,189 bacterial and 6442 fungal Amplicon Sequence Variants (ASVs). Actinobacteriota, Proteobacteria, and Bacteroidota dominated bacterial communities, while Ascomycota dominated fungal communities. Analysis of the microbial community revealed the emergence of two distinct clusters correlating with specific date palm cultivars, but fungal communities showed higher sensitivity to date palm genotype variations compared to bacterial communities. The commercial cultivar “Deglet Nour” exhibited a unique microbial composition enriched in pathogenic fungal taxa, which was correlated with its genetic distance. Overall, our study contributes to understanding the complex interactions between date palm genotypes and soil microbiota, highlighting the genotype role in microbial community structure, particularly among fungi. These findings suggest correlations between date palm genotype, stress tolerance, and microbial assembly, with implications for plant health and resilience. Further research is needed to elucidate genotype-specific microbial interactions and their role in enhancing plant resilience to environmental stresses.

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Bacterial community structure and predicted function in the rhizosphere of wild and cultivated date palms: Effects of Fertilizers on Composition and Functionality

Cited by 4 publications

References 72 publications

Harnessing rhizospheric core microbiomes from arid regions for enhancing date palm resilience to climate change effects

Harnessing rhizospheric core microbiomes from arid regions for enhancing date palm resilience to climate change effects

The effect of type and combination of fertilizers on eukaryotic microbiome of date palm rhizosphere

Exploring the Influence of Date Palm Cultivars on Soil Microbiota

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