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Exploring Bacterial and Fungal Biodiversity in Eight Mediterranean Olive Orchards (Olea europaea L.) in Tunisia

Gharsallah, Houda ; Ksentini, Ines ; Frikha-Gargouri, Olfa ; Hadj Taieb, Karama ; Ben Gharsa, Haifa ; Schuster, Christina ; Chatti-Kolsi, Amel ; Triki, Mohamed Ali ; Ksantini, Mohieddine ; Leclerque, Andreas (2023)
Exploring Bacterial and Fungal Biodiversity in Eight Mediterranean Olive Orchards (Olea europaea L.) in Tunisia.
In: Microorganisms, 2023, 11 (4)
doi: 10.26083/tuprints-00023796
Article, Secondary publication, Publisher's Version

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Item Type: Article
Type of entry: Secondary publication
Title: Exploring Bacterial and Fungal Biodiversity in Eight Mediterranean Olive Orchards (Olea europaea L.) in Tunisia
Language: English
Date: 12 May 2023
Place of Publication: Darmstadt
Year of primary publication: 2023
Publisher: MDPI
Journal or Publication Title: Microorganisms
Volume of the journal: 11
Issue Number: 4
Collation: 13 Seiten
DOI: 10.26083/tuprints-00023796
Corresponding Links:
Origin: Secondary publication DeepGreen

A wide array of bacteria and fungi are known for their association with pests that impact the health of the olive tree. The latter presents the most economically important cultivation in Tunisia. The microbial diversity associated with olive orchards in Tunisia remains unknown and undetermined. This study investigated microbial diversity to elucidate the microbial interactions that lead to olive disease, and the bio-prospects for potential microbial biocontrol agents associated with insect pests of economic relevance for olive cultivation in the Mediterranean area. Bacterial and fungal isolation was made from soil and olive tree pests. A total of 215 bacterial and fungal strains were randomly isolated from eight different biotopes situated in Sfax (Tunisia), with different management practices. 16S rRNA and ITS gene sequencing were used to identify the microbial community. The majority of the isolated bacteria, Staphylococcus, Bacillus, Alcaligenes, and Providencia, are typical of the olive ecosystem and the most common fungi are Penicillium, Aspergillus, and Cladosporium. The different olive orchards depicted distinct communities, and exhibited dissimilar amounts of bacteria and fungi with distinct ecological functions that could be considered as promising resources in biological control.

Uncontrolled Keywords: bacteria, biological control, fungi, microbial diversity, Olea europaea
Status: Publisher's Version
URN: urn:nbn:de:tuda-tuprints-237969
Additional Information:

This article belongs to the Special Issue Advances in Microbial and Plant Biotechnology

Classification DDC: 500 Science and mathematics > 570 Life sciences, biology
Divisions: 10 Department of Biology > Microbial Control / Insect Virology and Molecular Insect Pathology
Date Deposited: 12 May 2023 08:07
Last Modified: 14 Nov 2023 19:05
SWORD Depositor: Deep Green
URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/23796
PPN: 509909191
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