CLC number: Q93
On-line Access: 2024-08-27
Received: 2023-10-17
Revision Accepted: 2024-05-08
Crosschecked: 2013-11-24
Cited: 4
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Ines Ben Chobba, Amine Elleuch, Imen Ayadi, Lamia Khannous, Ahmed Namsi, Frederique Cerqueira, Noureddine Drira, Néji Gharsallah, Tatiana Vallaeys. Fungal diversity in adult date palm (Phoenix dactylifera L.) revealed by culture-dependent and culture-independent approaches[J]. Journal of Zhejiang University Science B, 2013, 14(12): 1084-1099.
@article{title="Fungal diversity in adult date palm (Phoenix dactylifera L.) revealed by culture-dependent and culture-independent approaches",
author="Ines Ben Chobba, Amine Elleuch, Imen Ayadi, Lamia Khannous, Ahmed Namsi, Frederique Cerqueira, Noureddine Drira, Néji Gharsallah, Tatiana Vallaeys",
journal="Journal of Zhejiang University Science B",
volume="14",
number="12",
pages="1084-1099",
year="2013",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.B1200300"
}
%0 Journal Article
%T Fungal diversity in adult date palm (Phoenix dactylifera L.) revealed by culture-dependent and culture-independent approaches
%A Ines Ben Chobba
%A Amine Elleuch
%A Imen Ayadi
%A Lamia Khannous
%A Ahmed Namsi
%A Frederique Cerqueira
%A Noureddine Drira
%A Néji Gharsallah
%A Tatiana Vallaeys
%J Journal of Zhejiang University SCIENCE B
%V 14
%N 12
%P 1084-1099
%@ 1673-1581
%D 2013
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.B1200300
TY - JOUR
T1 - Fungal diversity in adult date palm (Phoenix dactylifera L.) revealed by culture-dependent and culture-independent approaches
A1 - Ines Ben Chobba
A1 - Amine Elleuch
A1 - Imen Ayadi
A1 - Lamia Khannous
A1 - Ahmed Namsi
A1 - Frederique Cerqueira
A1 - Noureddine Drira
A1 - Néji Gharsallah
A1 - Tatiana Vallaeys
J0 - Journal of Zhejiang University Science B
VL - 14
IS - 12
SP - 1084
EP - 1099
%@ 1673-1581
Y1 - 2013
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.B1200300
Abstract: Endophytic flora plays a vital role in the colonization and survival of host plants, especially in harsh environments, such as arid regions. This flora may, however, contain pathogenic species responsible for various troublesome host diseases. The present study is aimed at investigating the diversity of both cultivable and non-cultivable endophytic fungal floras in the internal tissues (roots and leaves) of Tunisian date palm trees (Phoenix dactylifera). Accordingly, 13 isolates from both root and leaf samples, exhibiting distinct colony morphology, were selected from potato dextrose agar (PDA) medium and identified by a sequence match search wherein their 18S–28S internal transcribed spacer (ITS) sequences were compared to those available in public databases. These findings revealed that the cultivable root and leaf isolates fell into two groups, namely Nectriaceae and Pleosporaceae. Additionally, total DNA from palm roots and leaves was further extracted and ITS fragments were amplified. Restriction fragment length polymorphism (RFLP) analysis of the ITS from 200 fungal clones (leaves: 100; roots: 100) using HaeIII restriction enzyme revealed 13 distinct patterns that were further sequenced and led to the identification of Alternaria, Cladosporium, Davidiella (Cladosporium teleomorph), Pythium, Curvularia, and uncharacterized fungal endophytes. Both approaches confirmed that while the roots were predominantly colonized by Fusaria (members of the Nectriaceae family), the leaves were essentially colonized by Alternaria (members of the Pleosporaceae family). Overall, the findings of the present study constitute, to the authors’ knowledge, the first extensive report on the diversity of endophytic fungal flora associated with date palm trees (P. dactylifera).
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