Arid
DOI10.1007/s00572-010-0323-5
Unique arbuscular mycorrhizal fungal communities uncovered in date palm plantations and surrounding desert habitats of Southern Arabia
Al-Yahya’ei, Mohamed N.1,2,3,4; Oehl, Fritz1,5; Vallino, Marta2,3; Lumini, Erica2,3; Redecker, Dirk1,6; Wiemken, Andres1; Bonfante, Paola2,3
通讯作者Al-Yahya’ei, Mohamed N.
来源期刊MYCORRHIZA
ISSN0940-6360
出版年2011
卷号21期号:3页码:195-209
英文摘要

The main objective of this study was to shed light on the previously unknown arbuscular mycorrhizal fungal (AMF) communities in Southern Arabia. We explored AMF communities in two date palm (Phoenix dactylifera) plantations and the natural vegetation of their surrounding arid habitats. The plantations were managed traditionally in an oasis and according to conventional guidelines at an experimental station. Based on spore morphotyping, the AMF communities under the date palms appeared to be quite diverse at both plantations and more similar to each other than to the communities under the ruderal plant, Polygala erioptera, growing at the experimental station on the dry strip between the palm trees, and to the communities uncovered under the native vegetation (Zygophyllum hamiense, Salvadora persica, Prosopis cineraria, inter-plant area) of adjacent undisturbed arid habitat. AMF spore abundance and species richness were higher under date palms than under the ruderal and native plants. Sampling in a remote sand dune area under Heliotropium kotschyi yielded only two AMF morphospecies and only after trap culturing. Overall, 25 AMF morphospecies were detected encompassing all study habitats. Eighteen belonged to the genus Glomus including four undescribed species. Glomus sinuosum, a species typically found in undisturbed habitats, was the most frequently occurring morphospecies under the date palms. Using molecular tools, it was also found as a phylogenetic taxon associated with date palm roots. These roots were associated with nine phylogenetic taxa, among them eight from Glomus group A, but the majority could not be assigned to known morphospecies or to environmental sequences in public databases. Some phylogenetic taxa seemed to be site specific. Despite the use of group-specific primers and efficient trapping systems with a bait plant consortium, surprisingly, two of the globally most frequently found species, Glomus intraradices and Glomus mosseae, were not detected neither as phylogenetic taxa in the date palm roots nor as spores under the date palms, the intermediate ruderal plant, or the surrounding natural vegetation. The results highlight the uniqueness of AMF communities inhabiting these diverse habitats exposed to the harsh climatic conditions of Southern Arabia.


英文关键词Date palm Arbuscular mycorrhiza Biodiversity Natural vegetation Dry land Desert Oasis Southern Arabia
类型Article
语种英语
国家Switzerland ; Italy ; Oman ; France
收录类别SCI-E
WOS记录号WOS:000288459400006
WOS关键词PHOENIX-DACTYLIFERA L. ; LAND-USE INTENSITY ; SULTANATE-OF-OMAN ; WAHIBA SAND SEA ; SOIL ; DIVERSITY ; ROOTS ; PHOSPHORUS ; GLOMUS ; IDENTIFICATION
WOS类目Mycology
WOS研究方向Mycology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/169724
作者单位1.Univ Basel, Inst Bot, Zurich Basel Plant Sci Ctr, CH-4056 Basel, Switzerland;
2.Univ Turin, Dipartimento Biol Vegetale, I-10125 Turin, Italy;
3.IPP CNR, I-10125 Turin, Italy;
4.Minist Agr, Soil & Water Res Ctr, Muscat, Oman;
5.Agroscope Reckenholz Tanikon Res Stn ART, CH-8046 Zurich, Switzerland;
6.Univ Bourgogne, INRA, UMR Microbiol Sol & Environm, F-21065 Dijon, France
推荐引用方式
GB/T 7714
Al-Yahya’ei, Mohamed N.,Oehl, Fritz,Vallino, Marta,et al. Unique arbuscular mycorrhizal fungal communities uncovered in date palm plantations and surrounding desert habitats of Southern Arabia[J],2011,21(3):195-209.
APA Al-Yahya’ei, Mohamed N..,Oehl, Fritz.,Vallino, Marta.,Lumini, Erica.,Redecker, Dirk.,...&Bonfante, Paola.(2011).Unique arbuscular mycorrhizal fungal communities uncovered in date palm plantations and surrounding desert habitats of Southern Arabia.MYCORRHIZA,21(3),195-209.
MLA Al-Yahya’ei, Mohamed N.,et al."Unique arbuscular mycorrhizal fungal communities uncovered in date palm plantations and surrounding desert habitats of Southern Arabia".MYCORRHIZA 21.3(2011):195-209.
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