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DOI	10.1002/jobm.201900471
	Diversity of arbuscular mycorrhizal fungi associated with acacia trees in southwestern Saudi Arabia
	Mahdhi, Mosbah 1; Tounekti, Taieb 1; Abada, Emad 2; Al-Faifi, Zarraq 1,2; Khemira, Habib 1
通讯作者	Mahdhi, Mosbah
来源期刊	JOURNAL OF BASIC MICROBIOLOGY
ISSN	0233-111X
EISSN	1521-4028
出版年	2020
卷号	60 期号:4 页码:322-330
英文摘要	Acacia species produce extensive, deep root systems with a capacity to develop mycorrhizal symbioses that facilitate plant nutrition via enhanced soil nutrient absorption. This study aimed to evaluate the mycorrhizal status and the diversity of arbuscular mycorrhizal fungi (AMF) associated with acacia trees in southwestern Saudi Arabia. The mycorrhizal status varied greatly between species. The highest values of AMF root colonization and spore density were observed in the roots and in the rhizospheric soil of Acacia negrii. DNA was extracted from plant roots and the AMF large subunit ribosomal DNA (LSU rDNA) was amplified by a nested polymerase chain reaction. A total of 274 LSU rDNA cloned fragments from roots of the three acacia trees were sequenced. Phylogenetic analysis revealed a high AMF diversity, especially in Acacia tortilis. On the basis of LSU rDNA sequences, AMF was grouped into five genera: Glomus, Claroideoglomus, Acaulospora, Gigaspora, and Scutellospora. The genus Glomus fungi were the dominant colonizers of all three acacia species, while the genus Scutellospora fungi were found only in A. tortilis roots. The high AMF-acacia diversity suggests that AMF plays an important role in the sustainability of acacia species in the arid environment.
英文关键词	Acacia arbuscular mycorrhizal fungi desertification molecular diversity
类型	Article
语种	英语
国家	Saudi Arabia
收录类别	SCI-E
WOS记录号	WOS:000502668000001
WOS关键词	MOLECULAR DIVERSITY ; ROOTS ; COLONIZATION ; COMMUNITIES ; ECOSYSTEM ; GROWTH ; SOILS ; FIELD ; L.
WOS类目	Microbiology
WOS研究方向	Microbiology
EI主题词	2019-12-16
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/311804
作者单位	1.Jazan Univ, Ctr Environm Res & Studies, POB 114, Jazan 82817, Saudi Arabia; 2.Jazan Univ, Dept Biol, Fac Sci, Jazan, Saudi Arabia
推荐引用方式 GB/T 7714	Mahdhi, Mosbah,Tounekti, Taieb,Abada, Emad,et al. Diversity of arbuscular mycorrhizal fungi associated with acacia trees in southwestern Saudi Arabia[J],2020,60(4):322-330.
APA	Mahdhi, Mosbah,Tounekti, Taieb,Abada, Emad,Al-Faifi, Zarraq,&Khemira, Habib.(2020).Diversity of arbuscular mycorrhizal fungi associated with acacia trees in southwestern Saudi Arabia.JOURNAL OF BASIC MICROBIOLOGY,60(4),322-330.
MLA	Mahdhi, Mosbah,et al."Diversity of arbuscular mycorrhizal fungi associated with acacia trees in southwestern Saudi Arabia".JOURNAL OF BASIC MICROBIOLOGY 60.4(2020):322-330.