Arid
Plasmids profiles, antibiotic and heavy metal resistance incidence of endophytic bacteria isolated from grapevine (Vitis vinifera L.)
Altalhi, Abdulla D.
通讯作者Altalhi, Abdulla D.
来源期刊AFRICAN JOURNAL OF BIOTECHNOLOGY
ISSN1684-5315
出版年2009
卷号8期号:21页码:5873-5882
英文摘要

Little is known about the bacterial communities associated with the plant inhabiting desert ecosystem. In this study, the bacterial population associated with grapevine (Vitis vinifera L.) plant, growing desert soil was analyzed using the culture dependent approach. A total of 111 bacterial isolates were isolated from stems and leaves samples, collected from different locations and subjected to further analyses. Based on the identification methods, the bacterial isolates were grouped into 14 genera. The main genera are Acetobacter, Acinetobacter, Citrobacter, Enterobacter, Erwinia, Escherichia, Methylococcus, Xanthomonas, Vibrio, Bacillus, Micrococcus, Planococcus, Staphylococcus and Streptomyces. Significant differences in the endophytic communities were observed between plants collected from different sites and also between plant stems and leaves. All the isolates were examined for plasmid DNA content and resistance to antibiotics (Ampicillin, Kanamycin, Tetracyclin) and heavy metals. Minimum inhibitory concentrations (MICs) of Cu, Cd, Hg, Mn, Ni and Zn for isolates were also determined. Resistance was most frequent to Ampicillin (57%), followed by Kanamycin (53%) and Tetracycline (26%). The highest MICs observed were 10 mu g/ml for mercury, 50 mu g/ml for Cu and Cd and 200 mu g/ml for other metals. On a percentage basis, 18.48% of total strains from leaves were found to harbour plasmids, whereas, 11.83% of the roots isolates contained plasmids.


英文关键词Endophytic bacteria antibiotic resistance heavy metals plasmids
类型Article
语种英语
国家Saudi Arabia
收录类别SCI-E
WOS记录号WOS:000273718700035
WOS关键词PLANT-GROWTH ; WASTE-WATER ; MAIZE ; SOIL ; ROOTS ; COMMUNITIES ; RHIZOSPHERE ; PHYTOREMEDIATION ; BIODIVERSITY ; CROPS
WOS类目Biotechnology & Applied Microbiology
WOS研究方向Biotechnology & Applied Microbiology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/159537
作者单位(1)Taif Univ, Fac Sci, Dept Biol Sci, At Taif, Saudi Arabia
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Altalhi, Abdulla D.. Plasmids profiles, antibiotic and heavy metal resistance incidence of endophytic bacteria isolated from grapevine (Vitis vinifera L.)[J],2009,8(21):5873-5882.
APA Altalhi, Abdulla D..(2009).Plasmids profiles, antibiotic and heavy metal resistance incidence of endophytic bacteria isolated from grapevine (Vitis vinifera L.).AFRICAN JOURNAL OF BIOTECHNOLOGY,8(21),5873-5882.
MLA Altalhi, Abdulla D.."Plasmids profiles, antibiotic and heavy metal resistance incidence of endophytic bacteria isolated from grapevine (Vitis vinifera L.)".AFRICAN JOURNAL OF BIOTECHNOLOGY 8.21(2009):5873-5882.
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