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BACTERIA ASSOCIATED WITH THE RHIZOSPHERE OF MANGANESE-DEFICIENT DATE PALMS AFFECTED BY BRITTLE LEAF DISEASE
Marques, J.1; Duran-Vila, N.2; Namsi, A.3; Bove, J. M.4,5; Daros, J. A.1
通讯作者Daros, J. A.
来源期刊JOURNAL OF PLANT PATHOLOGY
ISSN1125-4653
出版年2012
卷号94期号:1页码:157-169
英文摘要

Brittle leaf disease or "Maladie des feuilles cassantes" (MFC) is a disorder affecting date palm (Phoenix dactylifera) orchards in oases of southern Tunisia. No causal pathogen has yet been identified, despite search for nematodes, fungi, bacteria, viruses and viroids. Although the soils of the oases in which affected palms grow have similar contents of total and exchangeable manganese (Mn) compared with oases with no disease, the leaflets of affected palms are deficient in this element. Here, we characterized the bacterial flora in the rhizosphere of three MFC-affected date palms and three non-affected controls. Our results show a high bacterial diversity in the date palm rhizosphere. From 201 clones corresponding to a 16S rDNA PCR fragment, we identified 177 different bacterial phylotypes. Some of them corresponded potentially to Mn-oxidizing bacteria that may be involved in soil Mn oxidation and, consequently, deplete this micronutrient in MFC-affected date palms. More detailed studies are necessary to establish the exact role of these bacteria in the disease syndrome.


英文关键词brittle leaf disease MFC date palm rhizosphere bacteria Mn-oxidizing bacteria
类型Article
语种英语
国家Spain ; Tunisia ; France
收录类别SCI-E
WOS记录号WOS:000302375300016
WOS关键词DES FEUILLES CASSANTES ; OXIDATION ; IDENTIFICATION ; RNAS ; GB-1
WOS类目Plant Sciences
WOS研究方向Plant Sciences
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/173810
作者单位1.Univ Politecn Valencia, Inst Biol & Mol Celular Plantas, Consejo Super Invest Cient, Valencia 46022, Spain;
2.Inst Valenciano Invest Agr, E-46113 Moncada, Valencia, Spain;
3.Ctr Reg Rech Agr Oasienne Degache, Degache 2260, Tunisia;
4.INRA, Lab Biol Cellulaire & Mol, F-33883 Villenave Dornon, France;
5.Univ Victor Segalen Bordeaux 2, F-33883 Villenave Dornon, France
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Marques, J.,Duran-Vila, N.,Namsi, A.,et al. BACTERIA ASSOCIATED WITH THE RHIZOSPHERE OF MANGANESE-DEFICIENT DATE PALMS AFFECTED BY BRITTLE LEAF DISEASE[J],2012,94(1):157-169.
APA Marques, J.,Duran-Vila, N.,Namsi, A.,Bove, J. M.,&Daros, J. A..(2012).BACTERIA ASSOCIATED WITH THE RHIZOSPHERE OF MANGANESE-DEFICIENT DATE PALMS AFFECTED BY BRITTLE LEAF DISEASE.JOURNAL OF PLANT PATHOLOGY,94(1),157-169.
MLA Marques, J.,et al."BACTERIA ASSOCIATED WITH THE RHIZOSPHERE OF MANGANESE-DEFICIENT DATE PALMS AFFECTED BY BRITTLE LEAF DISEASE".JOURNAL OF PLANT PATHOLOGY 94.1(2012):157-169.
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