Phytoplasmas: diversity, taxonomy, and epidemiology

被引:192
作者
Bertaccini, Assunta [1 ]
机构
[1] Univ Bologna, Alma Mater Studiorum, DiSTA Plant Pathol, I-40127 Bologna, Italy
来源
FRONTIERS IN BIOSCIENCE-LANDMARK | 2007年 / 12卷
关键词
phytoplasmas; plant diseases; PCR/; RFLP; molecular identification; review;
D O I
10.2741/2092
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Phytoplasma associated diseases are spread worldwide, and in several cases are associated with severe epidemic of very often quarantine importance. These plant pathogens are prokaryotes belonging to the Mollicutes class since they lack a cell wall; up to now they were not cultivated in axenic culture therefore Koch postulates are only sometimes fulfilled by using alternative tools, such as graft or insect transmission. The possibility to design specific primers for highly conserved genes such as 16S ribosomal gene together with the use of molecular probes randomly cloned from phytoplasma genome, allowed discriminating and molecularly classifying them. Now a certain amount of knowledge is available that allow starting epidemiological studies in order to prevent further spreading of phytoplasma-associated diseases. In this paper molecular, biological and epidemiological characteristics of phytoplasma associated with important diseases worldwide are described.
引用
收藏
页码:673 / 689
页数:17
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