Results 161 to 170 of about 45,110 (218)
Phytoplasmas and Phytoplasma Diseases: A Severe Threat to Agriculture
American Journal of Plant Sciences, 2014 Several economically relevant phytoplasma-associated diseases are described together with an update of phytoplasma taxonomy and major biological and molecular features of phytoplasmas. Outlook about persepectives and future work to contain spread of these diseases are also reported.
Assunta Bertaccini +2 more
exaly +4 more sources
Association of a phytoplasma with a yellow leaf syndrome of sugarcane in Africa
Annals of Applied Biology, 1998 Evidence is presented for the association of a phytoplasma, provisionally named sugarcane yellows phytoplasma (ScYP), in sugarcane affected by a yellow leaf syndrome.
Tymon, A. M. +3 more
exaly +2 more sources
Phytoplasma: Phytopathogenic Mollicutes [PDF]
Annual Review of Microbiology, 2000 ▪ Abstract During the past decade, research has yielded new knowledge about the plant and insect host ranges, geographical distribution, and phylogenetic relationships of phytoplasmas, and a taxonomic system has emerged in which distinct phytoplasmas are named as separate “Candidatus phytoplasma species.” In large part, this progress has resulted ...
Ing-Ming Lee, Robert E Davis
exaly +3 more sources
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2023
Phytoplasmas is a class of bacteria that is pathogenic to a wide variety of plant species, and was first identified in 1967. It is characterized by its small genome size, ranging from 0.3 to 1.2 micrometers, and polymorphic polymorphism. It is important for agriculture to identify the factors that contribute to its pathogenicity, as well as to identify
Dr. Shankar Hemanta Gogoi +1 more
openaire +1 more source
Phytoplasmas is a class of bacteria that is pathogenic to a wide variety of plant species, and was first identified in 1967. It is characterized by its small genome size, ranging from 0.3 to 1.2 micrometers, and polymorphic polymorphism. It is important for agriculture to identify the factors that contribute to its pathogenicity, as well as to identify
Dr. Shankar Hemanta Gogoi +1 more
openaire +1 more source
Clover proliferation phytoplasma: ‘Candidatus Phytoplasma trifolii’
International Journal of Systematic and Evolutionary Microbiology, 2004Clover proliferation phytoplasma (CPR) is designated as the reference strain for the CP phylogenetic group or subclade, on the basis of molecular analyses of genomic DNA, the 16S rRNA gene and the 16S–23S spacer region. Other strains related to CPR include alfalfa witches'-broom (AWB), brinjal little leaf (BLL), beet leafhopper-transmitted virescence ...
Chuji, Hiruki, Keri, Wang
openaire +2 more sources
International Journal of Systematic and Evolutionary Microbiology, 1999 A phytoplasma was discovered in diseased specimens of field-grown hortensia (Hydrangea spp.) exhibiting typical phyllody symptoms. PCR amplification of DNA using phytoplasma specific primers detected phytoplasma DNA in all of the diseased plants examined.
Toshimi Sawayanagi +2 more
exaly +2 more sources
2019
The possibility to grow phytoplasmas in complex media as the mycoplasmas was ruled out for more than 40 years due to the inconsistency of the first isolation trials. The use of micropropagated infected periwinkle shoots first and tissues infected directly from the fields on artificial media was recently confirmed.
Contaldo N., A. Bertaccini
openaire +1 more source
The possibility to grow phytoplasmas in complex media as the mycoplasmas was ruled out for more than 40 years due to the inconsistency of the first isolation trials. The use of micropropagated infected periwinkle shoots first and tissues infected directly from the fields on artificial media was recently confirmed.
Contaldo N., A. Bertaccini
openaire +1 more source
2018
A summary of the research carried out on phytoplasma-associated diseases 50 years after their discovery is presented. The great majority of the research was devoted to classification and differentiation of these prokaryotes by molecular and bioinformatic tools applied to specific phytoplasma genes. The availability of a robust classification system has
Assunta Bertaccini, Lee I. -M.
openaire +2 more sources
A summary of the research carried out on phytoplasma-associated diseases 50 years after their discovery is presented. The great majority of the research was devoted to classification and differentiation of these prokaryotes by molecular and bioinformatic tools applied to specific phytoplasma genes. The availability of a robust classification system has
Assunta Bertaccini, Lee I. -M.
openaire +2 more sources
2018
The diseases associated with phytoplasmas in grapevine are collectively called yellows and occur in the majority of grapevine-growing regions over the world. At first, a short overview of symptoms and damage associated with the presence of grapevine phytoplasmas is reported.
Angelini E. +5 more
openaire +3 more sources
The diseases associated with phytoplasmas in grapevine are collectively called yellows and occur in the majority of grapevine-growing regions over the world. At first, a short overview of symptoms and damage associated with the presence of grapevine phytoplasmas is reported.
Angelini E. +5 more
openaire +3 more sources
Phytoplasma: Ecology and Genomic Diversity [PDF]
Phytopathology, 1998 The recent development of molecular-based probes such as mono- and polyclonal antibodies, cloned phytoplasma DNA fragments, and phytoplasma-specific primers for polymerase chain reaction (PCR) has allowed for advances in detection and identification of uncultured phytoplasmas (formerly called mycoplasma-like organisms).
Ing-Ming Lee, Assunta Bertaccini
exaly +4 more sources