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First Report of Dodder Transmission of ‘Candidatus Liberibacter asiaticus’ to Tomato (Lycopersicon esculentum)

Citation
Duan et al. (2008). Plant Disease 92 (5)
Names
Ca. Liberibacter asiaticus
Abstract
Citrus huanglongbing (HLB) is one of the most devastating diseases of citrus worldwide. The disease is associated with three different species of fastidious α-proteobacteria, namely ‘Candidatus Liberibacter asiaticus’, Ca. L. americanus, and Ca. L. africanus (1). ‘Ca. L. asiaticus’ was first detected in South Florida in 2005 and has spread throughout the citrus-growing areas of Florida. ‘Ca. L. asiaticus’ is transmitted naturally by the Asian citrus psyllid, Diaphorina citri, and can also be tr

Characterization of putative membrane protein genes of the ‘Candidatus Phytoplasma asteris’, chrysanthemum yellows isolate

Citation
Galetto et al. (2008). Canadian Journal of Microbiology 54 (5)
Names
Ca. Phytoplasma asteris
Abstract
To characterize potentially important surface-exposed proteins of the phytoplasma causing chrysanthemum yellows (CY), new primers were designed based on the conserved regions of 3 membrane protein genes of the completely sequenced onion yellows and aster yellows witches’ broom phytoplasmas and were used to amplify CY DNA. The CY genes secY, amp, and artI, encoding the protein translocase subunit SecY, the antigenic membrane protein Amp and the arginine transporter ArtI, respectively, were clone

Intact Membrane Lipids of “ Candidatus Nitrosopumilus maritimus,” a Cultivated Representative of the Cosmopolitan Mesophilic Group I Crenarchaeota

Citation
Schouten et al. (2008). Applied and Environmental Microbiology 74 (8)
Names
Ca. Nitrosopumilus maritimus
Abstract
ABSTRACT In this study we analyzed the membrane lipid composition of “ Candidatus Nitrosopumilus maritimus,” the only cultivated representative of the cosmopolitan group I crenarchaeota and the only mesophilic isolate of the phylum Crenarchaeota . The core lipids of “ Ca . Nitrosopumilus maritimus” consisted of glycerol dialkyl glycerol tetraethers (GDGTs) with zero to four cyclopentyl moieties. Crenar

Detection of ‘Candidatus Liberibacter asiaticus’ in Diaphorina citri and Its Importance in the Management of Citrus Huanglongbing in Florida

Citation
Manjunath et al. (2008). Phytopathology® 98 (4)
Names
Ca. Liberibacter asiaticus
Abstract
Citrus huanglongbing (HLB or citrus greening), is a highly destructive disease that has been spreading in both Florida and Brazil. Its psyllid vector, Diaphorina citri Kuwayama, has spread to Texas and Mexico, thus threatening the future of citrus production elsewhere in mainland North America. Even though sensitive diagnostic methods have been developed for detection of the causal organisms, Candidatus Liberibacter spp., the pathogen cannot be detected consistently in plants until symptoms dev

Identification and Ecophysiological Characterization of Epiphytic Protein-Hydrolyzing Saprospiraceae (“ Candidatus Epiflobacter” spp.) in Activated Sludge

Citation
Xia et al. (2008). Applied and Environmental Microbiology 74 (7)
Names
Ca. Epiflobacter
Abstract
ABSTRACT The identity and ecophysiology of a group of uncultured protein-hydrolyzing epiphytic rods attached to filamentous bacteria in activated sludge from nutrient removal plants were investigated by using the full-cycle rRNA approach combined with microautoradiography and histochemical staining. The epiphytic group consists of three closely related clusters, each containing 11 to 16 clones. The closest related cultured isolate is the type strain Haliscomeno

First Report of ‘Candidatus Phytoplasma trifolii’-Related Strain Associated with Safflower Phyllody Disease in Iran

Citation
Salehi et al. (2008). Plant Disease 92 (4)
Names
Ca. Phytoplasma trifolii
Abstract
During a survey in 2003, safflower plants (Carthamus tinctorius) with phyllody symptoms were observed in production fields in several districts of Fars and Yazd provinces in Iran. Affected plants showed floral virescence, phyllody, proliferation of axillary buds, and little leaf symptoms. Incidence of the disease was less than 10%. Direct and nested PCR assays were used to verify association of phytoplasma with the disease. Total DNA was extracted from fresh, fine roots of eight phyllody-affect