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Evidence of two lineages of the symbiont ‘Candidatus Erwinia dacicola’ in Italian populations of Bactrocera oleae (Rossi) based on 16S rRNA gene sequences

Citation
Savio et al. (2012). International Journal of Systematic and Evolutionary Microbiology 62 (1)
Names
Ca. Erwinia dacicola
Abstract
The close association between the olive flyBactrocera oleae(Rossi) (Diptera: Tephritidae) and bacteria has been known for more than a century. Recently, the presence of a host-specific, hereditary, unculturable symbiotic bacterium, designated ‘CandidatusErwinia dacicola’, has been described inside the cephalic organ of the fly, called the oesophageal bulb. In the present study, the 16S rRNA gene sequence variability of ‘Ca.E. dacicola’ was examined within and between 26 Italian olive fly populat

Effects of Temperature on ‘Candidatus Liberibacter solanacearum’ and Zebra Chip Potato Disease Symptom Development

Citation
Munyaneza et al. (2012). Plant Disease 96 (1)
Names
“Liberibacter solanacearum”
Abstract
Temperature has been shown to have a significant effect on development of liberibacter species associated with citrus Huanglongbing disease. ‘Candidatus Liberibacter africanus’ and ‘Ca. L. americanus’ are both heat sensitive, whereas ‘Ca. L. asiaticus’ is heat tolerant. The recently described ‘Ca. L. solanacearum’ is associated with zebra chip (ZC), a newly emerging and economically important disease of potato worldwide. This psyllid-transmitted liberibacter species severely affects several oth

Effect of ‘Candidatus Liberibacter solanacearum’ on Fitness of Its Insect Vector, Bactericera cockerelli (Hemiptera: Triozidae), on Tomato

Citation
Nachappa et al. (2012). Phytopathology® 102 (1)
Names
“Liberibacter solanacearum”
Abstract
The potato/tomato psyllid, Bactericera cockerelli transmits the bacterium ‘Candidatus Liberibacter solanacearum’, also known as ‘Ca. L. psyllaurous’, which causes zebra chip disease in solanaceous crops. There have been no studies addressing the effect of the bacterial plant pathogen on the biology of its insect vector. We examined several life-history traits, including 7-day fecundity, hatching percentage, incubation time, nymphal survival percentage, nymphal development time, total developmen