نتایج جستجو برای: liberibacter

تعداد نتایج: 918  

Journal: :Journal of economic entomology 2016
David G Hall Ute Albrecht Kim D Bowman

Asian citrus psyllid (Diaphorina citri Kuwayama) transmits a bacterium ‘Candidatus Liberibacter asiaticus’ (CLas) putatively responsible for a devastating citrus disease known as Asiatic huanglongbing (HLB) (citrus greening disease). The psyllid and disease have invaded many citrus-growing regions including the United States, where the disease is seriously jeopardizing the Florida citrus indust...

Journal: :Phytopathology 2010
John S Hartung Cristina Paul Diann Achor R H Brlansky

Huanglongbing, or citrus greening, threatens the global citrus industry. The presumptive pathogens, 'Candidatus Liberibacter asiaticus' and 'Ca. L. americanus' can be transferred from citrus to more easily studied experimental hosts by using holoparasitic dodder plants. However, the interaction between 'Candidatus Liberibacter' spp. and the dodder has not been studied. We combined quantitative ...

Journal: :Agronomy 2023

‘Candidatus Liberibacter solanacearum’ (Lso) is a phloem-limited bacterial plant pathogen infecting solanaceous plants in the Americas and New Zealand associated with diseases of apiaceous crops Europe, Northern Africa, Middle East. This also related to other species that infect crops. In USA, two haplotypes Lso, LsoA LsoB, are predominant responsible for potato tomato. Tobacco, Nicotiana tabac...

2006
Wenbin Li John S. Hartung Laurene Levy

Citrus huanglongbing (HLB), also known as citrus greening (3), is considered the most serious disease of citrus worldwide (8). The disease has long been present in Asia, Africa, the Indian subcontinent, the Mascarene Islands, and the Arabian Peninsula (2). It has only recently been found in South and North America (16,26). The pathogen is a gram-negative bacterium belonging to the alpha subdivi...

Journal: :Journal of bacteriology 2013
Xuefeng Wang Jin Tan Ziqin Bai Xiaoling Deng Zhongan Li Changyong Zhou Jianchi Chen

Miniature inverted-repeat transposable elements (MITEs) are nonautonomous transposons (devoid of the transposase gene tps) that affect gene functions through insertion/deletion events. No transposon has yet been reported to occur in “Candidatus Liberibacter asiaticus,” an alphaproteobacterium associated with citrus Huanglongbing (HLB, yellow shoot disease). In this study, two MITEs, MCLas-A and...

2014
Fernando A. Pagliai Christopher L. Gardner Lora Bojilova Amanda Sarnegrim Cheila Tamayo Anastasia H. Potts Max Teplitski Svetlana Y. Folimonova Claudio F. Gonzalez Graciela L. Lorca

The causal agent of Huanglongbing disease, 'Candidatus Liberibacter asiaticus', is a non-culturable, gram negative, phloem-limited α-proteobacterium. Current methods to control the spread of this disease are still limited to the removal and destruction of infected trees. In this study, we identified and characterized a regulon from 'Ca. L. asiaticus' involved in cell wall remodeling, that conta...

2013
Hong Lin Helvecio D. Coletta-Filho Cliff S. Han Binghai Lou Edwin L. Civerolo Marcos A. Machado Goutam Gupta

We report here the draft genome sequence of "Candidatus Liberibacter americanus" strain PW_SP. The 1,176,071-bp genome, with 31.6% G+C content, comprises 948 open reading frames, 38 tRNAs, and three complete rRNAs.

2015
Hong Lin Gerhard Pietersen Cliff Han David Alan Read Binghai Lou Goutam Gupta Edwin L. Civerolo

We report here the complete genome sequence of "Candidatus Liberibacter africanus" strain PTSAPSY. The 1,192,232-bp genome with 34.5% G+C content comprises 1,017 open reading frames, 44 tRNAs, and three complete rRNAs in a circular chromosome.

Journal: :Applied and environmental microbiology 2009
Uma Shankar Sagaram Kristen M DeAngelis Pankaj Trivedi Gary L Andersen Shi-En Lu Nian Wang

The bacterial diversity associated with citrus leaf midribs was characterized for citrus groves that contained the Huanglongbing (HLB) pathogen, which has yet to be cultivated in vitro. We employed a combination of high-density phylogenetic 16S rRNA gene microarrays and 16S rRNA gene clone library sequencing to determine the microbial community composition for symptomatic and asymptomatic citru...

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