4.5 Review

A Review of the 'Candidatus Liberibacter africanus' Citrus Pathosystem in Africa

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Genetic diversity of 'Candidatus Liberibacter africanus' in South Africa based on microsatellite markers

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Summary: By analyzing microsatellites of 167 'Candidatus Liberibacter africanus' (Laf) isolates from different regions in South Africa, it was found that most sources belong to two major genetic groups with 25 distinct haplotypes. The study also revealed that Laf populations in SA are formed by geographic locality, indicating a high genetic diversity within Laf in the country.

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A stable antimicrobial peptide with dual functions of treating and preventing citrus Huanglongbing

Chien-Yu Huang et al.

Summary: SAMP, a stable antimicrobial peptide, shows promising results in controlling HLB by reducing CLas titer, alleviating symptoms, and inducing innate immunity in plants. Its heat stability makes it suitable for field applications, and further research is needed to determine its efficacy and ideal mode of application in future field trials.

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Does the African Citrus psyllid, Trioza erytreae (Del Guercio) (Hemiptera: Triozidae), Represent a Phytosanitary Threat to the Citrus Industry in Mexico?

Said Espinosa-Zaragoza et al.

Summary: The study used ecological niche modeling approach to explore the environmental suitability for Trioza erytreae establishment in Mexico. Mexico has wide environmental availability for the invasion of this citrus psyllid, with Veracruz port being a vital point for preventive monitoring due to its proximity to citrus areas.

INSECTS (2021)

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Spatiotemporal Dynamics of 'Candidatus Liberibacter asiaticus' Colonization Inside Citrus Plant and Huanglongbing Disease Development

Sheo Shankar Pandey et al.

Summary: The study found that the causal agent of citrus huanglongbing, 'Candidatus Liberibacter asiaticus' (CLas), can passively and actively move within plants after transmission by the Asian citrus psyllid (ACP). ACPs were unable to transmit CLas by feeding on mature leaves, highlighting the importance of focusing on young leaves in the management of huanglongbing.

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Overview of citrus huanglongbing spread and management strategies in Brazil

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A novel subspecies of 'Candidatus Liberibacter africanus' found on native Teclea gerrardii (Family: Rutaceae) from South Africa

Ronel Roberts et al.

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Long-Term Field Evaluation Reveals Huanglongbing Resistance in Citrus Relatives

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Diaphorina citri (Hemiptera: Liviidae) Abundance in Puerto Rico Declines with Elevation

David A. Jenkins et al.

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Three novel lineages of 'Candidatus Liberibacter africanus' associated with native rutaceous hosts of Trioza erytreae in South Africa

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Daniel Burckhardt et al.

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Screening Antimicrobial Peptides In Vitro for Use in Developing Transgenic Citrus Resistant to Huanglongbing and Citrus Canker

Ed Stover et al.

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Widespread occurrence of Candidatus liberibacter africanus subspecies capensis in Calodendrum capense in South Africa

McLedwaba Nkgobe Baby Phahladira et al.

EUROPEAN JOURNAL OF PLANT PATHOLOGY (2012)

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Molecular characterization of 'Candidatus Liberibacter' species/strains causing huanglongbing disease of citrus in Kenya

Titus O. Magomere et al.

ELECTRONIC JOURNAL OF BIOTECHNOLOGY (2009)

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The tufB-secE-nusG-rplKAJL-rpoB gene cluster of the liberibacters: sequence comparisons, phylogeny and speciation

D. C. Teixeira et al.

INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY (2008)

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Diversity of Candidatus Liberibacter asiaticus, based on the omp gene sequence

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