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Updated: Dec 14, 2025

Field-Deployable Candidatus Liberibacter asiaticus Detection Using Recombinase Polymerase Amplification Combined with CRISPR-Cas12a
Published on: December 23, 2022
Genome Sequence Resource of 'Candidatus Liberibacter asiaticus' strain 9PA From Brazil
P A Silva1, J Huang2, N A Wulff1
1Fundo de Defesa da Citricultura-Fundecitrus, Araraquara, SP, Brazil.
Abstract:
'Candidatus Liberibacter asiaticus', an unculturable α-proteobacterium, is associated with citrus huanglongbing (HLB), a devastating disease threatening citrus production in Brazil and worldwide. In this study, a draft whole-genome sequence of 'Ca. L. asiaticus' strain 9PA from a sweet orange (cultivar Pera) tree collected in São Paulo State, Brazil, is reported. The 9PA genome is 1,231,881 bp, including two prophages, with G+C content of 36.7%. This is the first report of a whole-genome sequence of 'Ca. L. asiaticus' from Brazil or South America. The 9PA genome sequence will enrich 'Ca. L. asiaticus' genome resources and facilitate HLB research and control in Brazil and the world.
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