Abstract

We report here the draft genome sequence of “Candidatus Liberibacter asiaticus” strain HHCA, collected from a lemon tree in California. The HHCA strain has a genome size of 1,150,620 bp, 36.5% G+C content, 1,119 predicted open reading frames, and 51 RNA genes.

Highlights

  • We report here the draft genome sequence of “Candidatus Liberibacter asiaticus” strain HHCA, collected from a lemon tree in California

  • For the benefit of HLB research and control, this study sequenced the whole genome of the California strain of “Ca. L. asiaticus,” designated strain HHCA

  • DNA extract of strain HHCA was provided by Plant Pest Diagnostics Center, California Department of Food and Agriculture, with the estimate of 175 pg of “Ca. L. asiaticus” DNA per ␮l

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Summary

Introduction

We report here the draft genome sequence of “Candidatus Liberibacter asiaticus” strain HHCA, collected from a lemon tree in California. C“ andidatus Liberibacter asiaticus” is an unculturable, phloemlimited, alphaproteobacterium associated with citrus Huanglongbing (HLB), a devastating citrus disease worldwide [1, 2]. “Ca. L. asiaticus” has been reported in several southern states of the United States. In 2012, “Ca. L. asiaticus” was detected in a single lemon tree in Hacienda Heights of Los Angeles County, California [5]. The infected tree was quickly removed, and no other “Ca. L. asiaticus”-infected citrus trees have been found in California.

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