Abstract
Spiroplasma kunkelii causes corn stunt disease of Zea mays L. in the Americas. Here, we report the nucleotide sequence of the 1,463,926-bp circular chromosome and four plasmids of strain CR2-3x. This information will facilitate studies of Spiroplasma pathogenicity and evolutionary adaptations to transkingdom parasitism in plants and insect vectors.
Highlights
Spiroplasma kunkelii causes corn stunt disease of Zea mays L. in the Americas
While the first recognized spiroplasma was discovered in a diseased plant and insect vector [1,2,3], non-plantpathogenic spiroplasmas have been reported as residents on surfaces of flowers, as symbionts of ticks and diverse insect species, and as pathogens of honey bee, crustaceans, and, apparently, humans [4,5,6,7,8,9,10,11]
We report the complete nucleotide sequence of the circular chromosome and four plasmids of Spiroplasma kunkelii strain CR2-3x, which was isolated in axenic culture from naturally infected, field-grown plants of corn (Zea mays L.) in Costa Rica [12]
Summary
Spiroplasma kunkelii causes corn stunt disease of Zea mays L. in the Americas. Here, we report the nucleotide sequence of the 1,463,926-bp circular chromosome and four plasmids of strain CR2-3x. While the first recognized spiroplasma was discovered in a diseased plant and insect vector [1,2,3], non-plantpathogenic spiroplasmas have been reported as residents on surfaces of flowers, as symbionts of ticks and diverse insect species, and as pathogens of honey bee, crustaceans, and, apparently, humans [4,5,6,7,8,9,10,11]. A human-infecting spiroplasma was identified as a strain of the horse fly (Haematopota sp.) symbiont, Spiroplasma turonicum [11].
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