Erwinia teleogrylli sp. nov., a Bacterial Isolate Associated with a Chinese Cricket

PloS One
Bo LiuYong-Qiang Tian

Abstract

A bacterial isolate (SCU-B244T) was obtained in China from crickets (Teleogryllus occipitalis) living in cropland deserted for approximately 10 years. The isolated bacteria were Gram-negative, facultatively anaerobic, oxidase-negative rods. A preliminary analysis of the 16S rRNA gene sequence indicated that the strain belongs to either the genus Erwinia or Pantoea. Analysis of multilocus sequence typing based on concatenated partial atpD, gyrB and infB gene sequences and physiological and biochemical characteristics indicated that the strain belonged to the genus Erwinia, as member of a new species as it was distinct from other known Erwinia species. Further analysis of the 16S rRNA gene showed SCU-B244T to have 94.71% identity to the closest species of that genus, Erwinia oleae (DSM 23398T), which is below the threshold of 97% used to discriminate bacterial species. DNA-DNA hybridization results (5.78±2.52%) between SCU-B244T and Erwinia oleae (DSM 23398T) confirmed that SCU-B244T and Erwinia oleae (DSM 23398T) represent different species combined with average nucleotide identity values which range from 72.42% to 74.41. The DNA G+C content of SCU-B244T was 55.32 mol%, which also differs from that of Erwinia oleae (54.7 to 54.9...Continue Reading

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Citations

Aug 18, 2016·International Journal of Systematic and Evolutionary Microbiology·Aharon Oren, George M Garrity
Feb 28, 2018·International Journal of Systematic and Evolutionary Microbiology·Marike PalmerStephanus N Venter
Aug 19, 2018·Archives of Insect Biochemistry and Physiology·Linling HeYongqiang Tian
Jul 12, 2017·Archives of Microbiology·Luigimaria BorrusoStefano Benini

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Datasets Mentioned

BETA
LLXO00000000

Methods Mentioned

BETA
transmission electron microscopy
PCR
scraping

Software Mentioned

Orthologous Average Nucleotide Identity Tool ( OAT
EzTaxon
EzGenome
MEGA

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