Abstract
Kosakonia sacchari sp. nov. is a new species within the new genus Kosakonia, which was included in the genus Enterobacter. K sacchari is a nitrogen-fixing bacterium named for its association with sugarcane (Saccharum officinarum L.). K sacchari bacteria are Gram-negative, aerobic, non-spore-forming, motile rods. Strain SP1T (=CGMCC1.12102T=LMG 26783T) is the type strain of the K sacchari sp. nov and is able to colonize and fix N2 in association with sugarcane plants, thus promoting plant growth. Here we summarize the features of strain SP1T and describe its complete genome sequence. The genome contains a single chromosome and no plasmids, 4,902,024 nucleotides with 53.7% GC content, 4,460 protein-coding genes and 105 RNA genes including 22 rRNA genes, 82 tRNA genes, and 1 ncRNA gene.
Highlights
The genus Enterobacter belonging to the family Enterobacteriaceae is polyphyletic based on 16S rRNA gene sequence analysis [1,2,3]
Enterobacter cowanii, E. radicincitans, E. oryzae and E. arachidis were reclassified as Kosakonia cowanii, K. radicincitans, K. oryzae and K. arachidis, respectively [1]
Enterobacter sacchari is a new species named for nitrogen-fixing bacteria in association with sugarcane (Saccharum officinarum L.) [2,4] and has been reclassified as Kosakonia sacchari [3]
Summary
The genus Enterobacter belonging to the family Enterobacteriaceae is polyphyletic based on 16S rRNA gene sequence analysis [1,2,3]. Eleven species belonging to the genus Enterobacter were transferred into the genus Cronobacter and three novel genera (Lelliottia, Pluralibacter, and Kosakonia) based on multilocus sequence analysis of protein-coding genes, rpoB (RNA polymerase βsubunit gene), gyrB (DNA gyrase subunit B gene), infB (initiation translation factor 2 gene), and atpD (ATP synthase β-subunit gene) [1]. Enterobacter sacchari is a new species named for nitrogen-fixing bacteria in association with sugarcane (Saccharum officinarum L.) [2,4] and has been reclassified as Kosakonia sacchari [3]. K. sacchari strain SP1T was isolated from a surface-sterilized stem of sugarcane cultivar GT11 grown in Nanning, Guangxi, China in 1994. It has been designated the type strain of K. sacchari sp. We present a summary of its features [2] and the complete genome sequence and annotation for _K. sacchari strain SP1T (=CGMCC1.12102T=LMG 26783T)
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