Leifsonia xyli: Difference between revisions
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Revision as of 23:15, 18 November 2007
{{subst:ifu |title=Leifsonia xyli Photo: © Peter Cooker and William Fett, ASM MicrobeLibrary |tag=Template:Non-free web screenshot |url=http://www.ncbi.nlm.nih.gov/sutils/static/GP_IMAGE/PlantPathogenes.jpg |reason=leifsonia xylineed a picture and this one is perfect. |DoNotTouchThisLine=--Tnkirby 23:05, 18 November 2007 (UTC)}}
Classification
Leifsonia xyli is a Gram negative, aerobic, Rod shaped organism, with arrangment in singles or pairs. It has no Endospores or motility and has a host-associated habitat with opt. temperatures for growth at 20-25 degress celcius with a range in the Mesophilic. It is pathogenic to plants and causes Ratoon stunting disease. [1]
Higher Order Taxa
Taxonomy: root;cellular organism;Bacteria;Actinobacteria;Actinobacteria (class);Actinobacteridae;Actinomycetales;Micrococcineae;Microbacteriaceae;Leifsonia [2]
Species
This species comprises two xylema-associated, fastidious, slow growing subspecies, L. xyli subsp. xyli and L. xyli subsp. cynodontis.[3]
Description and significance
causes ratoon stunting (growth-hindering) disease of sugarcane and Bermudagrass stunting disease, respectively. Ratoon stunting disease is the most economically important disease of sugarcane resulting in 10-15% loss in crop yields worldwide. The disease is difficult to identify and is transmitted mechanically or through infected seeds. Pathogenicity has been associated with production of a toxin. [4]
