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Pseudomonas fulva : ウィキペディア英語版 | Pseudomonas fulva
''Pseudomonas fulva'' is a Gram-negative environmental bacterium, originally isolated from rice and commonly associated with rice plants, grains and paddy fields. It is rod-shaped and motile using one to three polar flagella.〔George M. Garrity: ''Bergey's Manual of Systematic Bacteriology''. 2. Auflage. Springer, New York, 2005, Volume 2: ''The Proteobacteria, Part B: The Gammaproteobacteria''〕 Based on 16S rRNA analysis, ''P. fulva'' has been placed in the ''P. putida'' group. ''P. fulva'' is symbiotic in the gut of ''Hypothenemus hampei'', the primary pest of coffee seeds. It has been shown to thrive by digesting caffeine to obtain nitrogen, while enabling the host insect to live on green coffee berries without harm. ''P. Fulva'' was one of fourteen bacteria found in the digestive tract of the insects to thrive in a medium high in caffeine. The bacteria were screened for the gene ndmA that is known to transform caffeine, only ''P. fulva'' possessed this gene. It is surmised that the other bacteria help break down the caffeine using different genes. ==References==
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