Search Result of "Kei Kamino"

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ที่มา:วิทยาสารเกษตรศาสตร์ สาขา วิทยาศาสตร์

หัวเรื่อง:ไม่มีชื่อไทย (ชื่ออังกฤษ : Study on the Acyl-Homoserine Lactone Production of a Gram-Negative Bacterium Sphingomonas xenophaga by Co-Cultivation with Variovorax paradoxus)

ผู้เขียน:ImgSaranya Phunpruch, ImgKei Kamino



Acyl-homoserine lactone is one of the signal molecules produced for the cell-to-cell communication in Gram-negative bacteria. When bacteria reach the high cell density at a threshold level, they produce acyl-homoserine lactone. Acyl-homoserine lactone can bind to the receptor and then induce the target gene expressions resulting in the decrease of the bacterial populations. From the co-cultivation of Sphingomonas xenophaga that can produce acyl-homoserine lactone and Variovorax paradoxus that can utilize acyl-homoserine lactone as an energy source, it was found that the optimum conditions for cocultivation both bacteria were LB medium and incubation temperature at 20?C. In addition, V. paradoxus could degrade acyl-homoserine lactone produced from S. xenophaga as an energy source resulting in the increase of the 2-fold higher growth rate. The slower death of S. xenophaga by co-cultivation is due to the decrease of acyl-homoserine lactone level.

Article Info
Agriculture and Natural Resources -- formerly Kasetsart Journal (Natural Science), Volume 038, Issue 5, Jan 04 - Jun 04, Page 21 - 28 |  PDF |  Page