Project description:One of the most distinct features of Pseudoalteromonas sp. SCSIO 11900 is its ability to form a very robust pellicle than most Pseudoalteromonas strains. Thus we want to identify the genes essential for the pellicle formation of SCSIO 11900. We compared transcriptom profiles of planktonic cells, initial pellicle and mature pellicle of coral Pseudoalteromonas sp. SCSIO 11900 and revealed that some unique genes from horizontal gene transfer is involved in the pellicle formation of SCSIO 11900.
Project description:MS/MS data obtained from crude extracts from Pseudoalteromonas sp. This data is not publisher yet, so, contact Mr. Christian Martin before use it.
Project description:Ehrlichia chaffeensis is an obligatory intracellular organism, and causes human monocytic ehrlichiosis (HME), a tick-borne illness. Clinical signs of HME vary from asymptomatic infection to severe mobility that requires hospitalization or death. After whole genome sequencing of this bacterium, 425 open reading frames (38%) of 1115 in the genome were found as hypothetical gene with unknown function. A little is known about pathogenicity gene(s) and strain variation of this bacterium to date. Previously several E. chaffeensis strains were shown to be different based on comparison of limited gene sequences (p120, OMP-1[p28]s, and VLPT). To elucidate strain genetic variations and associated virulency, we carried out comparative genome hybridization (CGH) of E. chaffeensis Arkansas, Wakulla and Liberty strains, since these strains are most distinct in the previous studies. The tiling array containing approximately 300,000 probes of 29 nt spaced as dense as 8 bp on both strands of the genome of E. chaffeensis Arkansas was used. Keywords: Comparative genome hybridization
Project description:We compared genetic profiles of planktonic stage to biofilm stage of deep sea bacterium Pseudoalteromonas sp. SM9913 and revealed genetic features during switch from planktonic to pellicle stage in Pseudoalteromonas sp. SM9913.