Chi site

A Chi site or Chi sequence is a short stretch of DNA in the genome of a bacterium near which homologous recombination is more likely than expected to occur. Chi sites serve as stimulators of DNA double-strand break repair in bacteria, which can arise from radiation or chemical treatments, or result from replication fork breakage during DNA replication. The sequence of the Chi site is unique to each group of closely related organisms; in E. coli and other enteric bacteria, such as Salmonella, the sequence is 5'-GCTGGTGG-3'. The existence of Chi sites was originally discovered in the genome of bacteriophage lambda, a virus that infects E. coli, but is now known to occur about 1000 times in the E. coli genome.

单词	Chi site
释义	Chi site 英语百科 Chi site A Chi site or Chi sequence is a short stretch of DNA in the genome of a bacterium near which homologous recombination is more likely than expected to occur. Chi sites serve as stimulators of DNA double-strand break repair in bacteria, which can arise from radiation or chemical treatments, or result from replication fork breakage during DNA replication. The sequence of the Chi site is unique to each group of closely related organisms; in E. coli and other enteric bacteria, such as Salmonella, the sequence is 5'-GCTGGTGG-3'. The existence of Chi sites was originally discovered in the genome of bacteriophage lambda, a virus that infects E. coli, but is now known to occur about 1000 times in the E. coli genome.
随便看	co2 waterglass process co2 welding CO3 co3 fixation co3 gas arc welding co3 graphite reactor co3 gross rate co3 incubator co3 laser co3laser communication co3laser propelled rocket co3 net rate Co60 radiotherapy unit Co60 radiotherapy unit 60 COA Co. A. c.o.a. COA5AC COAA CoA,Acetyl CoA,Acyl CoA Acyltransferase,Acetyl coabltic fluoride coabsolute coabsorption