Search Results for "Dna Replication Reaction Steps"
Original Source: Regulation of the initiation step of DNA replication by cyclin-dependent kinases.
Cyclin-dependent kinases (CDKs) play a central role in the regulation of cell cycle progression in eukaryotes. The onset of S phase, the initiation of chromosomal DNA replication, is a major cell cycle event that is regulated by CDKs. Eukaryotic chromosomal DNA replication is highly regulated and occurs as a two-step reaction. The first reaction, known as licensing, is essential for DNA replication by making cell replication competent and occurs in G1 phase. Once cells enter S phase, licensed chromosomes in...
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Human CST promotes telomere duplex replication and general replication restart after fork stalling
The mammalian CTC1-STN1-TEN1 complex functions not only in maintenance and replication of telomeres, but also has a surprising genome-wide role in restart after replication fork stalling.
NIH researchers link enzyme deficiency with faulty DNA replication and cancer
NIH researchers have discovered a cancer-causing flaw that can occur when ATAD5, one of many enzymes in the replication process, is deficient. The defect causes DNA replication to stall and the normal...
Rif1 choreographs DNA replication timing
Rif1 choreographs DNA replication timingNew work identifies Rif1 as a global determinant of the timing program that controls orderly progression of mammalian DNA replication to ensure stable genetic a...
Replication–transcription conflicts in bacteria
Encounters between the replication and transcription machineries occur frequently in bacterial cells and are detrimental to fitness. Here, Grossman and colleagues review the two different types of rep...
Replication: Hog1 in conflict resolution
Hog1 minimizes collisions between the transcription and replication machinery during osmostress.
DNA replication: It's a matter of time
Taz1 is recruited to telomeric sequences and regulates replication timing in fission yeast.
Biochemistry: DNA replication caught in the act
By freezing a DNA polymerase enzyme at several points along its reaction pathway, a sequence of X-ray crystal structures has been obtained, showing how the enzyme replicates DNA and revealing surprisi...
The enzyme Dna2 ensures the integrity of DNA replication by preventing the reversal of stalled replication forks
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Two steps in one pot: An enzyme cascade consisting of a lyase and an (R)- or (S)-selective ω-transaminase (TA) provides (1R,2R)-norpseudoephedrine and (1R,2S)-norephedrine in only two steps. The inte...
Transcription proceeding downstream of the λ phage replication origin was previously shown to support initial steps of the λ primosome assembly in vitro and to regulate frequency and directionality...
Cyclin-dependent kinase-dependent initiation of chromosomal DNA replication.
Cyclin-dependent kinase (CDK) is essential for the initiation of chromosomal DNA replication. CDK phosphorylates two yeast replication proteins, Sld2 and Sld3, both of which bind to another replicatio...
Regulation of the initiation step of DNA replication by cyclin-dependent kinases.
Cyclin-dependent kinases (CDKs) play a central role in the regulation of cell cycle progression in eukaryotes. The onset of S phase, the initiation of chromosomal DNA replication, is a major cell cycl...
Total synthesis of lamellarins d, h, and R and ningalin B.
A concise total synthesis of lamellarins D (7 steps), H (7 steps), and R (5 steps) and ningalin B (5 steps) is achieved starting from the corresponding aldehydes and amines. The synthesis features thr...
