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Recombinant Proteins> | 012 SOURCE IDENTIFIER Abcam Abcam Cat#ab5176; RRID: AB_304763 Cat#ab46765; RRID: AB_880439 Sigma-Aldrich Cat#E8875 GenScript Diagenode Cat#RP01002 Cat#C15400001-15 AMS biotechnology Cat#120491-1 QIAGEN Thermo Fisher Scientific Thermo Fisher Scientific Thermo Fisher Scientific This paper Cat#28106 Cat#4368702 Cat#10001D Cat#10003D GEO: GSE100643; https://www....3 were obtained and 2 mg/ml alpha-factor (Genscript) was added. | Get A Quote |
During mitosis, chromatin condensation shapes chromosomes as separate, rigid, and compact sister chromatids to facilitate their segregation. Here, we show that, unlike wild-type yeast chromosomes, non-chromosomal DNA circles and chromosomes lacking a centromere fail to condense during mitosis. The centromere promotes chromosome condensation strictly in cis through recruiting the kinases Aurora B and Bub1, which trigger the autonomous condensation of the entire chromosome. Shugoshin and the deacetylase Hst2 facilitated spreading the condensation signal to the chromosome arms. Targeting Aurora B to DNA circles or centromere-ablated chromosomes or releasing Shugoshin from PP2A-dependent inhibition bypassed the c... More