The role of specialized transcription factories in chromosome pairing.
Homologous chromosomes can pair in somatic and germ line cells, and many mechanisms have been proposed to explain how they do so. One popular class of models involves base-pairing between DNA strands catalyzed by recombination proteins, but pairing still occurs in mutants lacking the relevant functional proteins. We discuss an alternative based on two observations: transcription occurs in factories that specialize in transcribing specific gene sub-sets, and chromosomes only pair when transcri...Expand abstract
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