Chromoanagenesis in plants: triggers, mechanisms, and potential impact
Chromoanagenesis is a single catastrophic event that involves, in most cases, localized
chromosomal shattering and reorganization, resulting in a dramatically restructured
chromosome. First discovered in cancer cells, it has since been observed in various other
systems, including plants. In this review, we discuss the origin, characteristics, and potential
mechanisms underlying chromoanagenesis in plants. We report that multiple processes,
including mutagenesis and genetic engineering, can trigger chromoanagenesis via a variety …
chromosomal shattering and reorganization, resulting in a dramatically restructured
chromosome. First discovered in cancer cells, it has since been observed in various other
systems, including plants. In this review, we discuss the origin, characteristics, and potential
mechanisms underlying chromoanagenesis in plants. We report that multiple processes,
including mutagenesis and genetic engineering, can trigger chromoanagenesis via a variety …
Chromoanagenesis is a single catastrophic event that involves, in most cases, localized chromosomal shattering and reorganization, resulting in a dramatically restructured chromosome. First discovered in cancer cells, it has since been observed in various other systems, including plants. In this review, we discuss the origin, characteristics, and potential mechanisms underlying chromoanagenesis in plants. We report that multiple processes, including mutagenesis and genetic engineering, can trigger chromoanagenesis via a variety of mechanisms such as micronucleation, breakage–fusion–bridge (BFB) cycles, or chain-like translocations. The resulting rearranged chromosomes can be preserved during subsequent plant growth, and sometimes inherited to the next generation. Because of their high tolerance to genome restructuring, plants offer a unique system for investigating the evolutionary consequences and potential practical applications of chromoanagenesis.
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