Tuesday, May 18, 2021

Dinoflagellate Genome Structure Unlike Any Other Known

Amazing stuff! Very unusual chromosomes!

"... Their genomes, for one, are massive. S. microadriaticum’s genome is relatively small among dinoflaggelates, but it’s still one-third the size of the human genome. And rather than regulate gene expression only through transcription, dinoflagellates also engage in rampant gene and chromosome duplication, making genome assembly a nightmarish effort for geneticists—putting the puzzle together is more difficult when many of the pieces look identical. ..."

"... peculiar crystalline chromosomes ... The chromosomes fold as linear rods and each is composed of a series of structural domains separated by boundaries. ..."

Dinoflagellate Genome Structure Unlike Any Other Known | The Scientist Magazine® The transcription of DNA drives the remarkably tidy organization of chromosomes in the dinoflagellate Symbiodinium microadriaticum.

Here is the main underlying research article:

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