HIGHLIGHTS
- who: Maiko Kitaoka from the CentroUniversity of California, Berkeley, Berkeley, CA, USA have published the research work: Molecular conflicts disrupting centromere maintenance contribute to Xenopus hybrid inviability, in the Journal: (JOURNAL) of September/26,/2022
- what: To expand the analysis , the authors characterized a second inviable hybrid resulting from fertilization of X. tropicalis eggs with sperm from X. borealis, a frog species possessing an allotetraploid genome closely related to X. laevis . Given the observed enrichment of rRNA and snRNA repeats associated with X. borealis centromeres, the authors propose that clustering of repetitive elements including rDNA . . .
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