Blood groups in a marsupial (Monodelphis domestica)

Article Abstract:

The production of alloimmune sera against the erythrocytes of the marsupial Monodelphis domestica adds to the information available on the evolution of the genomes of eutherian mammals. Six operationally monospecific blood typing reagents, or hemolysins, were prepared by absorption fractionation. Segregation analysis revealed that each reagent detects a blood group antigen controlled by an autosomal dominant gene. Monodelphis domestica is now increasingly used as a laboratory marsupial underscoring the importance of genetic markers in this species.

Genetic markers, Marsupialia, Marsupials, Blood groups, ABO blood-group system

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Primate microRNAs miR-220 and miR-492 lie within processed pseudogenes

Article Abstract:

A survey of the genomic context of more than 300 human microRNA (miRNA) loci revealed that two primate-specific miRNAs, miR-220 and miR-492, each lie within a processed pseudogene. It appears that, while processed pseudogenes are good candidates for miRNA incubators, it is unlikely that more than a very small percentage of new miRNAs arise this way.

United States, Caenorhabditis elegans, Pseudogenes

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In vitro and in silico annotation of conserved and nonconserved microRNAs in the genome of the Marsupial Monodelphis domestica

Article Abstract:

Completion of the initial Monodelphis domestica genome assembly presents an opportunity to examine genome-wide phenomena in a marsupial. 105 MicroRNA loci containing 137 MicroRNAs were identified and annotated and 98 of the loci were mapped to the M. domestica genome,

Usage, Cloning, Opossums, RNA processing

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