GenomeDescription objects
Seqinfo objects
Returns a data.frame that lists the available species strings and their taxonomy Ids.
Fetching chromosomes info for some of the UCSC genomes
Assign sequence IDs to sequence names
Accessing/modifying sequence information
Convenience wrappers to the seqlevels() getter and setter
Conveniently rename the seqlevels of an object according to a given style
Species Mapper object and/or list of valid taxonomy Ids