dna barcoding and genetic diversity of phyllostomid bats from the yucatan peninsula with comparisons to central america.the mitochondrial cytochrome c oxidase subunit i gene is the standard dna barcoding region used for species identification and discovery. we examined the variation of coi (454 bp) to discriminate 20 species of bats in the family phyllostomidae that are found in the yucatan peninsula of southeastern mexico and northern guatemala and compared them genetically to other samples from central america. the majority of these species had low intraspecific variation (mean = 0.75%), but some taxa had intra ...201222372841
rickettsia lusitaniae associated with ornithodoros yumatensis (acari: argasidae) from two caves in yucatan, mexico.the genus rickettsia includes obligate intracellular bacteria transmitted by several hematophagous arthropods such as ticks, fleas and sucking lice. in particular hard ticks (ixodidae) have been cited as the main vectors of pathogenic rickettsiae in mexico. however, there have been only two records of a single rickettsia species associated with mexican soft ticks (argasidae). in this study, we searched for rickettsial dna in argasid ticks (13 adults and eight nymphs of ornithodoros yumatensis) f ...201627639933
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