New World tetraploid cottons (Gossypium spp.) originated through hybridization of ancestral
diploid species that presently have allopatric ranges in Asia-Africa (the A genome) and the …

Deoxyribonucleic acid from 41 different bacterial species (including Gram-negative and
Gram-positive species) were cleaved by different restriction endonucleases …

Total genomic DNAs from 61 accessions of 40 species of Gossypium were surveyed for
restriction site variation in the maternally inherited plastid genome using 25 endonucleases …

In order to improve our understanding of the colonization of the pulmonary tract of cystic
fibrosis (CF) patients by Pseudomonas aeruginosa, 162 isolates from five different …

Interspecific and intraspecific variation in the internal transcribed spacer (ITS) region of
rDNA of ectomycorrhizal fungi of 44 species in 17 genera were examined using the …

Botanists have long been aware of the floristic similarities between eastern Asia and eastern
North America. Most who have considered this classic disjunction pattern have suggested …

The Pacific salmon Oncorhynchus nerka typically occurs as a sea‐run form (sockeye
salmon) or may reside permanently in lakes (kokanee) thoughout its native North Pacific. We …

Individuals within a species can exhibit vast variation in copy number of repetitive DNA
elements. This variation may contribute to complex traits such as lifespan and disease, yet it …

The rate of excision repair of UV-induced pyrimidine dimers (PDs) was measured at specific
sites in each strand of a yeast minichromosome containing an active gene (URA3), a …

Friedreich's ataxia is an autosomal recessively inherited neurodegenerative disorder
caused by expansions of an unstable GAA trinucleotide repeat in the STM7/X25 gene on …