This book examines the rich collection of travel writing about Spain by twentieth-century African American writers as Claude McKay, Langston Hughes, Richard Wright, and Frank Verby, surveying the ways in which such authors perceive Spain's place in the world....

More than 140 bacterial small non-coding RNAs (sRNAs) have been discovered in Escherichia coli and other bacteria, most of them pathogenic. The sRNA genes are typically encoded in intergenic regions and range from 50 to 500 nucleotides long....

The nematode Caenorhabditis elegans was used as an infection model to screen a random plasposon mutagenesis collection of 2500 mutants, derived from either Burkholderia cenocepacia K56-2 or J2315. This work focussed on the study of the P4A1 mutant derived from B....