Structure and role in symbiosis of the exoB gene of Rhizobium leguminosarum bv trifolii B. Sánchez-AndújarC. CoronadoA. J. Palomares ORIGINAL PAPER Pages: 131 - 140
The Drosophila ribosomal protein L14-encoding gene, identified by a novel Minute mutation in a dense cluster of previously undescribed genes in cytogenetic region 66D S. Sæbøe-LarssenB. Urbanczyk MohebiA. Lambertsson ORIGINAL PAPER Pages: 141 - 151
Primary Structure, sequence analysis, and expression of the thermostable d - hydantoinase from Bacillus stearothermophilus SD1 G.-J. KimJ.-H. ParkH.-S. Kim ORIGINAL PAPER Pages: 152 - 156
A soluble 12-kDa protein of the mitochondrial intermembrane space, Mrs11p, is essential for mitochondrial biogenesis and viability of yeast cells E. JaroschG. RödelR. J. Schweyen ORIGINAL PAPER Pages: 157 - 165
The role of cysteine residues in the homeodomain protein Matα2 in mating-type control of Saccharomyces cerevisiae Y. MukaiY. Ohno-YamashitaS. Harashima ORIGINAL PAPER Pages: 166 - 171
Ammonium repression of the nitrite-nitrate (nasAB) assimilatory operon of Azotobacter vinelandii is enhanced in mutants expressing the nifO gene at high levels J. C. GutierrezE. SanteroM. Tortolero ORIGINAL PAPER Pages: 172 - 179
Molecular cloning and characterization of the cDNA encoding the largest subunit of mouse RNA polymerase I P. SeitherJ. F. CoyI. Grummt ORIGINAL PAPER Pages: 180 - 186
The two β-lactamase genes of Streptomyces cacaoi, blaL and blaU, are under the control of the same regulatory system J. MagdalenaC. GérardJ. Dusart ORIGINAL PAPER Pages: 187 - 193
Mutations in the heavy chain of cytoplasmic dynein suppress the nudF nuclear migration mutation of Aspergillus nidulans D. A. WillinsB. LiuN. R. Morris ORIGINAL PAPER Pages: 194 - 200
A Darwinian theory for the origin of cellular differentiation J. J. Kupiec ORIGINAL PAPER Pages: 201 - 208
The Uba2 and Ufd1 proteins of Saccharomyces cerevisiae interact with poly(A) polymerase and affect the polyadenylation activity of cell extracts M. del OlmoN. MizrahiC. L. Moore ORIGINAL PAPER Pages: 209 - 218
Gene targeting is locus dependent in the filamentous fungus Aspergillus nidulans D. BirdR. Bradshaw ORIGINAL ARTICLE Pages: 219 - 225
The Schizosaccharomyces pombe mam1 gene encodes an ABC transporter mediating secretion of M-factor P. U. ChristensenJ. DaveyO. Nielsen ORIGINAL PAPER Pages: 226 - 236
