Chien-Wei Jeff Huang

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A chromosomal locus of Salmonella typhimurium which complements S. typhimurium asr (anaerobic sulfite reduction) mutants and confers on Escherichia coli the ability to produce hydrogen sulfide from sulfite was recently cloned (C. J. Huang and E. L. Barrett, J. Bacteriol. 172:4100-4102, 1990). The DNA sequence and the transcription start site have been(More)
Non-infectious human papillomavirus-like particles (VLPs), encoded by the major capsid gene L1, have been shown to be effective as vaccines to prevent cervical cancer. We have developed the genetic immunization of the L1 gene to induce a neutralizing antibody. We constructed and generated a recombinant adeno-associated virus encoding human papillomavirus(More)
Spoilage of fruit juice by Alicyclobacillus acidoterrestris is characterized by a distinct medicinal or antiseptic off odor attributed to guaiacol, a metabolic by product of the bacterium. Detection of low populations of A. acidoterrestris that would precede sensory detection of guaiacol would enable juice processors to select appropriate processing and(More)
Transposon Tn5 insertions causing anaerobic cysteine auxotrophy were isolated from a Salmonella typhimurium cysI parent (auxotrophic under aerobic but not anaerobic conditions). Insertions in one mutant group appeared to be in cysG. A second group of insertions, designated asr (anaerobic sulfite reduction), were located near map unit 53 on the S.(More)
The herpes simplex virus type 1 (HSV-1) major capsid protein VP5 gene (UL19) is expressed with beta gamma (gamma 1 [leaky late]) kinetics. We have previously described the construction of recombinant HSV-1 in which the VP5 promoter was engineered to control the expression of the bacterial beta-galactosidase gene as a reporter (C.-J. Huang, S. A. Goodart, M.(More)
Transient expression assays with the herpes simplex virus type 1 (HSV-1) promoter/leader controlling the beta gamma (leaky-late) VP5 (UL19) mRNA encoding the major capsid protein showed that no more than 36 to 72 bases of VP5 leader are required for full-level expression. Constructs lacking the viral leader and the transcription initiation site expressed(More)
As do many other alphaherpesviruses, pseudorabies virus (PRV) transcribes a limited portion of its viral genome in latently infected neurons during latency. The sequence of the PRV latency-associated transcript (LAT) is bounded on its 5' end by a putative promoter region which contains sequence elements similar to those characterized for the herpes simplex(More)
The undesirable rotten-egg odour of hydrogen sulfide (H2S) produced by yeast shortly after yeast inoculation of grape musts might be an important source of desirable varietal thiols, which contribute to tropical aromas in varieties such as Sauvign-on Blanc. In this study, we observed that Saccharomyces cerevisiae strains produce an early burst of H2S from(More)