Ekkehard Karl Friedrich Bautz is a molecular biologist and chair of the Institute of Molecular Genetics at the University of Heidelberg.
He was born September 24, 1933, in Konstanz, Germany. After studying chemistry at Freiburg University and the University of Zürich, at the age of 26, he emigrated to the United States and later became a U.S. citizen. In 1961, he obtained a doctorate in molecular biology from the University of Wisconsin. He did postdoctoral work at the University of Illinois with a fellowship awarded by the Damon Runyon Memorial Fund for Cancer Research and in 1962 became an assistant professor at the Institute of Microbiology at Rutgers. In 1964, he participated in the Evolving Genes and Proteins Symposium, a landmark event in the history of molecular evolution research. In 1966, he was promoted to associate professor at the same institution. In 1970, he was appointed full professor there, but chose to return to Germany in the same year to become chair of the Institute of Molecular Genetics at the University of Heidelberg. [1]
Bautz's most important discovery is that of sigma factor, the first known transcription factor. [2]
He developed methods for the isolation of messenger RNA [3] and continued research on transcription. Later, he focused on novel selection methods, in particular phage display [4] and the generation of recombinant antibodies. [5]
In 1981, he founded the Center for Molecular Biology (ZMBH) [6] in Heidelberg, where he served as chair of microbiology and acting director from 1983 to 1985. [7]
Bautz was on the editorial board of the Journal of Virology [8] from 1966 to 1970, and of Molecular and General Genetics from 1971 to 2000. He was chairman of the German Genetics Society [9] from 1979 to 1981, and a board member of the German Cancer Research Centre [10] from 1978 to 1983. In 1994, he was appointed a board member of the Zentralkommission für Biologische Sicherheit (ZKBS, engl.: Central Commission for Biological Safety), advising the German government on the biological safety of genetically engineered organisms. He retired from the commission in 2000.
In 1983, he founded Progen GmbH, a biotech startup, [11] with Werner Franke and two other scientists from Heidelberg. He is also a cofounder of Peptide Specialty Laboratories (PSL) [12] and acted as general manager of Multimetrix GmbH from 2002 to 2007.
Enterobacteria phage λ is a bacterial virus, or bacteriophage, that infects the bacterial species Escherichia coli. It was discovered by Esther Lederberg in 1950. The wild type of this virus has a temperate life cycle that allows it to either reside within the genome of its host through lysogeny or enter into a lytic phase, during which it kills and lyses the cell to produce offspring. Lambda strains, mutated at specific sites, are unable to lysogenize cells; instead, they grow and enter the lytic cycle after superinfecting an already lysogenized cell.
Virology is the scientific study of biological viruses. It is a subfield of microbiology that focuses on their detection, structure, classification and evolution, their methods of infection and exploitation of host cells for reproduction, their interaction with host organism physiology and immunity, the diseases they cause, the techniques to isolate and culture them, and their use in research and therapy.
David Baltimore is an American biologist, university administrator, and 1975 Nobel laureate in Physiology or Medicine. He is a professor of biology at the California Institute of Technology (Caltech), where he served as president from 1997 to 2006. He founded the Whitehead Institute and directed it from 1982 to 1990. In 2008, he served as president of the American Association for the Advancement of Science in 2008.
Molecular genetics is a sub-field of biology that addresses how differences in the structures or expression of DNA molecules manifests as variation among organisms. Molecular genetics often applies an "investigative approach" to determine the structure and/or function of genes in an organism's genome using genetic screens. The field of study is based on the merging of several sub-fields in biology: classical Mendelian inheritance, cellular biology, molecular biology, biochemistry, and biotechnology. Researchers search for mutations in a gene or induce mutations in a gene to link a gene sequence to a specific phenotype. Molecular genetics is a powerful methodology for linking mutations to genetic conditions that may aid the search for treatments/cures for various genetics diseases.
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Genetics, a discipline of biology, is the science of heredity and variation in living organisms.
The genome and proteins of HIV (human immunodeficiency virus) have been the subject of extensive research since the discovery of the virus in 1983. "In the search for the causative agent, it was initially believed that the virus was a form of the Human T-cell leukemia virus (HTLV), which was known at the time to affect the human immune system and cause certain leukemias. However, researchers at the Pasteur Institute in Paris isolated a previously unknown and genetically distinct retrovirus in patients with AIDS which was later named HIV." Each virion comprises a viral envelope and associated matrix enclosing a capsid, which itself encloses two copies of the single-stranded RNA genome and several enzymes. The discovery of the virus itself occurred two years following the report of the first major cases of AIDS-associated illnesses.
Φ6 is the best-studied bacteriophage of the virus family Cystoviridae. It infects Pseudomonas bacteria. It has a three-part, segmented, double-stranded RNA genome, totalling ~13.5 kb in length. Φ6 and its relatives have a lipid membrane around their nucleocapsid, a rare trait among bacteriophages. It is a lytic phage, though under certain circumstances has been observed to display a delay in lysis which may be described as a "carrier state".
Murine respirovirus, formerly Sendai virus (SeV) and previously also known as murine parainfluenza virus type 1 or hemagglutinating virus of Japan (HVJ), is an enveloped, 150-200 nm–diameter, negative sense, single-stranded RNA virus of the family Paramyxoviridae. It typically infects rodents and it is not pathogenic for humans or domestic animals
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