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Howard M. Temin
Howard Martin Temin (December 10, 1934 – February 9, 1994) was an American geneticist and virologist. He discovered reverse transcriptase in the 1970s at the University of Wisconsin–Madison, for which he shared the 1975 Nobel Prize in Physiology or Medicine with Renato Dulbecco and David Baltimore. Early life and education Temin was born in Philadelphia, Pennsylvania, to Jewish parents, Annette (Lehman), an activist, and Henry Temin, an attorney.Harman, Oren S., and Michael R. Dietrich. Rebels, Mavericks, and Heretics in Biology. New Haven: Yale UP, 2009. Print. As a high school student at Central High School in Philadelphia, he participated in the Jackson Laboratory's Summer Student Program in Bar Harbor, Maine. The director of the program, C.C. Little, told his parents that Temin was "unquestionably the finest scientist of the fifty-seven students who have attended the program since the beginning...I can't help but feel this boy is destined to become a really great ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Philadelphia, Pennsylvania
Philadelphia, often called Philly, is the largest city in the Commonwealth of Pennsylvania, the sixth-largest city in the U.S., the second-largest city in both the Northeast megalopolis and Mid-Atlantic regions after New York City. Since 1854, the city has been coextensive with Philadelphia County, the most populous county in Pennsylvania and the urban core of the Delaware Valley, the nation's seventh-largest and one of world's largest metropolitan regions, with 6.245 million residents . The city's population at the 2020 census was 1,603,797, and over 56 million people live within of Philadelphia. Philadelphia was founded in 1682 by William Penn, an English Quaker. The city served as capital of the Pennsylvania Colony during the British colonial era and went on to play a historic and vital role as the central meeting place for the nation's founding fathers whose plans and actions in Philadelphia ultimately inspired the American Revolution and the nation's inde ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Reverse Transcriptase
A reverse transcriptase (RT) is an enzyme used to generate complementary DNA (cDNA) from an RNA template, a process termed reverse transcription. Reverse transcriptases are used by viruses such as HIV and hepatitis B to replicate their genomes, by retrotransposon mobile genetic elements to proliferate within the host genome, and by eukaryotic cells to extend the telomeres at the ends of their linear chromosomes. Contrary to a widely held belief, the process does not violate the flows of genetic information as described by the classical central dogma, as transfers of information from RNA to DNA are explicitly held possible. Retroviral RT has three sequential biochemical activities: RNA-dependent DNA polymerase activity, ribonuclease H (RNase H), and DNA-dependent DNA polymerase activity. Collectively, these activities enable the enzyme to convert single-stranded RNA into double-stranded cDNA. In retroviruses and retrotransposons, this cDNA can then integrate into the host genom ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Harry Rubin (biologist)
Harry Rubin (born June 23, 1926 in New York City) – February 2, 2020) was an American cell biologist and virologist. He is known for his experimental research on oncoviruses and how cellular microenvironment and cellular aging affect the regulation of cancerous tumors. Biography His parents were Jewish immigrants and his father had a grocery store and delicatessen in Manhattan. Harry Rubin graduated in 1947 as a Doctor of Veterinary Medicine (D.V.M.) from the New York State College of Veterinary Medicine at Cornell University. From 1947 to 1948 he served in the joint U.S.-Mexican Aftosa Commission dealing with an outbreak of hoof-and-mouth disease (''fiebre aftosa'' in Spanish) among cattle in Mexico. From 1948 to 1952 he was stationed in Montgomery, Alabama as a commissioned officer of the United States Public Health Service. In January 1952 he married Dorothy Margaret Shuster, who was being trained as a flight evacuation nurse in the U.S. Air Force when he met her. In 1952 he wa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Embryology
Embryology (from Greek ἔμβρυον, ''embryon'', "the unborn, embryo"; and -λογία, '' -logia'') is the branch of animal biology that studies the prenatal development of gametes (sex cells), fertilization, and development of embryos and fetuses. Additionally, embryology encompasses the study of congenital disorders that occur before birth, known as teratology. Early embryology was proposed by Marcello Malpighi, and known as preformationism, the theory that organisms develop from pre-existing miniature versions of themselves. Aristotle proposed the theory that is now accepted, epigenesis. Epigenesis is the idea that organisms develop from seed or egg in a sequence of steps. Modern embryology, developed from the work of Karl Ernst von Baer, though accurate observations had been made in Italy by anatomists such as Aldrovandi and Leonardo da Vinci in the Renaissance. Comparative embryology Preformationism and epigenesis As recently as the 18th century, the prevailin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Animal Virology
Veterinary virology is the study of viruses in non-human animals. It is an important branch of veterinary medicine. Rhabdoviruses Rhabdoviruses are a diverse family of single stranded, negative sense RNA viruses that infect a wide range of hosts, from plants and insects, to fish and mammals. The ''Rhaboviridae'' family consists of six genera, two of which, cytorhabdoviruses and nucleorhabdoviruses, only infect plants. Novirhabdoviruses infect fish, and vesiculovirus, lyssavirus and ephemerovirus infect mammals, fish and invertebrates. The family includes pathogens such as rabies virus, vesicular stomatitis virus and potato yellow dwarf virus that are of public health, veterinary, and agricultural significance. Foot-and-mouth disease virus Foot-and-mouth disease virus (FMDV) is a member of the Aphthovirus genus in the Picornaviridae family and is the cause of foot-and-mouth disease in pigs, cattle, sheep and goats. It is a non-enveloped, positive strand, RNA virus. FMDV is a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Biology
Biology is the scientific study of life. It is a natural science with a broad scope but has several unifying themes that tie it together as a single, coherent field. For instance, all organisms are made up of cells that process hereditary information encoded in genes, which can be transmitted to future generations. Another major theme is evolution, which explains the unity and diversity of life. Energy processing is also important to life as it allows organisms to move, grow, and reproduce. Finally, all organisms are able to regulate their own internal environments. Biologists are able to study life at multiple levels of organization, from the molecular biology of a cell to the anatomy and physiology of plants and animals, and evolution of populations.Based on definition from: Hence, there are multiple subdisciplines within biology, each defined by the nature of their research questions and the tools that they use. Like other scientists, biologists use the sc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bar Harbor, Maine
Bar Harbor is a resort town on Mount Desert Island in Hancock County, Maine, United States. As of the 2020 census, its population is 5,089. During the summer and fall seasons, it is a popular tourist destination and, until a catastrophic fire in 1947, the town was a noted summer colony for the wealthy. The town is home to the College of the Atlantic, Jackson Laboratory and MDI Biological Laboratory. Bar Harbor is also home to the largest parts of Acadia National Park, including Cadillac Mountain, the highest point within of the coastline of the eastern United States. From the mainland, Bar Harbor is accessible by road via Maine State Route 3, by air at Hancock County–Bar Harbor Airport, and by ferry from Winter Harbor, Maine, and Yarmouth, Nova Scotia. History The town of Bar Harbor was founded on the northeast shore of Mount Desert Island, which the Wabanaki Indians knew as ''Pemetic'', meaning "range of mountains" or "mountains seen at a distance." The Wabanaki sea ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Jackson Laboratory
The Jackson Laboratory (often abbreviated as JAX) is an independent, non-profit biomedical research institution which was founded by a eugenicist. It employs more than 3,000 employees in Bar Harbor, Maine; Sacramento, California; Farmington, Connecticut; Shanghai, China; and Yokohama, Japan. The institution is a National Cancer Institute-designated Cancer Center and has NIH Centers of Excellence in aging and systems genetics. The mission of The Jackson Laboratory is "to discover the genetic basis for preventing, treating and curing human diseases, and to enable research and education for the global biomedical community." The laboratory is also the world's source for more than 8,000 strains of genetically defined mice, home of the Mouse Genome Informatics database, and is an international hub for scientific courses, conferences, training and education. Major research areas Jackson Laboratory's research, represented by the activities of more than 60 laboratories, performs resear ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Central High School (Philadelphia)
Central High School is a public high school in the LoganLogan Redevelopment Area Plan ." Philadelphia City Planning Commission. May 2002. 1 (document page 3). Retrieved on August 2, 2011. "The neighborhood is generally defined as including the area from Wingohocking Street north to Olney Avenue and from Broad Street east to the railroad right-of-way east of Marshall Street. Logan extends west to 16th Street north of Lindley Avenue, where Wakefield Park forms the boundary." section of . Central, the second-oldest continuously used public high school in the United States, was founded in 1836 and is a four-year |
