500 The Chinese use moldy soybean curds as an antibiotic to treat boils.
250 The Greeks practice crop rotation to maximize soil fertility.
100 Powdered chrysanthemum is used in China as an insecticide.
AD: Before the 20th Century
1590 The microscope is invented by Janssen.1663 Cells are first described by Hooke.
1675 Leeuwenhoek discovers protozoa and bacteria.
1797 Jenner inoculates a child with a viral vaccine to protect him from smallpox.
1802 The word "biology" first appears.
1824 Dutrochet discovers that tissue is composed of living cells.
1830 Proteins are discovered.
1833 The cell nucleus is discovered.
The first enzymes are isolated.
1855 The Escherichia coli bacterium is discovered. It later becomes a major research, development, and production tool for biotechnology.
Pasteur begins working with yeast, eventually proving they are living organisms.
1863 Mendel, in his study of peas, discovers that traits were transmitted from parents to progeny by discrete, independent units, later called genes. His observations lay the groundwork for the field of genetics.
1869 Miescher discovers DNA in the sperm of trout.
1877 A technique for staining and identifying bacteria is developed by Koch.
1878 The first centrifuge is developed by Laval.
The term "microbe" is first used.
1879 Flemming discovers chromatin, the rod-like structures inside the cell nucleus that later come to be called "chromosomes."
1883 The first rabies vaccine is developed.
1888 The chromosome is discovered by Waldyer.
AD: First Half of the 20th Century
1902 The term "immunology" first appears.1906 The term "genetics" is introduced.
1907 The first in vivo culture of animal cells is reported.
1909 Genes are linked with hereditary disorders.
1911 The first cancer-causing virus is discovered by Rous.
1914 Bacteria are used to treat sewage for the first time in Manchester, England.
1915 Phages, or bacterial viruses, are discovered.
1919 The word "biotechnology" is first used by a Hungarian agricultural engineer.
1920 The human growth hormone is discovered by Evans and Long.
1927 Muller discovers that X-rays cause mutation.
1928 Fleming discovers penicillin, the first antibiotic.
1938 The term "molecular biology" is coined.
1941 The term "genetic engineering" is first used by a Danish microbiologist.
1942 The electron microscope is used to identify and characterize a bacteriophage- a virus that infects bacteria.
1943 Avery demonstrates that DNA is the "transforming factor" and is the material of genes.
1944 DNA is shown to be the material substance of the gene.
1949 Pauling shows that sickle cell anemia is a "molecular disease" resulting from a mutation.
1950 to 1960
1951 McClintock discovers transposable elements, or "jumping genes," in corn.1953 Watson and Crick reveal the three-dimensional structure of DNA.
1954 Cell-culturing techniques are developed.
1955 An enzyme involved in the synthesis of a nucleic acid is isolated for the first time.
1956 The fermentation process is perfected in Japan.
Kornberg discovers the enzyme DNA polymerase I, leading to an understanding of how DNA is replicated.
1957 Sickle cell anemia is shown to occur due to a change of a single amino acid.
1960 Exploiting base pairing, hybrid DNA-RNA molecules are created.
Messenger RNA is discovered.
1961 The genetic code is understood for the first time.
1964 The existence of reverse transcriptase (RT) is predicted.
1967 The first automatic protein sequencer is perfected.
1969 An enzyme is synthesized in vitro for the first time.
1970s
1970 Specific restriction nucleases are identified, opening the way for gene cloning.RT is discovered independently in murine and avian retroviruses.
1971 RT is shown to have ribonuclease H (Rnase H) activity.
1972 The DNA composition of humans is discovered to be 99% similar to that of chimpanzees and gorillas.
Purified RT is first used to synthesize cDNA from purified mRNA in vitro.
1973 Cohen and Boyer perform the first successful recombinant DNA experiment, using bacterial genes.
1974 The National Institute of Health forms a Recombinant DNA Advisory Committee to oversee recombinant genetic research.
1975 Colony hybridization and Southern blotting are developed for detecting specific DNA sequences.
The first monoclonal antibodies are produced.
1976 The tools of recombinant DNA are first applied to a human inherited disorder.
Molecular hybridization is used for the prenatal diagnosis of alpha thalassemia.
Yeast genes are expressed in E. coli bacteria.
1977 Genetically engineered bacteria are used to synthesize human growth protein.
1978 North Carolina scientists Hutchinson and Edgell show it is possible to introduce specific mutations at specific sites in a DNA molecule.
1979 The first monoclonal antibodies are produced.
1980s
1980 The U.S. Supreme Court, in the landmark case Diamond v. Chakrabarty, approves the principle of patenting genetically engineered life forms.The U.S. patent for gene cloning is awarded to Cohen and Boyer.
1981 The North Carolina Biotechnology Center is created by the state's General Assembly as the nation's first state-sponsored initiative to develop biotechnology. Thirty-five other states follow with biotechnology centers of various kinds.
The first gene-synthesizing machines are developed.
The first genetically engineered plant is reported.
Mice are successfully cloned.
1982 Humulin, Genentech's human insulin drug produced by genetically engineered bacteria for the treatment of diabetes, is the first biotech drug to be approved by the Food and Drug Administration.
1983 The Polymerase Chain Reaction (PCR) technique is conceived. PCR, which uses heat and enzymes to make unlimited copies of genes and gene fragments, later becomes a major tool in biotech research and product development worldwide.
The first genetic transformation of plant cells by TI plasmids is performed.
The first artificial chromosome is synthesized.
The first genetic markers for specific inherited diseases are found.
Efficient methods are developed to synthesize double-stranded DNA from first-strand cDNA involving minimal loss of sequence information.
1984 The DNA fingerprinting technique is developed.
The first genetically engineered vaccine is developed.
Chiron clones and sequences the entire genome of the HIV virus.
1985 Fully active murine RT is cloned and overexpressed in E. coli.
1986 The first field tests of genetically engineered plants (tobacco) are conducted.
Ortho Biotech's Orthoclone OKT3, used to fight kidney transplant rejection, is approved as the first monoclonal antibody treatment.
The first biotech-derived interferon drugs for the treatment of cancer, Biogen's Intron A and Genentech's Roferon A, are approved by the FDA. In 1988, the drugs are used to treat Kaposi's sarcoma, a complication of AIDS.
The first genetically engineered human vaccine, Chiron's Recombivax HB, is approved for the prevention of hepatitis B.
1987 Humatrope is developed for treating human growth hormone deficiency.
Advanced Genetic Sciences' Frostban, a genetically altered bacterium that inhibits frost formation on crop plants, is field tested on strawberry and potato plants in California, the first authorized outdoor tests of an engineered bacterium.
Genentech's tissue plasminogen activator (tPA), sold as Activase, is approved as a treatment for heart attacks.
Reverse transcription and PCR are combined to amplify mRNA sequences.
Cloned murine RT is engineered to maintain polymerase and eliminate Rnase H activity.
1988 Congress funds the Human Genome Project, a massive effort to map and sequence the human genetic code as well as the genomes of other species.
1989 Amgen's Epogen is approved for the treatment of renal disease anemia.
Microorganisms are used to clean up the Exxon Valdez oil spill.
The gene responsible for cystic fibrosis is discovered.
1990s
1990 The first federally approved gene therapy treatment is performed successfully on a 4-yearold girl suffering from an immune disorder.1991 Amgen develops Neupogen, the first of a new class of drugs called colony stimulating factors, for the treatment of low white blood cells in chemotherapy patients.
Immunex's Leukine, used to replenish white blood counts after bone marrow transplants, is approved.
Genzyme's Ceredase is approved for the treatment of Gaucher's disease.
1992 The three-dimensional structure of HIV RT is elucidated.
Recombinate, developed by Genetics Institute and used in the treatment of hemophilia A, becomes the first genetically engineered blood clotting factor approved in the U.S. Chiron's Proleukin is approved for the treatment of renal cell cancer.
1993 Chiron's Betaseron is approved as the first treatment for multiple sclerosis in 20 years.
The FDA declares that genetically engineered foods are "not inherently dangerous" and do not require special regulation.
The Biotechnology Industry Organization (BIO) is created by merging two smaller trade associations.
1994 Genentech's Nutropin is approved for the treatment of growth hormone deficiency.
The first breast cancer gene is discovered.
Calgene's Flavr Savr tomato, engineered to resist rotting, is approved for sale.
1995 The first baboon-to-human bone marrow transplant is performed on an AIDS patient.
The first full gene sequence of a living organism other than a virus is completed for the bacterium Hemophilus influenzae.
The three-dimensional structure of a catalytically active fragment of murine RT is elucidated.
1996 Biogen's Avonex is approved for the treatment of multiple sclerosis. The company builds a $50 million plant in Research Triangle Park, N.C., to manufacture the recombinant interferon drug.
Scottish scientists clone identical lambs from early embryonic sheep.
1997 Scottish scientists report cloning a sheep, using DNA from adult sheep cells.
A group of Oregon researchers claims to have cloned two Rhesus monkeys.
A new DNA technique combines PCR, DNA chips, and a computer program, providing a new tool in the search for disease-causing genes.
1998 University of Hawaii scientists clone three generations of mice from nuclei of adult ovarian cumulus cells.
Human skin is produced in vitro.
Embryonic stem cells are used to regenerate tissue and create disorders mimicking diseases.
The first complete animal genome for the elegans worm is sequenced.
A rough draft of the human genome map is produced, showing the locations of more than 30,000 genes.
Cloned vain RT with fully active polymerase and minimized Rnase H activity is engineered.
The Biotechnology Institute is founded by BIO as an independent national, 501(c)(3) education organization with an independent Board of Trustees.
1999 The complete genetic code of the human chromosome is first deciphered.
The rising tide of public opinion in Europe brings biotech food into the spotlight.
2000 and Beyond
2000 A rough draft of the human genome is completed by Celera Genomics and the Human Genome Project.Pigs are the next animal cloned by researchers, hopefully to help produce organs for human transplant.
"Golden Rice," modified to make vitamin A, promises to help third-world countries alleviate blindness.
The 2.18 million base pairs of the commonest cause of bacterial meningitis, Neisseria meningitidis, are identified.
2001 The sequence of the human genome is published in Science and Nature, making it possible for researchers all over the world to begin developing treatments.
2002 Scientists complete the draft sequence of the most important pathogen of rice, a fungus that destroys enough rice to feed 60 million people annually. By combining an understanding of the genomes of the fungus and rice, scientists will elucidate the molecular basis of the interactions between the plant and pathogen.
2003 Dolly, the cloned sheep that made headlines in 1997, is euthanized after developing progressive lung disease. Dolly was the first successful clone of a mammal.
