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Chronology of Arabidopsis
2005 Auxin receptor TIR1 identified; Flowering Locus (FT) transcript tentatively idenified as long-sought flowering hormone Florigen; LEHLE SEEDS reaches 10,000th invoice May 24, 2005; U.S. federal appeals court rules against patenting expressed sequence tags (EST) for plant genes of unknown function
2004 Microarray use matures aiding functional annotation; micro-RNA, natural variation and modeling studies grow in popularity; first nuclear-envelope targeting; regulators of abscisic acid signaling (GCR1) and biosynthesis (AtGLR1.1) isolated
2003 USDA fines first US biotech company for violations of Plant Protection Act
2002 Arabidopsis first species whose entire genome placed on a microarray
2001 Increased emphasis on functional and comparative genomics; first cytokinin receptor CRE1 and biosynthesis genes identified
2000 Chromosomes I, III and V sequenced completing genome sequence
1999 Chromosomes II and IV sequenced
1998 Arabidopsis featured in Science genome issue
1997 Physical maps of all 5 chromosomes completed
1996 Arabidopsis Genome Initiative organized
1995 Ethylene receptor ETR1 identified; Standard BAC and P1 libraries constructed; arabidopsis.com goes online
1994 cDNA sequencing efforts initiated; LEHLE SEEDS moves operations to Round Rock TX USA
1993 High-efficiency transformation established
1992 First chromosome walk published; North American Arabidopsis Steering Committee established
1991 Arabidopsis Biological Resource Center (ARBRC) established at Ohio State University with Randy Scholl heading the seed collection and Keith Davis heading the DNA collection
1990 Arabidopsis Genome Project initiated: A. Kranz retires; AIS newletter stops publication; Nottingham Arabidopsis Stock Centre (NASC) at Nottingham, U.K. established to house and assume curator role for AIS ecotype collection with Bernard Mulligan as Head and Mary Anderson as first Director
1989 First T-DNA tagged mutant gene cloned; LEHLE SEEDS, founded by Fred Lehle, begins operations in Tucson AZ USA after purchasing Guhy's Specialty Nursery
1988 BIOSCI Arabidopsis newsgroup established on Internet
1987 Third International Arabidopsis Conference; A.R. Kranz and B. Kirchheim publish first computerized listing of Araibidopsis Information Service Arabidopsis seed collection, AIS 24 (1987); Guhy's Specialty Nursery - first commercial sale of Arabidopsis (Tucson, AZ)
1986 First Arabidopsis gene sequence published
1986 Transformation with Agrobacterium reported
1985 First promoted as model for molecular genetics
1984 Genome size and complexity characterized
1983 M. Koornneef publishes first detailed genetic map
1980 Expanded interest in use of Arabidopsis to study plant biochemistry, physiology and development
1976 Second International Arabidopsis Conference
1975 G. Rédei publishes second major review article published in Ann. Rev. Genet. (1975) vol. 9,111-127
1974 Albert Kranz takes over as editor of the Arabidopsis Information Service; Laibach collection moved to Frankfurt an Main, Germany.
1970 G. Rédei publishes first major review article published in Bibliographica Genetica vol 20, No. 2, 1970, pp. 1- 151
1970's Contributions by M.E. Jones, J.M. Westerman, K. Daly
1967 Lee-Chen with Burger and Steinitz-Sears create first Arabidopsis trisomics; W.J. Feenstra reports using clear plastic sleeves to facilitate seed harvest; G.P. Redéi reports using a dilute agar solution to facilitate seed planting 
1965 First International Arabidopsis Conference held in Göttingen, Germany; F. Laibach retires and G. Röbbelen at the University of Göttingen, Germany assumes curator role for Laibach's ecotype collection
1964 Arabidopsis Information Service newsletter begins publication, G. Röbbelen first editor and original advisory board was F. Laibach, A. Müller, G. Redéi and J. Veleminsky; Redéi and Hirono create first Arabidopsis linkage groups 
1963 A. Müller develops embryo test
1960's Significant scientific contributions in this decade by H.A.S. Hussein,  Cetl, I., G. Rédei (United States), J.H. van der Veen (Netherlands), J. Veleminsky (Czechoslovakia) and G. Röbbelen (Germany), C.W. Lawrence
1950's J. Langridge and K. Napp-Zinn's research demonstrates utility of Arabidopsis for laboratory studies
1947 Laibach's graduate student E. Reinholz publishes first collection of induced mutations; discovers that late flowering can be induced in an early flowering type by X-rays
1943 F. Laibach first recognizes the potential of Arabidopsis as model system for genetics
1937 F. Laibach begins collecting Arabidopsis ecotypes
1935 Russian genetist N.N. Titova, on a Russian expedition to find plants as potential model systems for genetics, rejects Arabidopsis because its chromosomes, miscounted as n=3, were too small
1907 E. Strasburger's graduate student, Friedrich Laibach, correctly observes that Arabidopsis has only 5 chromosomes (2n=10); the lowest odd number known up at that time for a plant; upon graduation, Laibach promptly discontinues working with Arabidopsis for the next 30 years
1900 G. Medel's work on heredity "rediscovered"
1894 Eduard Strasburger publishes 'Lehrbuch der Botanik für Hochschulen'; 35th edition still in publication
1884 Eduard Strasburger, founder of cytology, observes fusion of nuclei following fertilization, publishes 'Theorie der Zeugung''; coins words haploid, diploid, gamete, cytoplasm, nucleoplasm, prophase, metaphase, anaphase, plasmodesms and phototaxis
1841 Taxonomist Gustav Heynhold renames Arabis thaliana as Arabidopsis thaliana (L.) Heynh. in honor of Johnannes Thal
1873 Alexander Braun publishes first non-taxonomic paper on a mutant (presumably agamous) Arabidopsis plant found near Berlin
1865 G. Mendel's first reporting of his foundation work on the principals of heredity went largely ignored
1753 Linneaeus assigns names of Pilosella siliquosa minor as well as Arabis thaliana to Arabidopsis
1570's Johannes Thal first identifies Arabidopsis thaliana 

some entries courtesy of Nature
For more on Arabidopsis history see Prehistory and History of Arabidopsis Research

 
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