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  • 1
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    Cell-cell signaling and movement by the floral transcription factors LEAFY and APETALA1 (2000)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2000-08-05
    Description: LEAFY (LFY) and APETALA1 (AP1) encode unrelated transcription factors that activate overlapping sets of homeotic genes in Arabidopsis flowers. Sector analysis and targeted expression in transgenic plants were used to study whether LFY and AP1 can participate in cell-cell signaling between and within different layers of the floral meristem. LFY signaled equally well from all layers and had substantial long-range action within layers. Nonautonomous action of LFY was accompanied by movement of the protein to adjacent cells, where it directly activated homeotic target genes. In contrast, AP1 had only limited nonautonomous effects, apparently mediated by downstream genes because activation of early target genes by AP1 was cell-autonomous.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sessions, A -- Yanofsky, M F -- Weigel, D -- New York, N.Y. -- Science. 2000 Aug 4;289(5480):779-82.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, University of California, San Diego, La Jolla, CA 92093, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10926540" target="_blank"〉PubMed〈/a〉
    Keywords: Arabidopsis/cytology/genetics/growth & development/*metabolism ; *Arabidopsis Proteins ; DNA Nucleotidyltransferases/genetics/metabolism ; Gene Expression Regulation, Plant ; Genes, Homeobox ; Genes, Plant ; Homeodomain Proteins/genetics/*metabolism ; MADS Domain Proteins ; Meristem/genetics/metabolism ; Phenotype ; Plant Proteins/genetics/*metabolism ; Plants, Genetically Modified ; RNA, Plant/genetics/metabolism ; *Signal Transduction ; Transcription Factors/genetics/*metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Negative regulation of the SHATTERPROOF genes by FRUITFULL during Arabidopsis fruit development (2000)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2000-07-21
    Description: The terminal step of fruit development in Arabidopsis involves valve separation from the replum, allowing seed dispersal. This process requires the activities of the SHATTERPROOF MADS-box genes, which promote dehiscence zone differentiation at the valve/replum boundary. Here we show that the FRUITFULL MADS-box gene, which is necessary for fruit valve differentiation, is a negative regulator of SHATTERPROOF expression and that constitutive expression of FRUITFULL is sufficient to prevent formation of the dehiscence zone. Our studies suggest that ectopic expression of FRUITFULL may directly allow the control of pod shatter in oilseed crops such as canola.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ferrandiz, C -- Liljegren, S J -- Yanofsky, M F -- New York, N.Y. -- Science. 2000 Jul 21;289(5478):436-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Section of Cell and Developmental Biology, University of California at San Diego, La Jolla, CA 92093-0116, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10903201" target="_blank"〉PubMed〈/a〉
    Keywords: Arabidopsis/*genetics/*growth & development ; DNA-Binding Proteins/*genetics/physiology ; *Gene Expression Regulation, Plant ; *Genes, Plant ; MADS Domain Proteins ; Mutation ; Phenotype ; Plant Proteins ; Plant Structures/growth & development ; Plants, Genetically Modified ; RNA, Plant/genetics/metabolism ; Seeds ; Transcription Factors/*genetics/physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 3
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    Distinct roles of CONSTANS target genes in reproductive development of Arabidopsis (2000)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2000-06-02
    Description: In plants, flowering is triggered by endogenous and environmental signals. CONSTANS (CO) promotes flowering of Arabidopsis in response to day length. Four early target genes of CO were identified using a steroid-inducible version of the protein. Two of these genes, SUPPRESSOR OF OVEREXPRESSION OF CO 1 (SOC1) and FLOWERING LOCUS T (FT), are required for CO to promote flowering; the others are involved in proline or ethylene biosynthesis. The SOC1 and FT genes are also regulated by a second flowering-time pathway that acts independently of CO. Thus, early target genes of CO define common components of distinct flowering-time pathways.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Samach, A -- Onouchi, H -- Gold, S E -- Ditta, G S -- Schwarz-Sommer, Z -- Yanofsky, M F -- Coupland, G -- New York, N.Y. -- Science. 2000 Jun 2;288(5471):1613-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉John Innes Centre, Norwich NR4 7UH, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10834834" target="_blank"〉PubMed〈/a〉
    Keywords: Arabidopsis/genetics/*physiology ; *Arabidopsis Proteins ; Cycloheximide/pharmacology ; DNA-Binding Proteins/genetics/metabolism/*physiology ; Dexamethasone/pharmacology ; Ethylenes/biosynthesis ; *Gene Expression Regulation, Plant ; Genes, Plant ; MADS Domain Proteins ; Meristem/genetics/physiology ; Phenotype ; Photoperiod ; Plant Proteins/genetics/physiology ; Plant Shoots/genetics/physiology ; Plants, Genetically Modified ; Proline/biosynthesis ; RNA, Messenger/genetics/metabolism ; RNA, Plant/genetics/metabolism ; RNA-Binding Proteins/genetics/physiology ; Recombinant Fusion Proteins ; *Signal Transduction ; Suppression, Genetic ; Transcription Factors/genetics/metabolism/*physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
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    A regulated auxin minimum is required for seed dispersal in Arabidopsis (2009)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2009-05-30
    Description: Local hormone maxima are essential for the development of multicellular structures and organs. For example, steroid hormones accumulate in specific cell types of the animal fetus to induce sexual differentiation and concentration peaks of the plant hormone auxin direct organ initiation and mediate tissue patterning. Here we provide an example of a regulated local hormone minimum required during organogenesis. Our results demonstrate that formation of a local auxin minimum is necessary for specification of the valve margin separation layer where Arabidopsis fruit opening takes place. Consequently, ectopic production of auxin, specifically in valve margin cells, leads to a complete loss of proper cell fate determination. The valve margin identity factor INDEHISCENT (IND) is responsible for forming the auxin minimum by coordinating auxin efflux in separation-layer cells. We propose that the simplicity of formation and maintenance make local hormone minima particularly well suited to specify a small number of cells such as the stripes at the valve margins.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sorefan, Karim -- Girin, Thomas -- Liljegren, Sarah J -- Ljung, Karin -- Robles, Pedro -- Galvan-Ampudia, Carlos S -- Offringa, Remko -- Friml, Jiri -- Yanofsky, Martin F -- Ostergaard, Lars -- Biotechnology and Biological Sciences Research Council/United Kingdom -- England -- Nature. 2009 May 28;459(7246):583-6. doi: 10.1038/nature07875.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Crop Genetics Department, John Innes Centre, Norwich Research Park, Colney Lane, Norwich, Norfolk NR4 7UH, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19478783" target="_blank"〉PubMed〈/a〉
    Keywords: Arabidopsis/anatomy & histology/growth & development/*physiology ; Arabidopsis Proteins/genetics/metabolism ; Basic Helix-Loop-Helix Transcription Factors/metabolism ; Biological Transport ; Fruit/anatomy & histology/growth & development/metabolism ; Gene Expression Regulation, Plant ; Indoleacetic Acids/*metabolism ; Membrane Transport Proteins/metabolism ; Protein-Serine-Threonine Kinases/genetics ; Seeds/growth & development/*physiology
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 5
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    Molecular basis of the cauliflower phenotype in Arabidopsis (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-01-27
    Description: Genetic studies demonstrate that two Arabidopsis genes, CAULIFLOWER and APETALA1, encode partially redundant activities involved in the formation of floral meristems, the first step in the development of flowers. Isolation of the CAULIFLOWER gene from Arabidopsis reveals that it is closely related in sequence to APETALA1. Like APETALA1, CAULIFLOWER is expressed in young flower primordia and encodes a MADS-domain, indicating that it may function as a transcription factor. Analysis of the cultivated garden variety of cauliflower (Brassica oleracea var. botrytis) reveals that its CAULIFLOWER gene homolog is not functional, suggesting a molecular basis for one of the oldest recognized flower abnormalities.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kempin, S A -- Savidge, B -- Yanofsky, M F -- GM07313/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1995 Jan 27;267(5197):522-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, University of California, San Diego, La Jolla 92093-0116.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7824951" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Amino Acid Sequence ; Arabidopsis/chemistry/*genetics/physiology ; *Arabidopsis Proteins ; Base Sequence ; Brassica/genetics ; DNA-Binding Proteins/chemistry/*genetics/physiology ; *Genes, Plant ; Genetic Complementation Test ; *Homeodomain Proteins ; In Situ Hybridization ; *MADS Domain Proteins ; Molecular Sequence Data ; Phenotype ; Plant Proteins/chemistry/*genetics/physiology ; RNA, Plant/genetics/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 6
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    Diversification of C-function activity in maize flower development (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-11-29
    Description: The Arabidopsis gene AGAMOUS is required for male and female reproductive organ development and for floral determinacy. Reverse genetics allowed the isolation of a transposon-induced mutation in ZAG1, the maize homolog of AGAMOUS. ZAG1 mutants exhibited a loss of determinacy, but the identity of reproductive organs was largely unaffected. This suggested a redundancy in maize sex organ specification that led to the identification and cloning of a second AGAMOUS homolog, ZMM2, that has a pattern of expression distinct from that of ZAG1. C-function organ identity in maize (as defined by the A, B, C model of floral organ development) may therefore be orchestrated by two closely related genes, ZAG1 and ZMM2, with overlapping but nonidentical activities.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mena, M -- Ambrose, B A -- Meeley, R B -- Briggs, S P -- Yanofsky, M F -- Schmidt, R J -- New York, N.Y. -- Science. 1996 Nov 29;274(5292):1537-40.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology and Center for Molecular Genetics, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA. rschmidt@ucsd.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8929416" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Amino Acid Sequence ; DNA Transposable Elements ; DNA-Binding Proteins/chemistry/*genetics ; Gene Expression ; *Genes, Plant ; MADS Domain Proteins ; Microscopy, Electron, Scanning ; Molecular Sequence Data ; Morphogenesis ; Mutation ; Phenotype ; Plant Proteins/chemistry/*genetics ; RNA, Messenger/genetics/metabolism ; RNA, Plant/genetics/metabolism ; Transcription Factors/*genetics ; Zea mays/*genetics/*growth & development/ultrastructure
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
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    Plant development. Genetic control of distal stem cell fate within root and embryonic meristems (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-01-24
    Description: The root meristem consists of populations of distal and proximal stem cells and an organizing center known as the quiescent center. During embryogenesis, initiation of the root meristem occurs when an asymmetric cell division of the hypophysis forms the distal stem cells and quiescent center. We have identified NO TRANSMITTING TRACT (NTT) and two closely related paralogs as being required for the initiation of the root meristem. All three genes are expressed in the hypophysis, and their expression is dependent on the auxin-signaling pathway. Expression of these genes is necessary for distal stem cell fate within the root meristem, whereas misexpression is sufficient to transform other stem cell populations to a distal stem cell fate in both the embryo and mature roots.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Crawford, Brian C W -- Sewell, Jared -- Golembeski, Greg -- Roshan, Carmel -- Long, Jeff A -- Yanofsky, Martin F -- 5 R01 GM072764/GM/NIGMS NIH HHS/ -- R01 GM072764/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2015 Feb 6;347(6222):655-9. doi: 10.1126/science.aaa0196. Epub 2015 Jan 22.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Biological Sciences, University of California San Diego, La Jolla, CA 92093, USA. ; Department of Molecular, Cell and Developmental Biology, University of California Los Angeles, Los Angeles, CA 90095, USA. ; Department of Molecular, Cell and Developmental Biology, University of California Los Angeles, Los Angeles, CA 90095, USA. marty@ucsd.edu jeffalong@ucla.edu. ; Division of Biological Sciences, University of California San Diego, La Jolla, CA 92093, USA. marty@ucsd.edu jeffalong@ucla.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25612610" target="_blank"〉PubMed〈/a〉
    Keywords: Arabidopsis/embryology/genetics ; Arabidopsis Proteins/genetics/*physiology ; *Gene Expression Regulation, Developmental ; *Gene Expression Regulation, Plant ; Indoleacetic Acids/pharmacology ; Meristem/cytology/*embryology ; Mutation ; Plant Development/*genetics ; Stem Cells/cytology/drug effects/*physiology ; Transcription Factors/genetics/*physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 8
    Electronic Resource
    Electronic Resource
    Floral Meristems to Floral Organs: Genes Controlling Early Events in Arabidopsis Flower Development (1995)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Plant Physiology and Plant Molecular Biology 46 (1995), S. 167-188 
    Details
    ISSN: 1040-2519
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.pp.46.060195.001123
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  • 9
    Electronic Resource
    Electronic Resource
    Crown Gall: A Molecular and Physiological Analysis (1984)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Plant Physiology 35 (1984), S. 387-413 
    Details
    ISSN: 0066-4294
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.pp.35.060184.002131
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  • 10
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    An ancestral MADS-box gene duplication occurred before the divergence of plants and animals (2000)
    National Academy of Sciences
    Details
    Publication Date: 2000-05-09
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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