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Thursday, August 6, 2020 | History

2 edition of Characterization of the LeIAA family of auxin-regulated genes in tomato (Lycopericon esculentum, Mill.) found in the catalog.

Characterization of the LeIAA family of auxin-regulated genes in tomato (Lycopericon esculentum, Mill.)

Andreas NebenfuМ€hr

Characterization of the LeIAA family of auxin-regulated genes in tomato (Lycopericon esculentum, Mill.)

by Andreas NebenfuМ€hr

  • 104 Want to read
  • 19 Currently reading

Published .
Written in English

    Subjects:
  • Tomatoes -- Genetics.,
  • Plants, Effect of auxin on.

  • Edition Notes

    Statementby Andreas Nebenführ.
    The Physical Object
    Pagination105 leaves, bound :
    Number of Pages105
    ID Numbers
    Open LibraryOL15488978M

      Plants form new structures such as flowers or branches throughout their life as they develop and grow. However, most plant cells are not able to produce a new flower or branch because the genes involved in these processes are usually switched off. The genes are found in regions of chromatin—the structure in which DNA is packaged in plant cells—that are normally tightly : Miin-Feng Wu.   The identification of PILS proteins, putative auxin transport facilitators, suggests that intracellular auxin transport might be evolutionarily older than directional, cell-to-cell PIN-dependent.

    2 1 2 Summary 3 Tomato (Solanum lycopersicum L.) fruit-set and growth depend on gibberellins 4 (GA). Auxins, another kind of hormone, can also induce parthenocarpic fruit 5 growth in tomato, although their possible interaction with GA is unknown. We 6 showed that fruit development induced by the auxins indoleacetic acid and 2,4- 7 dichlorophenoxyacetic acid (2,4-D) were significantly. Hormonal Regulation of Tomato Fruit Development: A Molecular Perspective - Free download as PDF File .pdf), Text File .txt) or read online for free. Fruit development is a complex yet tightly regulated process. The developing fruit undergoes phases of cell division and expansion followed by numerous metabolic changes leading to ripening.

    Genetic Improvement of Solanaceous Crops Volume 2: Tomato Genetic Improvement of Solanaceous Crops Volume 2: Tomato Editors Maharaj K. Razdan University of Delhi, Delhi India Autar K. Mattoo USDA-ARS Sustainable Agricultural Systems Laboratory Beltsville, MD USA Science Publishers Enfield (NH) Jersey Plymouth CIP data will be provided on request.


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Characterization of the LeIAA family of auxin-regulated genes in tomato (Lycopericon esculentum, Mill.) by Andreas NebenfuМ€hr Download PDF EPUB FB2

Functional Genomic Analysis of the AUXIN/INDOLEACETIC ACID Gene Family Members in Arabidopsis thaliana W Paul J.

Overvoorde,a,1 2 Yoko Okushima,a,1 3 Jose´ M. Alonso,b 4 April Chan,a Charlie Chang,a Joseph R. Ecker,b Beth Hughes,a Amy Liu,a Courtney Onodera,a Hong Quach,a Alison Smith,a Guixia Yu,a and Athanasios Theologisa,5 a Plant Gene Expression Center, Cited by:   Although quite a few members of the Aux/IAA family have been functionally characterized in dicotyledonous plants such as Arabidopsis, but relatively limited information is available in important crops such as rice.

This work focused on isolation and characterization of a member of Aux/IAA family in rice named by: Auxin-Regulated Genes Encoding Cell Wall-Modifying Proteins Are Expressed during Early Tomato Fruit Growth Carmen Catala´ 1, Jocelyn K.C.

Rose, and Alan B. Bennett* Mann Laboratory, Department of Vegetable Crops, University of California, Davis, California Cited by:   A molecular approach to investigate auxin signaling in plants has led to the identification of several classes of early/primary auxin response genes.

Within the promoters of these genes, cis elements that confer auxin responsiveness (referred to as auxin-response elements or AuxREs) have been defined, and a family of trans-acting transcription factors (auxin-response factors or ARFs) that Cited by: This effect can be achieved by overexpression of OsIAA1, a negative regulator of auxin signaling (Song et al.

), or the auxin metabolic genes OsGH, -2, -5, or (Zhang et al. ; Du. Auxin-regulated genes encoding cell wall-modifying proteins are expressed during early tomato fruit growth.

Catalá C(1), Rose JK, Bennett AB. Author information: (1)Mann Laboratory, Department of Vegetable Crops, University of California, Davis, Californiaby:   An expansin gene, LeExp2, was isolated from auxin-treated, etiolated tomato (Lycopersicon esculentum cv T5) hypocotyls.

LeExp2 mRNA expression was restricted to the growing regions of the tomato hypocotyl and was up-regulated during incubation of hypocotyl segments with auxin. The pattern of expression of LeExp2 was also studied during tomato fruit growth, a Cited by:   Auxin regulates various aspects of plant growth and development.

The AUXIN/INDOLEACETIC ACID (Aux/IAA) genes encode short-lived transcriptional repressors that are targeted by the TRANSPORT INHIBITOR RESPONSE1/AUXIN RECEPTOR F-BOX proteins. The Aux/IAA proteins regulate auxin-mediated gene expression by interacting with members of the AUXIN RESPONSE Cited by: Citation: Yu H, Soler M, Mila I, San Clemente H, Savelli B, et al.

() Genome-Wide Characterization and Expression Profiling of the AUXIN RESPONSE FACTOR (ARF) Gene Family in Eucalyptus grandis. Mechanism of Auxin-Regulated Gene Expression in Plants Elisabeth J.

Chapman and Mark Estelle Division of Biology, University of California, San Diego, La Jolla, California ; email: [email protected], [email protected] Annu. Rev. Genet. –85 First published online as a Review in Advance on Aug Importantly, mRNA accumulation for the Aux/IAA‐like genes was regulated by ethylene in tomato fruit but not in the leaves, indicating that these putative auxin response components also participate to the ethylene‐dependent regulation of gene expression in a tissue‐specific manner.

Mechanism of auxin-regulated gene expression in plants. Chapman EJ(1), Estelle M. Author information: (1)Division of Biology, University of California, San Diego, La Jolla, CaliforniaUSA. [email protected] Plant hormones control most aspects of the Cited by: Isolation of ARF and Aux/IAA homologs in the tomato.

A combination of differential display screening (Zegzouti et al., ) and RT‐PCR using gene–family‐specific degenerate primers was used to identify genes differentially expressed during pre‐ripening tomato fruit the DR clones isolated, we identified a ‐bp differential display fragment (DR12) which, when.

The most important member of the auxin family is indoleacetic acid (IAA), which generates the majority of auxin effects in intact plants, and is the most potent native auxin.

And as native auxin, its equilibrium is controlled in many ways in plants, from synthesis, through possible conjugation to degradation of its molecules, always. Auxin is a central hormone involved in a wide range of developmental processes including the specification of vascular stem cells.

Auxin Response Factors (ARF) are important actors of the auxin signalling pathway, regulating the transcription of auxin-responsive genes through direct binding to their promoters. The recent availability of the Eucalyptus grandis genome sequence allowed us to.

This chapter discusses auxin-regulated gene expression in plants. There are five main types of plant hormones: auxins, cytokinins, gibberellins, abscisic acid, and ethylene. The classic effect of auxins, typified by indole acetic acid (IAA), is the regulation of plant cell growth, a Cited by: 1.

Introduction. It is well known that auxins, mainly represented by indoleacetic acid (IAA), are important in plant growth and developmental processes through the regulation of auxin responsive gene recent years, the regulatory components of auxin signaling have become more evident and have revealed the existence of a highly complex system of both early and late auxin Cited by:   Goals / Objectives This project is to understand how the plant hormone auxin regulates fruit development after fertilization in the model plants Arabidopsis and tomato.

It has already been found that the Arabidopsis auxin response transcription factor ARF8 and the tomato protein LeIAA9 (which probably regulates auxin response factors) affect fruit initiation.

The tir1 mutants are affected in auxin response. Treatment of Arabidopsis seedlings with auxin-transport inhibitors such as CPD or NPA inhibits root elongation and promotes swelling of the root tip (Ruegger et al. ).Both of these effects are thought to be caused by accumulation of auxin in this region as a result of the inhibition of auxin transport away from the root tip (Muday and.

Auxin-regulated genes have been identified in soy- bean, pea, tobacco and Arabidopsis (HOBBIE and ESTELLE ). Athough the function of the proteins encoded by these genes remains unknown, recent studies suggest that they perform an important role in auxin-regulated elongation.

Transcripts of the SAUR, or small auxin up. Plant hormones control most aspects of the plant life cycle by regulating genome expression. Expression of auxin-responsive genes involves interactions among auxin-responsive DNA sequence elements, transcription factors and -acting transcriptional repressors.

Transcriptional output from these auxin signaling complexes is regulated by proteasome-mediated degradation that is triggered by.N2 - During the s a wide range of studies provided an information base that led to the suggestion that auxin-regulated cell processes--especially cell elongation--may Cited by: Plant hormones control most aspects of the plant life cycle by regulating genome expression.

Expression of auxin-responsive genes involves interactions among auxin-responsive DNA sequence elements, transcription factors and -acting transcriptional repressors. Transcriptional output from these auxin signaling complexes is regulated by proteasome-mediated degradation that is triggered by Cited by: