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2 edition of Regulated expression of a calmodulin isoform alters growth and development in potato found in the catalog.

Regulated expression of a calmodulin isoform alters growth and development in potato

Regulated expression of a calmodulin isoform alters growth and development in potato

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Published by National Aeronautics and Space Administration, National Technical Information Service, distributor in [Washington, DC, Springfield, Va .
Written in English

    Subjects:
  • Amino acids.,
  • Vegetation growth.,
  • Potatoes.

  • Edition Notes

    StatementB.W. Poovaiah ... [et al.].
    Series[NASA contractor report] -- NASA-CR-204748., NASA contractor report -- NASA CR-204748.
    ContributionsPoovaiah, B. W., United States. National Aeronautics and Space Administration.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL15509268M

    Eukaryotes are often subjected to different kinds of stress. In order to adjust to such circumstances, eukaryotes activate stress–response pathways and regulate gene expression. Eukaryotic gene expression consists of many different steps, including transcription, RNA processing, RNA transport, and translation. In this review article, we focus on both transcriptional and post-transcriptional Author: Koh Nakayama, Naoyuki Kataoka.   Abstract. Tuberization in potato is controlled by hormonal and environmental signals. Ca 2+, an important intracellular messenger, and calmodulin (CaM), one of the primary Ca 2+ sensors, have been implicated in controlling diverse cellular processes in plants including tuberization. The regulation of cellular processes by CaM involves its interaction with other proteins.

      Arabidopsis calmodulin isoforms CaM2/3/5 and CaM7 negatively regulate Ca 2+ conductivity during heat shock by binding to an atypical IQ motif in cyclic nucleotide-gated ion channel 6. Growth and Development. Partial defoliation up-regulated photosynthesis and down-regulated expression of sucrose export-related genes in tomato leaves.   Brassinosteroids (BRs) are a group of polyhydroxylated plant steroid hormones that are crucial for many aspects of a plant’s life. BRs were originally characterized for their function in cell elongation, but it is becoming clear that they play major roles in plant growth, development, and responses to several stresses such as extreme temperatures and by: 3.

      Abstract. Potato Homeobox 15 (POTH15) is a KNOX-I (Knotted1-like homeobox) family gene in potato that is orthologous to Shoot Meristemless (STM) in e numerous reports on KNOX genes from different species, studies in potato are limited. Here, we describe photoperiodic regulation of POTH15, its overexpression phenotype, and identification of its potential targets in potato Cited by: 2. Nature and Cell. Calcium/Calmodulin is Critical for Brassinosteroid Biosynthesis and Plant Growth appeared in print on Septem ().Read about the effect of calcium/calmodulin on plant growth at the Nature website.


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Regulated expression of a calmodulin isoform alters growth and development in potato Download PDF EPUB FB2

Ing the expression of PCM 1 alters growth and development in potato plants. Key words: Solanum tuberosum L., calmodulin, tuberization and transgenic plants. Introduction Calmodulin, a Ca2+-binding regulatory protein is known to play a pivotal role in Ca 2 + signaling in eukaryotes.

Calmo-dulin is considered to be multifunctional because of its ability. The expression of different calmodulin isoforms (PCM1, 5, 6, and 8) was studied in transgenic plants.

Among the four potato calmodulin isoforms, only the expression of PCM1 mRNA was altered in transgenic plants, while the expression of other isoforms was not significantly by: Get this from a library.

Regulated expression of a calmodulin isoform alters growth and development in potato. [B W Poovaiah; United States. National Aeronautics and Space Administration.;]. The expression of different calmodulin isoforms (PCM1, 5, 6, and 8) was studied in transgenic plants.

Among the four potato calmodulin isoforms, only the expression of PCM 1 mRNA was altered in transgenic plants, while the expression of other isoforms was not signifi- cantly altered. Among the four potato calmodulin isoforms, only the expression of PCM 1 MRNA was altered in transgenic plants, while the expression of other isoforms was not significantly altered.

Western analysis revealed increased PCM 1 protein in transgenic plants, indicating that the expression of both MRNA and protein are altered in transgenic plants. In an earlier report we found that upregulated expression of one CaM isoform (PCM1) resulted in increased growth and apical dominance in pot similar to the results of brassinosteroid Cited by: The induced expression of at least some of these calmodulin-related genes is mediated by a rise in cytosolic Ca 2+ in response to the external stimulus [17].

The dynamic modulation of calmodulin gene expression in plants is also reflected in gene-specific, developmentally regulated, organ- Cited by:   Poovaiah BW, Takezawa D, An G et al () Regulated expression of a calmodulin isoform alters growth and development in potato.

J Plant Physiol – PubMed CrossRef Google Scholar Popescu SC, Popescu GV, Bachan S et al () Differential binding of calmodulin-related proteins to their targets revealed through high-density Arabidopsis Cited by: 5. Poovaiah BW, Takezawa D, An G, Han TJ () Regulated expression of a calmodulin isoform alters growth and development in potato.

Plant PhysiologyPuonti-Kaerlas J () Cassava Biotechnology. Biotechnology and Genetic Engineering Revi Rateaver B () Anatomy and regeneration in the stem and root of Manihot. Calmodulin gene expression and calcium/calmodulin dependent protein kinase II in plants.

In Proc. Cold Spring Harbor Symp. Plant Signal transduction, Cold Spring Harbor Laboratory, Cold Cited by: 6. Regulated expression of a calmodulin isoform alters growth and development in potato. Plant Physiol. ; View in ArticleCited by:   Ca2+/calmodulin has an essential role in sensing and transducing environmental stimuli4,5.

Arabidopsis DWARF1 (DWF1) is responsible for an early step in brassinosteroid biosynthesis that converts Cited by:   Transgenic plants overexpressing a potato calmodulin isoform, PCM1, were found to be inhibited in their tuberization response Regulated expression of a calmodulin isoform alters growth and development in potato.

and sucrose in the regulation of potato tuber formation in vitro. of calmodulin on plant growth and development, we produced independent transgenic potato plants car- rying potato calmodulin cDNA (PCM-1) in sense or.

B W Poovaiah's research works with 7, citations and 5, reads, including: Enhanced Salt Tolerance of Rhizobia-inoculated Soybean Correlates with Decreased Phosphorylation of the. Poovaiah, B.W. and Du, L. Size and/or growth engineering by modulation of the interaction between calmodulin, and brassinosteroid biosynthetic enzymes and orthologs thereof.

(Patent pending) RESEARCH AWARDS/ACHIEVEMENTS: American Society for Horticultural Science – Publication Award for the most outstanding research paper. The importance of calcium and calcium-binding proteins such as calmodulin in plant growth and development as well as plant response to environmental stimuli has been recognised for some time.

However, it is only recently that the underlying mechanisms have begun to be unravelled. A variety of intracellular calcium signatures have been observed in response to various stimuli.

However, how Cited by: that its expression is developmentally regulated [8]. Potato calmodulin mRNA is highly expressed in the stolon tip, and its expression decreases during tuber development.

To study the genomic organization and expression of calmodulin genes, we have characterized different calmodulin clones from potato.

Furthermore, regulation of develop-Cited by:   INTRODUCTION. Calmodulin, a highly conserved and ubiquitous protein in eukaryotes, mediates Ca signals to various target proteins().A variety of regulatory enzymes and proteins such as protein kinases, ion channels, Ca pumps, nitric oxide synthetase, inositol trisphosphate kinase, cyclic nucleotide phosphodiesterase, and NAD kinase are known to be regulated by Ca and calmodulin(2.

Regulation of isoprenoid end-product synthesis required for normal growth and development in plants is not well understood.

To investigate the extent to which specific genes for the enzyme 3-hydroxymethylglutaryl coenzyme A reductase (HMGR) are involved in end-product regulation, we manipulated expression of the HMG1 and HMG2 genes in tomato (Lycopersicon Cited by:.

Contractile Activity Regulates Isoform Expression and Polysialylation of NCAM in Cultured Myotubes: Involvement of Ca 2+ and Protein Kinase C Victor F. Rafuse and Lynn Landmesser Department of Neurosciences, Case Western Reserve University, School of .Function.

Calmodulin 1 is the archetype of the family of calcium-modulated proteins of which nearly 20 members have been are identified by their occurrence in the cytosol or on membranes facing the cytosol and by a high affinity for ulin contains amino acids and has 4 calcium-binding EF hand motifs.

Its functions include roles in growth and the cell cycle as well Aliases: CALM1, CALML2, CAMI, CPVT4. PP7 is the first protein Ser/Thr phosphatase to be found to interact with calmodulin (CaM) in plants.

The T‐DNA insertion AtPP7 knockout line and AtPP7 overexpression lines were employed to study the specific function of AtPP7.

The AtPP7 knockout impaired the thermotolerance of Arabidopsis seedlings while the overexpression of AtPP7 resulted in plants with increased thermotolerance.