Oxford Index Search Results

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isopentenyl x Plant Sciences and Forestry x Biological Sciences x clear all

isopentenyl

Overview page. Subjects: Chemistry.

the trivial name for 3‐methylbut‐3‐enyl, CH2=C(CH3)–CH2–CH2–, the alkenyl group formally derived from isopentenyl alcohol (i.e. 3‐methylbut‐3‐en‐1‐ol) by loss of its hydroxyl...

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Relationship of isopentenyl diphosphate (IDP) isomerase activity to isoprene emission of oak leaves

Nicolas Brüggemann and Jörg-Peter Schnitzler.

in Tree Physiology

October 2002; p ublished online October 2002 .

Journal Article. Subjects: Plant Sciences and Forestry. 0 words.

Oaks emit large amounts of isoprene, a compound that plays an important role in tropospheric chemistry. Isopentenyl diphosphate isomerase (IDI, E.C. 5.3.3.2) catalyzes the isomerization of...

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Induction of early bolting in Arabidopsis thaliana by triacontanol, cerium and lanthanum is correlated with increased endogenous concentration of isopentenyl adenosine (iPAdos)

Ya‐Wen He and Chiang‐Shiong Loh.

in Journal of Experimental Botany

March 2002; p ublished online March 2002 .

Journal Article. Subjects: Plant Sciences and Forestry. 4113 words.

The effects of triacontanol (TRIA), applied singly or in combination with cerium nitrate and lanthanum nitrate, on bolting of Arabidopsis thaliana were studied. Triacontanol (0.1 to 0.6 μM)...

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Identification of Multi-Gene Families Encoding Isopentenyl Diphosphate Isomerase in Plants by Heterologous Complementation in Escherichia coli

Francis X. Cunningham and Elisabeth Gantt.

in Plant and Cell Physiology

January 2000; p ublished online January 2000 .

Journal Article. Subjects: Biochemistry; Molecular and Cell Biology; Plant Sciences and Forestry. 0 words.

Two cDNAs encoding isopentenyl diphosphate isomerase (IPI) in Adonis aestivalis, Arabidopsis thaliana, and Lactuca sativa, and single examples from Oryza sativa and Tagetes erecta were...

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Genetic Evidence for the Role of Isopentenyl Diphosphate Isomerases in the Mevalonate Pathway and Plant Development in Arabidopsis

Kazunori Okada, Hiroyuki Kasahara, Shinjiro Yamaguchi, Hiroshi Kawaide, Yuji Kamiya, Hideaki Nojiri and Hisakazu Yamane.

in Plant and Cell Physiology

April 2008; p ublished online April 2008 .

Journal Article. Subjects: Biochemistry; Molecular and Cell Biology; Plant Sciences and Forestry. 7740 words.

Isopentenyl/dimethylallyl diphosphate isomerase (IPI) catalyzes the interconversion of isopentenyl diphosphate (IPP) and dimethylallyl diphosphate (DMAPP), which are the universal C5 units...

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A novel cDNA from Parthenium argentatum Gray enhances the rubber biosynthetic activity in vitro *

In Jeong Kim, Stephen B. Ryu, Yeon Sig Kwak and Hunseung Kang.

in Journal of Experimental Botany

February 2004; p ublished online February 2004 .

Journal Article. Subjects: Plant Sciences and Forestry. 5221 words.

Natural rubber (cis‐1,4‐polyisoprene) is an isoprenoid compound produced exclusively in plants by the action of rubber transferase. Despite a keen interest in revealing the mechanisms of...

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Dark conditions enhance aluminum tolerance in several rice cultivars via multiple modulations of membrane sterols

Tadao Wagatsuma, Eriko Maejima, Toshihiro Watanabe, Tomonobu Toyomasu, Masaharu Kuroda, Toshiya Muranaka, Kiyoshi Ohyama, Akifumi Ishikawa, Masami Usui, Shahadat Hossain Khan, Hayato Maruyama, Keitaro Tawaraya, Yuriko Kobayashi and Hiroyuki Koyama.

in Journal of Experimental Botany

January 2018; p ublished online December 2017 .

Journal Article. Subjects: Plant Sciences and Forestry. 7061 words.

Abstract

Aluminum-sensitive rice (Oryza sativa L.) cultivars showed increased Al tolerance under dark conditions, because less Al accumulated in the root tips...

Cytokinins in the perianth, carpels, and developing fruit of Helleborus niger L.

Petr Tarkowski, Danuše Tarkowská, Ondřej Novák, Snježana Mihaljević, Volker Magnus, Miroslav Strnad and Branka Salopek-Sondi.

in Journal of Experimental Botany

July 2006; p ublished online June 2006 .

Journal Article. Subjects: Plant Sciences and Forestry. 5532 words.

Reproductive development in the Christmas rose (Helleborus niger L.) differs from that in commonly investigated model plants in two important aspects: (i) the perianth develops a...

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Development of an abscisic acid biosynthesizing cell-free system from flavedo of Citrus sinensis fruit

Gaynor R. Richardson and A. Keith Cowan.

in Journal of Experimental Botany

March 1996; p ublished online March 1996 .

Journal Article. Subjects: Plant Sciences and Forestry. 0 words.

Cell-free extracts prepared from an acetone powder derived from the flavedo of mature, coloured fruits of Citrus sinensis L. cv. Midknight transformed mevalonic acid, isopentenyl...

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Subcellular localization and biochemical comparison of cytosolic and secreted cytokinin dehydrogenase enzymes from maize

Mária Šmehilová, Petr Galuszka, Kristin D. Bilyeu, Pavel Jaworek, Marta Kowalska, Marek Šebela, Michaela Sedlářová, James T. English and Ivo Frébort.

in Journal of Experimental Botany

July 2009; p ublished online May 2009 .

Journal Article. Subjects: Plant Sciences and Forestry. 7298 words.

Cytokinin dehydrogenase (CKX; EC 1.5.99.12) degrades cytokinin hormones in plants. There are several differently targeted isoforms of CKX in plant cells. While most CKX enzymes appear to be...

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Rapid effects of nitrogen form on leaf morphogenesis in tobacco

Pia Walch‐Liu, Günter Neumann, Fritz Bangerth and Christof Engels.

in Journal of Experimental Botany

February 2000; p ublished online February 2000 .

Journal Article. Subjects: Plant Sciences and Forestry. 7221 words.

Ammonium (NH+ 4) instead of nitrate (NO 3) as the nitrogen (N) source for tobacco (Nicotiana tabacum L.) cultivated in a pH‐buffered nutrient solution resulted in...

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Dynamic changes in concentrations of auxin, cytokinin, ABA and selected metabolites in multiple genotypes of Douglas-fir (Pseudotsuga menziesii) during a growing season

Lisheng Kong, Suzanne R. Abrams, Stacey J. Owen, Annette Van Niejenhuis and Patrick Von Aderkas.

in Tree Physiology

February 2009; p ublished online February 2009 .

Journal Article. Subjects: Plant Sciences and Forestry. 5045 words.

Changes in concentrations of several endogenous phytohormones and metabolites were analyzed in the long shoots of nine genotypes of coastal Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco...

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Functional characterization of the three genes encoding 1-deoxy-D-xylulose 5-phosphate synthase in maize

Elizabeth Cordoba, Helena Porta, Analilia Arroyo, Carolina San Román, Luis Medina, Manuel Rodríguez-Concepción and Patricia León.

in Journal of Experimental Botany

March 2011; p ublished online January 2011 .

Journal Article. Subjects: Plant Sciences and Forestry. 9001 words.

The 1-deoxy-D-xylulose 5-phosphate synthase (DXS) enzyme catalyses the first biosynthetic step of the 2-C-methyl-D-erythritol 4-phosphate (MEP) pathway. In plants the MEP pathway is...

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Effects of cor15a-IPT gene expression on leaf senescence in transgenic Petunia×hybrida and Dendranthema×grandiflorum

Mariya Khodakovskaya, Yi Li, Jisheng Li, Radomíra Vaňková, Jiří Malbeck and Richard McAvoy.

in Journal of Experimental Botany

April 2005; p ublished online February 2005 .

Journal Article. Subjects: Plant Sciences and Forestry. 7601 words.

To prevent leaf senescence of young transplants or excised shoots during storage under dark and cold conditions, the cytokinin biosynthetic gene isopentenyl transferase (ipt) was placed...

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Regulation of cytokinin biosynthesis, compartmentalization and translocation

Naoya Hirose, Kentaro Takei, Takeshi Kuroha, Tomoe Kamada-Nobusada, Hiroaki Hayashi and Hitoshi Sakakibara.

in Journal of Experimental Botany

January 2008; p ublished online September 2007 .

Journal Article. Subjects: Plant Sciences and Forestry. 4516 words.

Cytokinins, a group of mobile phytohormones, play an important role in plant growth and development, and their activity is finely controlled by environmental factors in the control of...

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Proteome and metabolome profiling of cytokinin action in Arabidopsis identifying both distinct and similar responses to cytokinin down- and up-regulation

Martin Černý, Alena Kuklová, Wolfgang Hoehenwarter, Lena Fragner, Ondřej Novák, Gabriela Rotková, Petr L. Jedelský, Kateřina Žáková, Mária Šmehilová, Miroslav Strnad, Wolfram Weckwerth and Břetislav Brzobohatý.

in Journal of Experimental Botany

November 2013; p ublished online September 2013 .

Journal Article. Subjects: Plant Sciences and Forestry. 9886 words.

In plants, numerous developmental processes are controlled by cytokinin (CK) levels and their ratios to levels of other hormones. While molecular mechanisms underlying the regulatory roles...

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Metabolic routes affecting rubber biosynthesis in Hevea brasiliensis latex

Keng-See Chow, Mohd.-Noor Mat-Isa, Azlina Bahari, Ahmad-Kamal Ghazali, Halimah Alias, Zainorlina Mohd.-Zainuddin, Chee-Choong Hoh and Kiew-Lian Wan.

in Journal of Experimental Botany

March 2012; p ublished online December 2011 .

Journal Article. Subjects: Plant Sciences and Forestry. 4617 words.

The cytosolic mevalonate (MVA) pathway in Hevea brasiliensis latex is the conventionally accepted pathway which provides isopentenyl diphosphate (IPP) for cis-polyisoprene (rubber)...

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Developing fruit direct post‐floral morphogenesis in Helleborus niger L.

Branka Salopek‐Sondi, Maja Kovač, Tatjana Prebeg and Volker Magnus.

in Journal of Experimental Botany

September 2002; p ublished online September 2002 .

Journal Article. Subjects: Plant Sciences and Forestry. 5529 words.

In fertilized flowers of Helleborus niger L., the sepals (the showy elements of the perianth at anthesis) grow, spread, and turn green, and the peduncles elongate. These processes did not...

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The 14-3-3 protein HbGF14a interacts with a RING zinc finger protein to regulate expression of the rubber transferase gene in Hevea brasiliensis

Dong Guo, Zi-Ping Yang, Hui-Liang Li, Ying Wang, Jia-Hong Zhu and Shi-Qing Peng.

in Journal of Experimental Botany

April 2018; p ublished online February 2018 .

Journal Article. Subjects: Plant Sciences and Forestry. 6094 words.

Abstract

Hevea brasiliensis is a key commercial source of natural rubber (cis 1,4-polyisoprene). In H. brasiliensis, rubber transferase is...

A somaclonal line SE7 of finger millet (Eleusine coracana) exhibits modified cytokinin homeostasis and increased grain yield

Volodymyr Radchuk, Ruslana Radchuk, Yaroslav Pirko, Radomira Vankova, Alena Gaudinova, Vitaly Korkhovoy, Alla Yemets, Hans Weber, Winfriede Weschke and Yaroslav B. Blume.

in Journal of Experimental Botany

September 2012; p ublished online August 2012 .

Journal Article. Subjects: Plant Sciences and Forestry. 7040 words.

The SE7 somaclonal line of finger millet (Eleusine coracana) achieved increased grain yield in field trials that apparently resulted from a higher number of inflorescences and seeds per...

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Proteomic changes associated with expression of a gene (ipt) controlling cytokinin synthesis for improving heat tolerance in a perennial grass species

Yan Xu, Thomas Gianfagna and Bingru Huang.

in Journal of Experimental Botany

July 2010; p ublished online June 2010 .

Journal Article. Subjects: Plant Sciences and Forestry. 9444 words.

Cytokinins (CKs) are known to regulate leaf senescence and affect heat tolerance, but mechanisms underlying CK regulation of heat tolerance are not well understood. A comprehensive...

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