Oxford Index Search Results


Biochemical evidence supporting the presence of the classical mevalonate pathway in the thermoacidophilic archaeon Sulfolobus solfataricus

Hiroto Nishimura, Yasuhiro Azami, Masahito Miyagawa, Chika Hashimoto, Tohru Yoshimura and Hisashi Hemmi.

in The Journal of Biochemistry

May 2013; p ublished online February 2013 .

Journal Article. Subjects: Biochemistry. 4204 words.

The existence of the classical mevalonate (MVA) pathway was examined in the thermoacidophilic archaeon Sulfolobus solfataricus. The pathway is considered uncommon among archaea because the...

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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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Dynamics of Endogenous Cytokinin Pools in Tobacco Seedlings: a Modelling Approach

MATEJ LEXA, TODOR GENKOV, JIŘÍ MALBECK, IVANA MACHÁČKOVÁ and BŘETISLAV BRZOBOHATÝ.

in Annals of Botany

April 2003; p ublished online April 2003 .

Journal Article. Subjects: Ecology and Conservation; Evolutionary Biology; Plant Sciences and Forestry. 8188 words.

Recent advances in cytokinin analysis have made it possible to measure the content of 22 cytokinin metabolites in the tissue of developing tobacco seedlings. Individual types of cytokinins...

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Temperature Effects on Cytokinin Accumulation and Kernel Mass in a Dwarf Wheat

G. M. BANOWETZ, K. AMMAR and D. D. CHEN.

in Annals of Botany

March 1999; p ublished online March 1999 .

Journal Article. Subjects: Ecology and Conservation; Evolutionary Biology; Plant Sciences and Forestry. 0 words.

The objectives of this study were: (1) to quantify post-anthesis kernel cytokinin levels in ‘Tibet Dwarf’, a dwarf wheat (Triticum aestivumL.) that accumulates elevated quantities of leaf...

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Association between Vγ2Vδ2 T Cells and Disease Progression after Infection with Closely Related Strains of HIV in China

Haishan Li, Hong Peng, Pengfei Ma, Yuhua Ruan, Bing Su, Xinping Ding, Chen Xu, C. David Pauza and Yiming Shao.

in Clinical Infectious Diseases

May 2008; p ublished online May 2008 .

Journal Article. Subjects: Infectious Diseases; Immunology; Public Health and Epidemiology; Microbiology. 3580 words.

Background . Human immunodeficiency virus (HIV) infection and disease are accompanied by decreases in the absolute number and function of Vγ2Vδ2 T...

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Vγ9/Vδ2 T cell activation induced by bacterial low molecular mass compounds depends on the 1-deoxy-D-xylulose 5-phosphate pathway of isoprenoid biosynthesis

Hassan Jomaa, Juliane Feurle, Katja Lühs, Volker Kunzmann, Hans-Peter Tony, Markus Herderich and Martin Wilhelm.

in FEMS Immunology & Medical Microbiology

September 1999; p ublished online January 2006 .

Journal Article. Subjects: Medical Microbiology and Virology; Biotechnology; Genetics and Genomics; Microbiology; Molecular and Cell Biology. 3847 words.

Abstract

Isopentenyl diphosphate (IPP), an important precursor of isoprenoid biosynthesis in prokaryotic and eukaryotic organisms, has been shown to activate...

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Increasing the intracellular isoprenoid pool in Saccharomyces cerevisiae by structural fine-tuning of a bifunctional farnesyl diphosphate synthase

Sebastián Rubat, Ignacio Varas, Romina Sepúlveda, Daniel Almonacid, Fernando González-Nilo and Eduardo Agosin.

in FEMS Yeast Research

P ublished online June 2017 .

Journal Article. Subjects: Biotechnology; Genetics and Genomics; Microbiology; Molecular and Cell Biology; Mycology and Fungi. 6060 words.

Abstract

Farnesyl diphosphate synthase (FPPS) is a key enzyme responsible for the supply of isoprenoid precursors for several essential metabolites, including...

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Identification, cloning, purification, and enzymatic characterization of Mycobacterium tuberculosis 1-deoxy-d-xylulose 5-phosphate synthase

Ann Marie Bailey, Sebabrata Mahapatra, Patrick J. Brennan and Dean C. Crick.

in Glycobiology

December 2002; p ublished online December 2002 .

Journal Article. Subjects: Carbohydrates. 5633 words.

The enzyme encoded by Rv2682c in Mycobacterium tuberculosis is a functional 1-deoxy-d-xylulose 5-phosphate synthase (DXS), suggesting that the pathogen utilizes the mevalonate-independent...

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Preferential recognition of a microbial metabolite by human Vγ2Vδ2 T cells

Kia-Joo Puan, Chenggang Jin, Hong Wang, Ghanashyam Sarikonda, Amy M. Raker, Hoi K. Lee, Megan I. Samuelson, Elisabeth Märker-Hermann, Ljiljana Pasa-Tolic, Edward Nieves, José-Luis Giner, Tomohisa Kuzuyama and Craig T. Morita.

in International Immunology

May 2007; p ublished online April 2007 .

Journal Article. Subjects: Immunology; Biological Sciences. 9759 words.

Human Vγ2Vδ2 T cells are stimulated by prenyl pyrophosphates, such as isopentenyl pyrophosphate (IPP), and play important roles in mediating immunity against microbial pathogens and have...

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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...

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