Oxford Index Search Results

You are looking at 21-40 of 42 items for:

isopentenyl x Plant Sciences and Forestry x clear all

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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Ligand-binding properties and subcellular localization of maize cytokinin receptors

Sergey N. Lomin, Keiko Yonekura-Sakakibara, Georgy A. Romanov and Hitoshi Sakakibara.

in Journal of Experimental Botany

October 2011; p ublished online July 2011 .

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

The ligand-binding properties of the maize (Zea mays L.) cytokinin receptors ZmHK1, ZmHK2, and ZmHK3a have been characterized using cytokinin binding assays with living cells or membrane...

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Genome-wide identification and characterization of novel genes involved in terpenoid biosynthesis in Salvia miltiorrhiza

Yimian Ma, Lichai Yuan, Bin Wu, Xian’en Li, Shilin Chen and Shanfa Lu.

in Journal of Experimental Botany

April 2012; p ublished online January 2012 .

Journal Article. Subjects: Plant Sciences and Forestry. 9040 words.

Terpenoids are the largest class of plant secondary metabolites and have attracted widespread interest. Salvia miltiorrhiza, belonging to the largest and most widely distributed genus in...

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Early cytokinin response proteins and phosphoproteins of Arabidopsis thaliana identified by proteome and phosphoproteome profiling

Martin Černý, Filip Dyčka, Janette Bobál'ová and Břetislav Brzobohatý.

in Journal of Experimental Botany

January 2011; p ublished online October 2010 .

Journal Article. Subjects: Plant Sciences and Forestry. 8192 words.

Cytokinins are plant hormones involved in regulation of diverse developmental and physiological processes in plants whose molecular mechanisms of action are being intensely researched....

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Comparative analyses of lipidomes and transcriptomes reveal a concerted action of multiple defensive systems against photooxidative stress in Haematococcus pluvialis

Yunho Gwak, Yong-sic Hwang, Baobei Wang, Minju Kim, Jooyeon Jeong, Choul-Gyun Lee, Qiang Hu, Danxiang Han and EonSeon Jin.

in Journal of Experimental Botany

August 2014; p ublished online May 2014 .

Journal Article. Subjects: Plant Sciences and Forestry. 11035 words.

Haematococcus pluvialis cells predominantly remain in the macrozooid stage under favourable environmental conditions but are rapidly differentiated into haematocysts upon...

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Effects of cotton rootstock on endogenous cytokinins and abscisic acid in xylem sap and leaves in relation to leaf senescence

Hezhong Dong, Yuehua Niu, Weijiang Li and Dongmei Zhang.

in Journal of Experimental Botany

April 2008; p ublished online March 2008 .

Journal Article. Subjects: Plant Sciences and Forestry. 5988 words.

Leaf senescence varies greatly among cotton cultivars, possibly due to their root characteristics, particularly the root-sourced cytokinins and abscisic acid (ABA). Early-senescence (K1)...

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Mechanism of phytohormone involvement in feedback regulation of cotton leaf senescence induced by potassium deficiency

Ye Wang, Bo Li, Mingwei Du, A. Egrinya Eneji, Baomin Wang, Liusheng Duan, Zhaohu Li and Xiaoli Tian.

in Journal of Experimental Botany

October 2012; p ublished online September 2012 .

Journal Article. Subjects: Plant Sciences and Forestry. 8940 words.

To elucidate the phytohormonal basis of the feedback regulation of leaf senescence induced by potassium (K) deficiency in cotton (Gossypium hirsutum L.), two cultivars contrasting in...

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Knockdown of LjIPT3 influences nodule development in Lotus japonicus

Yaping Chen, Wei Chen, Xueliu Li, Huawu Jiang, Pingzhi Wu, Kuaifei Xia, Yali Yang and Guojiang Wu.

in Plant and Cell Physiology

January 2014; p ublished online November 2013 .

Journal Article. Subjects: Plant Sciences and Forestry; Biochemistry; Molecular and Cell Biology. 5532 words.

Cytokinins play important roles in legume–rhizobia symbiosis. Here we report isolation of six genes encoding isopentenyl transferase (IPT) from Lotus japonicus, which catalyze the...

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Phytohormones and their metabolites during long shoot development in Douglas-fir following cone induction by gibberellin injection

Lisheng Kong, Suzanne R. Abrams, Stacey J. Owen, Hilary Graham and Patrick von Aderkas.

in Tree Physiology

July 2008; p ublished online July 2008 .

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

Summary

Changes in plant hormones and metabolites in long-shoot stems of interior Douglas-fir (Pseudotsuga menziesii var. glauca (Beissn.) Franco) during...

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Photosynthesis, water use, and root viability under water stress as affected by expression of SAG12-ipt controlling cytokinin synthesis in Agrostis stolonifera

Emily B. Merewitz, Thomas Gianfagna and Bingru Huang.

in Journal of Experimental Botany

January 2011; p ublished online September 2010 .

Journal Article. Subjects: Plant Sciences and Forestry. 7928 words.

Water stress reduces endogenous cytokinin (CK) content and may inhibit CK production. Maintenance of endogenous CK levels by genetic transformation with ipt in leaves and roots undergoing...

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The pathway of biosynthesis of abscisic acid in vascular plants: a review of the present state of knowledge of ABA biosynthesis

B.V. Milborrow.

in Journal of Experimental Botany

June 2001; p ublished online June 2001 .

Journal Article. Subjects: Plant Sciences and Forestry. 14242 words.

The pathway of biosynthesis of abscisic acid (ABA) can be considered to comprise three stages: (i) early reactions in which small phosphorylated intermediates are assembled as precursors of...

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Identification of Plant Cytokinin Biosynthetic Enzymes as Dimethylallyl Diphosphate:ATP/ADP Isopentenyltransferases

Tatsuo Kakimoto.

in Plant and Cell Physiology

July 2001; p ublished online July 2001 .

Journal Article. Subjects: Biochemistry; Molecular and Cell Biology; Plant Sciences and Forestry. 5039 words.

It has been believed that the key step in cytokinin biosynthesis is the addition of a 5-carbon chain to the N6 of AMP. To identify cytokinin biosynthesis enzymes that catalyze the formation...

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Partial Characterization of Farnesyl and Geranylgeranyl Diphosphatases Induced in Rice Seedlings by UV-C Irradiation

Jaehyuk Nah, Seon-Joo Song and Kyoungwhan Back.

in Plant and Cell Physiology

August 2001; p ublished online August 2001 .

Journal Article. Subjects: Biochemistry; Molecular and Cell Biology; Plant Sciences and Forestry. 2534 words.

This study reports the identification and characterization of allyl diphosphatases (EC 3.1.7.1) in plants by using rice seedlings. Two distinct Mg2+-independent allyl diphosphatases, which...

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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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Amyloplast Formation in Cultured Tobacco BY-2 Cells Requires a High Cytokinin Content

Yutaka Miyazawa, Hisashi Kato, Toshiya Muranaka and Shigeo Yoshida.

in Plant and Cell Physiology

December 2002; p ublished online December 2002 .

Journal Article. Subjects: Biochemistry; Molecular and Cell Biology; Plant Sciences and Forestry. 5167 words.

When cytokinin-autonomous tobacco BY-2 cell cultures are transferred into 2,4-dichlorophenoxyacetic acid (2,4-D)-deprived medium, amyloplast development is initiated. Using this in vitro...

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Biosynthesis of Sterols and Triterpenes in Cell Suspension Cultures of Uncaria tomentosa

Isvett J. Flores-Sánchez, Jaime Ortega-López, María del Carmen Montes-Horcasitas and Ana C. Ramos-Valdivia.

in Plant and Cell Physiology

December 2002; p ublished online December 2002 .

Journal Article. Subjects: Biochemistry; Molecular and Cell Biology; Plant Sciences and Forestry. 5231 words.

Pectin administered to Uncaria tomentosa cell suspension cultures, was found to increase the production of triterpene acids (ursolic and oleanolic acid), however, neither growth nor sterol...

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The Arabidopsis AHK4 Histidine Kinase is a Cytokinin-Binding Receptor that Transduces Cytokinin Signals Across the Membrane

Hisami Yamada, Tomomi Suzuki, Kazunori Terada, Kentaro Takei, Kuniko Ishikawa, Kumiko Miwa, Takafumi Yamashino and Takeshi Mizuno.

in Plant and Cell Physiology

September 2001; p ublished online September 2001 .

Journal Article. Subjects: Biochemistry; Molecular and Cell Biology; Plant Sciences and Forestry. 3370 words.

Common histidine-to-aspartate (His→Asp) phosphorelay is a paradigm of signal transduction in both prokaryotes and eukaryotes for the propagation of certain environmental stimuli, in which...

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Cultivars of Hexaploid Wheat of Contrasting Stature and Chlorophyll Retention Differ in Cytokinin Content and Responsiveness

GARY M. BANOWETZ.

in Annals of Botany

February 1997; p ublished online February 1997 .

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

The work reported here compared cytokinin content and sensitivity in a selection of hexaploid wheat (Triticum aestivum L.) cultivars using the following measurements: leaf cytokinins at...

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