Search results for: Norio Murata

Items from 1 to 20 out of 87 results

article

High myristic acid content in the cyanobacterium Cyanothece sp. PCC 8801 results from substrate specificity of lysophosphatidic acid acyltransferase

Masakazu Saito, Kaichiro Endo, Koichi Kobayashi, Mai Watanabe, more

Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids > 2018 > 1863 > 9 > 939-947

Analysis of fatty acids from the cyanobacterium Cyanothece sp. PCC 8801 revealed that this species contained high levels of myristic acid (14:0) and linoleic acid in its glycerolipids, with minor contributions from palmitic acid (16:0), stearic acid, and oleic acid. The level of 14:0 relative to total fatty acids reached nearly 50%. This 14:0 fatty acid was esterified primarily to the sn-2 position...

article

ATP is a driving force in the repair of photosystem II during photoinhibition

Norio Murata, Yoshitaka Nishiyama

Plant, Cell & Environment > 41 > 2 > 285 - 299

Repair of photosystem II (PSII) during photoinhibition involves replacement of photodamaged D1 protein by newly synthesized D1 protein. In this review, we summarize evidence for the indispensability of ATP in the degradation and synthesis of D1 during the repair of PSII. Synthesis of one molecule of the D1 protein consumes more than 1,300 molecules of ATP equivalents. The degradation of photodamaged...

chapter

Membrane Lipids in Cyanobacteria

Hajime Wada, Norio Murata

Advances in Photosynthesis and Respiration > Lipids in Photosynthesis: Structure, Function and Genetics > 65-81

Summary Cyanobacteria, a large group of microorganisms in the prokaryotic kingdom, perform oxygenic photosynthesis using two photosystems that resemble those in the chloroplasts of eukaryotic plants. Cyanobacteria contain three glycolipids, monogalactosyldiacylglycerol, digalactosyldiacylglycerol and sulfoquinovosyldiacylglycerol, and a phospholipid, phosphatidylglycerol, as major glycerolipids. The...

chapter

Regulatory Roles in Photosynthesis of Unsaturated Fatty Acids in Membrane Lipids

Suleyman I. Allakhverdiev, Dmitry A. Los, Norio Murata

Advances in Photosynthesis and Respiration > Lipids in Photosynthesis > 373-388

Summary The diversity of lipids in thylakoid membranes and their unique characteristics, in addition to their specific orientation in these membranes, strongly suggest that they play specific and important roles in the thylakoid membrane. In the chloroplasts of plants and algae, as well as in cyanobacterial cells, most of the photosyn-thetic machinery is embedded in thylakoid membranes, which are...

chapter

Sensors of abiotic stress in Synechocystis

Koji Mikami, Iwane Suzuki, Norio Murata

Topics in Current Genetics > Plant Responses to Abiotic Stress > 103-119

Systematic mutagenesis of histidine kinases in combination with DNA microarray technology has allowed us to identify sensors for cold, hyperosmotic stress, sodium chloride, phosphate, and metal ions in Synechocystis sp. PCC 6803. His kinase 33 (Hik33) senses both cold and hyperosmotic stress and regulates the expression of different sets of genes when cells are exposed to each respective stress. Salt...

chapter

Lipids in Photosynthesis: An Overview

Norio Murata, Paul-André Siegenthaler

Advances in Photosynthesis and Respiration > Lipids in Photosynthesis: Structure, Function and Genetics > 1-20

Summary The intent of this book is to provide readers with a comprehensive overview of lipid structure, function and genetics of the chloroplast, with special emphasis on the photosynthetic apparatus in chloroplast thylakoid membranes. In this introductory chapter, we provide a brief review of chloroplast lipid structure and function in which we guide the reader to appropriate chapters wherein specific...

chapter

Lipids in Thylakoid Membranes and Photosynthetic Cells

Hajime Wada, Norio Murata

Advances in Photosynthesis and Respiration > Lipids in Photosynthesis > 1-9

Summary The goal of this book is to provide a comprehensive overview of recent advances in plant-lipid research, with special emphasis on the lipids in thylakoid membranes. The determination of the genome sequences of photosynthetic organisms, such as cyanobacteria, algae and higher plants; the development of muta-tional and transgenic techniques; and the development of other analytical methods have...

chapter

Sensors of abiotic stress in Synechocystis

Koji Mikami, Iwane Suzuki, Norio Murata

Topics in Current Genetics > Plant Responses to Abiotic Stress > 103-119

chapter

Sensors and Signal Transducers of Environmental Stress in Cyanobacteria

Yu Kanesaki, Dmitry. A. Los, Iwane Suzuki, Norio Murata

Abiotic Stress Adaptation in Plants > Stress Perception and Signal Transduction > 15-31

Summary The perception of environmental stress and the subsequent transduction of stress signals are primary events in the acclimation of all organisms to changes in their environment. Many of the molecular sensors and transducers of environmental stress cannot be identified by traditional and conventional methods. Based on genomic information, a systematic approach has been applied to the solution...

chapter

Genetic Engineering of the Unsaturation of Membrane Glycerolipid: Effects on the Ability of the Photosynthetic Machinery to Tolerate Temperature Stress

Zoltan Gombos, Norio Murata

Advances in Photosynthesis and Respiration > Lipids in Photosynthesis: Structure, Function and Genetics > 249-262

Summary Most of the photosynthetic machinery is embedded in thylakoid membranes, which are composed of proteins, lipids and pigments, in chloroplasts and in Cyanobacterial cells. The specific lipid composition of thylakoid membranes is regarded as being essential for the functions of these membranes, and alterations in the fatty acids of the membrane glycerolipids can affect the physical characteristics...

book

Lipids in Photosynthesis

Hajime Wada, Norio Murata

Advances in Photosynthesis and Respiration

This book provides an essential summary of an exciting decade of research on relationships between lipids and photosynthesis. This book, designed both for scientists whose work focuses on photosynthesis and lipids and for graduate students who are developing an interest in the field, brings together extensively cross-referenced and peer-reviewed chapters by 52 prominent researchers, from 9 countries...

chapter

Bond properties of silane modified optical adhesives for silicon photonics

Seiko Mitachi, Arisa Hagiwara, Norio Murata, Hirokazu Kageyama, more

2014 International Conference on Electronics Packaging (ICEP) > 712 - 715

2014 International Conference on Electronics Packaging (ICEP)

We report the adhesion properties between glass plates and silicon chips by measuring compression shear strength changes of silane modified optical adhesives, Y-41, Y-42, Y-43, and Y-45R after various reliability tests, with the goal to apply these adhesives to the newly emerging Si-photonics area.

article

Efficient production of lycopene in Saccharomyces cerevisiae by expression of synthetic crt genes from a plasmid harboring the ADH2 promoter

Ahmed Bahieldin, Nour O. Gadalla, Saleh M. Al-Garni, Hussein Almehdar, more

Plasmid > 2014 > 72 > Complete > 18-28

Lycopene is an effective antioxidant proposed as a possible treatment for some cancers and other degenerative human conditions. This study aims at generation of a yeast strain (Saccharomyces cerevisiae) of efficient productivity of lycopene by overexpressing synthetic genes derived from crtE, crtB and crtI genes of Erwinia uredovora. These synthetic genes were constructed in accordance with the preferred...

article

Revised scheme for the mechanism of photoinhibition and its application to enhance the abiotic stress tolerance of the photosynthetic machinery

Yoshitaka Nishiyama, Norio Murata

Applied Microbiology and Biotechnology > 2014 > 98 > 21 > 8777-8796

When photosynthetic organisms are exposed to abiotic stress, their photosynthetic activity is significantly depressed. In particular, photosystem II (PSII) in the photosynthetic machinery is readily inactivated under strong light and this phenomenon is referred to as photoinhibition of PSII. Other types of abiotic stress act synergistically with light stress to accelerate photoinhibition. Recent studies...

article

Prasanna K. Mohanty (1934–2013): a great photosynthetiker and a wonderful human being who touched the hearts of many

Swati Tiwari, Baishnab Charan Tripathy, Anjana Jajoo, Anath Bandhu Das, more

Photosynthesis Research > 2014 > 122 > 3 > 235-260

Prasanna K. Mohanty, a great scientist, a great teacher and above all a great human being, left us more than a year ago (on March 9, 2013). He was a pioneer in the field of photosynthesis research; his contributions are many and wide-ranging. In the words of Jack Myers, he would be a “photosynthetiker” par excellence. He remained deeply engaged with research almost to the end of his life; we believe...

article

The mechanism of photoinhibition in vivo: Re-evaluation of the roles of catalase, α-tocopherol, non-photochemical quenching, and electron transport

Norio Murata, Suleyman I. Allakhverdiev, Yoshitaka Nishiyama

BBA - Bioenergetics > 2012 > 1817 > 8 > 1127-1133

Photoinhibition of photosystem II (PSII) occurs when the rate of light-induced inactivation (photodamage) of PSII exceeds the rate of repair of the photodamaged PSII. For the quantitative analysis of the mechanism of photoinhibition of PSII, it is essential to monitor the rate of photodamage and the rate of repair separately and, also, to examine the respective effects of various perturbations on...

article

Glycinebetaine enhances the tolerance of tomato plants to high temperature during germination of seeds and growth of seedlings

SHUFEN LI, FENG LI, JIANWEI WANG, WEN ZHANG, more

Plant, Cell & Environment > 34 > 11 > 1931 - 1943

Tomato (Lycopersicon esculentum cv. ‘Moneymaker’) was transformed with a codA gene, from Arthrobacter globiformis, for choline oxidase that had been modified to allow targeting to both chloroplasts and the cytosol. Glycinebetaine (GB) accumulated in seeds of transformed plants up to 1 µmol g⁻¹ dry weight (DW), while no detectable GB was found in wild‐type (WT) seeds. The codA‐transgenic seeds germinated...

article

Transformation of tomato with a bacterial codA gene enhances tolerance to salt and water stresses

Deepa Goel, Ajay K. Singh, Vichita Yadav, Shashi B. Babbar, more

Journal of Plant Physiology > 2011 > 168 > 11 > 1286-1294

Genetically engineered tomato (Lycopersicon esculentum) with the ability to synthesize glycinebetaine was generated by introducing the codA gene encoding choline oxidase from Arthrobacter globiformis. Integration of the codA gene in transgenic tomato plants was verified by PCR analysis and DNA blot hybridization. Transgenic expression of gene was verified by RT-PCR analysis and RNA blot hybridization...

article

Protein synthesis is the primary target of reactive oxygen species in the photoinhibition of photosystem II

Yoshitaka Nishiyama, Suleyman I. Allakhverdiev, Norio Murata

Physiologia Plantarum > 142 > 1 > 35 - 46

Photoinhibition of photosystem II (PSII) occurs when the rate of photodamage to PSII exceeds the rate of the repair of photodamaged PSII. Recent examination of photoinhibition by separate determinations of photodamage and repair has revealed that the rate of photodamage to PSII is directly proportional to the intensity of incident light and that the repair of PSII is particularly sensitive to the...

article

Protection by α-tocopherol of the repair of photosystem II during photoinhibition in Synechocystis sp. PCC 6803

Shuhei Inoue, Kayoko Ejima, Eri Iwai, Hidenori Hayashi, more

BBA - Bioenergetics > 2011 > 1807 > 2 > 236-241

α-Tocopherol is a lipophilic antioxidant that is an efficient scavenger of singlet oxygen. We investigated the role of α-tocopherol in the protection of photosystem II (PSII) from photoinhibition using a mutant of the cyanobacterium Synechocystis sp. PCC 6803 that is deficient in the biosynthesis of α-tocopherol. The activity of PSII in mutant cells was more sensitive to inactivation by strong light...

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PHOTOSYSTEM II (23)
PHOTOINHIBITION (13)
CYANOBACTERIUM (9)
PHOTOSYNTHESIS (9)
REPAIR (9)
D1 PROTEIN (7)
GLYCINEBETAINE (7)
CHOLINE OXIDASE (5)
CYANOBACTERIA (5)
PROTEIN SYNTHESIS (5)
SYNECHOCYSTIS (5)
ENVIRONMENTAL STRESS (4)
OXYGEN EVOLUTION (4)
PHOTODAMAGE (4)
SALT STRESS (4)
THYLAKOID MEMBRANE (4)
(SPINACH CHLOROPLAST) (3)
CHLOROPHYLL FLUORESCENCE (3)
HEAT STRESS (3)
HISTIDINE KINASE (3)
LIPID (3)
REACTIVE OXYGEN SPECIES (3)
RESPONSE REGULATOR (3)
33-KDA POLYPEPTIDE (2)
ACCLIMATION (2)
CALVIN CYCLE (2)
CHILLING SENSITIVITY (2)
CODA GENE (2)
COLD SENSOR (2)
DNA MICROARRAY (2)
ENVIRONMENT (2)
FATTY ACID COMPOSITION (2)
FATTY ACID DESATURASE (2)
GENE EXPRESSION (2)
GENE REGULATION (2)
GLYCEROL-3-PHOSPHATE ACYLTRANSFERASE (2)
LOW TEMPERATURE (2)
MEMBRANE FLUIDITY (2)
MEMBRANE LIPID (2)
PHOSPHATIDYLGLYCEROL (2)
PHOTOINACTIVATION (2)
SALT TOLERANCE (2)
SIGNAL PERCEPTION (2)
SIGNAL TRANSDUCTION (2)
SYNECHOCYSTIS SP. PCC 6803 (2)
TEMPERATURE STRESS (2)
TRANSFORMATION (2)
CA 2 + (1)
CL - (1)
CL - EFFECT (1)
CYTOCHROME C 6 (1)
CYTOCHROME C M (1)
CIS–TRANS ISOMERASE (1)
CTI EXPRESSION (1)
PSEUDOMONAS SYRINGAE (1)
SYNECHOCYSTIS (1)
(SPINACH, TOBACCO) (1)
(SQUASH) (1)
(SYNECHOCYSTIS PCC 6803) (1)
(SYNECHOCYSTIS SP. PCC 6803) (1)
24-KDA POLYPEPTIDE (1)
ABIOTIC STRESS (1)
ABIOTIC STRESS TOLERANCE (1)
ACYL-LIPID DESATURASE (1)
ADH2 PROMOTER (1)
AEROBIC DESATURATION (1)
ALKALINE PHOSPHATASE (1)
ANAEROBIC PATHWAY (1)
ANDREW BENSON (1)
ANTARCTICA (1)
ANTIOXIDATIVE DEFENCE (1)
ARABIDOPSIS THALIANA (1)
ASCORBATE (1)
ASCORBATE (VITAMIN C) (1)
ATP (1)
BETAINES (1)
BOVINE MUSCLE SATELLITE CELL (1)
CATALASE/PEROXIDASE (1)
CATION-DEPENDENT DISTRIBUTION OF LIGHT ENERGY (1)
CDNA CLONING (1)
CHILLING RESISTANCE IN PLANTS (1)
CHILLING TOLERANCE (1)
CHILLING TOLERANCE CYANOBACTERIUM FATTY ACID DESATURASE LOW-TEMPERATURE ACCLIMATION MEMBRANE LIPID PHOTOSYNTHESIS (1)
CHLOROPHYLL (1)
CHLOROPHYLL A'DIMER (1)
CHLOROPHYLL FLUORESCENCE AT LIQUID-NITROGEN TEMPERATURE (1)
CHLOROPLAST DNA (1)
CHLOROPLAST ENZYME (1)
CO2 FIXATION (1)
COLD-INDUCIBLE GENE (1)
COMPATIBLE SOLUTE (1)
COMPRESSION SHEAR STRENTH (1)
CONSTITUTIVE EXPRESSION (1)
COXD GENE (1)
CRT GENE (1)
CUCURBITA MOSCHATA (1)
CYANOTHECE SP. PCC 8801 (1)
CYCLIC ELECTRON TRANSPORT (1)
CYTOCHROME C OXIDASE (1)
D-ONONITOL (1)
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Elsevier (51)
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ACS (4)
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FEBS Letters (16)
BBA - Bioenergetics (12)
Photosynthesis Research (9)
Biochemistry (4)
Journal of Plant Physiology (4)
Biochemical and Biophysical Research Communications (3)
Plant, Cell & Environment (3)
Plant Molecular Biology (3)
BBA - Biomembranes (2)
Biochimica et Biophysica Acta (BBA)/Lipids and Lipid Metabolism (2)
Molecular Breeding (2)
Trends in Plant Science (2)
Applied Microbiology and Biotechnology (1)
Archives of Microbiology (1)
BBA - Molecular and Cell Biology of Lipids (1)
Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids (1)
Chemistry and Physics of Lipids (1)
Current Opinion in Microbiology (1)
Current Opinion in Plant Biology (1)
Extremophiles (1)
FEMS Microbiology Letters (1)
Physiologia Plantarum (1)
Plant Cell Reports (1)
Plant Science (1)
Plasmid (1)
Progress in Lipid Research (1)
Structure (1)
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INFONA - science communication portal

Search results for: Norio Murata

High myristic acid content in the cyanobacterium Cyanothece sp. PCC 8801 results from substrate specificity of lysophosphatidic acid acyltransferase

ATP is a driving force in the repair of photosystem II during photoinhibition

Membrane Lipids in Cyanobacteria

Regulatory Roles in Photosynthesis of Unsaturated Fatty Acids in Membrane Lipids

Sensors of abiotic stress in Synechocystis

Lipids in Photosynthesis: An Overview

Lipids in Thylakoid Membranes and Photosynthetic Cells

Sensors of abiotic stress in Synechocystis

Sensors and Signal Transducers of Environmental Stress in Cyanobacteria

Genetic Engineering of the Unsaturation of Membrane Glycerolipid: Effects on the Ability of the Photosynthetic Machinery to Tolerate Temperature Stress

Lipids in Photosynthesis

Bond properties of silane modified optical adhesives for silicon photonics

Efficient production of lycopene in Saccharomyces cerevisiae by expression of synthetic crt genes from a plasmid harboring the ADH2 promoter

Revised scheme for the mechanism of photoinhibition and its application to enhance the abiotic stress tolerance of the photosynthetic machinery

Prasanna K. Mohanty (1934–2013): a great photosynthetiker and a wonderful human being who touched the hearts of many

The mechanism of photoinhibition in vivo: Re-evaluation of the roles of catalase, α-tocopherol, non-photochemical quenching, and electron transport

Glycinebetaine enhances the tolerance of tomato plants to high temperature during germination of seeds and growth of seedlings

Transformation of tomato with a bacterial codA gene enhances tolerance to salt and water stresses

Protein synthesis is the primary target of reactive oxygen species in the photoinhibition of photosystem II

Protection by α-tocopherol of the repair of photosystem II during photoinhibition in Synechocystis sp. PCC 6803

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