Modulation of nitrate reductase: some new insights, an unusual case and a potentially important side reaction.

abstract：:This paper gives a summary of a project to characterize a tobacco aquaporin. The cDNA and gene, including the 5' upstream region, for the tobacco aquaporin NtAQP1 has been isolated and the encoded protein characterized. The significance of promoter regions for an abscisic acid- and gibberellic acid-induced gene expres...

journal_title：Journal of experimental botany

authors： Siefritz F,Biela A,Eckert M,Otto B,Uehlein N,Kaldenhoff R

更新日期：2001-10-01 00:00:00

abstract：:Individuals, families, networks, and botanic gardens have made records of flowering times of a wide range of plant species over many years. These data can highlight year to year changes in seasonal events (phenology) and those datasets covering long periods draw interest for their perspective on plant responses to cli...

journal_title：Journal of experimental botany

authors： Tooke F,Battey NH

更新日期：2010-06-01 00:00:00

abstract：:In Arabidopsis thaliana, Argonaute1 (AGO1) interacts with miR168 to modulate the small RNA regulatory pathway. However, the underlying mechanism of regulation and relationship between AGO1 and miR168 is poorly understood in the cash crop Solanum lycopersicum (tomato). We previously found that SlAGO1A and SlAGO1B were ...

journal_title：Journal of experimental botany

authors： Xian Z,Huang W,Yang Y,Tang N,Zhang C,Ren M,Li Z

更新日期：2014-12-01 00:00:00

abstract：:Xylans are the most abundant non-cellulosic polysaccharide found in plant cell walls. A diverse range of xylan structures influence tissue function during growth and development. Despite the abundance of xylans in nature, details of the genes and biochemical pathways controlling their biosynthesis are lacking. In this...

journal_title：Journal of experimental botany

authors： Phan JL,Tucker MR,Khor SF,Shirley N,Lahnstein J,Beahan C,Bacic A,Burton RA

更新日期：2016-12-01 00:00:00

abstract：:Dormancy of hazel (Corylus avellana L.) seeds is alleviated by a chilling treatment during which cytological, hormonal, and biochemical changes occur. Phytic acid and phosphate mobilization have been examined during this treatment. Phytic acid accounted for 0.7% and up to 3.2% of dry weight in axiferous and cotyledona...

journal_title：Journal of experimental botany

authors： Andriotis VM,Smith SB,Ross JD

更新日期：2005-02-01 00:00:00

abstract：:An Arabidopsis thaliana cDNA (At-74) has been isolated that encoded an uncharacterized protein showing homology with members of the d-PGMase superfamily: cofactor-dependent phosphoglycerate mutases (d-PGM-ases) and the phosphatase domain of 6-phosphofructo-2-kinase/fructose-2,6-bisphosphatases (6PF2Kase/F2, 6Pase). Pr...

journal_title：Journal of experimental botany

authors： Bourgis F,Botha FC,Mani S,Hiten FN,Rigden DJ,Verbruggen N

更新日期：2005-04-01 00:00:00

abstract：:Developing yellow-seeded Brassica napus (rapeseed) with improved qualities is a major breeding goal. The intermediate and final metabolites of the phenylpropanoid and flavonoid pathways affect not only oil quality but also seed coat colour of B. napus. Here, the accumulation of phenolic compounds was analysed in the s...

journal_title：Journal of experimental botany

authors： Qu C,Fu F,Lu K,Zhang K,Wang R,Xu X,Wang M,Lu J,Wan H,Zhanglin T,Li J

更新日期：2013-07-01 00:00:00

abstract：:Primary adhesion of zoospores of the green macroalga Enteromorpha to substrata involves a massive release of adhesive glycoproteins from Golgi-derived, membrane-bounded vesicles in the anterior region of the spore, followed by rapid curing. This process is sensitive to low concentrations (5-10 microg x ml(-1)) of the ...

journal_title：Journal of experimental botany

authors： Callow ME,Crawford S,Wetherbee R,Taylor K,Finlay JA,Callow JA

更新日期：2001-07-01 00:00:00

abstract：:This perspective summarizes the presentations and discussions at the ' International Symposium on Synthetic Biology in Photosynthesis Research', which was held in Shanghai in 2018. Leveraging the current advanced understanding of photosynthetic systems, the symposium brain-stormed about the redesign and engineering of...

journal_title：Journal of experimental botany

authors： Zhu XG,Ort DR,Parry MAJ,von Caemmerer S

更新日期：2020-04-06 00:00:00

abstract：:Abscission is a developmental process with important implications for agricultural practices. Ethylene has long been considered as a key regulator of the abscission process. The existence of an ethylene-independent abscission pathway, controlled by the complex of INFLORESCENCE DEFICIENT IN ABSCISSION (IDA) peptide and...

journal_title：Journal of experimental botany

authors： Meir S,Philosoph-Hadas S,Riov J,Tucker ML,Patterson SE,Roberts JA

更新日期：2019-03-11 00:00:00

abstract：:LcbHLH92, a pleiotropic gene from sheepgrass, negatively regulates anthocyanins/proanthocyandins and reduces seed dormancy in transgenic Arabidopsis. ...

journal_title：Journal of experimental botany

authors： Zhao P,Li X,Jia J,Yuan G,Chen S,Qi D,Cheng L,Liu G

更新日期：2019-01-01 00:00:00

abstract：:Grain development and its evolution in grasses remains poorly understood, despite cereals being our most important source of food. The grain, for which many grass species have been domesticated, is a single-seeded fruit with prominent and persistent endosperm. Brachypodium distachyon, a small wild grass, is being posi...

journal_title：Journal of experimental botany

authors： Opanowicz M,Hands P,Betts D,Parker ML,Toole GA,Mills EN,Doonan JH,Drea S

更新日期：2011-01-01 00:00:00

abstract：:The P1B ATPase heavy metal ATPase 4 (HMA4) is responsible for zinc and cadmium translocation from roots to shoots in Arabidopsis thaliana. It couples ATP hydrolysis to cytosolic domain movements, enabling metal transport across the membrane. The detailed mechanism of metal permeation by HMA4 through the membrane remai...

journal_title：Journal of experimental botany

authors： Lekeux G,Crowet JM,Nouet C,Joris M,Jadoul A,Bosman B,Carnol M,Motte P,Lins L,Galleni M,Hanikenne M

更新日期：2019-01-01 00:00:00

abstract：:Radial oxygen loss (ROL) and root porosity of rice (Oryza sativa L.) plants grown in either aerated or deoxygenated (stagnant) conditions were combined for the first time with extensive histochemical and biochemical studies of the apoplastic barriers in the roots' peripheral cell layers. Growth in stagnant solution si...

journal_title：Journal of experimental botany

authors： Kotula L,Ranathunge K,Schreiber L,Steudle E

更新日期：2009-01-01 00:00:00

abstract：:The geometry of leaf margins is an important shape characteristic that distinguishes among different leaf phenotypes. Current definitions of leaf shape are qualitative and do not allow quantification of differences in shape between phenotypes. This is especially true for leaves with some non-trivial three-dimensional ...

journal_title：Journal of experimental botany

authors： Armon S,Yanai O,Ori N,Sharon E

更新日期：2014-05-01 00:00:00

abstract：:Metabolic perturbations by a gain-of-function approach provide a means to alter steady states of metabolites and query network properties, while keeping enzyme complexes intact. A combination of genetic and targeted metabolomics approach was used to understand the network properties of phenylpropanoid secondary metabo...

journal_title：Journal of experimental botany

authors： Reuben S,Rai A,Pillai BV,Rodrigues A,Swarup S

更新日期：2013-11-01 00:00:00

abstract：:Cytokinins are plant hormones involved in regulation of diverse developmental and physiological processes in plants whose molecular mechanisms of action are being intensely researched. However, most rapid responses to cytokinin signals at the proteomic and phosphoproteomic levels are unknown. Early cytokinin responses...

journal_title：Journal of experimental botany

authors： Cerny M,Dycka F,Bobál'ová J,Brzobohaty B

更新日期：2011-01-01 00:00:00

abstract：:Plant responses to abiotic stresses are coordinated by arrays of growth and developmental processes. Indole-3-acetic acid (IAA) and abscisic acid (ABA) play critical roles in developmental programmes and environmental responses, respectively, through complex signalling and metabolism networks. However, crosstalk betwe...

journal_title：Journal of experimental botany

authors： Du H,Wu N,Fu J,Wang S,Li X,Xiao J,Xiong L

更新日期：2012-11-01 00:00:00

abstract：:The nature and effect of the stresses on root growth in crops subject to drying is reviewed. Drought is a complex stress, impacting on plant growth in a number of interacting ways. In response, there are a number of ways in which the growing plant is able to adapt to or alleviate these stresses. It is suggested that t...

journal_title：Journal of experimental botany

authors： Whitmore AP,Whalley WR

更新日期：2009-01-01 00:00:00

abstract：:The plant root system is important for the uptake of water and nutrients and the anchoring of plants in the soil. Lateral roots (LRs) contribute considerably to root system architecture. Their post-embryonic formation is regulated by hormones and environmental cues. The hormone cytokinin influences LR formation and gr...

journal_title：Journal of experimental botany

authors： Chang L,Ramireddy E,Schmülling T

更新日期：2013-11-01 00:00:00

abstract：:Oleuropein, the major secoiridoid compound in olive, is involved in a sophisticated two-component defence system comprising a β-glucosidase enzyme that activates oleuropein into a toxic glutaraldehyde-like structure. Although oleuropein deglycosylation studies have been monitored extensively, an oleuropein β-glucosida...

journal_title：Journal of experimental botany

authors： Koudounas K,Banilas G,Michaelidis C,Demoliou C,Rigas S,Hatzopoulos P

更新日期：2015-04-01 00:00:00

abstract：:Dihydroflavonol 4-reductase (DFR) is the first committed enzyme of the anthocyanin and condensed tannin pathways. Several DFR cDNAs have been cloned, and different specificities of DFR isozymes in the substrate hydroxylation patterns have been reported, but only fragmentary knowledge of DFR gene organization is availa...

journal_title：Journal of experimental botany

authors： Shimada N,Sasaki R,Sato S,Kaneko T,Tabata S,Aoki T,Ayabe S

更新日期：2005-09-01 00:00:00

abstract：:Cytokinin hormones are important regulators of development and environmental responses of plants that execute their action via the molecular machinery of signal perception and transduction. The limiting step of the whole process is the availability of the hormone in suitable concentrations in the right place and at th...

journal_title：Journal of experimental botany

authors： Frébort I,Kowalska M,Hluska T,Frébortová J,Galuszka P

更新日期：2011-05-01 00:00:00

abstract：:C4 photosynthesis is a complex specialization that enhances carbon gain in hot, often arid habitats where photorespiration rates can be high. Certain features unique to C4 photosynthesis may reduce the potential for phenotypic plasticity and photosynthetic acclimation to environmental change relative to what is possib...

journal_title：Journal of experimental botany

authors： Sage RF,McKown AD

更新日期：2006-01-01 00:00:00

abstract：:Enzymes that reduce the aldehyde chemical grouping (i.e. H-C=O) to its corresponding alcohol are probably crucial in maintaining plant health during stress. Succinic semialdehyde (SSA) is a mitochondrially-generated intermediate in the metabolism of gamma-aminobutyrate (GABA), which accumulates in response to a variet...

journal_title：Journal of experimental botany

authors： Allan WL,Simpson JP,Clark SM,Shelp BJ

更新日期：2008-01-01 00:00:00

abstract：:The presence of melatonin in plants is universal. Evidence has confirmed that a major portion of the melatonin is synthesized by plants themselves even though a homologue of the classic arylalkylamine N-acetyltransferase (AANAT) has not been identified as yet in plants. Thus, the serotonin N-acetylating enzyme in plan...

journal_title：Journal of experimental botany

authors： Tan DX,Hardeland R,Manchester LC,Korkmaz A,Ma S,Rosales-Corral S,Reiter RJ

更新日期：2012-01-01 00:00:00

abstract：:The brown planthopper (Nilaparvata lugens Stål, BPH) resistance gene BPH9 encodes an unusual coiled-coil (CC) nucleotide-binding leucine-rich repeat (LRR) protein with two NBS (Nuceotide binding site) domains. To understand how this CC-NBS-NBS-LRR protein regulates defense signaling and BPH resistance, we dissected ea...

journal_title：Journal of experimental botany

authors： Wang Z,Huang J,Nie L,Hu Y,Zhang N,Guo Q,Guo J,Du B,Zhu L,He G,Chen R

更新日期：2020-12-21 00:00:00

abstract：:Eutypa dieback is a vascular disease that may severely affect vineyards throughout the world. In the present work, microarrays were made in order (i) to improve our knowledge of grapevine (Vitis vinifera cv. Cabernet-Sauvignon) responses to Eutypa lata, the causal agent of Eutypa dieback; and (ii) to identify genes th...

journal_title：Journal of experimental botany

authors： Camps C,Kappel C,Lecomte P,Léon C,Gomès E,Coutos-Thévenot P,Delrot S

更新日期：2010-06-01 00:00:00

abstract：:Chloroplasts perform many essential metabolic functions and their proper development is critically important in embryogenesis. However, little is known about how chloroplasts function in embryogenesis and more relevant components need to be characterized. In this study, we show that Arabidopsis Ribonuclease J (RNase J...

journal_title：Journal of experimental botany

authors： Chen H,Zou W,Zhao J

更新日期：2015-04-01 00:00:00

abstract：:Ionic and osmotic relations in quinoa (Chenopodium quinoa Willd.) were studied by exposing plants to six salinity levels (0-500 mM NaCl range) for 70 d. Salt stress was administered either by pre-mixing of the calculated amount of NaCl with the potting mix before seeds were planted or by the gradual increase of NaCl l...

journal_title：Journal of experimental botany

authors： Hariadi Y,Marandon K,Tian Y,Jacobsen SE,Shabala S

更新日期：2011-01-01 00:00:00