A network perspective on nitrogen metabolism from model to crop plants using integrated 'omics' approaches.

abstract：:Producing more food per unit of water has never been as important as it is at present, and the demand for water by economic sectors other than agriculture will necessarily put a great deal of pressure on a dwindling resource, leading to a call for increases in the productivity of water in agriculture. This topic has b...

journal_title：Journal of experimental botany

authors： Vadez V,Kholova J,Medina S,Kakkera A,Anderberg H

更新日期：2014-11-01 00:00:00

abstract：:Although plants are photoautotrophic organisms, they are composed of many heterotrophic tissue systems that must import sugars and amino acids in a process known as assimilate partitioning. While the general features of assimilate partitioning were well described by the early 1980s, little was known about the various ...

journal_title：Journal of experimental botany

authors： Bush DR,Chiou TJ,Chen L

更新日期：1996-08-01 00:00:00

abstract：:The harpin protein Hpa1 has multiple beneficial effects in plants, promoting plant growth and development, increasing crop yield, and inducing resistance to pathogens and insect pests. For these effects, the 10-40 residue fragment (Hpa1₁₀₋₄₂) isolated from the Hpa1 sequence is 1.3- to 7.5-fold more effective than the ...

journal_title：Journal of experimental botany

authors： Fu M,Xu M,Zhou T,Wang D,Tian S,Han L,Dong H,Zhang C

更新日期：2014-04-01 00:00:00

abstract：:Iron is an essential element for most organisms. As an indispensable co-factor of many enzymes, iron is involved in various crucial metabolic processes, which are required for the survival of plants and pathogens. Conversely, excessive iron produces highly active reactive oxygen species (ROS) that is toxic to the cell...

journal_title：Journal of experimental botany

authors： Liu Y,Kong D,Wu HL,Ling HQ

更新日期：2020-11-08 00:00:00

abstract：:(1,3;1,4)-β-D-glucans (mixed-linkage glucans) are found in tissues of members of the Poaceae (grasses), and are particularly high in barley (Hordeum vulgare) grains. The present study describes the isolation of three independent (1,3;1,4)-β-D-glucanless (betaglucanless; bgl) mutants of barley which completely lack (1,...

journal_title：Journal of experimental botany

authors： Taketa S,Yuo T,Tonooka T,Tsumuraya Y,Inagaki Y,Haruyama N,Larroque O,Jobling SA

更新日期：2012-01-01 00:00:00

abstract：:Chlorophyll (Chl) b is a ubiquitous accessory pigment in land plants, green algae, and prochlorophytes. This pigment is synthesized from Chl a by chlorophyllide a oxygenase and plays a key role in adaptation to various environments. This study characterizes a rice mutant, pale green leaf (pgl), and isolates the gene P...

journal_title：Journal of experimental botany

authors： Yang Y,Xu J,Huang L,Leng Y,Dai L,Rao Y,Chen L,Wang Y,Tu Z,Hu J,Ren D,Zhang G,Zhu L,Guo L,Qian Q,Zeng D

更新日期：2016-03-01 00:00:00

abstract：:Site-directed mutations have been generated in the pore and voltage sensor regions of the inwardly rectifying potassium channels KAT1 and KST1. The properties of mutant channels have been analysed in Xenopus oocytes, and give insights into the structure-function relations of these channels. ...

journal_title：Journal of experimental botany

authors： Hoth S,Dreyer I,Hedrich R

更新日期：1997-03-01 00:00:00

abstract：:Aluminium (Al)-activated citrate secretion plays an important role in Al resistance in a number of plant species, such as rice bean (Vigna umbellata). This study further characterized the regulation of VuMATE1, an aluminium-activated citrate transporter. Al stress induced VuMATE1 expression, followed by the secretion ...

journal_title：Journal of experimental botany

authors： Liu MY,Chen WW,Xu JM,Fan W,Yang JL,Zheng SJ

更新日期：2013-04-01 00:00:00

abstract：:Nickel is an economically important metal and phytotechnologies are being developed to limit the impact of nickel mining on the environment. More than 300 plant species are known to hyperaccumulate nickel. However, our knowledge of the mechanisms involved in nickel accumulation in plants is very limited because it has...

journal_title：Journal of experimental botany

authors： Merlot S,Hannibal L,Martins S,Martinelli L,Amir H,Lebrun M,Thomine S

更新日期：2014-04-01 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：:The timing of seed germination is crucial for seed plants and is coordinated by internal and external cues, reflecting adaptations to different habitats. Physiological and molecular studies with lettuce and Arabidopsis thaliana have documented a strict requirement for light to initiate germination and identified many ...

journal_title：Journal of experimental botany

authors： Mérai Z,Graeber K,Wilhelmsson P,Ullrich KK,Arshad W,Grosche C,Tarkowská D,Turečková V,Strnad M,Rensing SA,Leubner-Metzger G,Mittelsten Scheid O

更新日期：2019-06-28 00:00:00

abstract：:Root proliferation as a response to exploit zones of nutrient enrichment in soil has been demonstrated for a wide range of plant species. However, the effectiveness of this as a strategy to acquire nutrients is also dependent on interactions with the soil microbial community. Specifically, C-flow from roots modifies m...

journal_title：Journal of experimental botany

authors： Paterson E,Sim A,Standing D,Dorward M,McDonald AJ

更新日期：2006-01-01 00:00:00

abstract：:We initially observed that Brassica rapa cultivars containing the Turnip mosaic virus (TuMV) resistance gene, Rnt1-1, accumulated a high level of endogenous ascorbic acid (AS) and dehydroascobic acid (DHA) when infected with TuMV. We here hypothesized a possible contribution of an elevated level of AS+DHA (TAA) to the...

journal_title：Journal of experimental botany

authors： Fujiwara A,Togawa S,Hikawa T,Matsuura H,Masuta C,Inukai T

更新日期：2016-07-01 00:00:00

abstract：:Chloroplasts and mitochondria are indispensable for plant development. They not only provide energy and carbon sources to cells, but also have evolved to become major players in a variety of processes such as amino acid metabolism, hormone biosynthesis and cellular signalling. As semi-autonomous organelles, they conta...

journal_title：Journal of experimental botany

authors： Van Dingenen J,Blomme J,Gonzalez N,Inzé D

更新日期：2016-12-01 00:00:00

abstract：:The frost hardiness of many plants such as chickpea can be increased by exposure to low non-freezing temperatures and/or the application of abscisic acid (ABA), a process known as frost acclimation. Experiments were conducted to study the response over a 14 d period of enriched plasma membrane fractions isolated from ...

journal_title：Journal of experimental botany

authors： Bakht J,Bano A,Dominy P

更新日期：2006-01-01 00:00:00

abstract：:The transcriptomes of senescing flag leaves collected from barley field plots with standard or high nitrogen supply were compared to identify genes specifically associated with nitrogen remobilization during leaf senescence under agronomically relevant conditions. In flag leaves collected in field plots with high nitr...

journal_title：Journal of experimental botany

authors： Hollmann J,Gregersen PL,Krupinska K

更新日期：2014-07-01 00:00:00

abstract：:Plant mitochondrial genes contain cis- and trans-group II introns that must be spliced before translation. The mechanism by which these introns are spliced is not well understood. Several families of proteins have been implicated in the intron splicing, of which the pentatricopeptide repeat (PPR) proteins are proposed...

journal_title：Journal of experimental botany

authors： Sun F,Xiu Z,Jiang R,Liu Y,Zhang X,Yang YZ,Li X,Zhang X,Wang Y,Tan BC

更新日期：2019-02-05 00:00:00

abstract：:In maize, water stress at flowering causes loss of kernel set and productivity. While changes in the levels of sugars and abscisic acid (ABA) are thought to play a role in this stress response, the mechanistic basis and genes involved are not known. A candidate gene approach was used with association mapping to identi...

journal_title：Journal of experimental botany

authors： Setter TL,Yan J,Warburton M,Ribaut JM,Xu Y,Sawkins M,Buckler ES,Zhang Z,Gore MA

更新日期：2011-01-01 00:00:00

abstract：:Despite numerous reports implicating salicylic acid (SA) in plant salinity responses, the specific ionic mechanisms of SA-mediated adaptation to salt stress remain elusive. To address this issue, a non-invasive microelectrode ion flux estimation technique was used to study kinetics of NaCl-induced net ion fluxes in Ar...

journal_title：Journal of experimental botany

authors： Jayakannan M,Bose J,Babourina O,Rengel Z,Shabala S

更新日期：2013-05-01 00:00:00

abstract：:Resurrection plants are vascular species able to sustain extreme desiccation in their vegetative tissues. Despite its potential interest, the role of leaf anatomy in CO2 diffusion and photosynthesis under non-stressed conditions has not been explored in these species. Net CO2 assimilation (An) and its underlying diffu...

journal_title：Journal of experimental botany

authors： Nadal M,Perera-Castro AV,Gulías J,Farrant JM,Flexas J

更新日期：2021-01-23 00:00:00

abstract：:It has been hypothesized that the substantial reductions in xylemic water flow occurring at veraison are due to physical disruption (breaking) of the xylem as a result of renewed berry growth. In a companion paper, evidence was presented that the vast majority of xylem tracheary elements remained intact despite the gr...

journal_title：Journal of experimental botany

authors： Chatelet DS,Rost TL,Matthews MA,Shackel KA

更新日期：2008-01-01 00:00:00

abstract：:Artemisinin is a sesquiterpene lactone produced by the Chinese traditional herb Artemisia annua and is used for the treatment of malaria. It is known that salicylic acid (SA) can enhance artemisinin content but the mechanism by which it does so is not known. In this study, we systematically investigated a basic leucin...

journal_title：Journal of experimental botany

authors： Lv Z,Guo Z,Zhang L,Zhang F,Jiang W,Shen Q,Fu X,Yan T,Shi P,Hao X,Ma Y,Chen M,Li L,Zhang L,Chen W,Tang K

更新日期：2019-08-07 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：:A cDNA clone was selected as a candidate for the catalytic subunit of phospho-pyruvate dehydrogenase phosphatase (PDP) by screening a Zea mays expressed sequence tag database with the bovine PDP deduced amino acid sequence. Both strands of the cDNA were completely sequenced. The maize clone contains an open reading fr...

journal_title：Journal of experimental botany

authors： Broz AK,Thelen JJ,Muszynski MG,Miernyk JA,Randall DD

更新日期：2001-08-01 00:00:00

abstract：:SPICK2, a homologue of the weakly-inward-rectifying Shaker-like Arabidopsis K channel, AKT2, is a candidate K+-influx channel participating in light- and clock-regulated leaf movements of the legume, Samanea saman. Light and the biological clock regulate the in situ K+-influx channel activity differentially in extenso...

journal_title：Journal of experimental botany

authors： Yu L,Becker D,Levi H,Moshelion M,Hedrich R,Lotan I,Moran A,Pick U,Naveh L,Libal Y,Moran N

更新日期：2006-01-01 00:00:00

abstract：:Ribulose 1,5-bisphosphate carboxylase/oxygenase (Rubisco) activation decreases under moderate heat stress. This decrease is caused by an impairment of activase function, which is exacerbated by faster rates of Rubisco deactivation at elevated temperatures. To determine if stromal oxidation causes inhibition of activas...

journal_title：Journal of experimental botany

authors： Salvucci ME,DeRidder BP,Portis AR Jr

更新日期：2006-01-01 00:00:00

abstract：:One of the earliest symptoms of boron (B) deficiency is the inhibition of root elongation which can reasonably be attributed to the damaging effects of B deprivation on cell wall integrity. It is shown here that exposure of wild-type Arabidopsis thaliana seedlings to B deficiency for 4h led to a drastic inhibition of ...

journal_title：Journal of experimental botany

authors： Camacho-Cristóbal JJ,Martín-Rejano EM,Herrera-Rodríguez MB,Navarro-Gochicoa MT,Rexach J,González-Fontes A

更新日期：2015-07-01 00:00:00

abstract：:Cytoplasmic male sterile (CMS) rice has been widely used for hybrid rice seed production in China. However, CMS rice suffers from undesirable flowering habits including scattered floret opening time (FOT), which causes different FOTs among parental rice plants and greatly reduces hybrid rice seed production. Little is...

journal_title：Journal of experimental botany

authors： Liu L,Zou Z,Qian K,Xia C,He Y,Zeng H,Zhou X,Riemann M,Yin C

更新日期：2017-07-20 00:00:00

abstract：:Small heat shock proteins are a diverse, ancient, and important family of proteins. All organisms possess small heat shock proteins (sHSPs), indicating that these proteins evolved very early in the history of life prior to the divergence of the three domains of life (Archaea, Bacteria, and Eukarya). Comparing the stru...

journal_title：Journal of experimental botany

authors： Waters ER

更新日期：2013-01-01 00:00:00

abstract：:Examination of root tips from cucumber (Cucumis sativus L.) seedlings grown at 8 degrees C for varying periods ranging from 15 min to 96 h, showed marked changes in the ultrastructure of cortical cells within only 15 min of exposure. Greater parts of the cortex were affected with longer periods of exposure, but the se...

journal_title：Journal of experimental botany

authors： Lee SH,Singh AP,Chung GC,Kim YS,Kong IB

更新日期：2002-11-01 00:00:00