Can prolonged exposure to low VPD disturb the ABA signalling in stomatal guard cells?

abstract：:Soil fertility provides the foundation for nutritious food production and resilient and sustainable livelihoods. A comprehensive survey and summit meeting were conducted with the aims of understanding barriers to enhancing soil fertility in sub-Saharan Africa and providing evidence-based recommendations. The focus reg...

journal_title：Journal of experimental botany

authors： Stewart ZP,Pierzynski GM,Middendorf BJ,Prasad PVV

更新日期：2020-01-07 00:00:00

abstract：:Recovery of photosynthesis in rehydrating desiccated leaves of the poikilochlorophyllous desiccation-tolerant plant Xerophyta scabrida was investigated. Detached leaves were remoistened under 12 h light/dark cycles for 96 h. Water, chlorophyll (Chl), and protein contents, Chl fluorescence, photosynthesis-CO(2) concent...

journal_title：Journal of experimental botany

authors： Pérez P,Rabnecz G,Laufer Z,Gutiérrez D,Tuba Z,Martínez-Carrasco R

更新日期：2011-01-01 00:00:00

abstract：:Our understanding of within-species annual plant adaptation to rainfall gradients is fragmented. Broad-scale ecological applications of Grime's C-S-R triangle are often superficial, while detailed drought physiology tends to be narrow, focusing on elite cultivars. The former lack the detail to explain how plants respo...

journal_title：Journal of experimental botany

authors： Berger JD,Ludwig C

更新日期：2014-11-01 00:00:00

abstract：:The present study assesses light-induced variations in phenolic compounds in leaves of saplings of two co-occurring temperate species (Acer platanoides L., and Fraxinus excelsior L.) along a light gradient using a new non-invasive optical method (Dualex). The Dualex-derived UV absorbance of leaf epidermis (the sum of ...

journal_title：Journal of experimental botany

authors： Barthod S,Cerovic Z,Epron D

更新日期：2007-01-01 00:00:00

abstract：:Plants of Lolium perenne L. were grown in sterile solution culture supplied with 2 mol m(-3) nitrogen as either nitrate or ammonium. Glutamine at 5 mol m(-3) was added to the nutrient solution of half the plants for 24 h. Root nitrate influx (at external nitrate concentrations 0-2000 mmol m(-3)) and amino acid concent...

journal_title：Journal of experimental botany

authors： Thornton B

更新日期：2004-03-01 00:00:00

abstract：:The effects of increasing light and of a heterologous bHLH transcription factor on the accumulation of condensed tannins (CT) were investigated in leaves of Lotus corniculatus, a model legume species which accumulates these secondary metabolites in leaves as well as reproductive tissues. Light and expression of the tr...

journal_title：Journal of experimental botany

authors： Paolocci F,Bovone T,Tosti N,Arcioni S,Damiani F

更新日期：2005-04-01 00:00:00

abstract：:The role of endogenous salicylic acid (SA) signalling cascades in plant responses to salt and oxidative stresses is unclear. Arabidopsis SA signalling mutants, namely npr1-5 (non-expresser of pathogenesis related gene1), which lacks NPR1-dependent SA signalling, and nudt7 (nudix hydrolase7), which has both constitutiv...

journal_title：Journal of experimental botany

authors： Jayakannan M,Bose J,Babourina O,Shabala S,Massart A,Poschenrieder C,Rengel Z

更新日期：2015-04-01 00:00:00

abstract：:By using a fine oil-filled glass microcapillary mounted on a micromanipulator, the solutes of individual plant cells can be sampled. These samples can then be analysed using a range of physical and chemical methods. Hydrostatic pressure (cell pressure probe), osmotic pressure (picolitre osmometer), organic solutes (en...

journal_title：Journal of experimental botany

authors： Tomos AD,Sharrock RA

更新日期：2001-04-01 00:00:00

abstract：:Phosphorus (P) deficiency and aluminum (Al) toxicity often coexist and limit plant growth on acid soils. It has been well documented that both P deficiency and Al toxicity alter root growth, including inhibition of primary roots and promotion of lateral roots. This suggests that plants adapt to both stresses through a...

journal_title：Journal of experimental botany

authors： Sun L,Tian J,Zhang H,Liao H

更新日期：2016-06-01 00:00:00

abstract：:In order to investigate the genetic bases of the physiological syndrome mealiness that causes abnormal fruit softening and juice loss in apples, an integrative approach was devised, consisting of sensory, instrumental, biochemical, genetic, and genomic methods. High levels of activity of α-L-arabinofuranosidase (α-AFa...

journal_title：Journal of experimental botany

authors： Nobile PM,Wattebled F,Quecini V,Girardi CL,Lormeau M,Laurens F

更新日期：2011-08-01 00:00:00

abstract：:Rapid alkalinization factor (RALF) is a peptide signal that plays a basic role in cell biology and most likely regulates cell expansion. In this study, transgenic Arabidopsis thaliana lines with high and low levels of AtRALF1 transcripts were used to investigate this peptide's mechanism of action. Overexpression of th...

journal_title：Journal of experimental botany

authors： Bergonci T,Ribeiro B,Ceciliato PH,Guerrero-Abad JC,Silva-Filho MC,Moura DS

更新日期：2014-05-01 00:00:00

abstract：:During the summer, evaporative demand at midday often exceeds the transport capacity of most desert plants. However, date palms maintain their ecological dominance with sustained and uniquely high rates of transpiration. This high rate of flow cannot be attributed to soil water supply alone. In order to quantify intra...

journal_title：Journal of experimental botany

authors： Sperling O,Shapira O,Schwartz A,Lazarovitch N

更新日期：2015-01-01 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：:In spite of the importance of respiration in forest carbon budgets, the mechanisms by which physiological factors control stem respiration are unclear. An experiment was set up in a Eucalyptus globulus plantation in central Portugal with monoculture stands of 5-year-old and 10-year-old trees. CO(2) efflux from stems u...

journal_title：Journal of experimental botany

authors： Cerasoli S,McGuire MA,Faria J,Mourato M,Schmidt M,Pereira JS,Chaves MM,Teskey RO

更新日期：2009-01-01 00:00:00

abstract：:Sexual reproduction in higher plants uses pollination, involving interactions between pollen and pistil. Self-incompatibility (SI) prevents self-fertilization, providing an important mechanism to promote outbreeding. SI is controlled by the S-locus; discrimination occurs between incompatible pollen, which is rejected,...

journal_title：Journal of experimental botany

authors： Bosch M,Franklin-Tong VE

更新日期：2008-01-01 00:00:00

abstract：:The soil-borne fungal pathogen Verticillium dahliae infects a wide range of dicotyledonous plants including cotton, tobacco, and Arabidopsis. Among the effector proteins secreted by V. dahliae, the 16 kDa PevD1 induces a hypersensitive response in tobacco. Here we report the high-resolution structure of PevD1 with fol...

journal_title：Journal of experimental botany

authors： Zhou R,Zhu T,Han L,Liu M,Xu M,Liu Y,Han D,Qiu D,Gong Q,Liu X

更新日期：2017-06-15 00:00:00

abstract：:Polyacetylene (PA) compounds from Bidens pilosa are known to have several pharmacological activities. In this study, we aimed to elucidate the major genes encoding enzymes involved in the biosynthesis of PA in B. pilosa. Seven PA metabolites present in B. pilosa leaves were found to be induced by methyl jasmonate (MeJ...

journal_title：Journal of experimental botany

authors： Chung HH,Ting HM,Wang WH,Chao YT,Hsieh CH,Apaya MK,Sung YC,Lin SS,Hwu FY,Shyur LF

更新日期：2020-10-16 00:00:00

abstract：:The volatile compounds released by orthodox (desiccation-tolerant) seeds during ageing can be analysed using gas chromatography-mass spectrometry (GC-MS). Comparison of three legume species (Pisum sativum, Lathyrus pratensis, and Cytisus scoparius) during artificial ageing at 60% relative humidity and 50 °C revealed v...

journal_title：Journal of experimental botany

authors： Colville L,Bradley EL,Lloyd AS,Pritchard HW,Castle L,Kranner I

更新日期：2012-11-01 00:00:00

abstract：:In C(3) plants, diffusion of CO(2) into leaves is restricted by stomata and subsequently by the intercellular airspaces and liquid phase into chloroplasts. While considerable information exists on the effect of environmental conditions on stomatal conductance (g(s)), little is known on whether the mesophyll conductanc...

journal_title：Journal of experimental botany

authors： Tazoe Y,von Caemmerer S,Badger MR,Evans JR

更新日期：2009-01-01 00:00:00

abstract：:Whole apple fruit (Malus domestica Borkh.) widely differing in pigment content and composition has been examined by recording its chlorophyll fluorescence excitation and diffuse reflection spectra in the visible and near UV regions. Spectral bands sensitive to the pigment concentration have been identified, and linear...

journal_title：Journal of experimental botany

authors： Merzlyak MN,Melø TB,Naqvi KR

更新日期：2008-01-01 00:00:00

abstract：:The thiocarbamates, such as pebulate (S-propyl butyl (ethyl) thiocarbamate) are a well-established class of herbicides. They inhibit fatty acid elongation, which is necessary for the biosynthesis of constituents of surface waxes and suberin and this has been proposed to be important for their toxicity. In this study l...

journal_title：Journal of experimental botany

authors： Baldwin A,Rogers HJ,Francis D,Harwood JL

更新日期：2003-04-01 00:00:00

abstract：:Small non-coding RNAs are key post-transcriptional and transcriptional regulators of plant gene expression in angiosperm sporophytes. In recent years, gametophytic small RNAs have also been investigated, predominantly in Arabidopsis male gametophytes, revealing features in common with the sporophyte as well as some su...

journal_title：Journal of experimental botany

authors： Le Trionnaire G,Grant-Downton RT,Kourmpetli S,Dickinson HG,Twell D

更新日期：2011-03-01 00:00:00

abstract：:Leghemoglobins transport and deliver O2 to the symbiosomes inside legume nodules and are essential for nitrogen fixation. However, the roles of other hemoglobins (Hbs) in the rhizobia-legume symbiosis are unclear. Several Lotus japonicus mutants affecting LjGlb1-1, a non-symbiotic class 1 Hb, have been used to study t...

journal_title：Journal of experimental botany

authors： Fukudome M,Calvo-Begueria L,Kado T,Osuki K,Rubio MC,Murakami E,Nagata M,Kucho K,Sandal N,Stougaard J,Becana M,Uchiumi T

更新日期：2016-09-01 00:00:00

abstract：:To understand the mechanisms of ion homeostasis in salt-tolerant and salt-sensitive plants, cDNAs for a high-affinity K(+) transporter PhaHKT1 were isolated from salt-sensitive (Utsunomiya) and salt-tolerant (Nanpi, Enchi) reed plants. A cDNA of Utsunomiya (PhaHKT1-u) contained two insertions in the region correspondi...

journal_title：Journal of experimental botany

authors： Takahashi R,Liu S,Takano T

更新日期：2007-01-01 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：:Small signalling peptides have emerged as important cell to cell messengers in plant development and stress responses. However, only a few of the predicted peptides have been functionally characterized. Here, we present functional characterization of two members of the IDA-LIKE (IDL) peptide family in Arabidopsis thal...

journal_title：Journal of experimental botany

authors： Vie AK,Najafi J,Winge P,Cattan E,Wrzaczek M,Kangasjärvi J,Miller G,Brembu T,Bones AM

更新日期：2017-06-15 00:00:00

abstract：:The majority of proteins in eukaryotic cells are modified according to highly regulated mechanisms to fulfill specific functions and to achieve localization, stability, and transport. Protein ubiquitination is one of the major post-translational modifications occurring in eukaryotic cells. To obtain the proteomic data...

journal_title：Journal of experimental botany

authors： Igawa T,Fujiwara M,Takahashi H,Sawasaki T,Endo Y,Seki M,Shinozaki K,Fukao Y,Yanagawa Y

更新日期：2009-01-01 00:00:00

abstract：:Receptor kinases play important roles in plant growth and development, but only few of them have been functionally characterized in depth. Over the past decade CRINKLY 4 (CR4)-related research has peaked as a result of a newly discovered role of ARABIDOPSIS CR4 (ACR4) in the root. Here, we comprehensively review the a...

journal_title：Journal of experimental botany

authors： Czyzewicz N,Nikonorova N,Meyer MR,Sandal P,Shah S,Vu LD,Gevaert K,Rao AG,De Smet I

更新日期：2016-08-01 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：:Plants have evolved highly complex sensory mechanisms to monitor their surroundings and adapt their growth and development to the prevailing environmental conditions. The integration of information from multiple environmental cues enables the co-ordination of development with favourable seasonal conditions and, ultima...

journal_title：Journal of experimental botany

authors： Franklin KA,Whitelam GC

更新日期：2004-01-01 00:00:00