Organization of pectic arabinan and galactan side chains in association with cellulose microfibrils in primary cell walls and related models envisaged.

abstract：:Fructans are water-soluble fructose oligomers and polymers that are based on sucrose, and have been implicated in protecting plants against water stress. Rice (Oryza sativa L.) is highly sensitive to chilling temperatures, and is not able to synthesize fructans. Two wheat fructan-synthesizing enzymes, sucrose:sucrose ...

journal_title：Journal of experimental botany

authors： Kawakami A,Sato Y,Yoshida M

更新日期：2008-01-01 00:00:00

abstract：:Two unlinked semi-dominant loci, A (NIC1) and B (NIC2), control nicotine and related alkaloid biosynthesis in Burley tobaccos. Mutations in either or both loci (nic1 and nic2) lead to low nicotine phenotypes with altered environmental stress responses. Here we show that the transcripts derived from the pathogenesis-re...

journal_title：Journal of experimental botany

authors： Ma H,Wang F,Wang W,Yin G,Zhang D,Ding Y,Timko MP,Zhang H

更新日期：2016-10-01 00:00:00

abstract：:MicroRNAs (miRNAs) are known to regulate expression of genes under stress. We report here the deep sequencing of small RNAs expressed during control, short and prolonged heat stress and recovery. Genome-wide identification of miRNAs in tolerant (Nagina 22) and susceptible (Vandana) rice cultivars was performed in 16 s...

journal_title：Journal of experimental botany

authors： Mangrauthia SK,Bhogireddy S,Agarwal S,Prasanth VV,Voleti SR,Neelamraju S,Subrahmanyam D

更新日期：2017-04-01 00:00:00

abstract：:The medicinally applied tropane alkaloids hyoscyamine and scopolamine are produced in Atropa belladonna L. and in a small number of other Solanaceae. Calystegines are nortropane alkaloids that derive from a branching point in the tropane alkaloid biosynthetic pathway. In A. belladonna root cultures, calystegine molar ...

journal_title：Journal of experimental botany

authors： Richter U,Rothe G,Fabian AK,Rahfeld B,Dräger B

更新日期：2005-02-01 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：:This work introduces a new experimental method for the comprehensive description of the physiological responses to light of photosynthetic organisms. It allows the integration in a single experiment of the main established manipulative chlorophyll fluorescence-based protocols. It enables the integrated characterizatio...

journal_title：Journal of experimental botany

authors： Serôdio J,Schmidt W,Frankenbach S

更新日期：2017-02-01 00:00:00

abstract：:The short-term effects of sodium azide (NaN(3)) on water flow in red-osier dogwood (Cornus stolonifera Michx.) seedlings were examined in excised roots at a constant pressure of 0.3 MPa. NaN(3) significantly decreased root water flow rates (Q(v)). It also induced a significant reduction in root respiration and reduced...

journal_title：Journal of experimental botany

authors： Kamaluddin M,Zwiazek JJ

更新日期：2001-04-01 00:00:00

abstract：:The development of angiosperm flowers is regulated by homeotic MIKC-type MADS-domain transcription factors that activate or repress target genes via the formation of DNA-bound, organ-specific tetrameric complexes. The protein-protein interaction (PPI) capabilities differ considerably between different MIKC-type protei...

journal_title：Journal of experimental botany

authors： Rümpler F,Theißen G,Melzer R

更新日期：2018-04-09 00:00:00

abstract：:Drought is a major abiotic stress that negatively influences crop yield. Breeding strategies for improved drought resistance require an improved knowledge of plant drought responses. We therefore applied drought to barley recombinant inbred lines and their parental genotypes shortly before tillering. A large-scale pro...

journal_title：Journal of experimental botany

authors： Rodziewicz P,Chmielewska K,Sawikowska A,Marczak Ł,Łuczak M,Bednarek P,Mikołajczak K,Ogrodowicz P,Kuczyńska A,Krajewski P,Stobiecki M

更新日期：2019-05-09 00:00:00

abstract：:Polyamines are considered to participate in various processes of plant development. In this study, the possible implication of putrescine catabolism by the copper-containing amine oxidases (CuAOs, EC 1.4.3.6) in the development of roots and hypocotyls was examined. For this purpose, two cDNA clones of Glycine max (L.)...

journal_title：Journal of experimental botany

authors： Delis C,Dimou M,Flemetakis E,Aivalakis G,Katinakis P

更新日期：2006-01-01 00:00:00

abstract：:Plants generate reactive oxygen species (ROS) as part of their metabolism and in response to various external stress factors, potentially causing significant damage to biomolecules and cell structures. During the course of evolution, plants have adapted to ROS toxicity, and use ROS as signalling messengers that activa...

journal_title：Journal of experimental botany

authors： Akter S,Huang J,Waszczak C,Jacques S,Gevaert K,Van Breusegem F,Messens J

更新日期：2015-05-01 00:00:00

abstract：:Although the mechanisms of nodule N(2) fixation in legumes are now well documented, some uncertainty remains on the metabolic consequences of water deficit. In most cases, little consideration is given to other organs and, therefore, the coordinated changes in metabolism in leaves, roots, and nodules are not well know...

journal_title：Journal of experimental botany

authors： Aranjuelo I,Tcherkez G,Molero G,Gilard F,Avice JC,Nogués S

更新日期：2013-02-01 00:00:00

abstract：:Modifications to the cell wall of developing and ripening tomato fruit are mediated by cell wall-degrading enzymes, including a beta-d-xylosidase or alpha-l-arabinofuranosidase, which participate in the breakdown of xylans and/or arabinoxylans. The activity of both enzymes was highest during early fruit growth, before...

journal_title：Journal of experimental botany

authors： Itai A,Ishihara K,Bewley JD

更新日期：2003-12-01 00:00:00

abstract：:Bulbil formation in Agave tequilana was analysed with the objective of understanding this phenomenon at the molecular and cellular levels. Bulbils formed 14-45 d after induction and were associated with rearrangements in tissue structure and accelerated cell multiplication. Changes at the cellular level during bulbil ...

journal_title：Journal of experimental botany

authors： Abraham-Juárez MJ,Martínez-Hernández A,Leyva-González MA,Herrera-Estrella L,Simpson J

更新日期：2010-09-01 00:00:00

abstract：:Plant growth research produces a catalogue of complex open questions. We argue that plant growth is a highly mechanical process, and that mathematics gives an underlying framework with which to probe its fundamental unrevealed mechanisms. This review serves to illustrate the biological insights afforded by mathematica...

journal_title：Journal of experimental botany

authors： Smithers ET,Luo J,Dyson RJ

更新日期：2019-07-23 00:00:00

abstract：:We explored the idea of whether electropotential waves (EPWs) primarily act as vehicles for systemic spread of Ca(2+) signals. EPW-associated Ca(2+) influx may trigger generation and amplification of countless long-distance signals along the phloem pathway given the fact that gating of Ca(2+)-permeable channels is a u...

journal_title：Journal of experimental botany

authors： van Bel AJ,Furch AC,Will T,Buxa SV,Musetti R,Hafke JB

更新日期：2014-04-01 00:00:00

abstract：:SNARE proteins are central elements of the machinery involved in membrane fusion of eukaryotic cells. In animals and plants, SNAREs have diversified to sustain a variety of specific functions. In animals, R-SNARE proteins called brevins have diversified; in contrast, in plants, the R-SNARE proteins named longins have ...

journal_title：Journal of experimental botany

authors： de Marcos Lousa C,Soubeyrand E,Bolognese P,Wattelet-Boyer V,Bouyssou G,Marais C,Boutté Y,Filippini F,Moreau P

更新日期：2016-04-01 00:00:00

abstract：:This study presents the characterization of the plasma membrane (PM) H+-ATPases in potato, focusing on their role in stolon and tuber development. Seven PM H+-ATPase genes were identified in the Solanum tuberosum genome, designated PHA1-PHA7. PHA genes show distinct expression patterns in different plant tissues and u...

journal_title：Journal of experimental botany

authors： Stritzler M,Muñiz García MN,Schlesinger M,Cortelezzi JI,Capiati DA

更新日期：2017-10-13 00:00:00

abstract：:ERECTA family genes encode leucine-rich repeat receptor-like kinases that control multiple aspects of plant development such as elongation of aboveground organs, leaf initiation, development of flowers, and epidermis differentiation. These receptors have also been implicated in responses to biotic and abiotic stress, ...

journal_title：Journal of experimental botany

authors： Villagarcia H,Morin AC,Shpak ED,Khodakovskaya MV

更新日期：2012-11-01 00:00:00

abstract：:Mitochondria from plants, yeast, and animals each contain at least one peroxiredoxin (Prx) that is involved in peroxide detoxification and redox signalling. The supramolecular dynamics of atypical type II Prx targeted to the mitochondrion was addressed in pea. Microcalorimetric (ITC) titrations identified an extremely...

journal_title：Journal of experimental botany

authors： Barranco-Medina S,Krell T,Bernier-Villamor L,Sevilla F,Lázaro JJ,Dietz KJ

更新日期：2008-01-01 00:00:00

abstract：:Phototropin1 (phot1) perceives low- to high-fluence blue light stimuli and mediates both the first and second positive phototropisms. High-fluence blue light is known to induce autophosphorylation of phot1, leading to the second positive phototropism. However, the phosphorylation status of phot1 by low-fluence blue li...

journal_title：Journal of experimental botany

authors： Suzuki H,Koshiba T,Fujita C,Yamauchi Y,Kimura T,Isobe T,Sakai T,Taoka M,Okamoto T

更新日期：2019-10-24 00:00:00

abstract：:The tetrapyrrole biosynthetic pathway provides the vital cofactors and pigments for photoautotrophic growth (chlorophyll), several essential redox reactions in electron transport chains (haem), N- and S-assimilation (sirohaem), and photomorphogenic processes (phytochromobilin). While the biochemistry of the pathway is...

journal_title：Journal of experimental botany

authors： Czarnecki O,Grimm B

更新日期：2012-02-01 00:00:00

abstract：:Reactive oxygen species (ROS) are plant metabolic and signaling molecules involved in responses to various external stresses, but the existence of ROS receptors and how plants respond to ROS remain largely unknown. Here we report that the plasma membrane-localized phospholipase D δ (PLDδ) protein is crucial for sensin...

journal_title：Journal of experimental botany

authors： Song P,Jia Q,Chen L,Jin X,Xiao X,Li L,Chen H,Qu Y,Su Y,Zhang W,Zhang Q

更新日期：2020-10-22 00:00:00

abstract：:Tomato is a model and economically important crop plant with little information available about gene expression in roots. Currently, there have only been a few studies that examine hormonal responses in tomato roots and none at a genome-wide level. This study examined the transcriptome atlas of tomato root regions (ro...

journal_title：Journal of experimental botany

authors： Gupta S,Shi X,Lindquist IE,Devitt N,Mudge J,Rashotte AM

更新日期：2013-01-01 00:00:00

abstract：:One should perhaps start off by asking the question, 'But what wood is it we want to see?' There are so many trees that make up the wood; within a post-genomics context, genes, transcripts, proteins, and metabolites are the more tangible ones. Rather than studying these components in isolation, a more holistic approac...

journal_title：Journal of experimental botany

authors： Goodacre R

更新日期：2005-01-01 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：:Novel genes that function in the conversion of indole-3-acetamide (IAM) into indole-3-acetic acid (IAA), which were previously thought to exist only in the bacterial genome, have been isolated from plants. The finding of the AtAMI1 gene in Arabidopsis thaliana and the NtAMI1 gene in Nicotiana tabacum, which encode ind...

journal_title：Journal of experimental botany

authors： Mano Y,Nemoto K,Suzuki M,Seki H,Fujii I,Muranaka T

更新日期：2010-01-01 00:00:00

abstract：:Visual symptoms of the onset of senescence in Sandersonia aurantiaca flowers begin with fading of flower colour and wilting of the tissue. When fully senescent, the flowers form a papery shell that remains attached to the plant. The cell walls of these flowers have been examined to determine whether there are wall mod...

journal_title：Journal of experimental botany

authors： O'Donoghue EM,Somerfield SD,Heyes JA

更新日期：2002-03-01 00:00:00

abstract：:(13)C discrimination in organic matter with respect to atmospheric CO(2) (Delta(13)C) is under tight genetic control in many plant species, including the pedunculate oak (Quercus robur L.) full-sib progeny used in this study. Delta(13)C is expected to reflect intrinsic water use efficiency, but this assumption require...

journal_title：Journal of experimental botany

authors： Roussel M,Dreyer E,Montpied P,Le-Provost G,Guehl JM,Brendel O

更新日期：2009-01-01 00:00:00

abstract：:Arabinogalactan proteins (AGPs) comprise a family of hydroxyproline-rich glycoproteins that are implicated in plant growth and development. In this study, 69 AGPs are identified from the rice genome, including 13 classical AGPs, 15 arabinogalactan (AG) peptides, three non-classical AGPs, three early nodulin-like AGPs ...

journal_title：Journal of experimental botany

authors： Ma H,Zhao J

更新日期：2010-06-01 00:00:00