The olive DGAT2 gene is developmentally regulated and shares overlapping but distinct expression patterns with DGAT1.

abstract：:CO(2) faces a series of resistances while diffusing between the substomatal cavities and the sites of carboxylation within chloroplasts. The absence of techniques to measure the resistance of individual steps makes it difficult to define their relative importance. Resistance to diffusion through intercellular airspace...

journal_title：Journal of experimental botany

authors： Evans JR,Kaldenhoff R,Genty B,Terashima I

更新日期：2009-01-01 00:00:00

abstract：:The measurement of the response of net photosynthesis to leaf internal CO2 (i.e. A-Ci curves) is widely used for ecophysiological studies. Most studies did not consider CO2 exchange between the chamber and the surrounding air, especially at the two extremes of A-Ci curves, where large CO2 gradients are created, leadin...

journal_title：Journal of experimental botany

authors： Flexas J,Díaz-Espejo A,Berry JA,Cifre J,Galmés J,Kaldenhoff R,Medrano H,Ribas-Carbó M

更新日期：2007-01-01 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：:Stomatal responses to leaf-to-air vapour pressure deficit (LVPD), leaf water potential components, and cuticular properties were characterized for Douglas-fir (Pseudotsuga menziesii) foliage collected from tree tops along a height gradient from 5 m to 58 m in order to explore height-related trends in stomatal sensitiv...

journal_title：Journal of experimental botany

authors： Woodruff DR,Meinzer FC,McCulloh KA

更新日期：2010-01-01 00:00:00

abstract：:Seed size is an important component of grain yield and a key determinant trait for crop domestication. The Krug Yellow Dent long-term selection experiment for large and small seed provides a valuable resource to dissect genetic and phenotypic changes affecting seed size within a common genetic background. In this stud...

journal_title：Journal of experimental botany

authors： Zhang X,Hirsch CN,Sekhon RS,de Leon N,Kaeppler SM

更新日期：2016-03-01 00:00:00

abstract：:Many stresses are associated with increased accumulation of reactive oxygen species (ROS) and polyamines (PAs). PAs act as ROS scavengers, but export of putrescine and/or PAs to the apoplast and their catabolization by amine oxidases gives rise to H2O2 and other ROS, including hydroxyl radicals ((•)OH). PA catabolizat...

journal_title：Journal of experimental botany

authors： Pottosin I,Velarde-Buendía AM,Bose J,Zepeda-Jazo I,Shabala S,Dobrovinskaya O

更新日期：2014-03-01 00:00:00

abstract：:Transcription factors of the NAC family are known to be involved in various developmental processes and in response to environmental stresses. Whereas NAC genes have been widely studied in response to abiotic stresses, little is known about their role in response to biotic stresses, especially in crops. Here, the firs...

journal_title：Journal of experimental botany

authors： Le Hénanff G,Profizi C,Courteaux B,Rabenoelina F,Gérard C,Clément C,Baillieul F,Cordelier S,Dhondt-Cordelier S

更新日期：2013-11-01 00:00:00

abstract：:Our previous genetic analysis of a tetraploid wild wheat species, Aegilops peregrina, predicted that a single gene per haploid genome, Bgc-1, controls B-type starch granule content in the grain. To test whether bread wheat (Triticum aestivum L.) has orthologous Bgc-1 loci, we screened a population of γ-irradiated brea...

journal_title：Journal of experimental botany

authors： Chia T,Adamski NM,Saccomanno B,Greenland A,Nash A,Uauy C,Trafford K

更新日期：2017-11-28 00:00:00

abstract：:Low-temperature stress is an important factor affecting the growth and development of rice (Oryza sativa L.) in temperate and high-elevation areas. Cold stress may cause various seedling injuries, delayed heading and yield reduction due to spikelet sterility. In this study, 181 microsatellite marker loci were used to ...

journal_title：Journal of experimental botany

authors： Andaya VC,Mackill DJ

更新日期：2003-11-01 00:00:00

abstract：:Mechanistic inter-relationships in sinks between sucrose compartmentation/metabolism and phloem unloading/translocation are poorly understood. Developing grain legume seeds provide tractable experimental systems to explore this question. Metabolic demand by cotyledons is communicated to phloem unloading and ultimately...

journal_title：Journal of experimental botany

authors： Zhou Y,Chan K,Wang TL,Hedley CL,Offler CE,Patrick JW

更新日期：2009-01-01 00:00:00

abstract：:Cytokinin is a plant hormone essential for growth and development. The elucidation of its signalling pathway as a variant of the bacterial two-component signalling system (TCS) has led to a better understanding of how this hormone is involved in general plant processes. A set of cytokinin-regulated transcription facto...

journal_title：Journal of experimental botany

authors： Cutcliffe JW,Hellmann E,Heyl A,Rashotte AM

更新日期：2011-10-01 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：:The effect of iron (Fe) and sulphur (S) deprivation on sulphate uptake and assimilation pathways was investigated in durum wheat by analysing the expression of genes coding for major transporters and enzymes involved in sulphate assimilation and reduction: high-affinity sulphate transporters (TdSultr1.1 and TdSultr1.3...

journal_title：Journal of experimental botany

authors： Ciaffi M,Paolacci AR,Celletti S,Catarcione G,Kopriva S,Astolfi S

更新日期：2013-04-01 00:00:00

abstract：:In the Arabidopsis mutant sdd1-1, a point mutation in a single gene (SDD1) causes specific alterations in stomatal density and distribution. In comparison to the wild type (C24), abaxial surfaces of sdd1-1 rosette leaves have about 2.5-fold higher stomatal densities. This mutant was used to study the consequence of st...

journal_title：Journal of experimental botany

authors： Schlüter U,Muschak M,Berger D,Altmann T

更新日期：2003-02-01 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：: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

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：: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：:Virus-induced flowering (VIF) exploits RNA or DNA viruses to express flowering time genes to induce flowering in plants. Such plant virus-based tools have recently attracted widespread attention for their fundamental and applied uses in flowering physiology and in accelerating breeding in dicotyledonous crops and wood...

journal_title：Journal of experimental botany

authors： Yuan C,Li H,Qin C,Zhang X,Chen Q,Zhang P,Xu X,He M,Zhang X,Tör M,Xue D,Wang H,Jackson S,He Y,Liu Y,Shi N,Hong Y

更新日期：2020-05-30 00:00:00

abstract：:Rice grain filling is a process of conversion of sucrose into starch catalysed by a series of enzymes. Sucrose synthase (SUS) is considered as a key enzyme regulating this process. This study investigated the possible roles of sucrose and abscisic acid (ABA) in mediating the activity and expression of SUS protein of g...

journal_title：Journal of experimental botany

authors： Tang T,Xie H,Wang Y,Lü B,Liang J

更新日期：2009-01-01 00:00:00

abstract：:Many legumes have the capacity to enter into a symbiotic association with soil bacteria generically called 'rhizobia' that results in the formation of new lateral organs on roots called nodules within which the rhizobia fix atmospheric nitrogen (N). Up to 200 million tonnes of N per annum is fixed by this association....

journal_title：Journal of experimental botany

authors： Djordjevic MA,Mohd-Radzman NA,Imin N

更新日期：2015-08-01 00:00:00

abstract：:Iron (Fe) is vital for plant growth. Plants balance the beneficial and toxic effects of this micronutrient, and tightly control Fe uptake and allocation. Here, we review the role of the basic helix-loop-helix (bHLH) transcription factor FIT (FER-LIKE FE DEFICIENCY-INDUCED TRANSCRIPTION FACTOR) in Fe acquisition. FIT i...

journal_title：Journal of experimental botany

authors： Schwarz B,Bauer P

更新日期：2020-03-12 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：: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：: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：:Phosphorus is an important macronutrient for plant growth, but often deficient in soil. To understand the molecular basis of the complex responses of potato (Solanum tuberosum L.) to phosphate (Pi) deficiency stress, the RNA-Seq approach was taken to identify genes responding to Pi starvation in potato roots. A total ...

journal_title：Journal of experimental botany

authors： Zhou X,Zha M,Huang J,Li L,Imran M,Zhang C

更新日期：2017-02-01 00:00:00

abstract：:Non-invasive X-ray computed tomography (XRCT) is increasingly used in rhizosphere research to visualize development of soil-root interfaces in situ. However, exposing living systems to X-rays can potentially impact their processes and metabolites. In order to evaluate these effects, we assessed the responses of rhizos...

journal_title：Journal of experimental botany

authors： Ganther M,Yim B,Ibrahim Z,Bienert MD,Lippold E,Maccario L,Sørensen SJ,Bienert GP,Vetterlein D,Heintz-Buschart A,Blagodatskaya E,Smalla K,Tarkka MT

更新日期：2020-09-19 00:00:00

abstract：:The effect of water stress on the early seedling growth of onions was studied by placing newly-germinated seedlings in vermiculite equilibrated at different water potentials. Roots and shoots elongated more at -0.29 than at -0.64 MPa, but did not elongate at -1.66 MPa. However, roots and shoots of seedlings that had b...

journal_title：Journal of experimental botany

authors： Whalley WR,Lipiec J,Finch-Savage WE,Cope RE,Clark LJ,Rowse HR

更新日期：2001-05-01 00:00:00

abstract：:GDP-d-mannose (GDP-d-Man) is an important intermediate in ascorbic acid (AsA) synthesis, cell wall synthesis, protein N-glycosylation, and glycosylphosphatidylinositol-anchoring in plants. Thus, the modulation of intracellular levels of GDP-d-Man could be important for maintaining various cellular processes. Here an A...

journal_title：Journal of experimental botany

authors： Tanaka H,Maruta T,Ogawa T,Tanabe N,Tamoi M,Yoshimura K,Shigeoka S

更新日期：2015-09-01 00:00:00

abstract：:Most terrestrial plants use C3 photosynthesis to fix carbon. In multiple plant lineages a modified system known as C4 photosynthesis has evolved. To better understand the molecular patterns associated with induction of C4 photosynthesis, the genus Flaveria that contains C3 and C4 species was used. A base to tip matura...

journal_title：Journal of experimental botany

authors： Kümpers BM,Burgess SJ,Reyna-Llorens I,Smith-Unna R,Boursnell C,Hibberd JM

更新日期：2017-01-01 00:00:00