Hexameric oligomerization of mitochondrial peroxiredoxin PrxIIF and formation of an ultrahigh affinity complex with its electron donor thioredoxin Trx-o.

abstract：:Rice is an important crop that is very sensitive to salinity. However, some varieties differ greatly in this feature, making investigations of salinity tolerance mechanisms possible. The cultivar Pokkali is salinity tolerant and is known to have more extensive hydrophobic barriers in its roots than does IR20, a more s...

journal_title：Journal of experimental botany

authors： Krishnamurthy P,Ranathunge K,Nayak S,Schreiber L,Mathew MK

更新日期：2011-08-01 00:00:00

abstract：:Seed oil traits in soybean that are of benefit to human nutrition and health have been selected for during crop domestication. However, these domesticated traits have significant differences across various evolutionary types. In this study, we found that the integration of evolutionary population structure (evolutiona...

journal_title：Journal of experimental botany

authors： Liu JY,Zhang YW,Han X,Zuo JF,Zhang Z,Shang H,Song Q,Zhang YM

更新日期：2020-12-31 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：: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：:Our current understanding of how plants move auxin through their tissues is largely built on the use of polar auxin transporter inhibitors. Although the most important proteins that mediate auxin transport and its regulation have probably all been identified and the mapping of their interactions is well underway, mech...

journal_title：Journal of experimental botany

authors： Teale W,Palme K

更新日期：2018-01-04 00:00:00

abstract：:Futile plasma membrane cycling of ammonium (NH4+) is characteristic of low-affinity NH4+ transport, and has been proposed to be a critical factor in NH4+ toxicity. Using unidirectional flux analysis with the positron-emitting tracer 13N in intact seedlings of barley (Hordeum vulgare L.), it is shown that rapid, futile...

journal_title：Journal of experimental botany

authors： Szczerba MW,Britto DT,Balkos KD,Kronzucker HJ

更新日期：2008-01-01 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：:Nitric oxide (NO) has been increasingly implicated as part of the ripening regulatory networks in fleshy fruits. However, very little is known about the simultaneous action of NO on the intertwined web of regulatory events and metabolic reactions behind the ripening-related changes in fruit color, taste, aroma and nut...

journal_title：Journal of experimental botany

authors： Zuccarelli R,Rodríguez-Ruiz M,Lopes-Oliveira PJ,Pascoal GB,Andrade SCS,Furlan CM,Purgatto E,Palma JM,Corpas FJ,Rossi M,Freschi L

更新日期：2020-11-09 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：:Soil salinity and drought compromise water uptake and lead to osmotic adjustment in xero-halophyte plant species. These important environmental constraints may also have specific effects on plant physiology. Stress-induced accumulation of osmocompatible solutes was analysed in two Tunisian populations of the Mediteran...

journal_title：Journal of experimental botany

authors： Ben Hassine A,Ghanem ME,Bouzid S,Lutts S

更新日期：2008-01-01 00:00:00

abstract：:Seed loss resulting from pod shattering is a major constraint in production of oilseed rape (Brassica napus L.). However, the molecular mechanisms underlying pod shatter resistance are not well understood. Here, we show that the pod shatter resistance at quantitative trait locus qSRI.A9.1 is controlled by one of the B...

journal_title：Journal of experimental botany

authors： Liu J,Zhou R,Wang W,Wang H,Qiu Y,Raman R,Mei D,Raman H,Hu Q

更新日期：2020-09-19 00:00:00

abstract：:In this study, the uptake of Na+ into the cytosol of rice (Oryza sativa L. cvs Pokkali and BRRI Dhan29) protoplasts was measured using the acetoxy methyl ester of the fluorescent sodium-binding benzofuran isopthalate, SBFI-AM, and fluorescence microscopy. By means of inhibitor analyses the mechanisms for uptake and se...

journal_title：Journal of experimental botany

authors： Kader MA,Lindberg S

更新日期：2005-12-01 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：:Cortical microtubules (CMTs) are often aligned in a particular direction in individual cells or even in groups of cells and play a central role in the definition of growth anisotropy. How the CMTs themselves are aligned is not well known, but two hypotheses have been proposed. According to the first hypothesis, CMTs a...

journal_title：Journal of experimental botany

authors： Burian A,Ludynia M,Uyttewaal M,Traas J,Boudaoud A,Hamant O,Kwiatkowska D

更新日期：2013-12-01 00:00:00

abstract：:Inflorescence stalks produced the highest amount of ethylene in response to IAA as compared with other plant parts tested. Leaf age had an effect on IAA-induced ethylene with the youngest leaves showing the greatest stimulation. The highest amount of IAA-induced ethylene was produced in the root or inflorescence tip w...

journal_title：Journal of experimental botany

authors： Arteca RN,Arteca JM

更新日期：2008-01-01 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：:The efficient exclusion of excess Na from the cytoplasm and vacuolar Na(+) accumulation are the main mechanisms for the adaptation of plants to salt stress. This is typically carried out by transmembrane transport proteins that exclude Na(+) from the cytosol in exchange for H(+), a secondary transport process which is...

journal_title：Journal of experimental botany

authors： Queirós F,Fontes N,Silva P,Almeida D,Maeshima M,Gerós H,Fidalgo F

更新日期：2009-01-01 00:00:00

abstract：:Photo-oxidative stress was imposed under natural solar radiation on exposed and shaded sections of detached fruit of immature green tomato (Lycopersicon esculentum Miller = Solanum lycopersicum L.) mutants (anthocyanin absent, beta-carotene, Delta, and high pigment-1) and their nearly isogenic parents ('Ailsa Craig' a...

journal_title：Journal of experimental botany

authors： Torres CA,Andrews PK,Davies NM

更新日期：2006-01-01 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：:Hydration at low temperatures, commonly referred to as cold stratification, is widely used for releasing dormancy and triggering germination in a wide range of species including wheat. However, the molecular mechanism that underlies its effect on germination has largely remained unknown. Our previous studies showed th...

journal_title：Journal of experimental botany

authors： Xu Q,Truong TT,Barrero JM,Jacobsen JV,Hocart CH,Gubler F

更新日期：2016-05-01 00:00:00

abstract：:Ribulose-1,5-bisphosphate carboxylase/oxygenase (RuBisCO) is the key enzyme in the fixation of CO(2) in the Calvin cycle of plants. Many genome projects have revealed that bacteria, including Bacillus subtilis, possess genes for proteins that are similar to the large subunit of RuBisCO. These RuBisCO homologues are ca...

journal_title：Journal of experimental botany

authors： Ashida H,Saito Y,Nakano T,Tandeau de Marsac N,Sekowska A,Danchin A,Yokota A

更新日期：2008-01-01 00:00:00

abstract：:Floral scent is an important factor in attracting pollinators and repelling florivores. In Phalaenopsis bellina (Orchidaceae), the major floral scent components are monoterpenoids. Previously, we determined that expression of GERANYL DIPHOSPHATE SYNTHASE (PbGDPS) is highly correlated with monoterpene biosynthesis in P...

journal_title：Journal of experimental botany

authors： Chuang YC,Hung YC,Tsai WC,Chen WH,Chen HH

更新日期：2018-08-14 00:00:00

abstract：:Edaphic factors such as salinity, sodicity, and drought adversely affect crop productivity, either alone or in combination. Despite soil sodicity being reported as an increasing problem worldwide, limited efforts have been made to address this issue. In the present study, we aimed to generate rice with tolerance to so...

journal_title：Journal of experimental botany

authors： Joshi R,Sahoo KK,Singh AK,Anwar K,Pundir P,Gautam RK,Krishnamurthy SL,Sopory SK,Pareek A,Singla-Pareek SL

更新日期：2020-01-07 00:00:00

abstract：:Exposure to high ambient levels of NaCl affects plant water relations and creates ionic stress in the form of the cellular accumulation of Cl- and, in particular, Na+ ions. However, salt stress also impacts heavily on the homeostasis of other ions such as Ca2+, K+, and NO(3)(-) and therefore requires insights into how...

journal_title：Journal of experimental botany

authors： Maathuis FJ

更新日期：2006-01-01 00:00:00

abstract：:Nutrient requirements for plant growth are expected to rise in response to the predicted changes in CO(2) and temperature. In this context, little attention has been paid to the effects of soil temperature, which limits plant growth at early stages in temperate regions. A factorial growth-room experiment was conducted...

journal_title：Journal of experimental botany

authors： Gavito ME,Curtis PS,Mikkelsen TN,Jakobsen I

更新日期：2001-09-01 00:00:00

abstract：:Sugars regulate the expression of many genes at the transcriptional level. In Arabidopsis thaliana, sugars induce or repress the expression of >1800 genes, including the STP1 (SUGAR TRANSPORTER PROTEIN 1) gene, which encodes an H(+)/monosaccharide cotransporter. STP1 transcript levels decrease more rapidly after the a...

journal_title：Journal of experimental botany

authors： Cordoba E,Aceves-Zamudio DL,Hernández-Bernal AF,Ramos-Vega M,León P

更新日期：2015-01-01 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：:Leaf senescence is a very important trait that limits yield and biomass accumulation of agronomic crops and reduces post-harvest performance and the nutritional value of horticultural crops. Significant advance in physiological and molecular understanding of leaf senescence has made it possible to devise ways of manip...

journal_title：Journal of experimental botany

authors： Guo Y,Gan SS

更新日期：2014-07-01 00:00:00

abstract：:Inefficient use of phosphorus (P) in agriculture adds to production costs, increases the risk of eutrophication of waterways, and contributes to the rapid depletion of the world's non-renewable rock phosphate supplies. The removal of large quantities of P from fields in harvested grains is a major driver in the global...

journal_title：Journal of experimental botany

authors： Wang F,Rose T,Jeong K,Kretzschmar T,Wissuwa M

更新日期：2016-03-01 00:00:00

abstract：:Leaf dry mass per area (LMA) is a composite parameter relating to a suite of structural traits that have the potential to influence photosynthesis. However, the extent to which each of these traits contributes to variation in LMA and photosynthetic rates is not well understood, especially at the high end of the LMA sp...

journal_title：Journal of experimental botany

authors： Hassiotou F,Renton M,Ludwig M,Evans JR,Veneklaas EJ

更新日期：2010-06-01 00:00:00