Honeydew-associated microbes elicit defense responses against brown planthopper in rice.

abstract：:Potato has been genetically engineered for the production of commercially important ketocarotenoids including astaxanthin (3,3'-dihydroxy 4,4'-diketo-beta-carotene). To support the formation of 3-hydroxylated and 4-ketolated beta-carotene, a transgenic potato line accumulating zeaxanthin due to inactivated zeaxanthin ...

journal_title：Journal of experimental botany

authors： Gerjets T,Sandmann G

更新日期：2006-01-01 00:00:00

abstract：:Drought-stressed plants display reduced stomatal conductance, which results in increased leaf temperature by limiting transpiration. In this study, thermal imaging was used to quantify the differences in canopy temperature under drought in a rice diversity panel consisting of 293 indica accessions. The population was ...

journal_title：Journal of experimental botany

authors： Melandri G,Prashar A,McCouch SR,van der Linden G,Jones HG,Kadam N,Jagadish K,Bouwmeester H,Ruyter-Spira C

更新日期：2020-02-19 00:00:00

abstract：:PaHB1 (for Picea abies Homeobox1), an evolutionarily conserved HD-GL2 homeobox gene, specifically expressed in the protoderm during somatic embryogenesis in the gymnosperm Norway spruce has been reported previously. An additional HD-GL2 gene designated PaHB2 is reported here. During somatic embryogenesis, the PaHB2 ge...

journal_title：Journal of experimental botany

authors： Ingouff M,Farbos I,Wiweger M,von Arnold S

更新日期：2003-05-01 00:00:00

abstract：:Images taken at different spectral bands are increasingly used for characterizing plants and their health status. In contrast to conventional point measurements, imaging detects the distribution and quantity of signals and thus improves the interpretation of fluorescence and reflectance signatures. In multispectral fl...

journal_title：Journal of experimental botany

authors： Lenk S,Chaerle L,Pfündel EE,Langsdorf G,Hagenbeek D,Lichtenthaler HK,Van Der Straeten D,Buschmann C

更新日期：2007-01-01 00:00:00

abstract：:The activation of calcium signaling is a crucial event for perceiving environmental stress. Colonization by Piriformospora indica, a growth-promoting root endosymbiont, activates cytosolic Ca2+ in Arabidopsis roots. In this study, we examined the role and functional relevance of calcium channels responsible for Ca2+ f...

journal_title：Journal of experimental botany

authors： Jogawat A,Meena MK,Kundu A,Varma M,Vadassery J

更新日期：2020-05-09 00:00:00

abstract：:Abscisic acid conjugate concentrations increased in barley xylem sap under salinity, whereas it remained at a low level in the intercellular washing fluid (IWF) of barley primary leaves (Hordeum vulgare cv. Gerbel). Here it is shown that IWF contains beta-glucosidase activity which releases abscisic acid (ABA) from th...

journal_title：Journal of experimental botany

authors： Dietz KJ,Sauter A,Wichert K,Messdaghi D,Hartung W

更新日期：2000-05-01 00:00:00

abstract：:C(4) photosynthesis involves cell-to-cell exchange of photosynthetic intermediates between the Kranz mesophyll (KMS) and bundle sheath (BS) cells. This was believed to occur by simple diffusion through plentiful plasmodesmatal (PD) connections between these cell types. The model of C(4) intermediates' transport was el...

journal_title：Journal of experimental botany

authors： Sowiński P,Szczepanik J,Minchin PE

更新日期：2008-01-01 00:00:00

abstract：:Citric acid is the predominant organic acid of citrus fruit. Degradation of citric acid occurs during fruit development, influencing fruit acidity. Associations of CitAco3 transcripts and citric acid degradation have been reported for citrus fruit. Here, transient overexpression of CitAco3 significantly reduced the ci...

journal_title：Journal of experimental botany

authors： Li SJ,Yin XR,Wang WL,Liu XF,Zhang B,Chen KS

更新日期：2017-06-15 00:00:00

abstract：:Constitutive over-expression of a maize sucrose-phosphate synthase (SPS) gene in tobacco (Nicotiana tabacum) had major effects on leaf carbohydrate budgets with consequences for whole plant development. Transgenic tobacco plants flowered earlier and had greater flower numbers than wild-type plants. These changes were ...

journal_title：Journal of experimental botany

authors： Baxter CJ,Foyer CH,Turner J,Rolfe SA,Quick WP

更新日期：2003-08-01 00:00:00

abstract：:Plant species capable of hyper-accumulating heavy metals are of considerable interest for phytoremediation, and differ in their ability to accumulate metals from the environment. This work aims to examine (i) arsenic accumulation in three fern species [Chinese brake fern (Pteris vittata L.), slender brake fern (Pteris...

journal_title：Journal of experimental botany

authors： Srivastava M,Ma LQ,Singh N,Singh S

更新日期：2005-05-01 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：: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：: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：:Legumes fix atmospheric nitrogen through a symbiotic relationship with bacteroids in root nodules. Following fixation in pea (Pisum sativum L.) nodules, nitrogen is reduced to amino acids that are exported via the nodule xylem to the shoot, and in the phloem to roots in support of growth. However, the mechanisms invol...

journal_title：Journal of experimental botany

authors： Garneau MG,Tan Q,Tegeder M

更新日期：2018-10-12 00:00:00

abstract：:Research on the functional properties of nucleosome structure and composition dynamics has revealed that chromatin-level regulation is an essential component of light signalling and clock function in plants, two processes that rely extensively on transcriptional controls. In particular, several types of histone post-t...

journal_title：Journal of experimental botany

authors： Barneche F,Malapeira J,Mas P

更新日期：2014-06-01 00:00:00

abstract：:Since cysteine is the first committed molecule in plant metabolism containing both sulphur and nitrogen, the regulation of its biosynthesis is critically important. Cysteine itself is required for the production of an abundance of key metabolites in diverse pathways. Plants alter their metabolism to compensate for sul...

journal_title：Journal of experimental botany

authors： Hesse H,Nikiforova V,Gakière B,Hoefgen R

更新日期：2004-06-01 00:00:00

abstract：:Leaves and callus of Kalanchoë daigremontiana and Taxus brevifolia were used to investigate nitric oxide-induced apoptosis in plant cells. The effect of nitric oxide (NO) was studied by using a NO donor, sodium nitroprusside (SNP), a nitric oxide-synthase (NOS) inhibitor, N:(G)-monomethyl-L-arginine (NMMA), and centri...

journal_title：Journal of experimental botany

authors： Pedroso MC,Magalhaes JR,Durzan D

更新日期：2000-06-01 00:00:00

abstract：:Seeds of two ecotypes of Arabidopsis thaliana, NW20 and N1601, were aged over a range of saturated salt solutions at temperatures between 6 degrees C and 55 degrees C. For each ecotype, the results from 37 storage experiments were summarized using the Ellis and Roberts viability equations and a modified version of the...

journal_title：Journal of experimental botany

authors： Hay FR,Mead A,Manger K,Wilson FJ

更新日期：2003-03-01 00:00:00

abstract：:Rice (Oryza sativa) varieties that are arsenate-tolerant (Bala) and -sensitive (Azucena) were used to conduct a transcriptome analysis of the response of rice seedlings to sodium arsenate (AsV) in hydroponic solution. RNA extracted from the roots of three replicate experiments of plants grown for 1 week in phosphate-f...

journal_title：Journal of experimental botany

authors： Norton GJ,Lou-Hing DE,Meharg AA,Price AH

更新日期：2008-01-01 00:00:00

abstract：:Biochar is a promising soil additive for use in support of sustainable crop production. However, the high level of heterogeneity in biochar properties and the variations in soil composition present significant challenges to the successful uptake of biochar technologies in diverse agricultural soils. An improved unders...

journal_title：Journal of experimental botany

authors： Jiang Z,Lian F,Wang Z,Xing B

更新日期：2020-01-07 00:00:00

abstract：:Increasing drought stress poses a severe threat to agricultural productivity. Plants, however, evolved numerous mechanisms to cope with such environmental stress. Here we report that the stress-induced production of a peptide signal contributes to stress tolerance. The expression of phytosulfokine (PSK) peptide precur...

journal_title：Journal of experimental botany

authors： Stührwohldt N,Bühler E,Sauter M,Schaller A

更新日期：2021-01-20 00:00:00

abstract：:Quantitative RT-PCR (reverse transcription polymerase chain reaction, also known as qRT-PCR or real-time RT-PCR) has been used in large proportions of transcriptome analyses published to date. The accuracy of the results obtained by this method strongly depends on accurate transcript normalization using stably express...

journal_title：Journal of experimental botany

authors： Guénin S,Mauriat M,Pelloux J,Van Wuytswinkel O,Bellini C,Gutierrez L

更新日期：2009-01-01 00:00:00

abstract：:Nodal roots (NRs) constitute the prevalent root system of adult maize plants. NRs emerge from stem nodes located below or above ground, and little is known about their inducing factors. Here, it is shown that precocious development of NRs at the coleoptilar node (NRCNs) occurred in maize seedlings when: (i) dark grown...

journal_title：Journal of experimental botany

authors： López-Frías G,Martínez LM,Ponce G,Cassab GI,Nieto-Sotelo J

更新日期：2011-08-01 00:00:00

abstract：:In eukaryotes, the RHO superfamily of small G-proteins is implicated in the regulation of cell polarity and growth. Rho of Plants (ROPs)/RACs are plant-specific Rho family proteins that have been shown to regulate cell polarity, auxin transport and responses, ABA signalling, and response to pathogens. A hallmark of RO...

journal_title：Journal of experimental botany

authors： Yalovsky S

更新日期：2015-03-01 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：:Transcriptional studies in relation to fruit ripening generally aim to identify the transcriptional states associated with physiological ripening stages and the transcriptional changes between stages within the ripening programme. In non-climacteric fruits such as grape, all ripening-related genes involved in this pro...

journal_title：Journal of experimental botany

authors： Gouthu S,O'Neil ST,Di Y,Ansarolia M,Megraw M,Deluc LG

更新日期：2014-11-01 00:00:00

abstract：:To obtain and concentrate reduced N from the environment, plants have evolved a diverse array of adaptations to utilize soil, biotic and atmospheric N. In symbiotic N(2)-fixing systems the potential for oversupply exists and regulation of activity to match demand is crucial. N status in plants is likely to be most str...

journal_title：Journal of experimental botany

authors： Parsons R,Sunley RJ

更新日期：2001-03-01 00:00:00

abstract：:Wheat kernel texture, a major trait determining the end-use quality of wheat flour, is mainly influenced by puroindolines. These small basic proteins display in vitro lipid binding and antimicrobial properties, but their cellular functions during grain development remain unknown. To gain an insight into their biologic...

journal_title：Journal of experimental botany

authors： Lesage VS,Merlino M,Chambon C,Bouchet B,Marion D,Branlard G

更新日期：2012-01-01 00:00:00

abstract：:Root hairs are important for nutrient uptake, anchorage, and plant-microbe interactions. From a population of rice (Oryza sativa) mutagenized by ethyl methanesulfonate (EMS), a short root hair2 (srh2) mutant was identified. In hydroponic culture, srh2 seedlings were significantly reduced in root hair length. Bubble-li...

journal_title：Journal of experimental botany

authors： Wang C,Li S,Ng S,Zhang B,Zhou Y,Whelan J,Wu P,Shou H

更新日期：2014-08-01 00:00:00

abstract：:At the onset of ripening, some fleshy fruits shift the dominant water import pathway from the xylem to the phloem, but the cause for the decline in xylem inflow remains obscure. This study found that xylem-mobile dye movement into grape berries decreased despite transient increases in berry growth and transpiration du...

journal_title：Journal of experimental botany

authors： Zhang Y,Keller M

更新日期：2017-01-01 00:00:00