A methylation status analysis of the apomixis-specific region in Paspalum spp. suggests an epigenetic control of parthenogenesis.

abstract：:Diurnal rates of leaf elongation vary in maize (Zea mays L.) and are characterized by a decline each afternoon. The cause of the afternoon decline was investigated. When the atmospheric environment was held constant in a controlled environment, and water and nutrients were adequately supplied to the soil or the roots ...

journal_title：Journal of experimental botany

authors： Tang AC,Boyer JS

更新日期：2008-01-01 00:00:00

abstract：:Although plants are photoautotrophic organisms, they are composed of many heterotrophic tissue systems that must import sugars and amino acids in a process known as assimilate partitioning. While the general features of assimilate partitioning were well described by the early 1980s, little was known about the various ...

journal_title：Journal of experimental botany

authors： Bush DR,Chiou TJ,Chen L

更新日期：1996-08-01 00:00:00

abstract：:It has been 30 years since the first transformation of a gene into a plant species, and since that time a number of biotechnology products have been developed, with the most important being insect- and herbicide-resistant crops. The development of second-generation products, including nutrient use efficiency and toler...

journal_title：Journal of experimental botany

authors： Rothstein SJ,Bi YM,Coneva V,Han M,Good A

更新日期：2014-10-01 00:00:00

abstract：:The H2A.Z histone variant plays a role in the modulation of environmental responses, but the nature of the associated mechanisms remains enigmatic. We investigated global H2A.Z deposition and transcriptomic changes in rice (Oryza sativa) upon exposure to phosphate (Pi) deficiency and in response to RNAi knockdown of O...

journal_title：Journal of experimental botany

authors： Zahraeifard S,Foroozani M,Sepehri A,Oh DH,Wang G,Mangu V,Chen B,Baisakh N,Dassanayake M,Smith AP

更新日期：2018-09-14 00:00:00

abstract：:The rootless, aquatic Utricularia species belong to the largest and most cosmopolitan carnivorous plant genus. Populations of Utricularia plants are an important component of many standing, nutrient-poor, and humic waters. Carbon (C) allocation is an aspect of Utricularia's ecophysiology that has not been studied prev...

journal_title：Journal of experimental botany

authors： Sirová D,Borovec J,Santrůcková H,Santrucek J,Vrba J,Adamec L

更新日期：2010-01-01 00:00:00

abstract：:Brassinosteroids (BRs) are a group of steroid hormones regulating plant growth and development. Since BRs do not undergo transport among plant tissues, their metabolism is tightly regulated by transcription factors (TFs) and feedback loops. BAS1 (CYP734A1, formerly CYP72B1) and SOB7 (CYP72C1) are two BR-inactivating c...

journal_title：Journal of experimental botany

authors： Peng H,Neff MM

更新日期：2020-01-23 00:00:00

abstract：:Climate change has brought severe challenges to agriculture. It is anticipated that there will be a drop in crop yield - including that of soybean - due to climatic stress factors that include drastic fluctuations in temperature, drought, flooding and high salinity. Genomic information on soybean has been accumulating...

journal_title：Journal of experimental botany

authors： Li MW,Xin D,Gao Y,Li KP,Fan K,Muñoz NB,Yung WS,Lam HM

更新日期：2017-04-01 00:00:00

abstract：:An enzymatically active recombinant protein kinase, previously isolated and characterized in Fagus sylvatica L. dormant seeds (FsPK1), was used to obtain a specific polyclonal antibody against this protein. Immunoblotting and immunohistochemical analysis of FsPK1 protein in beech seeds showed a strong immunostaining i...

journal_title：Journal of experimental botany

authors： Reyes D,Rodríguez D,Lorenzo O,Nicolás G,Cañas R,Cantón FR,Canovas FM,Nicolás C

更新日期：2006-01-01 00:00:00

abstract：:Polyunsaturated fatty acids (PUFAs) are powerful modulators of several animal ion channels. It is shown here that PUFAs strongly affect the activity of the Slow Vacuolar (SV) channel encoded by the plant TPC1 gene. The patch-clamp technique was applied to isolated vacuoles from carrot taproots and Arabidopsis thaliana...

journal_title：Journal of experimental botany

authors： Gutla PV,Boccaccio A,De Angeli A,Gambale F,Carpaneto A

更新日期：2012-10-01 00:00:00

abstract：:Phi thickenings are specialized secondary walls found in root cortical cells. Despite their widespread occurrence throughout the plant kingdom, these specialized thickenings remain poorly understood. First identified by Van Tieghem in 1871, phi thickenings are a lignified and thickened cell wall band that is deposited...

journal_title：Journal of experimental botany

authors： Aleamotu'a M,McCurdy DW,Collings DA

更新日期：2019-09-24 00:00:00

abstract：:Plant U-box type E3 ubiquitin ligases (PUBs) are well known for their functions in a variety of stress responses, including immune responses and the adaptation to abiotic stresses. First linked to pollen self-incompatibility, their repertoire of roles has grown to encompass also the regulation of developmental process...

journal_title：Journal of experimental botany

authors： Trujillo M

更新日期：2018-01-23 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：:Maintenance of a functional root is fundamental to plant survival in response to some abiotic stresses, such as water deficit. In this study, we found that overexpression of Arabidopsis class 1 phytoglobin (AtPgb1) alleviated the growth retardation of polyethylene glycol (PEG)-induced water stress by reducing programm...

journal_title：Journal of experimental botany

authors： Mira MM,Huang S,Kapoor K,Hammond C,Hill RD,Stasolla C

更新日期：2017-11-28 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：:Cell wall apposition (CWA) formation is one of the first lines of defence used by plants to halt invading fungi such as powdery mildew. Lignin is a complex polymer of hydroxylated and methoxylated phenylpropane units (monolignols) and lignification renders the cell wall more resistant to pathogen attack. The role of m...

journal_title：Journal of experimental botany

authors： Bhuiyan NH,Selvaraj G,Wei Y,King J

更新日期：2009-01-01 00:00:00

abstract：:CEPs (C-TERMINALLY ENCODED PEPTIDEs) inhibit Arabidopsis primary root growth by unknown mechanisms. We investigated how CEP3 levels control primary root growth. CEP3 peptide application decreased cell division, S-phase cell number, root meristematic cell number, and meristem zone (MZ) size in a dose- and CEP RECEPTOR1...

journal_title：Journal of experimental botany

authors： Delay C,Chapman K,Taleski M,Wang Y,Tyagi S,Xiong Y,Imin N,Djordjevic MA

更新日期：2019-09-24 00:00:00

abstract：:Oilseed rape is one of the most important dicotyledonous field crops in the world, where it plays a key role in productive cereal crop rotations. However, its production requires high nitrogen fertilization and its nitrogen footprint exceeds that of most other globally important crops. Hence, increased nitrogen use ef...

journal_title：Journal of experimental botany

authors： Stahl A,Vollrath P,Samans B,Frisch M,Wittkop B,Snowdon RJ

更新日期：2019-03-27 00:00:00

abstract：:High temperatures are known to reduce anthocyanin accumulation in a number of diverse plant species. In potato (Solanum tuberosum L.), high temperature significantly reduces tuber anthocyanin pigment content. However, the mechanism of anthocyanin biosynthesis in potato tuber under heat stress remains unknown. Here we ...

journal_title：Journal of experimental botany

authors： Liu Y,Lin-Wang K,Espley RV,Wang L,Li Y,Liu Z,Zhou P,Zeng L,Zhang X,Zhang J,Allan AC

更新日期：2019-08-07 00:00:00

abstract：:Plants have evolved elaborate mechanisms for sensing and responding to sub-optimal environmental conditions. Abiotic stresses caused by these conditions trigger a wide range of local and long-distance signals which must be co-ordinated and integrated into whole-plant processes, such as development, in order for the pl...

journal_title：Journal of experimental botany

authors： Zwack PJ,Rashotte AM

更新日期：2015-08-01 00:00:00

abstract：:Sucrose-phosphate synthase (SPS) from the cyanobacterium Synechocystis sp. PCC 6803 lacks all of the Ser residues known to be involved in the regulation of higher plant SPS by protein phosphorylation. The Synechocystis SPS is also not allosterically regulated by glucose 6-phosphate or orthophosphate. To investigate th...

journal_title：Journal of experimental botany

authors： Lunn JE,Gillespie VJ,Furbank RT

更新日期：2003-01-01 00:00:00

abstract：:The phytohormone auxin is a vital growth regulator in plants. In the root epidermis auxin steers root organ growth. However, the mechanisms that allow adjacent tissues to integrate growth are largely unknown. Here, the focus is on neighbouring epidermal root tissues to assess the integration of auxin-related growth re...

journal_title：Journal of experimental botany

authors： Löfke C,Scheuring D,Dünser K,Schöller M,Luschnig C,Kleine-Vehn J

更新日期：2015-08-01 00:00:00

abstract：:FUSCA3 (FUS3) is a short-lived B3-domain transcription factor that regulates seed development and phase transitions in Arabidopsis thaliana. The mechanisms controlling FUS3 levels are currently poorly understood. Here we show that FUS3 interacts with the RING E3 ligase ABI3-INTERACTING PROTEIN2 (AIP2). AIP2-green fluo...

journal_title：Journal of experimental botany

authors： Duong S,Vonapartis E,Li CY,Patel S,Gazzarrini S

更新日期：2017-03-01 00:00:00

abstract：:Stress induces changes of modified nucleosides in tRNA, and these changes can influence codon-anticodon interaction and therefore the translation of target proteins. Certain nucleoside modification genes are associated with regulation of stress tolerance and immune response in plants. In this study, we found a dramati...

journal_title：Journal of experimental botany

authors： Wang Y,Li D,Gao J,Li X,Zhang R,Jin X,Hu Z,Zheng B,Persson S,Chen P

更新日期：2017-03-01 00:00:00

abstract：:SPATULA is a bHLH transcription factor that promotes growth of tissues arising from the carpel margins, including the septum and transmitting tract. It is also involved in repressing germination of newly harvested seeds, and in inhibiting cotyledon, leaf, and petal expansion. Using a reporter gene construct, its expre...

journal_title：Journal of experimental botany

authors： Groszmann M,Bylstra Y,Lampugnani ER,Smyth DR

更新日期：2010-03-01 00:00:00

abstract：:Anthocyanin production is a characteristic response of flowering plants to unfavourable environmental conditions. The potential roles of flavonoids and anthocyanins in plant growth were investigated by growing Arabidopsis thaliana anthocyanin production mutants (transparent testa) under limiting nitrogen and high ligh...

journal_title：Journal of experimental botany

authors： Misyura M,Colasanti J,Rothstein SJ

更新日期：2013-01-01 00:00:00

abstract：:Soybean cyst nematode (SCN) is currently the most devastating pathogen of soybean. SCN penetrates the root and migrates toward the central vascular bundle where it establishes a complex multinucleated feeding structure that provides plant-derived nutrients to support the development and growth of the nematode. To iden...

journal_title：Journal of experimental botany

authors： Puthoff DP,Ehrenfried ML,Vinyard BT,Tucker ML

更新日期：2007-01-01 00:00:00

abstract：:Rates of photosynthesis can be lower in plants grown under conditions of high leaf-to-air vapour pressure difference (VPD) than under low VPD. Leaf phenotype plasticity is a primary factor determining photosynthetic responses to environmental stimuli. However, it remains unclear how changes in leaf anatomical traits d...

journal_title：Journal of experimental botany

authors： Du Q,Liu T,Jiao X,Song X,Zhang J,Li J

更新日期：2019-09-24 00:00:00

abstract：:Realistic experimental protocols to screen for drought adaptation in controlled conditions are crucial if high throughput phenotyping is to be used for the identification of high performance lines, and is especially important in the evaluation of transgenes where stringent biosecurity measures restrict the frequency o...

journal_title：Journal of experimental botany

authors： Saint Pierre C,Crossa JL,Bonnett D,Yamaguchi-Shinozaki K,Reynolds MP

更新日期：2012-03-01 00:00:00

abstract：:At least seven isoforms (PsABI3-1 to PsABI3-7) of a putative, pea ABI3-like factor, originated by alternative splicing, have been identified after cDNA cloning. A similar variability had previously only been described for monocot genes. The full-length isoform, PsABI3-1, contains the typical N-terminal acidic domains ...

journal_title：Journal of experimental botany

authors： Gagete AP,Riera M,Franco L,Rodrigo MI

更新日期：2009-01-01 00:00:00

abstract：:In Arabidopsis, 20 genes encode putative glutamate receptor-like proteins (AtGLRs). However, the functions of most genes are unknown. In this study, our results revealed that loss of function of AtGLR3.6 (atglr3.6-1) leads to reduced primary root growth and fewer lateral roots, whereas AtGLR3.6 overexpression induced ...

journal_title：Journal of experimental botany

authors： Singh SK,Chien CT,Chang IF

更新日期：2016-03-01 00:00:00