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Showing 1-30 of 36 results for "33371" within Papers
Shutang Tan et al.
Current biology : CB, 30(3), 381-395 (2020-01-21)
Plants, like other multicellular organisms, survive through a delicate balance between growth and defense against pathogens. Salicylic acid (SA) is a major defense signal in plants, and the perception mechanism as well as downstream signaling activating the immune response are
Kyoko Ohashi-Ito et al.
Plant & cell physiology, 54(3), 398-405 (2013-01-30)
The vascular system in plants, which comprises xylem, phloem and vascular stem cells, originates from provascular cells and forms a continuous network throughout the plant body. Although various aspects of vascular development have been extensively studied, the early process of
Matthias Meier et al.
Lab on a chip, 10(16), 2147-2153 (2010-06-15)
In this article, we developed a "plant on a chip" microfluidic platform that can control the local chemical environment around live roots of Arabidopsis thaliana with high spatial resolution using multi-laminar flow. We characterized the flow profile around the Arabidopsis
Adriana P Rightmyer et al.
Molecular plant-microbe interactions : MPMI, 24(11), 1372-1384 (2011-08-04)
Rhizobium and allied bacteria form symbiotic nitrogen-fixing nodules on legume roots. Plant hormones play key roles in nodule formation. We treated Medicago truncatula roots with auxin transport inhibitors (ATI) N-(1-naphthyl)phthalamic acid (NPA) and 2,3,5-triiodobenzoic acid (TIBA) to induce the formation
Hyo-Jun Lee et al.
The New phytologist, 225(3), 1285-1296 (2019-07-25)
Plants sense mechanical stimuli to recognise nearby obstacles and change their growth patterns to adapt to the surrounding environment. When roots encounter an obstacle, they rapidly bend away from the impenetrable surface and find the edge of the barrier. However
Leentje Jansen et al.
Philosophical transactions of the Royal Society of London. Series B, Biological sciences, 367(1595), 1525-1533 (2012-04-25)
In Arabidopsis thaliana, lateral-root-forming competence of pericycle cells is associated with their position at the xylem poles and depends on the establishment of protoxylem-localized auxin response maxima. In maize, our histological analyses revealed an interruption of the pericycle at the
Kojiro Takanashi et al.
Planta, 234(1), 73-81 (2011-03-04)
The symbiosis between legume plants and rhizobia causes the development of new organs, nodules which function as an apparatus for nitrogen fixation. In this study, the roles of auxin in nodule development in Lotus japonicus have been demonstrated using molecular
Isaiah Taylor et al.
Proceedings of the National Academy of Sciences of the United States of America, 118(8) (2021-02-21)
Early root growth is critical for plant establishment and survival. We have identified a molecular pathway required for helical root tip movement known as circumnutation. Here, we report a multiscale investigation of the regulation and function of this phenomenon. We
Shui-gen Li et al.
Gene, 522(2), 177-183 (2013-04-10)
Polar auxin transport provides a developmental signal for cell fate specification during somatic embryogenesis. Some members of the HD-ZIP III transcription factors participate in regulation of auxin transport, but little is known about this regulation in somatic embryogenesis. Here, four
Miguel A Moreno-Risueno et al.
Science (New York, N.Y.), 329(5997), 1306-1311 (2010-09-11)
Plants and animals produce modular developmental units in a periodic fashion. In plants, lateral roots form as repeating units along the root primary axis; however, the developmental mechanism regulating this process is unknown. We found that cyclic expression pulses of
Qian Zhang et al.
The Plant journal : for cell and molecular biology, 72(5), 805-816 (2012-08-14)
The phytohormone auxin plays a critical role in plant growth and development, and its spatial distribution largely depends on the polar localization of the PIN-FORMED (PIN) auxin efflux carrier family members. In this study, we identify a putative auxin efflux
Matthew R Tucker et al.
Journal of experimental botany, 63(8), 3229-3241 (2012-03-02)
Apomixis in Hieracium subgenus Pilosella initiates in ovules when sporophytic cells termed aposporous initial (AI) cells enlarge near sexual cells undergoing meiosis. AI cells displace the sexual structures and divide by mitosis to form unreduced embryo sac(s) without meiosis (apomeiosis)
ChenJia Shen et al.
The FEBS journal, 277(14), 2954-2969 (2010-06-10)
Auxin is transported by the influx carriers auxin resistant 1/like aux1 (AUX/LAX), and the efflux carriers pin-formed (PIN) and P-glycoprotein (PGP), which play a major role in polar auxin transport. Several auxin transporter genes have been characterized in dicotyledonous Arabidopsis
Kenji Miura et al.
Plant physiology, 155(2), 1000-1012 (2010-12-16)
Phosphate (Pi) limitation causes plants to modulate the architecture of their root systems to facilitate the acquisition of Pi. Previously, we reported that the Arabidopsis (Arabidopsis thaliana) SUMO E3 ligase SIZ1 regulates root architecture remodeling in response to Pi limitation;
Xie Dang et al.
Cell reports, 30(11), 3904-3916 (2020-03-19)
The flowers of angiosperm species typically contain specialized conical cells. Although substantial progress has been achieved regarding the mechanisms underlying flower development, little is known about how petal cells achieve final conical shape. Here, we use 8-hydroxypyrene-1,3,6-trisulfonic acid trisodium salt
Monaco, JT, et al.
Weed Sci. (2002)
Naiyanate Jaroensanti et al.
Bioscience, biotechnology, and biochemistry, 78(11), 1839-1849 (2014-10-30)
Brassinosteroid (BR) and auxin co-regulate plant growth in a process termed cross-talking. Based on the assumption that their signal transductions are partially shared, inhibitory chemicals for both signal transductions were screened from a commercially available library. A chemical designated as
Jie Yu et al.
Molecular biology and evolution, 37(5), 1387-1393 (2019-09-11)
The root originated independently in euphyllophytes (ferns and seed plants) and lycophytes; however, the molecular evolutionary route of root initiation remains elusive. By analyses of the fern Ceratopteris richardii and seed plants, here we show that the molecular pathway involving
Yingnan Chen et al.
Plant biotechnology journal, 10(2), 139-149 (2011-07-23)
Crop architecture parameters such as tiller number, angle and plant height are important agronomic traits that have been considered for breeding programmes. Auxin distribution within the plant has long been recognized to alter architecture. The rice (Oryza sativa L.) genome
Iker Hernández et al.
Plant physiology and biochemistry : PPB, 61, 24-28 (2012-10-04)
Flavonoids fulfill an enormous range of biological functions in plants. In seeds, these compounds play several roles; for instance proanthocyanidins protect them from moisture, pathogen attacks, mechanical stress, UV radiation, etc., and flavonols have been suggested to protect the embryo
Shutang Tan et al.
Cell reports, 33(9), 108463-108463 (2020-12-03)
The widely used non-steroidal anti-inflammatory drugs (NSAIDs) are derivatives of the phytohormone salicylic acid (SA). SA is well known to regulate plant immunity and development, whereas there have been few reports focusing on the effects of NSAIDs in plants. Our
Bokyung Kim et al.
Molecules and cells, 34(1), 77-84 (2012-06-08)
Sterols play crucial roles as membrane components and precursors of steroid hormones (e.g., brassinosteroids, BR). Within membranes, sterols regulate membrane permeability and fluidity by interacting with other lipids and proteins. Sterols are frequently enriched in detergent-insoluble membranes (DIMs), which organize
Marie Baucher et al.
Journal of experimental botany, 62(11), 4055-4065 (2011-05-06)
Ntann12, encoding a polypeptide homologous to annexins, was found previously to be induced upon infection of tobacco with the bacterium Rhodococcus fascians. In this study, Ntann12 is shown to bind negatively charged phospholipids in a Ca(2+)-dependent manner. In plants growing
Yuting Lin et al.
Plant cell reports, 31(9), 1563-1572 (2012-04-26)
Our previous results showed that β-cyclodextrin-hemin complex (CDH) exhibited a vital protective role against cadmium-induced oxidative damage and toxicity in alfalfa seedling roots by the regulation of heme oxygenase-1 (HO-1) gene expression. In this report, we further test whether CDH
Hong Zhang et al.
Plant signaling & behavior, 6(6), 861-863 (2011-08-19)
Increased expression of an Arabidopsis vacuolar pyrophosphatase gene, AVP1, leads to increased drought and salt tolerance in transgenic plants, which has been demonstrated in laboratory and field conditions. The molecular mechanism of AVP1-mediated drought resistance is likely due to increased
Richard J Pattison et al.
The Plant journal : for cell and molecular biology, 70(4), 585-598 (2012-01-04)
The temporal and spatial control of auxin distribution has a key role in the regulation of plant growth and development, and much has been learnt about the mechanisms that influence auxin pools and gradients in vegetative tissues, particularly in Arabidopsis.
Takeshi Nishimura et al.
Plant & cell physiology, 53(10), 1671-1682 (2012-08-10)
The monocot coleoptile tip region has been generally supposed to be the source of IAA to supply IAA to basal parts by the polar IAA transport system, which results in gravi- and phototropic curvature of coleoptiles. Based on this IAA
Heather L Sanders et al.
The New phytologist, 198(2), 419-428 (2013-02-21)
To provide a comparative framework to understand the evolution of auxin regulation in vascular plants, the effect of perturbed auxin homeostasis was examined in the lycophyte Selaginella kraussiana. Polar auxin transport was measured by tracing tritiated IAA in excised shoots.
Shu-Jen Wang et al.
Plant cell reports, 30(9), 1747-1758 (2011-05-17)
Rice (Oryza sativa L.) seminal roots are the primary roots to emerge from germinated seeds. Here, we demonstrate that the photomorphology of the seminal roots was diverse among rice varieties, and the light-induced wavy roots were found mostly in indica-type
Wenjing Zhang et al.
The Plant journal : for cell and molecular biology, 68(1), 1-10 (2011-06-08)
The phytohormones cytokinin and auxin regulate a diverse array of plant processes, often acting together to modulate growth and development. Although much has been learned with regard to how each of these hormones act individually, we are just beginning to
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