keyword
MENU ▼
Read by QxMD icon Read
search

ein2

keyword
https://www.readbyqxmd.com/read/27848154/jasmonic-acid-and-ethylene-signaling-pathways-regulate-glucosinolate-levels-in-plants-during-rhizobacteria-induced-systemic-resistance-against-a-leaf-chewing-herbivore
#1
Nurmi Pangesti, Michael Reichelt, Judith E van de Mortel, Eleni Kapsomenou, Jonathan Gershenzon, Joop J A van Loon, Marcel Dicke, Ana Pineda
Beneficial soil microbes can promote plant growth and induce systemic resistance (ISR) in aboveground tissues against pathogens and herbivorous insects. Despite the increasing interest in microbial-ISR against herbivores, the underlying molecular and chemical mechanisms of this phenomenon remain elusive. Using Arabidopsis thaliana and the rhizobacterium Pseudomonas simiae WCS417r (formerly known as P. fluorescens WCS417r), we here evaluate the role of the JA-regulated MYC2-branch and the JA/ET-regulated ORA59-branch in modulating rhizobacteria-ISR to Mamestra brassicae by combining gene transcriptional, phytochemical, and herbivore performance assays...
November 15, 2016: Journal of Chemical Ecology
https://www.readbyqxmd.com/read/27845361/transcriptome-analysis-of-arabidopsis-mutants-suggests-a-crosstalk-between-aba-ethylene-and-gsh-against-combined-cold-and-osmotic-stress
#2
Deepak Kumar, Saptarshi Hazra, Riddhi Datta, Sharmila Chattopadhyay
The involvement of ethylene and abscisic acid in providing stress tolerance and defence response to plants is widely recognized. However, little is known about the cross-talk between glutathione with ethylene and abscisic acid to combat stress in planta. Here, transcriptome analysis of combined cold and osmotic stress treated Arabidopsis mutants were carried out to elucidate the crosstalk between the abscisic acid, ethylene and glutathione. Microarray experiment revealed the differential regulation of about 2313 and 4131 transcripts in ein2 (ethylene insensitive mutant) and aba1...
November 15, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27694846/ein2-dependent-regulation-of-acetylation-of-histone-h3k14-and-non-canonical-histone-h3k23-in-ethylene-signalling
#3
Fan Zhang, Bin Qi, Likai Wang, Bo Zhao, Siddharth Rode, Nathaniel D Riggan, Joseph R Ecker, Hong Qiao
Ethylene gas is essential for many developmental processes and stress responses in plants. EIN2 plays a key role in ethylene signalling but its function remains enigmatic. Here, we show that ethylene specifically elevates acetylation of histone H3K14 and the non-canonical acetylation of H3K23 in etiolated seedlings. The up-regulation of these two histone marks positively correlates with ethylene-regulated transcription activation, and the elevation requires EIN2. Both EIN2 and EIN3 interact with a SANT domain protein named EIN2 nuclear associated protein 1 (ENAP1), overexpression of which results in elevation of histone acetylation and enhanced ethylene-inducible gene expression in an EIN2-dependent manner...
October 3, 2016: Nature Communications
https://www.readbyqxmd.com/read/27677986/ethylene-regulated-glutamate-dehydrogenase-fine-tunes-metabolism-during-anoxia-reoxygenation
#4
Kuen-Jin Tsai, Chih-Yu Lin, Chen-Yun Ting, Ming-Che Shih
Ethylene is an essential hormone in plants that is involved in low-oxygen and reoxygenation responses. As a key transcription factor in ethylene signaling, ETHYLENE INSENSITIVE3 (EIN3) activates targets that trigger various responses. However, most of these targets are still poorly characterized. Through analyses of our microarray data and the published Arabidopsis (Arabidopsis thaliana) EIN3 chromatin immunoprecipitation sequencing data set, we inferred the putative targets of EIN3 during anoxia-reoxygenation...
November 2016: Plant Physiology
https://www.readbyqxmd.com/read/27625669/analysis-of-network-topologies-underlying-ethylene-growth-response-kinetics
#5
Aaron M Prescott, Forest W McCollough, Bryan L Eldreth, Brad M Binder, Steven M Abel
Most models for ethylene signaling involve a linear pathway. However, measurements of seedling growth kinetics when ethylene is applied and removed have resulted in more complex network models that include coherent feedforward, negative feedback, and positive feedback motifs. The dynamical responses of the proposed networks have not been explored in a quantitative manner. Here, we explore (i) whether any of the proposed models are capable of producing growth-response behaviors consistent with experimental observations and (ii) what mechanistic roles various parts of the network topologies play in ethylene signaling...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27477591/peptides-interfering-with-protein-protein-interactions-in-the-ethylene-signaling-pathway-delay-tomato-fruit-ripening
#6
Melanie M A Bisson, Mareike Kessenbrock, Lena Müller, Alexander Hofmann, Florian Schmitz, Simona M Cristescu, Georg Groth
The plant hormone ethylene is involved in the regulation of several processes with high importance for agricultural applications, e.g. ripening, aging and senescence. Previous work in our group has identified a small peptide (NOP-1) derived from the nuclear localization signal of the Arabidopsis ethylene regulator ETHYLENE INSENSITIVE-2 (EIN2) C-terminal part as efficient inhibitor of ethylene responses. Here, we show that NOP-1 is also able to efficiently disrupt EIN2-ETR1 complex formation in tomato, indicating that the NOP-1 inhibition mode is conserved across plant species...
August 1, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27342310/different-pathways-act-downstream-of-the-cep-peptide-receptor-cra2-to-regulate-lateral-root-and-nodule-development
#7
Nadiatul A Mohd-Radzman, Carole Laffont, Ariel Ivanovici, Neha Patel, Dugald Reid, Jens Stougaard, Florian Frugier, Nijat Imin, Michael A Djordjevic
C-TERMINALLY ENCODED PEPTIDEs (CEPs) control root system architecture in a non-cell-autonomous manner. In Medicago truncatula, MtCEP1 affects root development by increasing nodule formation and inhibiting lateral root emergence by unknown pathways. Here, we show that the MtCEP1 peptide-dependent increase in nodulation requires the symbiotic signaling pathway and ETHYLENE INSENSITIVE2 (EIN2)/SICKLE (SKL), but acts independently of SUPER NUMERIC NODULES. MtCEP1-dependent inhibition of lateral root development acts through an EIN2-independent mechanism...
August 2016: Plant Physiology
https://www.readbyqxmd.com/read/27329222/the-tho-trex-complex-active-in-mirna-biogenesis-negatively-regulates-root-associated-acid-phosphatase-activity-induced-by-phosphate-starvation
#8
Sibo Tao, Ye Zhang, Xiaoyue Wang, Le Xu, Xiaofeng Fang, Zhi John Lu, Dong Liu
Induction and secretion of acid phosphatases (APases) is an adaptive response that plants use to cope with P (Pi) deficiency in their environment. The molecular mechanism that regulates this response, however, is poorly understood. In this work, we identified an Arabidopsis (Arabidopsis thaliana) mutant, hps8, which exhibits enhanced APase activity on its root surface (also called root-associated APase activity). Our molecular and genetic analyses indicate that this altered Pi response results from a mutation in the AtTHO1 gene that encodes a subunit of the THO/TREX protein complex...
August 2016: Plant Physiology
https://www.readbyqxmd.com/read/27242886/ethylene-antagonizes-salt-induced-growth-retardation-and-cell-death-process-via-transcriptional-controlling-of-ethylene-bag-and-senescence-associated-genes-in-arabidopsis
#9
Ya-Jie Pan, Ling Liu, Ying-Chao Lin, Yuan-Gang Zu, Lei-Peng Li, Zhong-Hua Tang
The existing question whether ethylene is involved in the modulation of salt-induced cell death to mediate plant salt tolerance is important for understanding the salt tolerance mechanisms. Here, we employed Arabidopsis plants to study the possible role of ethylene in salt-induced growth inhibition and programmed cell death (PCD) profiles. The root length, DNA ladder and cell death indicated by Evan's blue detection were measured by compared to the control or salt-stressed seedlings. Secondly, the protoplasts isolated from plant leaves and dyed with Annexin V-FITC were subjected to flow cytometric (FCM) assay...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27148317/a-complex-molecular-interplay-of-auxin-and-ethylene-signaling-pathways-is-involved-in-arabidopsis-growth-promotion-by-burkholderia-phytofirmans-psjn
#10
María J Poupin, Macarena Greve, Vicente Carmona, Ignacio Pinedo
Modulation of phytohormones homeostasis is one of the proposed mechanisms to explain plant growth promotion induced by beneficial rhizobacteria (PGPR). However, there is still limited knowledge about the molecular signals and pathways underlying these beneficial interactions. Even less is known concerning the interplay between phytohormones in plants inoculated with PGPR. Auxin and ethylene are crucial hormones in the control of plant growth and development, and recent studies report an important and complex crosstalk between them in the regulation of different plant developmental processes...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/26889005/interactions-between-ethylene-gibberellins-and-brassinosteroids-in-the-development-of-rhizobial-and-mycorrhizal-symbioses-of-pea
#11
Eloise Foo, Erin L McAdam, James L Weller, James B Reid
The regulation of arbuscular mycorrhizal development and nodulation involves complex interactions between the plant and its microbial symbionts. In this study, we use the recently identified ethylene-insensitive ein2 mutant in pea (Pisum sativum L.) to explore the role of ethylene in the development of these symbioses. We show that ethylene acts as a strong negative regulator of nodulation, confirming reports in other legumes. Minor changes in gibberellin1 and indole-3-acetic acid levels in ein2 roots appear insufficient to explain the differences in nodulation...
April 2016: Journal of Experimental Botany
https://www.readbyqxmd.com/read/26864878/serotonin-modulates-arabidopsis-root-growth-via-changes-in-reactive-oxygen-species-and-jasmonic-acid-ethylene-signaling
#12
Ramón Pelagio-Flores, León Francisco Ruiz-Herrera, José López-Bucio
Serotonin (5-hydroxytryptamine) is a bioactive indoleamine with neurotransmitter function in vertebrates, which represents an emerging signaling molecule in plants, playing key roles in the development and defense. In this study, the role of reactive oxygen species (ROS) and jasmonic acid (JA)-ethylene (Et) signaling in root developmental alterations induced by serotonin was investigated. An Arabidopsis thaliana mutant defective at the RADICAL-INDUCED CELL DEATH1 (RCD1) locus was resistant to paraquat-induced ROS accumulation in primary roots and showed decreased inhibition or root growth in response to serotonin...
September 2016: Physiologia Plantarum
https://www.readbyqxmd.com/read/26725046/the-role-of-strigolactones-during-plant-interactions-with-the-pathogenic-fungus-fusarium-oxysporum
#13
Eloise Foo, Sara N Blake, Brendan J Fisher, Jason A Smith, James B Reid
Strigolactones (SLs) do not influence spore germination or hyphal growth of Fusarium oxysporum. Mutant studies revealed no role for SLs but a role for ethylene signalling in defence against this pathogen in pea. Strigolactones (SLs) play important roles both inside the plant as a hormone and outside the plant as a rhizosphere signal in interactions with mycorrhizal fungi and parasitic weeds. What is less well understood is any potential role SLs may play in interactions with disease causing microbes such as pathogenic fungi...
June 2016: Planta
https://www.readbyqxmd.com/read/26679045/relaying-the-ethylene-signal-new-roles-for-ein2
#14
COMMENT
Yuyu Zheng, Ziqiang Zhu
ETHYLENE INSENSITIVE 2 (EIN2), an endoplasmic reticulum (ER) localized protein, plays a central role in relaying the ethylene signal from ER perception to the nucleus. Two recent reports reveal the novel role for EIN2 in translational control, providing another layer of regulation for ethylene signal transduction.
January 2016: Trends in Plant Science
https://www.readbyqxmd.com/read/26616055/bacillus-cereus-ar156-activates-pamp-triggered-immunity-and-induces-a-systemic-acquired-resistance-through-a-npr1-and-sa-dependent-signaling-pathway
#15
Dongdong Niu, Xiujuan Wang, Yanru Wang, Xiaoou Song, Jiansheng Wang, Jianhua Guo, Hongwei Zhao
Induced resistance responses play a potent role in plant defense system against pathogen attack. Bacillus cereus AR156 is a plant growth promoting rhizobacterium (PGPR) that installs induced systemic resistance (ISR) to Pseudomonas syringae pv. tomato (Pst) in Arabidopsis. Here, we show that AR156 leaf infiltration enhances disease resistance in Arabidopsis through the activation of a systemic acquired resistance (SAR). PR1 protein expression and reactive oxygen species (ROS) burst are strongly induced in plants treated with AR156 and inoculated with Pst than that in plants inoculated with Pst only...
January 1, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/26579090/the-importance-of-chorismate-mutase-in-the-biocontrol-potential-of-trichoderma-parareesei
#16
Esclaudys Pérez, M Belén Rubio, Rosa E Cardoza, Santiago Gutiérrez, Wagner Bettiol, Enrique Monte, Rosa Hermosa
Species of Trichoderma exert direct biocontrol activity against soil-borne plant pathogens due to their ability to compete for nutrients and to inhibit or kill their targets through the production of antibiotics and/or hydrolytic enzymes. In addition to these abilities, Trichoderma spp. have beneficial effects for plants, including the stimulation of defenses and the promotion of growth. Here we study the role in biocontrol of the T. parareesei Tparo7 gene, encoding a chorismate mutase (CM), a shikimate pathway branch point leading to the production of aromatic amino acids, which are not only essential components of protein synthesis but also the precursors of a wide range of secondary metabolites...
2015: Frontiers in Microbiology
https://www.readbyqxmd.com/read/26568541/the-volatile-6-pentyl-2h-pyran-2-one-from-trichoderma-atroviride-regulates-arabidopsis-thaliana-root-morphogenesis-via-auxin-signaling-and-ethylene-insensitive-2-functioning
#17
Amira Garnica-Vergara, Salvador Barrera-Ortiz, Edith Muñoz-Parra, Javier Raya-González, Alejandro Méndez-Bravo, Lourdes Macías-Rodríguez, León Francisco Ruiz-Herrera, José López-Bucio
Plants interact with root microbes via chemical signaling, which modulates competence or symbiosis. Although several volatile organic compounds (VOCs) from fungi may affect plant growth and development, the signal transduction pathways mediating VOC sensing are not fully understood. 6-pentyl-2H-pyran-2-one (6-PP) is a major VOC biosynthesized by Trichoderma spp. which is probably involved in plant-fungus cross-kingdom signaling. Using microscopy and confocal imaging, the effects of 6-PP on root morphogenesis were found to be correlated with DR5:GFP, DR5:VENUS, H2B::GFP, PIN1::PIN1::GFP, PIN2::PIN2::GFP, PIN3::PIN3::GFP and PIN7::PIN7::GFP gene expression...
March 2016: New Phytologist
https://www.readbyqxmd.com/read/26507893/mitogen-activated-protein-kinase-6-mediates-nuclear-translocation-of-ore3-to-promote-ore9-gene-expression-in-methyl-jasmonate-induced-leaf-senescence
#18
Yushan Zhang, Jian Liu, Jinyu Chai, Da Xing
Methyl jasmonate (MeJA) is a potent promoter of plant senescence. ORESARA3 (ORE3)/ETHYLENE INSENSITIVE2 (EIN2), a protein similar to the members of the disease-related Nramp metal transporter family, is involved in cross-talk among several senescence processes related to abscisic acid, ethylene, MeJA, age and darkness. Nevertheless, the mechanism involved in the regulation of ORE3/EIN2 in exogenous MeJA-induced leaf senescence remains unclear. The C-terminal end of ORE3/EIN2 (CEND) was cleaved from ORE3/EIN2 located in the endoplasmic reticulum and then transferred to the nucleus during MeJA-induced senescence...
January 2016: Journal of Experimental Botany
https://www.readbyqxmd.com/read/26463088/glutathione-regulates-1-aminocyclopropane-1-carboxylate-synthase-transcription-via-wrky33-and-1-aminocyclopropane-1-carboxylate-oxidase-by-modulating-messenger-rna-stability-to-induce-ethylene-synthesis-during-stress
#19
Riddhi Datta, Deepak Kumar, Asma Sultana, Saptarshi Hazra, Dipto Bhattacharyya, Sharmila Chattopadhyay
Glutathione (GSH) plays a fundamental role in plant defense-signaling network. Recently, we have established the involvement of GSH with ethylene (ET) to combat environmental stress. However, the mechanism of GSH-ET interplay still remains unexplored. Here, we demonstrate that GSH induces ET biosynthesis by modulating the transcriptional and posttranscriptional regulations of its key enzymes, 1-aminocyclopropane-1-carboxylate synthase (ACS) and 1-aminocyclopropane-1-carboxylate oxidase (ACO). Transgenic Arabidopsis (Arabidopsis thaliana) plants with enhanced GSH content (AtECS) exhibited remarkable up-regulation of ACS2, ACS6, and ACO1 at transcript as well as protein levels, while they were down-regulated in the GSH-depleted phytoalexin deficient2-1 (pad2-1) mutant...
December 2015: Plant Physiology
https://www.readbyqxmd.com/read/26377026/the-role-of-strigolactones-and-ethylene-in-disease-caused-by-pythium-irregulare
#20
Sara N Blake, Karen M Barry, Warwick M Gill, James B Reid, Eloise Foo
Plant hormones play key roles in defence against pathogen attack. Recent work has begun to extend this role to encompass not just the traditional disease/stress hormones, such as ethylene, but also growth-promoting hormones. Strigolactones (SLs) are the most recently defined group of plant hormones with important roles in plant-microbe interactions, as well as aspects of plant growth and development, although the knowledge of their role in plant-pathogen interactions is extremely limited. The oomycete Pythium irregulare is a poorly controlled pathogen of many crops...
June 2016: Molecular Plant Pathology
keyword
keyword
33105
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"