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hormone root nodule

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https://www.readbyqxmd.com/read/30080634/down-regulation-of-pvtrx1h-increases-nodule-number-and-affects-auxin-starch-and-metabolic-fingerprints-in-the-common-bean-phaseolus-vulgaris-l
#1
Aarón Barraza, Evelia Lorena Coss-Navarrete, Juan Carlos Vizuet-de-Rueda, Keren Martínez-Aguilar, José Luis Hernández-Chávez, José Juan Ordaz-Ortiz, Robert Winkler, Axel Tiessen, Raúl Alvarez-Venegas
The legume-rhizobium symbiotic relationship has been widely studied and characterized. However, little information is available about the role of histone lysine methyltransferases in the legume-rhizobium interaction and in the formation of nitrogen-fixing nodules in the common bean. Thus, this study aimed to gain a better understanding of the epigenetic control of nodulation in the common bean. Specifically, we studied the role of PvTRX1h, a histone lysine methyltransferase coding gene, in nodule development and auxin biosynthesis...
September 2018: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/29779088/proteomic-analysis-dissects-the-impact-of-nodulation-and-biological-nitrogen-fixation-on-vicia-faba-root-nodule-physiology
#2
Beate Thal, Hans-Peter Braun, Holger Eubel
Symbiotic nitrogen fixation in root nodules of legumes is a highly important biological process which is only poorly understood. Root nodule metabolism differs from that of roots. Differences in root and nodule metabolism are expressed by altered protein abundances and amenable to quantitative proteome analyses. Differences in the proteomes may either be tissue specific and related to the presence of temporary endosymbionts (the bacteroids) or related to nitrogen fixation activity. An experimental setup including WT bacterial strains and strains not able to conduct symbiotic nitrogen fixation as well as root controls enables identification of tissue and nitrogen fixation specific proteins...
June 2018: Plant Molecular Biology
https://www.readbyqxmd.com/read/29720993/the-soybean-gmnark-affects-aba-and-salt-responses-in-transgenic-arabidopsis-thaliana
#3
Chunhong Cheng, Changman Li, Diandong Wang, Lifeng Zhai, Zhaoming Cai
GmNARK ( Glycine max nodule autoregulation receptor kinase) is the homolog of Arabidopsis thaliana CLAVATA1 ( CLV1 ) and one of the most important regulators in the process of AON (Autoregulation of Nodulation), a process that restricts excessive nodule numbers in soybean. However, except for the function in AON, little is known about this gene. Here, we report that GmNARK plays important roles in process of plant response to abiotic stresses. Bioinformatic analysis and subcellular localization experiment results showed that GmNARK was a putative receptor like kinase and located at membrane...
2018: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29676826/epidermal-auxin-biosynthesis-facilitates-rhizobial-infection-in-lotus-japonicus
#4
Marcin Nadzieja, Simon Kelly, Jens Stougaard, Dugald Reid
Symbiotic nitrogen fixation in legumes requires nodule organogenesis to be coordinated with infection by rhizobia. The plant hormone auxin influences symbiotic infection, but the precise timing of auxin accumulation and the genetic network governing it remain unclear. We used a Lotus japonicus optimised variant of the DII-based auxin accumulation sensor and identified a rapid accumulation of auxin in the epidermis, specifically in the root hair cells. This auxin accumulation occurs in the infected root hairs during rhizobia invasion, while Nod factor application induces this response across a broader range of root hairs...
July 2018: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/29579226/cep-peptide-hormones-key-players-in-orchestrating-nitrogen-demand-signalling-root-nodulation-and-lateral-root-development
#5
Michael Taleski, Nijat Imin, Michael A Djordjevic
Secreted peptide hormones play pivotal roles in plant growth and development. So far, CEPs (C-TERMINALLY ENCODED PEPTIDEs) have been shown to act through CEP receptors (CEPRs) to control nitrogen (N)-demand signalling, nodulation, and lateral root development. Secreted CEP peptides can enter the xylem stream to act as long-distance signals, but evidence also exists for CEPs acting in local circuits. Recently, CEP peptide species varying in sequence, length, and post-translational modifications have been identified...
April 9, 2018: Journal of Experimental Botany
https://www.readbyqxmd.com/read/29578639/hormone-modulation-of-legume-rhizobial-symbiosis
#6
REVIEW
Huan Liu, Chi Zhang, Jun Yang, Nan Yu, Ertao Wang
Leguminous plants can establish symbiotic associations with diazotropic rhizobia to form nitrogen-fixating nodules, which are classified as determinate or indeterminate based on the persistence of nodule meristem. The formation of nitrogen-fixing nodules requires coordinating rhizobial infection and root nodule organogenesis. The formation of an infection thread and the extent of nodule formation are largely under plant control, but vary with environmental conditions and the physiological state of the host plants...
March 26, 2018: Journal of Integrative Plant Biology
https://www.readbyqxmd.com/read/29469230/quantitative-3d-imaging-of-cell-level-auxin-and-cytokinin-response-ratios-in-soybean-roots-and-nodules
#7
Jon Fisher, Paul Gaillard, Carl R Fellbaum, Senthil Subramanian, Steve Smith
Legume-Rhizobium symbiosis results in root nodules where rhizobia fix atmospheric nitrogen into plant usable forms in exchange for plant-derived carbohydrates. The development of these specialized root organs involves a set of carefully orchestrated plant hormone signalling. In particular, a spatio-temporal balance between auxin and cytokinin appears to be crucial for proper nodule development. We put together a construct that carried nuclear localized fluorescence sensors for auxin and cytokinin and used two photon induced fluorescence microscopy for concurrent quantitative 3-dimensional imaging to determine cellular level auxin and cytokinin outputs and ratios in root and nodule tissues of soybean...
February 22, 2018: Plant, Cell & Environment
https://www.readbyqxmd.com/read/29432555/gibberellins-promote-nodule-organogenesis-but-inhibit-the-infection-stages-of-nodulation
#8
Erin L McAdam, James B Reid, Eloise Foo
Leguminous plant roots can form a symbiosis with soil-dwelling nitrogen-fixing rhizobia, leading to the formation of a new root organ, the nodule. Successful nodulation requires co-ordination of spatially separated events in the root, including infection in the root epidermis and nodule organogenesis deep in the root cortex. We show that the hormone gibberellin plays distinct roles in these epidermal and cortical programmes. We employed a unique set of genetic material in pea that includes severely gibberellin-deficient lines and della-deficient lines that enabled us to characterize all stages of infection and nodule development...
April 9, 2018: Journal of Experimental Botany
https://www.readbyqxmd.com/read/29268717/functional-characterization-of-soybean-strigolactone-biosynthesis-and-signaling-genes-in-arabidopsis-max-mutants-and-gmmax3-in-soybean-nodulation
#9
Basir Ui Haq, Muhammad Zulfiqar Ahmad, Naveed Ur Rehman, Junjie Wang, Penghui Li, Dongqin Li, Jian Zhao
BACKGROUND: Strigolactones (SLs) play important roles in controlling root growth, shoot branching, and plant-symbionts interaction. Despite the importance, the components of SL biosynthesis and signaling have not been unequivocally explored in soybean. RESULTS: Here we identified the putative components of SL synthetic enzymes and signaling proteins in soybean genome. Soybean genome contains conserved MORE AXILLARY BRANCHING (MAX) orthologs, GmMAX1s, GmMAX2s, GmMAX3s, and GmMAX4s...
December 21, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/29191709/strigolactones-promote-rhizobia-interaction-and-increase-nodulation-in-soybean-glycine-max
#10
Naveed Ur Rehman, Mohammed Ali, Muhammad Zulfiqar Ahmad, Guo Liang, Jian Zhao
Strigolactones (SLs) play an important role in controlling root growth, shoot branching, and plant-symbionts interaction. Despite the importance, the components of SL biosynthesis and signaling have not been unequivocally explored in soybean. Here we identified the putative components of SL synthesis enzymes GmMAX1a and GmMAX4a with tissue expression patterns and were apparently regulated by rhizobia infection and changed during nodule development. GmMAX1a and GmMAX4a were further characterized in soybean nodulation with knockdown transgenic hairy roots...
January 2018: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29046420/della1-mediated-gibberellin-signaling-regulates-cytokinin-dependent-symbiotic-nodulation
#11
Camille Fonouni-Farde, Anna Kisiala, Mathias Brault, R J Neil Emery, Anouck Diet, Florian Frugier
In legume plants, low-nitrogen soils promote symbiotic interactions with rhizobial bacteria, leading to the formation of nitrogen-fixing root nodules. Among critical signals regulating this developmental process are bacterial Nod Factors (NFs) and several plant hormones, including cytokinins (CKs) and gibberellins (GAs). Here, we show in Medicago truncatula that GA signaling mediated by DELLA1 decreases the amount of bioactive CKs in roots and negatively impacts the Cytokinin Response1 (CRE1)-dependent NF activation of a subset of CK-signaling genes as well as of the CK-regulated Nodulation Signaling Pathway2 and Ethylene Response Factor Required for Nodulation1 early nodulation genes...
December 2017: Plant Physiology
https://www.readbyqxmd.com/read/28839170/cle-peptide-encoding-gene-families-in-medicago-truncatula-and-lotus-japonicus-compared-with-those-of-soybean-common-bean-and-arabidopsis
#12
April H Hastwell, Thomas C de Bang, Peter M Gresshoff, Brett J Ferguson
CLE peptide hormones are critical regulators of many cell proliferation and differentiation mechanisms in plants. These 12-13 amino acid glycosylated peptides play vital roles in a diverse range of plant tissues, including the shoot, root and vasculature. CLE peptides are also involved in controlling legume nodulation. Here, the entire family of CLE peptide-encoding genes was identified in Medicago truncatula (52) and Lotus japonicus (53), including pseudogenes and non-functional sequences that were identified...
August 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28427342/intermittent-parathyroid-hormone-pth-promotes-cementogenesis-and-alleviates-the-catabolic-effects-of-mechanical-strain-in-cementoblasts
#13
Yuyu Li, Zhiai Hu, Chenchen Zhou, Yang Xu, Li Huang, Xin Wang, Shujuan Zou
BACKGROUND: External root resorption, commonly starting from cementum, is a severe side effect of orthodontic treatment. In this pathological process and repairing course followed, cementoblasts play a significant role. Previous studies implicated that parathyroid hormone (PTH) could act on committed osteoblast precursors to promote differentiation, and inhibit apoptosis. But little was known about the role of PTH in cementoblasts. The purpose of this study was to investigate the effects of intermittent PTH on cementoblasts and its influence after mechanical strain treatment...
April 20, 2017: BMC Cell Biology
https://www.readbyqxmd.com/read/28314132/rhizobial-symbiosis-alleviates-polychlorinated-biphenyls-induced-systematic-oxidative-stress-via-brassinosteroids-signaling-in-alfalfa
#14
Xiaomi Wang, Ying Teng, Ning Zhang, Peter Christie, Zhengao Li, Yongming Luo, Jun Wang
The role of symbiotic rhizobia in the alleviation of polychlorinated biphenyl (PCB)-induced phytotoxicity in alfalfa and the brassinosteroid (BR) hormone signaling involved were investigated during phytoremediation. The association between alfalfa and Sinorhizobium meliloti was adopted as a remediation model. Phytotoxicity due to PCB 77 (3,3',4,4'-tetrachlorobiphenyl) exerted adverse impacts on plant performance (biomass accumulation and photosynthesis) and elicited cellular oxidative stress (overproduction of reactive oxygen species, lipid peroxidation, and cell necrosis) which was largely attenuated by pre-inoculation with S...
August 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28152300/map-kinase-mediated-negative-regulation-of-symbiotic-nodule-formation-in-medicago-truncatula
#15
Hojin Ryu, Carole Laffont, Florian Frugier, Ildoo Hwang
Mitogen-activated protein kinase (MAPK) signaling cascades play critical roles in various cellular events in plants, including stress responses, innate immunity, hormone signaling, and cell specificity. MAPK-mediated stress signaling is also known to negatively regulate nitrogen-fixing symbiotic interactions, but the molecular mechanism of the MAPK signaling cascades underlying the symbiotic nodule development remains largely unknown. We show that the MtMKK5-MtMPK3/6 signaling module negatively regulates the early symbiotic nodule formation, probably upstream of ERN1 (ERF Required for Nodulation 1) and NSP1 (Nod factor Signaling Pathway 1) in Medicago truncatula...
January 2017: Molecules and Cells
https://www.readbyqxmd.com/read/27935060/mtmapkk4-is-an-essential-gene-for-growth-and-reproduction-of-medicago-truncatula
#16
Tao Chen, Bo Zhou, Liujian Duan, Hui Zhu, Zhongming Zhang
Mitogen-activated protein kinase (MAPK) cascades are universal signaling modules in eukaryotes, including yeasts, animals and plants. They are involved in responses to various biotic and abiotic stresses, hormones, cell division and developmental processes. A MAPK cascade is composed of three functionally tiered protein kinases, namely MAPK, MAPK kinases (MAPKKs) and MAPK kinase kinases (MAPKKKs). These kinases have been intensively studied for their roles in developmental and physiological processes in various organisms...
April 2017: Physiologia Plantarum
https://www.readbyqxmd.com/read/27891144/a-developmental-and-molecular-view-of-formation-of-auxin-induced-nodule-like-structures-in-land-plants
#17
Ryan Hiltenbrand, Jacklyn Thomas, Hannah McCarthy, Karl J Dykema, Ashley Spurr, Hamilton Newhart, Mary E Winn, Arijit Mukherjee
Several studies have shown that plant hormones play important roles during legume-rhizobia symbiosis. For instance, auxins induce the formation of nodule-like structures (NLSs) on legume roots in the absence of rhizobia. Furthermore, these NLS can be colonized by nitrogen-fixing bacteria, which favor nitrogen fixation compared to regular roots and subsequently increase plant yield. Interestingly, auxin also induces similar NLS in cereal roots. While several genetic studies have identified plant genes controlling NLS formation in legumes, no studies have investigated the genes involved in NLS formation in cereals...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27826313/search-for-nodulation-and-nodule-development-related-cystatin-genes-in-the-genome-of-soybean-glycine-max
#18
Songli Yuan, Rong Li, Lei Wang, Haifeng Chen, Chanjuan Zhang, Limiao Chen, Qingnan Hao, Zhihui Shan, Xiaojuan Zhang, Shuilian Chen, Zhonglu Yang, Dezhen Qiu, Xinan Zhou
Nodulation, nodule development and senescence directly affects nitrogen fixation efficiency, and previous studies have shown that inhibition of some cysteine proteases delay nodule senescence, so their nature inhibitors, cystatin genes, are very important in nodulation, nodule development, and senescence. Although several cystatins are actively transcribed in soybean nodules, their exact roles and functional diversities in legume have not been well explored in genome-wide survey studies. In this report, we performed a genome-wide survey of cystatin family genes to explore their relationship to nodulation and nodule development in soybean and identified 20 cystatin genes that encode peptides with 97-245 amino acid residues, different isoelectric points (pI) and structure characteristics, and various putative plant regulatory elements in 3000 bp putative promoter fragments upstream of the 20 soybean cystatins in response to different abiotic/biotic stresses, hormone signals, and symbiosis signals...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27448795/24-epibrassinolide-ameliorates-salt-stress-effects-in-the-symbiosis-medicago-truncatula-sinorhizobium-meliloti-and-regulates-the-nodulation-in-cross-talk-with-polyamines
#19
Miguel López-Gómez, Javier Hidalgo-Castellanos, Carmen Lluch, José A Herrera-Cervera
Brassinosteroids (BRs) are steroid plant hormones that have been shown to be involved in the response to salt stress in cross-talk with other plant growth regulators such as polyamines (PAs). In addition, BRs are involved in the regulation of the nodulation in the rhizobium-legume symbiosis through the alteration of the PAs content in leaves. In this work, we have studied the effect of exogenous 24-epibrassinolide (EBL) in the response to salinity of nitrogen fixation in the symbiosis Medicago truncatula-Sinorhizobium meliloti...
November 2016: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/27135340/hormonal-control-of-lateral-root-and-nodule-development-in-legumes
#20
REVIEW
Sandra Bensmihen
Many plants can establish symbioses with nitrogen-fixing bacteria, some of which lead to nodulation, including legumes. Indeed, in the rhizobium/legume symbiosis, new root organs, called nodules, are formed by the plant in order to host the rhizobia in protective conditions, optimized for nitrogen fixation. In this way, these plants can benefit from the reduction of atmospheric dinitrogen into ammonia by the hosted bacteria, and in exchange the plant provides the rhizobia with a carbon source. Since this symbiosis is costly for the plant it is highly regulated...
August 7, 2015: Plants (Basel, Switzerland)
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